Senior Backend Engineer - Go and/or Python

🏢 Summary: Senior backend engineering role focused on building and operating scalable event-driven microservices for AI-powered marketing and personalization systems in a global food-tech environment. The position involves full DevOps ownership, distributed systems, cloud-native infrastructure, and collaboration within cross-functional agile teams. Candidates will work with modern backend technologies, messaging systems, Kubernetes, and AI-assisted engineering workflows. 🗂️ Requirements: Senior-level experience with Go or Python, Experience building and operating backend services in production, Knowledge of distributed systems, Experience with messaging queues, Experience with Docker and Kubernetes, Experience with REST and gRPC APIs, Knowledge of CI/CD pipelines, Understanding of TDD, BDD, or DDD methodologies, Ability to work in agile cross-functional teams, Strong communication skills in an international environment 📃 Skills: Go, Python, Kafka, RabbitMQ, SQS, SNS, REST, gRPC, Docker, Kubernetes, CI/CD, TDD, BDD, DDD, Claude, Cursor 🏢 Description: At HelloFresh, the goal is to change the way people eat forever by delivering high-quality food across 18 countries and 3 continents. As a global food solutions group and the world's leading meal kit provider, the portfolio includes HelloFresh, Green Chef, EveryPlate, Chefs Plate, Factor_, and Youfoodz. Engaging with HelloFresh in Warsaw means collaborating with HelloTech—a global technology division of over 1,000 people powering an end-to-end food ecosystem. From digital personalization and forecasting to supply chain optimization and food waste reduction, technology drives every step of this direct-to-consumer model. About the Role: What's in the Box HelloTech operates in autonomous, cross-functional alliances, each holding accountability for a specific product domain end to end. The service provider will join an assigned squad, with the flexibility to transition between teams and projects as technical objectives and business priorities evolve. Several technical domains are actively engaging providers. Projects will be aligned based on individual strengths and expertise during the process. Key technical domains include: Marketing Customer Profile squad: Builds AI-powered backend systems that automate campaign execution end-to-end, from content generation and validation to multi-channel delivery across email, SMS, and push. Conversions Tribe: supporting the "Reachable Audience" and Personalization initiatives. The mission is to build the systems that power customized user journeys at scale. Across all domains, the technical profile consists of highly available, event-driven distributed systems serving global architectures. This role does not include people management responsibilities. What You’ll Do: The Recipe Maintain accountability for the architecture, design, development, deployment, and operation of microservices under a full DevOps model. Build event-driven systems utilizing messaging technologies such as Kafka, RabbitMQ, or AWS SQS/SNS, and expose data via clean REST and gRPC interfaces. Work extensively with Docker, container orchestration via Kubernetes, and CI/CD automated deployment pipelines. Maintain a strong commitment to testing , executing robust test suites stretching from unit tests through to full end-to-end coverage. Collaborate closely within cross-functional agile teams including product leads, frontend engineers, designers, and data teams. Provide technical guidance and support to surrounding team members, actively participating in code and architecture reviews. Leverage modern AI tools and workflows (e.g., Claude, Cursor) as a standardized component of engineering delivery to increase productivity. What You’ll Bring: The Ingredients Senior-level expertise in at least one core language: Go or Python. High proficiency in one stack is required, with a willingness to expand technical knowledge into Go. Solid experience building, deploying, and operating critical backend services in a production environment. Technical comfort navigating distributed systems, messaging queues, containerization, and modern deployment infrastructure. Strong software engineering instincts , including practical application of design methodologies like TDD, BDD, or DDD, and the ability to make sensible technical trade-offs. Excellent communication capabilities to operate effectively inside an international, multi-disciplinary technical environment. What We Offer: The Toppings Global collaboration at scale: Collaborate with experienced engineers and product partners across HelloTech’s international teams, in a culture of active knowledge sharing. Technology with real-world impact: Build and operate modern systems at global scale, supporting millions of customers and complex supply chain operations. Technical/Product/Design leadership: Drive best practices and influence architecture/design, quality, and ways of working in an autonomous, product-led setup. End-to-end development/delivery: Drive decisions from problem definition to production, improving systems and enabling long-term scalability. Access to workspace at Warsaw Centre Point: The hub offers modern facilities including showers, breakout zones, outdoor space, cycle parking, and refreshments (coffee, soft drinks, and fruit). #ENGINEERING

🏢 Summary: Senior Backend Engineer role within a global food-tech ecosystem, focused on building and operating highly available, event-driven distributed systems at scale. The position involves end-to-end ownership of microservices in a full DevOps model, supporting domains such as deliveries, subscriptions, personalization, and supply chain. Engineers work in cross-functional squads delivering scalable backend services used by millions of customers worldwide. 🗂️ Requirements: Senior-level expertise in Go or JVM language (Java/Kotlin), High proficiency in at least one core backend stack, Experience building, deploying, and operating backend services in production, Experience with distributed systems and messaging queues, Experience with containerization and modern deployment infrastructure, Knowledge of TDD, BDD, or DDD methodologies, Ability to work in cross-functional agile teams, Strong communication skills in international technical environment 📃 Skills: Go, Java, Kotlin, Kafka, RabbitMQ, SQS, SNS, REST, gRPC, Docker, Kubernetes, CI/CD, TDD, BDD, DDD, Microservices 🏢 Description: At HelloFresh, the goal is to change the way people eat forever by delivering high-quality food across 18 countries and 3 continents. As a global food solutions group and the world's leading meal kit provider, the portfolio includes HelloFresh, Green Chef, EveryPlate, Chefs Plate, Factor_, and Youfoodz. Engaging with HelloFresh in Warsaw means collaborating with HelloTech—a global technology division of over 1,000 people powering an end-to-end food ecosystem. From digital personalization and forecasting to supply chain optimization and food waste reduction, technology drives every step of this direct-to-consumer model. About the Role: What's in the Box HelloTech operates in autonomous, cross-functional alliances, each