Senior Backend Engineer

🏢 Summary: Senior Full Stack Engineer role focused on building and delivering high-quality SaaS applications in a microservices environment. Involves end-to-end development across backend and frontend, collaborating in Agile teams to design, implement, and run scalable features in production. Strong emphasis on Java, Spring, and modern Angular development. 🗂️ Requirements: 5+ years Full Stack Software Engineering experience, Strong knowledge of Java 21, Experience in microservices architecture, Proficiency in Spring (Core, Data JPA, MVC, Boot, Security), Experience with SQL and REST APIs, Strong TypeScript and modern Angular (v15+) experience, Proficiency in JavaScript, HTML5, CSS3/SCSS, Experience with RxJS and state management (NgRx or NGXS), Knowledge of Object-Oriented Design and software design principles, Experience designing scalable frontend and backend systems, Familiarity with testing frameworks for frontend and backend, Experience working in Agile environment 📃 Skills: Java, Spring, SQL, REST, Spock, TypeScript, JavaScript, HTML5, CSS3, SCSS, Angular, RxJS, NgRx, NGXS, Docker, Kubernetes, CI/CD, SAML, OAuth, OpenID, AWS, CQRS, SOA 🏢 Description: Senior Full Stack Engineer Background Ziflow is the leading creative collaboration platform helping agencies and brands streamline feedback and approval for creative assets — from concept to delivery. Our customers include Toyota, McCann Worldgroup, AWS, Doordash, Williams Sonoma, and Bark. Founded in 2016, Ziflow serves thousands of customers globally, with team members in the US, UK, Poland, Canada, and South Africa. Our executive team has a proven track record of building, scaling, and successfully exiting SaaS businesses — and we’re just getting started. Join us to help build a world-class team that creates world-class work. The role You will work closely with our CTO and Product Team to produce a high quality product. You will be involved in every aspect of the product development process, from the conception of new features, collaborating with the Design and SysOps teams, to successfully running your code in production. You will be working in a formal Agile environment to develop high quality applications based on requirements and designs. Qualifications 5+ years of experience in a Full Stack Software Engineering role. Strong knowledge of Java 21, preferably in a microservices environment. Solid experience with Object-Oriented Design & Analysis and software design principles. Hands-on experience with Spring (Core, Data JPA, MVC, Boot, Security), SQL, REST APIs, Spock, and related backend technologies. Strong front-end development experience with TypeScript, JavaScript, HTML5, CSS3/SCSS, and modern Angular (v15+ preferred). Experience building responsive, accessible, and high-performance web applications. Proficiency with RxJS, state management patterns (NgRx/NGXS or similar), and Angular component architecture. Experience designing and implementing scalable, maintainable systems across both frontend and backend layers. Familiarity with testing frameworks and practices for both frontend and backend applications. Desirable Skills Experience with SOA and distributed systems. Familiarity with Docker, Kubernetes, and Continuous Integration/Continuous Delivery (CI/CD) practices. Experience with authentication and authorization technologies such as SAML, OAuth, OpenID Connect, and integrations with third-party APIs (Google, Dropbox, etc.). Some experience with Event Sourcing and CQRS. Familiarity with AWS services and cloud-native architectures. Experience optimizing frontend performance, browser APIs, and web accessibility. Knowledge of HTML5 Canvas and modern web platform capabilities. Experience working in Agile software development environments. Excellent communication and collaboration skills, with the ability to work effectively within cross-functional Scrum teams.

