Fullstack Support Engineer (Java/React)

🏢 Summary: Full-stack engineering role focused on designing and developing modern cloud-native applications using Java and React for global enterprise clients. The position involves end-to-end feature delivery, architectural participation, and close collaboration with business stakeholders in an Agile environment. You will contribute to scalable, high-quality solutions while leveraging AI-driven tools and modern CI/CD practices. 🗂️ Requirements: 3+ years of experience in full-stack development with Java and React, Experience with CI/CD pipelines and modern software delivery practices, Understanding of RESTful APIs, microservices architecture, and distributed systems, Hands-on experience with cloud-native applications and cloud deployments, Knowledge of software design principles, testing strategies, and code quality standards, Experience using AI/LLM-powered tools in a professional environment, Ability to work in Agile teams and collaborate with technical and non-technical stakeholders, Very good command of English and Polish (B2+/C1) 📃 Skills: Java, React, CI/CD, REST, Microservices, DistributedSystems, Cloud, AI, LLM, Agile, Python, Databricks 🏢 Description: Grape Up is a consulting & technology company, helping enterprises create the most important applications by leveraging AI & cloud-native technologies and modern ways of delivering software. Grape Up is a consulting and technology company helping enterprises build mission-critical applications by leveraging AI, cloud-native technologies, and modern software delivery practices. As a member of our team, you will collaborate with both Grape Up engineers and client-side specialists to develop innovative digital products. You will be involved in building new solutions, delivering impactful features, and contributing to the continuous evolution of products used by thousands of users worldwide. Beyond day-to-day development, you will have the opportunity to influence technical decisions, shape system architecture, drive quality improvements, and promote engineering best practices across the project. Working closely with business stakeholders, product teams, and end users, you will help turn business needs into valuable, scalable solutions. At Grape Up, we believe in long-term career growth rather than short-term assignments. We provide the flexibility to explore new technologies, industries, and challenges while working on ambitious projects for global enterprises. By joining us, you will become part of a culture that values ownership, continuous learning, collaboration, and engineering excellence. Responsibilities Design, develop, and maintain modern cloud-native applications using Java and React Deliver new features and enhancements across the entire technology stack, from backend services to user-facing interfaces Collaborate closely with business stakeholders, Product Owners, and cross-functional teams to translate business needs into technical solutions Participate in system architecture discussions and contribute to technical decision-making Ensure high software quality through code reviews, automated testing, and continuous improvement initiatives Promote engineering best practices, coding standards, and maintainable software design Continuously seek opportunities to improve development processes, tools, and the overall product quality Be part of an Agile team that values teamwork, feedback, and continuous improvement Requirements 3+ years of experience in full-stack software development using Java and React Experience with CI/CD pipelines and modern software delivery practices Good understanding of RESTful APIs, microservices architecture, and distributed systems Hands-on experience in building cloud-native applications and deploying solutions to cloud environments Understanding of software design principles, testing strategies, and code quality standards Experience in using AI/LLM-powered tools in a professional context Ability to work effectively in Agile teams and collaborate with both technical and non-technical stakeholders Strong problem-solving skills and a proactive approach to delivering business value Very good command of English and Polish, both written and spoken (B2+/C1) – daily collaboration within the team takes place in English Nice to have Knowledge of Python Experience in Databricks Openness to (short) Business Trips, both domestic and foreign Benefits Non-corporate work environment among experienced engineers Individual growth & development plan supported by cyclical feedback sessions Access to knowledge platforms (e.g. Pluralsight) Equipment of your choice Financing of conferences, external trainings, and certifications Language lessons (English, German and Polish for foreigners) LuxMed private medical care Weekly Lunch & Learn where we meet up in the office, lunch together, and share our knowledge Employee referral program Rewards for the success of the month and year awarded by our employees Special rewards for your years with us (G-Man) Integration activities