holding accountability for a specific product domain end to end. The service provider will join an assigned squad, with the flexibility to transition between teams and projects as technical objectives and business priorities evolve. Several technical domains are actively engaging providers. Projects will be aligned based on individual strengths and expertise during the process. Key technical domains include: Deliveries & Orders / Plans: Core backend systems turning a subscription into correct physical deliveries for millions of customers. Active Journey: Maintaining customer lifecycle stability features covering habits, subscription management, ordering, and graceful error recovery at scale. Menu Personalization & Forecasting: Utilizing data and applied science workflows to tailor user interfaces and predict regional consumer demand. Operations & Supply Chain (SCM): Procurement, inventory, labeling, and production systems solving physical-world challenges with software. Across all domains, the technical profile consists of highly available, event-driven distributed systems serving global architectures. This role does not include people management responsibilities. What You’ll Do: The Recipe Maintain accountability for the architecture, design, development, deployment, and operation of microservices under a full DevOps model. Build event-driven systems utilizing messaging technologies such as Kafka, RabbitMQ, or AWS SQS/SNS, and expose data via clean REST and gRPC interfaces. Work extensively with Docker, container orchestration via Kubernetes, and CI/CD automated deployment pipelines. Maintain a strong commitment to testing , executing robust test suites stretching from unit tests through to full end-to-end coverage. Collaborate closely within cross-functional agile teams including product leads, frontend engineers, designers, and data teams. Provide technical guidance and support to surrounding team members, actively participating in code and architecture reviews. Leverage modern AI tools and workflows (e.g., Claude, Cursor) as a standardized component of engineering delivery to increase productivity. What You’ll Bring: The Ingredients Senior-level expertise in at least one core language: Go or a JVM language (Java/Kotlin). High proficiency in one stack is required, with a willingness to expand technical knowledge into Go. Solid experience building, deploying, and operating critical backend services in a production environment. Technical comfort navigating distributed systems, messaging queues, containerization, and modern deployment infrastructure. Strong software engineering instincts , including practical application of design methodologies like TDD, BDD, or DDD, and the ability to make sensible technical trade-offs. Excellent communication capabilities to operate effectively inside an international, multi-disciplinary technical environment. What We Offer: The Toppings Global collaboration at scale: Collaborate with experienced engineers and product partners across HelloTech’s international teams, in a culture of active knowledge sharing. Technology with real-world impact: Build and operate modern systems at global scale, supporting millions of customers and complex supply chain operations. Technical/Product/Design leadership: Drive best practices and influence architecture/design, quality, and ways of working in an autonomous, product-led setup. End-to-end development/delivery: Drive decisions from problem definition to production, improving systems and enabling long-term scalability. Access to workspace at Warsaw Centre Point: The hub offers modern facilities including showers, breakout zones, outdoor space, cycle parking, and refreshments (coffee, soft drinks, and fruit). #ENGINEERING

🏢 Summary: Technical leadership role focused on designing scalable backend systems and driving architecture decisions for global supply chain operations within HelloFresh’s Food Systems Alliance. The position involves leading cross-team engineering initiatives, optimizing event-driven systems, and mentoring engineers while working with modern cloud and distributed technologies. 🗂️ Requirements: Backend engineering expertise in JVM ecosystems, Experience with Kotlin or Java, Knowledge of distributed systems, Experience with microservices architecture, Experience designing scalable event-driven systems, Knowledge of Kafka, RabbitMQ, or SQS, Understanding of AWS, Experience with Kubernetes, Knowledge of observability practices, Ability to translate business requirements into technical roadmaps, Technical leadership and mentoring skills 📃 Skills: Kotlin, Java, JVM, Kafka, RabbitMQ, SQS, AWS, Kubernetes, Microservices 🏢 Description: Work with HelloFresh in Warsaw and its HelloTech organisation, HelloFresh’s global technology backbone with more than 1000 people, building the digital products that power our end-to-end food experience. From meal kits and ready-to-eat meals to specialty offerings like pet food and premium meat & seafood, HelloTech creates the platforms that bring tailored food solutions to millions of customers every month. Our subscription-based, direct-to-consumer model relies on technology at every step, from customer-facing apps and personalization logic to pricing, forecasting, supply chain optimization, and initiatives that help reduce food waste. While our brands operate independently to serve distinct customer needs, they are united by shared platforms, data, and operational excellence built by HelloTech. HelloTech works in autonomous, cross-functional alliances, each owning a specific product or domain end to end. By working with our Warsaw office, you will help shape scalable, data-driven products used across our markets, working with a modern tech stack and international teams to continuously improve how people discover, order, and enjoy HelloFresh’s products, today and in the future. About the role: What's in the Box You will contribute to the success of the Food Systems Alliance by providing technical leadership across multiple engineering teams and business domains. At a pivotal stage in our transition from bespoke operational tooling to globally scalable software products, you will help shape architecture, drive technical decision-making, and translate complex supply chain processes into robust, maintainable systems. Working closely with engineers and operational stakeholders, you will influence technical direction, promote engineering best practices, and support the delivery of scalable solutions that power HelloFresh's global supply chain operations. What you’ll do: The Recipe Lead cross-squad technical initiatives to design and build modular, globally scalable backend solutions for complex supply chain operations. Act as the technical bridge between engineering squads and operational stakeholders (Procurement, Production, Data) to architect reliable, long-term systems. Define and drive engineering best practices around system design, code quality, and maintainability across the entire Food Systems Alliance. Optimize complex data workflows and event-driven architectures to seamlessly support day-to-day production and scaling needs. Provide technical leadership through