🏢 Summary: Remote Senior QA Engineer role focused on ensuring high-quality delivery of web applications through automated and manual testing across the full software development lifecycle. The position involves owning QA processes, solving complex technical challenges, and contributing to CI/CD and test strategy within cross-functional teams. The role also includes guiding technical decisions and supporting implementation of new technologies. 🗂️ Requirements: Minimum 7 years of QA or relevant experience, Minimum 3 years testing web applications, Experience creating automated tests for web applications and APIs, Experience with parallel test execution and CI/CD pipelines, Ability to design test strategies and perform manual and exploratory testing, Working knowledge of Java, Proficiency with Git, Experience with test management and bug-tracking tools, Experience across full software development lifecycle 📃 Skills: Java, CI/CD, Docker, Git, API, Selenium, JUnit, TestNG, REST, Agile 🏢 Description: Senior QA Engineer Software Development | Remote Background Ziflow is the leading creative collaboration platform helping agencies and brands streamline feedback and approval for creative assets — from concept to delivery. Our customers include Toyota, McCann Worldgroup, AWS, Doordash, Williams Sonoma, and Bark. Founded in 2016, Ziflow serves thousands of customers globally, with team members in the US, UK, Poland, Canada, and South Africa. Our executive team has a proven track record of building, scaling, and successfully exiting SaaS businesses — and we’re just getting started. Join us to help build a world-class team that creates world-class work. The role As a Senior QA Engineer, you will work in a cross-functional team of senior engineers, developers, and architects, taking ownership of QA across all project stages. You will solve complex technical challenges, influence project outcomes, and ensure high-quality delivery. You will take substantial features from concept to shipping, provide guidance to junior engineers, and contribute to proposals and project planning. Your work will span both automated and manual testing, with opportunities to shape processes and influence multiple projects. You will also play a key role in implementing new technologies, guiding teams on complex components, and providing technical expertise where needed. Qualifications Minimum 7 years of relevant experience Minimum of 3 years of experience testing web applications. Working knowledge of Java. Proven experience in creating automated tests for web applications and APIs. Experience with parallel test executions and distribution options (CI/CD, Docker). Ability to design test approaches and actively participate in manual testing, including creation, review, execution, and exploratory testing. Proficiency with version control systems, particularly Git. Experience with test management tools, bug-tracking systems, and exposure to all aspects of the software development lifecycle. Desirable Skills Recognized as a technical expert with deep expertise in at least one programming environment and basic proficiency in another. Ability to lead complex projects, influence project direction, and contribute to strategic decision-making. Experience in high-impact feature development affecting customers and users. System-wide responsibility for complex components or multiple projects. Capability to provide guidance and mentorship to junior team members. Routine reporting to Scrum Masters and authority to make project-related decisions. Extensive domain knowledge and experience in improving strategic processes.

🏢 Summary: Senior Backend Engineer role focused on building and scaling a cloud-based SaaS platform using modern .NET services and REST APIs. The position involves designing distributed systems, improving reliability and observability, and working with cloud and container environments. You will contribute to technical decisions and engineering best practices within a collaborative team. 🗂️ Requirements: 5+ years backend development experience, Experience with SaaS and web applications, Strong knowledge of C#, Strong knowledge of modern .NET/.NET Core, Solid computer science fundamentals, Experience with distributed systems design, Experience with cloud platforms, Experience with containers and orchestration, Understanding of concurrency and performance, Knowledge of authentication and authorization mechanisms 📃 Skills: C#, .NET, .NETCore, REST, Azure, AWS, GCP, Kubernetes, Kafka, RabbitMQ, SQS, Docker, SQL, HTML, CSS, JavaScript 🏢 Description: We’re hiring a Senior Backend Engineer to help build and scale a cloud-based SaaS platform. You’ll work on modern .NET services and APIs, improve reliability and observability, and contribute to technical decisions as part of a collaborative engineering team. Responsibilities: Build and maintain backend services and REST APIs in C# / .NET (.NET Core). Design scalable solutions for distributed systems (async workflows, messaging, integrations). Work with cloud services (Azure/AWS/GCP) and container environments (e.g. Kubernetes). Strengthen system reliability with logging, metrics, tracing, and monitoring. Support secure access patterns: authentication/authorization, API gateway concepts. Contribute through code reviews, good engineering practices, and automation. Requirements: 5+ years of backend development experience, including SaaS and web applications. Strong knowledge of C# and modern .NET + solid CS fundamentals. Familiarity with containers/orchestration and cloud-native approaches. Experience with some of: Kafka/RabbitMQ/SQS, workflow orchestration, job scheduling, search. Good understanding of concurrency and performance. Strong communication skills; Agile/Scrum is a plus. Bonus: basic front-end knowledge (HTML/CSS/JS).