architecture reviews, design discussions, and knowledge sharing across engineering teams Shape the technical roadmap by proactively identifying architectural bottlenecks and proposing strategic improvements. What you’ll bring: The Ingredients Extensive backend engineering expertise, ideally within JVM-based ecosystems (Kotlin or Java), coupled with a strong grasp of distributed systems and microservices architecture. A proven track record of designing and operating highly scalable, event-driven systems using messaging technologies such as Kafka, RabbitMQ, or SQS. Strong ability to work fluidly across team boundaries, translating complex business or operational requirements into actionable technical roadmaps. Solid understanding of modern cloud infrastructure (AWS, Kubernetes) and observability practices, with the capacity to establish and advocate for tribe-wide standards. A collaborative, low-ego approach to problem-solving, possessing strong technical judgment and a passion for mentoring fellow engineers. Above all, we are looking for individuals who will make HelloFresh better. We believe there are many different ways of developing skills and we love diverse experiences! So even if you don’t “tick all the boxes” but think you’d thrive in this role, we would really like to learn more about you. What we offer: The Toppings Global collaboration at scale: Collaborate with experienced engineers and product partners across HelloTech’s international teams, in a culture of active knowledge sharing. Technology with real-world impact: Build and operate modern systems at global scale, supporting 6+ millions of customers and complex supply chain operations. Technical/Product/Design leadership: Drive best practices and influence architecture/design, quality, and ways of working in an autonomous, product-led setup. End-to-end development/delivery: Drive decisions from problem definition to production, improving systems and enabling long-term scalability. Access to workspace at Mennica Legacy Tower (Prosta 20). The hub offers modern facilities including showers, breakout zones, outdoor space, cycle parking, and refreshments (coffee, soft drinks, and fruit). Are you the missing ingredient? If this sounds like a tasty opportunity, we’d be excited to hear from you.  We aim to review your profile and respond within 5 business days. #engineering

🏢 Summary: Backend engineering role focused on building and maintaining high-availability microservices that support customer subscription and ordering experiences at global scale. The position involves end-to-end architecture, development, and deployment within a DevOps-oriented, cross-functional environment. You will work with modern technologies to deliver scalable, event-driven systems used by millions of users. 🗂️ Requirements: Extensive experience with backend development, Strong experience with microservices and distributed systems, Proficiency in event-driven architectures, High proficiency in Golang or JVM languages, Experience with Docker and Kubernetes, Experience implementing CI/CD pipelines, Strong testing skills including unit and end-to-end tests, Strong knowledge of relational databases 📃 Skills: Golang, Kafka, RabbitMQ, AWS, SQS, SNS, Docker, Kubernetes, CI/CD, SQL, MongoDB, GraphQL, Elasticsearch, JVM 🏢 Description: Work with HelloFresh in Warsaw and its HelloTech organisation, HelloFresh’s global technology backbone with more than 1000 people, building the digital products that power our end-to-end food experience. From meal kits and ready-to-eat meals to specialty offerings like pet food and premium meat & seafood, HelloTech creates the platforms that bring tailored food solutions to millions of customers every month. Our subscription-based, direct-to-consumer model relies on technology at every step, from customer-facing apps and personalization logic to pricing, forecasting, supply chain optimization, and initiatives that help reduce food waste. While our brands operate independently to serve distinct customer needs, they are united by shared platforms, data, and operational excellence built by HelloTech. HelloTech works in autonomous, cross-functional alliances, each owning a specific product or domain end to end. By working with our Warsaw office, you will help shape scalable, data-driven products used across our markets, working with a modern tech stack and international teams to continuously improve how people discover, order, and enjoy HelloFresh’s products, today and in the future. About the role: What's in the Box The service provider will contribute to the Active Journey Alliance , whose mission is to maximize the retention of active customers by helping them build habits, manage subscriptions, and navigate their ordering experience seamlessly. As an external expert, you will provide specialized services in developing and maintaining high-availability backend systems that serve millions of global users, ensuring a robust technical foundation for customer-facing features and error-resolution workflows. What you’ll do: The Recipe Deliver end-to-end services including the architecture, design, development, and deployment of microservices within a DevOps-oriented framework. Provide technical contributions within autonomous, cross-functional agile units, collaborating with primary stakeholders such as Product Owners, Designers, and BI specialists. Ensure operational excellence for delivered services through modern methodologies, including pair programming and automated testing. Execute technical solutions using a state-of-the-art stack including Golang, Kafka, Docker, and Kubernetes. Act as a subject matter expert on software solutions, providing technical guidance and knowledge sharing to other contributors. What you’ll bring: The Ingredients Extensive experience in backend service delivery, specifically focusing on microservices and distributed systems. Proven proficiency in building event-driven architectures utilizing technologies like RabbitMQ, Kafka, or AWS SQS/SNS. High proficiency in Golang is preferred; experience with JVM languages and a readiness to provide services in a Go-centric environment is welcome. Practical expertise with Docker, container orchestration via Kubernetes, and the implementation of CI/CD pipelines. A rigorous approach to testing practices, encompassing both unit and end-to-end validation. Deep technical understanding of relational databases; additional experience with MongoDB, GraphQL, or Elasticsearch is highly regarded. Above all, we are looking for individuals who will make HelloFresh better. We believe there are many different ways of developing skills and we love diverse experiences! So even if you don’t “tick all the boxes” but think you’d thrive in this role, we would really like to learn more about you. What we offer: The Toppings Global collaboration at scale: Collaborate with experienced engineers and product partners across HelloTech’s international teams, in a culture of active knowledge sharing. Technology with real-world impact: Build and operate modern systems at global scale, supporting 6+ millions of customers and complex supply chain operations. Technical/Product/Design leadership: Drive best practices and influence architecture/design, quality, and ways of working in an autonomous, product-led setup. End-to-end development/delivery: Drive decisions from problem definition to production, improving systems and enabling long-term scalability. Access to workspace at Warsaw Centre Point: The hub offers modern facilities including showers, breakout zones, outdoor space, cycle parking, and refreshments (coffee, soft drinks, and fruit). Are you the missing ingredient? If this sounds like a tasty opportunity, we’d be excited to hear from you. We aim to review your profile and respond within 5 business days. #engineering