🏢 Summary: Senior Backend Engineer role focused on designing and scaling a high-throughput, event-driven platform. The position centers on building and optimizing large-scale event processing services and APIs in distributed systems. It involves solving complex scalability and reliability challenges in a massive-scale environment. 🗂️ Requirements: Senior-level experience in backend development, Strong Python expertise, Experience scaling message queue systems, Experience with distributed systems and microservices architecture, Proven track record building high-throughput backend services, Experience designing scalable and fault-tolerant systems, Ability to implement and optimize APIs 📃 Skills: Python, Azure, ServiceBus, StorageQueues, EventHubs, Microservices, DistributedSystems, APIs, EventDriven, EventSourcing, Streaming, Observability, Monitoring 🏢 Description: Location: Remote Type: Full-time Level: Senior Duration: 4 months Start: ASAP We are looking for an experienced Senior Backend Engineer to join a team responsible for building and scaling a high-throughput, event-driven platform operating at massive scale. Your primary focus will be the event processing backbone — designing, developing, and optimizing services that handle large volumes of messages reliably and efficiently. You will work closely with architects and other senior engineers to implement APIs that expose data and support advanced triage and processing workflows. This role is ideal for someone who enjoys solving hard scalability problems , working with distributed systems, and building resilient backend services that operate under real-world load. Responsibilities Design and build backend services responsible for large-scale event processing Optimize and scale message-based systems to handle high throughput and reliability requirements Implement APIs defined by system architects to expose data and collect processing results Collaborate with cross-functional teams to improve platform performance and resilience Contribute to architectural decisions around scalability, fault tolerance, and observability Core Skills Strong experience with Python as a primary backend language Deep expertise in scaling message queue systems (e.g. Azure Service Bus, Storage Queues, Event Hubs or similar) Solid understanding of microservices architecture and distributed systems Proven experience building high-throughput, resilient backend services Strong problem-solving skills and ability to work with complex systems Highly Desirable Experience with event-driven or event sourcing architectures Background in data processing frameworks or streaming systems Experience building platforms related to observability, monitoring, or large-scale event management Familiarity with designing systems for fault tolerance and graceful degradation What we offer Work on technically challenging systems operating at very large scale High level of autonomy and real influence on system architecture Collaboration with experienced engineers in a mature engineering environment Competitive compensation and flexible working model Project with strong technical ownership

🏢 Summary: Senior Backend Engineer role focused on building and scaling backend systems for an AI-driven product that transforms complex government data into actionable insights. The position involves designing data ingestion, processing pipelines, and distributed infrastructure from scratch, with full ownership from architecture to production. You will work closely with a small senior team to deliver scalable, production-ready systems. 🗂️ Requirements: 6+ years of Backend Engineering experience, Experience in JVM ecosystem, Experience in product companies (B2B SaaS preferred), Experience designing and owning backend systems in production, Strong knowledge of system design and scalability, Experience building asynchronous or distributed systems, Ability to make and justify technical decisions, Fluency in English, Valid work authorization in Europe or LATAM 📃 Skills: Kotlin, Java, JVM, SQL, GCP, Messaging, Queues, DistributedSystems, SystemDesign, DataPipelines, LLMs, AI 🏢 Description: About the role We’re looking for a Senior Backend Engineer to join our early team and help build our product from zero to one. You’ll work on a product that helps companies navigate complex government data, from contracts and grants to market signals and turn it into actionable insights using AI. On the backend side, this means working on data ingestion, processing, and the infrastructure that powers search and AI-driven workflows at scale. You’ll collaborate closely with a small, senior team and have real ownership, from shaping solutions to shipping them to production and improving them over time. You might be a fit if you: Must have: 6+ years of experience as a Backend Engineer, preferably in the JVM ecosystem (we use Kotlin on the backend) Experience working in product companies (B2B SaaS preferred) with direct impact on shipped features Experience working