🏢 Summary: Backend Engineer role in the Finance Tech squad focused on building and operating microservices that automate and unify global financial processes and order flows. The position involves designing event-driven, distributed systems and integrating core financial platforms in a DevOps-driven, agile environment. You will work with modern technologies to deliver scalable backend services used globally. 🗂️ Requirements: Strong backend development experience, Experience with microservices and distributed systems, Experience building event-driven architectures, Knowledge of messaging systems (Kafka or AWS SQS/SNS), Proficiency in Kotlin or Java, Experience with Spring framework, Experience with Docker, Experience with Kubernetes, Experience implementing CI/CD pipelines, Knowledge of relational databases, Experience with unit and end-to-end testing 📃 Skills: Kotlin, Java, Spring, Kafka, SQS, SNS, Docker, Kubernetes, CI/CD, SQL, Oracle, Workday, Python, Streamlit, GitOps 🏢 Description: At HelloFresh, our mission is simple: to change the way people eat, forever. As a global digital-native FMCG company and the world's leading mealkit provider, we are transforming the traditional food supply chain through a data-driven, on-demand model that enables scalable and more sustainable food delivery. The HelloFresh Group includes eight brands serving customers across multiple meal occasions, including HelloFresh, Green Chef, EveryPlate, and Chefs Plate, as well as ready-to-eat meals from Factor and YouFoodz, meat and seafood subscriptions through Good Chop, and pet nutrition with The Pets Table. Through technology, data, and culinary innovation, we deliver personalized food experiences to millions of households worldwide. Work with HelloFresh in Warsaw and its HelloTech organisation, HelloFresh’s global technology backbone with more than 1000 people, building the digital products that power our end-to-end food experience. From meal kits and ready-to-eat meals to specialty offerings like pet food and premium meat & seafood, HelloTech creates the platforms that bring tailored food solutions to millions of customers every month. Our subscription-based, direct-to-consumer model relies on technology at every step, from customer-facing apps and personalization logic to pricing, forecasting, supply chain optimization, and initiatives that help reduce food waste. While our brands operate independently to serve distinct customer needs, they are united by shared platforms, data, and operational excellence built by HelloTech. HelloTech works in autonomous, cross-functional alliances, each owning a specific product or domain end to end. By working with our Warsaw office, you will help shape scalable, data-driven products used across our markets, working with a modern tech stack and international teams to continuously improve how people discover, order, and enjoy HelloFresh’s products, today and in the future. About the role: What's in the Box The position is part of the Finance Tech squad, which has the mission to support and automate internal finance processes. Finance Tech squad acts as a global team to uniform processes connected to placing orders and make sure all financial transactions are processed correctly and timely. Backend Engineers assume development and operational responsibility for the HelloFresh platform that serves millions globally to deliver the best experience for our internal users. At HelloTech, flexibility and cross-functional collaboration are core to how we work. While this role is aligned to a specific Alliance, strong candidates may also be considered for opportunities across different teams or projects. What you’ll do: The Recipe Work on the architecture, design, development, deployment and operations of the microservices you will develop, using DevOps practices, pair programming and other cutting-edge methodologies. Be an active, solution-oriented member of autonomous, cross-functional agile teams collaborating with Product Owners, Front-end Engineers and a number of different stakeholders involved in our projects. Develop an in-depth understanding of HelloFresh’s core product and architecture, and act as an ambassador for software solutions, offering support and guidance to colleagues. Drive the design and implementation of backend services to build integrations for core financial systems, such as Oracle and Workday, and unify order flows across global entities. Work with state-of-the-art technologies like Kotlin, Kafka, Docker, Kubernetes and more. What you’ll bring: The Ingredients Strong background in backend development, with a focus on microservices and distributed systems Proven ability to build event-driven architectures using messaging technologies such as Kafka, or AWS SQS/SNS Proficiency in JVM based languages (Kotlin/Java) is preferred; experience with Spring and willingness to learn Kotlin is also welcome. Practical knowledge of Docker, container orchestration tools like Kubernetes, and CI/CD implementation Solid foundation in testing practices, including both unit and end-to-end testing Deep understanding of relational databases Familiarity with AI tools, GitOps, and Python (e.g., Streamlit for monitoring dashboards) is a plus Above all, we are looking for individuals who will make HelloFresh better. We believe there are many different ways of developing skills and we love diverse experiences! So even if you don’t “tick all the boxes” but think you’d thrive in this role, we would really like to learn more about you. What we offer: The Toppings Global collaboration at scale: Collaborate with experienced engineers and product partners across HelloTech’s international teams, in a culture of active knowledge sharing. Technology with real-world impact: Build and operate modern systems at global scale, supporting 6+ millions of customers and complex supply chain operations. Technical/Product/Design leadership: Drive best practices and influence architecture/design, quality, and ways of working in an autonomous, product-led setup. End-to-end development/delivery: Drive decisions from problem definition to production, improving systems and enabling long-term scalability. Access to workspace at Warsaw Centre Point. The hub offers modern facilities including showers, breakout zones, outdoor space, cycle parking, and refreshments (coffee, soft drinks, and fruit). Are you the missing ingredient? If this sounds like a tasty opportunity, we’d be excited to hear from you.  We aim to review your profile and respond within 5 business days.