in small companies or startups would be a strong advantage Experience designing and owning backend systems in production (from initial design to deployment and ongoing improvements) Strong understanding of system design, including scalability, failure handling, and trade-offs Experience building asynchronous or distributed systems (e.g. messaging, queues, event-driven systems) Ability to make and justify technical decisions, not just implement given solutions Fluency in written and spoken English Nice to have: Experience with large-scale data processing, scraping, or data pipelines Experience working with LLMs / AI-related systems Experience with GCP or similar cloud environments How We Work Build Bridges to Help Customers Win - We pride ourselves on being obsessively customer-centric. Shooting Star Speed - We move with extreme speed. We value momentum, decisiveness, and the ability to accelerate when it matters. Fun Is a Feature - Fun is a Feature means we intentionally design Starbridge to be an energizing place to do hard work. Joy, humor, and camaraderie make great teams faster, sharper, and more resilient. In the Arena - We believe the best ideas come from living close to the work, feeling the friction, hearing the nuance, and experiencing the details firsthand. Benefits include: Competitive salary + early-stage equity Unlimited PTO Regular off-sites (NYC + global locations) Interview Process We move fast — really fast. Getting back to someone today beats tomorrow, and our interview process reflects that mindset. Please keep us posted on your timeline so we can move quickly and speed things up where needed. After submitting your application, the team reviews your CV and statement of exceptional work. If your application passes this stage, you will be invited to a 30-minute interview during which a member of our team will make sure you're a good fit for the role. You will have the opportunity ask questions and learn more about the role as well. We'll then send you a programming challenge that consists of two parts: LeetCode and SQL. Beyond that step, you will enter the main process, which consists of three interviews: System design exercise hands-on. Live coding in Java/Kotlin. Product thinking and past work. All interviews will be conducted via Google Meet. Eligibility to Work in Europe or LATAM: Candidates must hold valid authorization to work in the country where they will be based. At this time, we are unable to offer visa sponsorship or assist with work permit applications.

🏢 Summary: Senior Backend Engineer role focused on defining the technical direction and architecture of a domain within a borderless financial platform. The position involves designing scalable microservices, driving architectural decisions, and leading a small backend team in a distributed environment. The role emphasizes reliability, security, and high‑volume transaction processing in a cloud-based ecosystem. 🗂️ Requirements: 4-7 years backend engineering experience, Proficiency in Go, Experience with Java 21 or modern Java, Experience designing microservices with clear contracts, Experience with caching strategies including TTL and invalidation, Experience with event-driven or asynchronous architectures, Experience with structured logging, metrics, and alerting, Experience with AWS services, Experience with relational and non-relational databases, Experience with Spring Boot or similar frameworks, Experience reviewing code and architectural decisions, Availability to work in GMT+5:30 timezone 📃 Skills: Java, Go, Spring, JDBI, PostgreSQL, CockroachDB, DynamoDB, Redis, SQS, SNS, Kafka, AWS, EKS, ALB, RDS, S3, Kong, Datadog, Quickwit, JWT, RBAC, TLS, Docker, ArgoCD, GitHub, Microservices, Kafka, CDC 🏢 Description: Project overview This project focuses on developing a borderless financial platform that supports international banking flows, payments, account management and regulatory compliant operations. The product handles sensitive data and high volume transactions while prioritising reliability and security. Team You will work in a distributed environment with backend engineers, a product manager and platform specialists. The role involves leading a sub team of three to five engineers, conducting design reviews, ensuring code quality standards and supporting collaborative decision making. Position overview We are looking for a Senior Backend Engineer who will define the technical direction of a backend domain and drive architectural decisions. You will design microservices, create scalable solutions, guide a small engineering group and collaborate closely with product specialists to shape the delivery roadmap. We are looking for a person willing to work in the time zone: GMT+5:30. Technology stack Java 21, Go, Spring Boot, JDBI, custom workflow engines, PostgreSQL, CockroachDB, DynamoDB, Redis, SQS, SNS, Kafka, AWS EKS ALB RDS S3 Secrets Manager, Kong API Gateway, Datadog, Quickwit, JWT RBAC TLS request and response encryption VAPT, GitHub