🏢 Summary: Backend-focused role in a cross-functional team building AI-powered, event-driven systems that automate customer communication campaigns across channels at global scale. You will design, develop, and operate scalable microservices handling large-scale data and machine-learning–driven decisioning. The position involves end-to-end ownership from architecture to production within a modern, agile environment. 🗂️ Requirements: Strong Python development experience across full lifecycle, Experience with event-driven microservices architecture, Hands-on work with RabbitMQ or Kafka, Experience with relational databases (PostgreSQL), Experience with AWS S3 or object storage, Experience with monitoring tools (Prometheus, Grafana, or Datadog), Experience with CI and automated testing (unit, integration, functional), Experience integrating external APIs or third-party systems, Hands-on use of AI coding agents in development workflow, Experience working in agile environments 📃 Skills: Python, RabbitMQ, Kafka, PostgreSQL, S3, AWS, Prometheus, Grafana, Datadog, Microservices, CI, APIs, AI, Claude, Cursor, Copilot 🏢 Description: Work with HelloFresh in Warsaw and its HelloTech organisation, HelloFresh’s global technology backbone with more than 1000 people, building the digital products that power our end-to-end food experience. From meal kits and ready-to-eat meals to specialty offerings like pet food and premium meat & seafood, HelloTech creates the platforms that bring tailored food solutions to millions of customers every month. Our subscription-based, direct-to-consumer model relies on technology at every step, from customer-facing apps and personalization logic to pricing, forecasting, supply chain optimization, and initiatives that help reduce food waste. While our brands operate independently to serve distinct customer needs, they are united by shared platforms, data, and operational excellence built by HelloTech. HelloTech works in autonomous, cross-functional alliances, each owning a specific product or domain end to end. By working with our Warsaw office, you will help shape scalable, data-driven products used across our markets, working with a modern tech stack and international teams to continuously improve how people discover, order, and enjoy HelloFresh’s products, today and in the future. About the role: What's in the Box You will work with a cross-functional team responsible for how HelloFresh communicates with its customers at scale. The project involves supporting backend-driven, AI-powered systems that automate campaign execution end-to-end — from campaign configuration and content generation to validation, quality checks, and orchestration across channels such as email, SMS, and push. Working with large-scale data and machine-learning–driven decisioning, you will support the design and operation of reliable, scalable services that reduce manual effort while improving speed, consistency, and customer relevance. At HelloTech, flexibility and cross-functional collaboration are core to how we work. While this role is aligned to a specific Alliance, strong candidates may also be considered for opportunities across different teams or projects. What you’ll do: The Recipe Collaborate within an autonomous, cross-functional agile team of 6–10 people, working closely with Product Owners, Frontend Engineers, Data Engineers, and Business Intelligence teams to deliver impactful solutions. Work on the architecture, design, development, deployment, and operations of our microservices, autonomously driving complex business challenges from conception to resolution. Build and maintain robust event-driven systems using state-of-the-art technologies. Leverage modern AI tools and DevOps practices to enhance productivity, strategically utilizing methodologies like vibe coding and pair programming. Support colleagues by sharing practical knowledge, trends, and technical insights, contributing to an environment where technical perspectives are valued. What you’ll bring: The Ingredients Expertise in Python development, covering the full lifecycle from unit, integration, and functional testing to application tuning, profiling, and continuous integration. Solid background in event-driven microservices architecture, utilizing tools such as RabbitMQ or Kafka. Proficiency with data storage, including relational databases like PostgreSQL and object stores like AWS S3. Strong agile mindset, with a focus on lean thinking, quick iterations, and continuous delivery in a fast-paced environment. Ability to utilize monitoring solutions like Prometheus, Grafana, or Datadog to ensure system health. Experience integrating external systems, such as third-party vendors, APIs, marketing platforms, or messaging services, is a strong plus. Curiosity and drive, seeking to continuously develop yourself, learn from peers, and act as an ambassador for AI mentality within the team. Solid hands-on experience working with AI coding agents (e.g., Claude Code, Cursor, Copilot) beyond casual experimentation. You use AI agents as thought partners to onboard on unfamiliar codebases and navigate new areas of the code with confidence. You have a practical sense of how the context you provide to AI tools - specifications, constraints, examples - shapes output quality, and a developing awareness of how agentic outputs can fail, with growing habits around verifying, testing, and setting boundaries on AI-generated work. Above all, we are looking for individuals who will make HelloFresh better. We believe there are many different ways of developing skills and we love diverse experiences! So even if you don’t “tick all the boxes” but think you’d thrive in this role, we would really like to learn more about you. What we offer: The Toppings Global collaboration at scale: Collaborate with experienced engineers and product partners across HelloTech’s international teams, in a culture of active knowledge sharing. Technology with real-world impact: Build and operate modern systems at global scale, supporting 6+ millions of customers and complex supply chain operations. Technical/Product/Design leadership: Drive best practices and influence architecture/design, quality, and ways of working in an autonomous, product-led setup. End-to-end development/delivery: Drive decisions from problem definition to production, improving systems and enabling long-term scalability. Access to workspace at Warsaw Centre Point. The hub offers modern facilities including showers, breakout zones, outdoor space, cycle parking, and refreshments (coffee, soft drinks, and fruit). Are you the missing ingredient? If this sounds like a tasty opportunity, we’d be excited to hear from you.  We aim to review your profile and respond within 5 business days.

🏢 Summary: Backend engineering role focused on building and evolving scalable software products and workflow tools supporting HelloFresh’s global food supply chain operations. The position involves enhancing Python-based systems, optimizing data-heavy processes, and contributing to modular, production-ready backend architectures used across multiple regions. 🗂️ Requirements: Extensive backend engineering experience, Deep mastery of Python, Experience with SQL and data modeling, Experience building data-heavy products or in Data Engineering, Experience designing modular systems with synchronous and asynchronous communication, Familiarity with AWS and Kubernetes, Ability to translate business requirements into technical solutions 📃 Skills: Python, SQL, Kotlin, Golang, Airflow, Pandas, AWS, Kubernetes 🏢 Description: Work with HelloFresh in Warsaw and its HelloTech organisation, HelloFresh’s global technology backbone with more than 1000 people, building the digital products that power our end-to-end food experience. From meal kits and ready-to-eat meals to specialty offerings like pet food and premium meat & seafood, HelloTech creates the platforms that bring tailored food solutions to millions of customers every month. Our subscription-based, direct-to-consumer model relies on technology at every step, from customer-facing apps and personalization logic to pricing, forecasting, supply chain optimization, and initiatives that help reduce food waste. While our brands operate independently to serve distinct customer needs, they are united by shared platforms, data, and operational excellence built by HelloTech. HelloTech works in autonomous, cross-functional alliances, each owning a specific product or domain end to end. By working with our Warsaw office, you will help shape scalable, data-driven products used across our markets, working with a modern tech stack and international teams to continuously improve how people discover, order, and enjoy HelloFresh’s products, today and in the future. About the role: What's in the Box You will collaborate with the Food Systems Alliance at a pivotal moment as the organization transitions from bespoke operational tooling toward scalable software products that support the global supply chain. In this role, you’ll help translate complex business processes — such as route planning, procurement, and menu planning — into robust and reliable technical solutions. Your initial focus will be enhancing and optimizing Python-based tools that support day-to-day production operations, while contributing longer term to the development of modular, globally scalable systems that support HelloFresh’s food supply chain across multiple regions. What you’ll do: The Recipe Design and develop software products and workflow tooling supporting global supply chain operations, from ingredient planning to logistics. Contribute to the evolution of existing tooling and data processes into modular, scalable backend solutions aligned with HelloFresh’s growth. Work closely with stakeholders across Procurement, Production, and Data Engineering to help translate operational requirements into technical solutions. Contribute to engineering best practices around code quality, reliability, maintainability, and system design within the broader engineering setup. Improve and optimize complex data workflows and production logic to support evolving operational needs. Support knowledge sharing and collaboration across engineers through activities such as code reviews, technical discussions, and documentation. What you’ll bring: The Ingredients Extensive backend engineering experience within JVM-based ecosystems such as Kotlin or Java. Experience with Python is a plus, especially in operational or workflow-heavy environments. Strong experience building scalable backend systems and services, including familiarity with event-driven architectures and messaging technologies such as Kafka, RabbitMQ, or SQS. Basic SQL and data modeling skills, with the ability to work confidently in data-heavy domains. Exposure to tools like Airflow, Databricks, or Pandas is beneficial but not required. Experience designing modular, maintainable systems and translating complex business processes into reliable technical solutions. Familiarity with modern cloud and infrastructure tooling such as AWS, Kubernetes, CI/CD pipelines, and observability practices. An agile and product-minded approach to problem solving, with the ability to navigate ambiguity, collaborate closely with stakeholders, and proactively shape solutions. Above all, we are looking for individuals who will make HelloFresh better. We believe there are many different ways of developing skills and we love diverse experiences! So even if you don’t “tick all the boxes” but think you’d thrive in this role, we would really like to learn more about you. What we offer: The Toppings Global collaboration at scale: Collaborate with experienced engineers and product partners across HelloTech’s international teams, in a culture of active knowledge sharing. Technology with real-world impact: Build and operate modern systems at global scale, supporting 6+ millions of customers and complex supply chain operations. Technical/Product/Design leadership: Drive best practices and influence architecture/design, quality, and ways of working in an autonomous, product-led setup. End-to-end development/delivery: Drive decisions from problem definition to production, improving systems and enabling long-term scalability. Access to workspace at Warsaw Centre Point. The hub offers modern facilities including showers, breakout zones, outdoor space, cycle parking, and refreshments (coffee, soft drinks, and fruit). Are you the missing ingredient? If this sounds like a tasty opportunity, we’d be excited to hear from you.  We aim to review your profile and respond within 5 business days.

🏢 Summary: Engineering role within the Shopping Foundations Squad (Cart Foundation) delivering scalable backend microservices for a global e-commerce platform serving millions of users. The position focuses on optimizing subscription and cart management through robust, event-driven architectures and DevOps practices. You will design, build, and operate high-performance systems using a modern cloud-native tech stack. 🗂️ Requirements: Strong backend development experience, Experience with monolithic and microservices architectures, Experience with distributed event-driven systems, Proficiency in Golang, Kotlin or PHP, Experience with Docker and Kubernetes, Experience building CI/CD pipelines, Knowledge of TDD, BDD and DDD practices, Experience with RabbitMQ or Kafka, Experience with MongoDB and PostgreSQL, Experience with Elasticsearch 📃 Skills: Golang, Kotlin, PHP, Docker, Kubernetes, Kafka, RabbitMQ, MongoDB, PostgreSQL, Elasticsearch, CI/CD, TDD, BDD, DDD, Microservices, GraphQL 🏢 Description: Work with HelloFresh in Warsaw and its HelloTech organisation, HelloFresh’s global technology backbone with more than 1000 people, building the digital products that power our end-to-end food experience. From meal kits and ready-to-eat meals to specialty offerings like pet food and premium meat & seafood, HelloTech creates the platforms that bring tailored food solutions to millions of customers every month. Our subscription-based, direct-to-consumer model relies on technology at every step, from customer-facing apps and personalization logic to pricing, forecasting, supply chain optimization, and initiatives that help reduce food waste. While our brands operate independently to serve distinct customer needs, they are united by shared platforms, data, and operational excellence built by HelloTech. HelloTech works in autonomous, cross-functional alliances, each owning a specific product or domain end to end. By working with our Warsaw office, you will help shape scalable, data-driven products used across our markets, working with a modern tech stack and international teams to continuously improve how people discover, order, and enjoy HelloFresh’s products, today and in the future. About the role: What's in the Box The service provider will contribute to the Consumer Mega Alliance within the Shopping Foundations Squad, specifically focusing on the Cart Foundation. The primary objective of this collaboration is to provide high-level engineering services that maximize the retention of active customers by optimizing how they manage subscriptions and order products. This role involves delivering scalable backend solutions for a platform that serves millions of global users, ensuring a seamless experience across the HelloFresh digital ecosystem. What you’ll do: The Recipe Deliver high-quality architecture, design, and development services for microservices, ensuring robust deployment and operational