Actions, Docker, ArgoCD, microservices, event driven architecture, saga and orchestration patterns, CDC pipelines, maker checker workflows Responsibilities Plan and design backend microservices with clear boundaries and contracts Develop solutions for domains such as onboarding, payments, transaction orchestration or platform components Break complex epics into actionable tasks with clear acceptance criteria Review designs from other engineers to ensure scalability and fault tolerance Drive technical decisions including caching layers, asynchronous processing strategies, database choices and API versioning Evaluate build versus buy options for integrations and services Collaborate with a product manager to align on scope and prioritisation Lead a sub team of backend engineers and support their professional growth Support incident response, root cause analysis and long term improvements Monitor service performance using logging, metrics and tracing tools Requirements Professional backend engineering experience from 4-7 years Experience with Go (tooling & CLIs) Experience designing microservices with well-defined contracts and boundaries Experience with Java 21 or modern Java versions Experience with caching strategy design, including TTL and invalidation approaches Experience working with asynchronous processing, event-driven architecture, or queue-based workflows Experience using structured logging, metrics, and alerting to debug production systems Experience in making build versus buy decisions with clear trade-off analysis Experience reviewing code and identifying architectural or contract issues Experience with AWS-based services Experience working with relational and non-relational databases such as PostgreSQL or DynamoDB Experience writing backend services using Spring Boot or similar frameworks Nice to have Experience with financial or payments related systems Experience with KYC or AML flows Experience with workflow or orchestration engines Experience with platform wide pattern creation or reusable service design Experience with data encryption practices and security audits Experience with CockroachDB or high availability distributed databases What We Offer: Vacation days : Up to 26 business days per year. 10 illness/special days off per year (fully paid, no medical papers needed) for all contract types Health and life insurance (Luxmed) MyBenefit platform with Multisport option Internal psychological support service English language classes from the first working day Access to external learning platforms : O’Reilly, LinkedIn Learning, Udemy, and a wide catalog of diverse internal training Flexible workplace : work from the office, from home, or choose a hybrid option Tech Skills Mentoring Program Opportunities to develop as a public speaker, mentor, or technical interviewer Fully paid idle (bench) when not involved in a project Certification reimbursement (AWS, GCP, Microsoft, etc.)

🏢 Summary: Senior Backend Engineer role focused on designing and developing scalable, reliable backend services using Java. The position involves working in a cross-functional team to build high-performance systems, improve architecture, and support CI/CD and production environments. 🗂️ Requirements: 5+ years Backend Engineering experience, Strong Java proficiency, Solid knowledge of databases and SQL, Experience with RESTful APIs, Experience with microservices architecture, Experience with high-load systems, Experience with Docker and Kubernetes, Experience with AWS or GCP, Knowledge of CI/CD pipelines, Understanding of Agile practices 📃 Skills: Java, SQL, REST, Microservices, Docker, Kubernetes, AWS, GCP, CI/CD, Golang, Python 🏢 Description: We are looking for a Senior Backend Engineer with strong Java experience to help us design and develop scalable solutions. You will work in a cross-functional team, building reliable services and contributing to the continuous improvement of our systems. This role is ideal for someone who enjoys solving complex problems and driving technical excellence. 💼 Responsibilities: Design, develop, and maintain backend features and services. Collaborate with teams to define requirements and integrate systems. Ensure performance, scalability, and reliability of applications. Contribute to CI/CD processes and support production systems. Write clear documentation and share knowledge within the team. ✅ Requirements: 5+ years of experience as a Backend Engineer, with strong Java skills (Golang/Python is a plus). Solid understanding of databases and SQL. Experience with RESTful API design, microservices, and high-load systems. Familiarity with Docker, Kubernetes, and cloud environments (AWS/GCP). Knowledge of CI/CD pipelines and Agile practices. Strong problem-solving and communication skills. 🎁 We offer: Stable employment in a fast-growing company. Flexible and remote-friendly working model. Health and wellbeing benefits. Learning and development opportunities. Modern equipment and comfortable work environment.

🏢 Summary: Senior Backend Engineer role focused on designing and developing modern financial applications and advanced monitoring systems in AWS cloud environments. The position involves backend development using C# and .NET technologies, applying DDD and CQRS patterns, and contributing to cloud-based banking solutions. The engineer works on scalable web applications and cloud services supporting operational processes. 🗂️ Requirements: 5+ years of commercial experience in web application development, Strong experience in C# development, Experience with SQL databases, Experience building web applications using .NET technologies, Professional proficiency in English 📃 Skills: C#, .NET, ASP.NET, AWS, Fargate, Lambda, S3, EventBridge, SQL, NoSQL, Jira, Confluence, Git, Rider, VisualStudio, DDD, CQRS 🏢 Description: The scope of your role: As a Senior Backend Engineer, you will take part in the process of the design and development of modern financial applications. You will develop advanced monitoring systems used in running operations in the AWS cloud environments. You will have an impact on our applications by working closely with businesses and clients who use our banking products. You will work with C#, .NET, ASP.NET, AWS ( incl. fargate, lambda, S3, event bridge), Jira, Confluence, Git, and Rider/Visual Studio. You will use DDD and CQRS. You will work using modern AI dev tools. Required qualifications: 5+ years of commercial experience in creating web applications. Solid experience developing applications using C#. Solid experience in working with SQL databases. Willingness and interest to collaborate and work in a team. Preferred qualifications: Experience with software engineering best practices (code reviews, continuous integration, continuous deployment, testing). Exposure to Agile development methodologies. Familiar with Web services/web API. Familiar with the AWS platform. Experience in working with NoSQL databases. About you? You are a creative and curious person with a genuine interest in software development. We are always looking for new knowledge and have a curiosity out of this world, we think that you have the same mindset and you are excited to read about the latest tech trends. You might also, like us, love to write nice and high-quality code. We hope you are not afraid to inform us about problems and have your thoughts on various solutions. You are a team player and used to work in an Agile environment. Since we are a multicultural team English is the required language.