stability using DevOps practices. Provide expertise within autonomous, cross-functional agile teams, collaborating closely with Product Owners, Front-end Engineers, and Designers to meet project milestones. Apply an in-depth understanding of core product architecture to act as a technical authority, offering support and knowledge sharing to other contributors. Execute technical tasks using a state-of-the-art stack, including Golang, Kafka, Docker, and Kubernetes. Perform problem-solving services across a wide range of platforms and environments to ensure system reliability and performance. What you’ll bring: The Ingredients Solid experience in backend development, covering Monolithic, Microservices, and distributed event-driven architectural patterns. Proficiency in languages such as Golang, Kotlin, and/or PHP. Proven track record of delivering services using Docker and container orchestration technologies like Kubernetes. Extensive experience in implementing true Continuous Integration & Continuous Delivery (CI/CD) pipelines. Practical application of TDD, BDD, DDD, and distributed architectural patterns. Background in developing event-driven architectures utilizing RabbitMQ and/or Kafka. Experience working with MongoDB, PostgreSQL, and Elasticsearch. Familiarity with e-commerce, subscription-based business models, and GraphQL integration is considered a significant advantage. Above all, we are looking for individuals who will make HelloFresh better. We believe there are many different ways of developing skills and we love diverse experiences! So even if you don’t “tick all the boxes” but think you’d thrive in this role, we would really like to learn more about you. What we offer: The Toppings Global collaboration at scale: Collaborate with experienced engineers and product partners across HelloTech’s international teams, in a culture of active knowledge sharing. Technology with real-world impact: Build and operate modern systems at global scale, supporting 6+ millions of customers and complex supply chain operations. Technical/Product/Design leadership: Drive best practices and influence architecture/design, quality, and ways of working in an autonomous, product-led setup. End-to-end development/delivery: Drive decisions from problem definition to production, improving systems and enabling long-term scalability. Access to workspace at Warsaw Centre Point: The hub offers modern facilities including showers, breakout zones, outdoor space, cycle parking, and refreshments (coffee, soft drinks, and fruit). Are you the missing ingredient? If this sounds like a tasty opportunity, we’d be excited to hear from you. We aim to review your profile and respond within 5 business days.

🏢 Summary: Contract role in the Recipe Engagement Squad focused on building and scaling high-traffic Go microservices that power recipe ratings, favorites, and customer feedback across global meal platforms. The position involves designing GraphQL APIs, implementing GenAI-driven features, and ensuring reliability of distributed systems used by millions of users. You will own end-to-end delivery from technical design to production rollout in a modern, cloud-native environment. 🗂️ Requirements: Deep expertise in Go (Golang), Experience building high-traffic distributed microservices, Experience with PostgreSQL, Redis, and Kafka in production, Proficiency in GraphQL schema design and Apollo Federation, Experience implementing production-grade GenAI features, Strong knowledge of distributed systems patterns, Experience with Kubernetes and AWS, Experience with monitoring and observability tools, Ability to deliver end-to-end features from design to production 📃 Skills: Go, Golang, PostgreSQL, Redis, Kafka, GraphQL, Apollo, GenAI, Kubernetes, AWS, Prometheus, Grafana, OpenTelemetry, Honeycomb, Datadog 🏢 Description: Work with HelloFresh in Warsaw and its HelloTech organisation, HelloFresh’s global technology backbone with more than 1000 people, building the digital products that power our end-to-end food experience. From meal kits and ready-to-eat meals to specialty offerings like pet food and premium meat & seafood, HelloTech creates the platforms that bring tailored food solutions to millions of customers every month. Our subscription-based, direct-to-consumer model relies on technology at every step, from customer-facing apps and personalization logic to pricing, forecasting, supply chain optimization, and initiatives that help reduce food waste. While our brands operate independently to serve distinct customer needs, they are united by shared platforms, data, and operational excellence built by HelloTech. HelloTech works in autonomous, cross-functional alliances, each owning a specific product or domain end to end. By working with our Warsaw office, you will help shape scalable, data-driven products used across our markets, working with a modern tech stack and international teams to continuously improve how people discover, order, and enjoy HelloFresh’s products, today and in the future. About the role: What's in the Box You will contribute to the Recipe Engagement Squad within a large-scale meal-kit and ready-to-eat platform. This project focuses on the delivery of high-scale systems that capture and surface customer feedback and engagement across multiple global brands. The contractor will provide expert technical services to ensure millions of customers can effortlessly share opinions and save favorite meals, directly enabling the data-driven improvement of recipe offerings. What you’ll do: The Recipe Delivery of high-scale Go microservices powering recipe ratings, favorites, and feedback systems using PostgreSQL, Redis, and Kafka. Design and extension of GraphQL APIs within an Apollo Federation subgraph architecture for mobile and web client consumption. Execution of GenAI strategies, including the prototyping and implementation of production-grade features such as personalization and advanced feedback analysis. Service delivery for end-to-end features, from initial RFC technical design to production rollout using multi-market feature flags. Ensuring system reliability and observability through the implementation of monitoring via Grafana, Prometheus, and OpenTelemetry. Provision of technical guidance and architectural evolution across the domain to mitigate long-term technical risks. Collaboration with primary stakeholders in mobile, web, and product design to refine project requirements and demonstrate deliverables. Leading technical initiatives and streamlining delivery processes to reduce implementation churn and improve quality. What you’ll bring: The Ingredients Deep expertise in Go (Golang) and the design of high-traffic distributed systems. Proven experience operating microservices with large datasets using PostgreSQL, Redis, and Kafka. Technical proficiency in GraphQL schema design and federation patterns (Apollo). Practical experience in integrating production-grade GenAI features and using AI-assisted development tools. Advanced knowledge of distributed systems patterns, including cache-aside, outbox patterns, and event-driven architecture. Technical command of Kubernetes and AWS for containerized service operations. Experience with observability and tracing tools such as Prometheus, Grafana, Honeycomb, or Datadog. Expertise in agile delivery focused on DORA metrics and iterative software releases. Commitment to service quality, including thorough testing and technical peer reviews. Above all, we are looking for individuals who will make HelloFresh better. We believe there are many different ways of developing skills and we love diverse experiences! So even if you don’t “tick all the boxes” but think you’d thrive in this role, we would really like to learn more about you. What we offer: The Toppings Global collaboration at scale: Collaborate with experienced engineers and product partners across HelloTech’s international teams, in a culture of active knowledge sharing. Technology with real-world impact: Build and operate modern systems at global scale, supporting 6+ millions of customers and complex supply chain operations. Technical/Product/Design leadership: Drive best practices and influence architecture/design, quality, and ways of working in an autonomous, product-led setup. End-to-end development/delivery: Drive decisions from problem definition to production, improving systems and enabling long-term scalability. Access to workspace at Warsaw Centre Point: The hub offers modern facilities including showers, breakout zones, outdoor space, cycle parking, and refreshments (coffee, soft drinks, and fruit). Are you the missing ingredient? If this sounds like a tasty opportunity, we’d be excited to hear from you. We aim to review your profile and respond within 5 business days.

🏢 Summary: Software Engineer role focused on building and scaling distributed supply chain systems that power global procurement, demand forecasting, and inventory replenishment. The position involves developing high-availability microservices and data pipelines using modern cloud-native technologies to support automated, data-driven decision-making. You will work in a cross-functional agile team to design, deliver, and operate scalable backend services in a global environment. 🗂️ Requirements: Strong professional experience in software development, Proficiency in Kotlin or Java, Experience building and operating microservices in distributed systems, Experience with containerization technologies, Experience with stream processing systems, Experience with relational or document databases, Understanding of CI/CD practices, Ability to design scalable and highly available systems 📃 Skills: Kotlin, Java, Kafka, Kubernetes, Docker, AWS, PostgreSQL, MongoDB, Next.js, Redux, CI/CD, Microservices 🏢 Description: Work with HelloFresh in Warsaw and its HelloTech organisation, HelloFresh’s global technology backbone with more than 1000 people, building the digital products that power our end-to-end food experience. From meal kits and ready-to-eat meals to specialty offerings like pet food and premium meat & seafood, HelloTech creates the platforms that bring tailored food solutions to millions of customers every month. Our subscription-based, direct-to-consumer model relies on technology at every step, from customer-facing apps and personalization logic to pricing, forecasting, supply chain optimization, and initiatives that help reduce food waste. While our brands operate independently to serve distinct customer needs, they are united by shared platforms, data, and operational excellence built by HelloTech. HelloTech works in autonomous, cross-functional alliances, each owning a specific product or domain end to end. By working with our Warsaw office, you will help shape scalable, data-driven products used across our markets, working with a modern tech stack and international teams to continuously improve how people discover, order, and enjoy HelloFresh’s products, today and in the future. About the role: What's in the Box As a Software Engineer within the Food Systems Alliance in Supply Chain Management (SCM), you will be building and scaling the core systems that power HelloFresh’s global procurement process. You will contribute to the design and operation of distributed systems supporting automated demand forecasting and inventory replenishment across our global network, directly impacting our efficiency and sustainability. This platform uses modern technologies and data science to make crucial decisions about ingredient flow, ensuring high quality and optimal delivery for our customers. You will have a unique opportunity to grow your expertise in supply chain technology while collaborating with cross-functional product, data, and operations partners to solve complex, real-world problems. At HelloTech, flexibility and cross-functional collaboration are core to how we work. While this role is aligned to a specific Alliance, strong candidates may also be considered for opportunities across different teams or projects. What you’ll do: The Recipe Design and implement reliable, high-quality technical features for our core supply chain microservices and data pipelines. Collaborate closely with a cross-functional agile team, typically 6-8 people, to break down complex requirements and deliver robust solutions. Apply modern engineering practices like DevOps, Continuous Delivery, and cloud-native development to build resilient and observable services on a large scale. Contribute to the architectural discussions and technical roadmap for your team’s services, focusing on high availability and scalability. Work within a modern tech stack, applying strong proficiency in backend languages like Kotlin and leveraging tools such as Kafka , Kubernetes , and AWS . Debug and resolve issues in production systems, ensuring the stability and performance of services that handle large volumes of asynchronous data. What you’ll bring: The Ingredients Strong professional experience in software development with demonstrable problem-solving skills and proficiency in a backend language such as Kotlin or Java , familiarity with front-end technologies like Next.js/Redux is a plus. Practical experience in building, and operating microservices in a distributed system environment. Familiarity with modern technologies, including containerization ( Docker/Kubernetes ), stream processing ( Kafka ), and relational/document databases (e.g., PostgreSQL/MongoDB ). A solid understanding of end-to-end development processes, including testing and continuous integration/delivery ( CI/CD ). An agile mindset and a dedication to cross-functional collaboration and knowledge sharing within your team. A passion for tackling complex technical challenges and a willingness to learn and grow within an autonomous, high-impact domain. Above all, we are looking for individuals who will make HelloFresh better. We believe there are many different ways of developing skills and we love diverse experiences! So even if you don’t “tick all the boxes” but think you’d thrive in this role, we would really like to learn more about you. What we offer: The Toppings Global collaboration at scale: Collaborate with experienced engineers and product partners across HelloTech’s international teams, in a culture of active knowledge sharing. Technology with real-world impact: Build and operate modern systems at global scale, supporting 6+ millions of customers and complex supply chain operations. Technical/Product/Design leadership: Drive best practices and influence architecture/design, quality, and ways of working in an autonomous, product-led setup. End-to-end development/delivery: Drive decisions from problem definition to production, improving systems and enabling long-term scalability. Access to workspace at Warsaw WeWork Mennica Towers. The hub offers modern facilities including showers, breakout zones, outdoor space, cycle parking, and refreshments (coffee, soft drinks, and fruit). Are you the missing ingredient? If this sounds like a tasty opportunity, we’d be excited to hear from you.  We aim to review your profile and respond within 5 business days.