🏢 Summary: The offer is for a Senior Backend Engineer responsible for designing and developing modern financial applications and advanced monitoring systems in AWS cloud environments. The role involves working with C# and .NET technologies, applying DDD and CQRS patterns, and collaborating closely with business stakeholders in an Agile team. The position focuses on building high-quality, scalable backend solutions using modern development and AI tools. 🗂️ Requirements: 5+ years of commercial experience in creating web applications, Strong experience with C# development, Experience working with SQL databases, Ability to work collaboratively in a team, Fluency in English 📃 Skills: C#, .NET, ASP.NET, AWS, Fargate, Lambda, S3, EventBridge, SQL, NoSQL, DDD, CQRS, Git, Jira, Confluence, Rider, VisualStudio, WebAPI, CI, CD 🏢 Description: The scope of your role: As a Senior Backend Engineer, you will take part in the process of the design and development of modern financial applications. You will develop advanced monitoring systems used in running operations in the AWS cloud environments. You will have an impact on our applications by working closely with businesses and clients who use our banking products. You will work with C#, .NET, ASP.NET, AWS ( incl. fargate, lambda, S3, event bridge), Jira, Confluence, Git, and Rider/Visual Studio. You will use DDD and CQRS. You will work using modern AI dev tools. Required qualifications: 5+ years of commercial experience in creating web applications. Solid experience developing applications using C#. Solid experience in working with SQL databases. Willingness and interest to collaborate and work in a team. Preferred qualifications: Experience with software engineering best practices (code reviews, continuous integration, continuous deployment, testing). Exposure to Agile development methodologies. Familiar with Web services/web API. Familiar with the AWS platform. Experience in working with NoSQL databases. About you? You are a creative and curious person with a genuine interest in software development. We are always looking for new knowledge and have a curiosity out of this world, we think that you have the same mindset and you are excited to read about the latest tech trends. You might also, like us, love to write nice and high-quality code. We hope you are not afraid to inform us about problems and have your thoughts on various solutions. You are a team player and used to work in an Agile environment. Since we are a multicultural team English is the required language.

🏢 Summary: Senior Backend Engineer role focused on building and scaling backend microservices for consumer-facing platforms and internal data privacy systems. The position involves developing distributed, event-driven systems supporting personalization, search, and regulatory compliance at scale. It requires strong experience in JVM technologies and cloud-native environments. 🗂️ Requirements: Strong commercial experience with JVM-based languages (Java or Scala), Experience with Kotlin or willingness to learn, Solid understanding of microservices architecture, Experience with event-driven systems, Experience with Docker and Kubernetes, Hands-on CI/CD experience in production, Experience with unit and integration testing, Experience with relational databases and SQL, Ability to design and maintain scalable distributed systems 📃 Skills: Java, Scala, Kotlin, JVM, Microservices, Docker, Kubernetes, CI/CD, SQL, PostgreSQL, AWS, Terraform, Elasticsearch, MongoDB, GraphQL, Go, Python 🏢 Description: We are looking for a Senior Backend Engineer to join a fast-growing product organization working on consumer-facing platforms and internal data systems. This role is suited for an experienced backend engineer who is comfortable building scalable, reliable services across different domains, from customer-facing journeys to data privacy and compliance infrastructure. About the Project: You will contribute to backend systems that power core customer experiences and internal platform initiatives. Depending on the team, this includes scaling a menu and personalization platform for high-traffic consumer applications, or building a centralized Data Privacy Service handling regulatory compliance (GDPR, CCPA) and Data Subject Requests at scale. Both streams require strong engineering fundamentals, a microservices mindset, and the ability to deliver in complex, distributed environments. Responsibilities: Design, develop, and maintain scalable backend microservices across consumer or data platform domains; Build systems supporting search, personalization, customer targeting, and engagement; Develop and operate services ensuring regulatory compliance and secure data handling (GDPR, CCPA); Work with event-driven architectures and distributed systems; Contribute to CI/CD pipelines, testing practices, and overall engineering quality; Collaborate with product and engineering teams to deliver reliable and performant solutions. Qualifications: Strong commercial experience with JVM-based languages (Java, Scala, or similar); Experience with Kotlin, or willingness to learn it on the project; Solid understanding of microservices architecture and event-driven systems; Experience with Docker and Kubernetes; Hands-on CI/CD experience in a production environment; Experience with unit and integration testing; Familiarity with relational databases (e.g. PostgreSQL) and SQL; AWS and Terraform experience is a plus; Experience with Elasticsearch, MongoDB, or GraphQL is a plus; Go or Python knowledge is a nice to have; Background in e-commerce, subscription platforms, or data privacy systems is a plus. Recruitment Process: Initial interview with our recruitment team; Interview with the hiring manager; Live Coding Assessment; Meeting with the Project Manager. Inuits Sp. z o.o. is registered in the National Register of Employment Agencies (KRAZ) under number 35420.