🏢 Summary: Development of a cloud-native connectivity platform for vehicles, focused on building and maintaining a central gateway for managing in-car mobile data packages. The role involves designing and implementing microservices-based solutions using Java, Spring, and AWS within a complex enterprise ecosystem. It requires close collaboration with client teams and adherence to DevOps and agile practices. 🗂️ Requirements: 5+ years of experience with Java and Spring, Experience building cloud-native microservices applications, Hands-on experience with AWS cloud services, Experience with Git, Experience with Kafka, Experience with Terraform, Experience with JIRA and Confluence, Experience working in Scrum or SAFe framework, Very good English (B2+/C1) 📃 Skills: Java, Spring, AWS, EKS, SQS, SNS, DynamoDB, Microservices, Git, Kafka, Terraform, JIRA, Confluence, Scrum, SAFe, JavaScript, TypeScript 🏢 Description: Grape Up is a consulting and technology company that helps enterprises build their most critical applications using cloud-native technologies and modern software delivery practices. In collaboration with a legendary sports car manufacturer, we are building modern enterprise cloud solutions. Our team is responsible for implementing and maintaining the vehicle’s primary connectivity service – a central gateway for booking and managing mobile data packages within the vehicle. As a part of the complex architecture, it has various integrations with both the front-end and back-end services within the client’s ecosystem. If you want to be a part of the automotive market transformation and would like to contribute – this is the place and time! Responsibilities Design and build cloud-native applications using Java and Spring on top of AWS (EKS, SQS, SNS) Create world-class solutions using microservices-based architectures utilizing the DevOps culture approach Leverage DBs (DynamoDB), storage, and APIs into cloud applications and integrate with external services Cooperate with client’s team to optimize and improve existing solutions Actively participate in Scrum ceremonies and other meetings with the client, Product Owner, or Technical Leaders Research, recommend, and integrate solutions to solve architectural and development challenges Ensure that designs meet performance, security, usability, reliability, and scalability requirements Deep understanding and validation of business requirements to create an optimal solution Requirements 5+ years of professional experience with Spring and Java Hands-on experience in building cloud-native applications using microservices and cloud deployment Working knowledge of Git, Kafka, Terraform Experience using JIRA and Confluence Experience in SCRUM or SAFE agile framework Good communication skills, openness Analytical thinking and problem-solving skills Flexibility to travel to customer workshops when needed Very good command of English, both written and spoken (B2+/C1) Nice to have Knowledge of JavaScript/TypeScript Experience in using AI/LLM-powered tools in a professional context (e.g. ChatGPT with IntelliJ, Copilot, OpenCode) Benefits of joining Grape Up Non-corporate work environment among experienced engineers Individual growth & development plan supported by cyclical feedback sessions Access to knowledge platforms (e.g. Pluralsight) Equipment of your choice In-house business and tech trainings, and meetups Financing of conferences, external trainings, and certifications Language lessons (English, German and Polish for foreigners) LuxMed private medical care, MultiSport Mental health care with Wellbee Weekly Lunch & Learn where we meet up in the office, lunch together, and share our knowledge Employee referral program Rewards for the success of the month and year awarded by our employees Integration activities & trips Business travel opportunities to the USA, Spain, Germany, Ireland, and many other destinations

🏢 Summary: Development of a cloud-native vehicle connectivity platform using Java and Spring on AWS, focused on microservices and enterprise integrations. The role involves designing, building, and maintaining scalable backend services integrated with multiple internal and external systems. The position requires active participation in DevOps-driven delivery within an agile environment. 🗂️ Requirements: 5+ years of experience with Java and Spring, Hands-on experience building cloud-native microservices, Experience with AWS services (EKS, SQS, SNS), Experience with DynamoDB, Working knowledge of Git, Experience with Kafka, Experience with Terraform, Experience with JIRA and Confluence, Experience working in Scrum or SAFe 📃 Skills: Java, Spring, AWS, EKS, SQS, SNS, DynamoDB, Microservices, Git, Kafka, Terraform, JIRA, Confluence, Scrum, SAFe 🏢 Description: Grape Up is a consulting and technology company that helps enterprises build their most critical applications using cloud-native technologies and modern software delivery practices. In collaboration with a legendary sports car manufacturer, we are building modern enterprise cloud solutions. Our team is responsible for implementing and maintaining the vehicle’s primary connectivity service – a central gateway for booking and managing mobile data packages within the vehicle. As a part of the complex architecture, it has various integrations with both the front-end and back-end services within the client’s ecosystem. If you want to be a part of the automotive market transformation and would like to contribute – this is the place and time! Responsibilities Design and build cloud-native applications using Java and Spring on top of AWS (EKS, SQS, SNS) Create world-class solutions using microservices-based architectures utilizing the DevOps culture approach Leverage DBs (DynamoDB), storage, and APIs into cloud applications and integrate with external services Cooperate with client’s team to optimize and improve existing solutions Actively participate in Scrum ceremonies and other meetings with the client, Product Owner, or Technical Leaders Research, recommend, and integrate solutions to solve architectural and development challenges Ensure that designs meet performance, security, usability, reliability, and scalability requirements Deep understanding and validation of business requirements to create an optimal solution Requirements 5+ years of professional experience with Spring and Java Hands-on experience in building cloud-native applications using microservices and cloud deployment Working knowledge of Git, Kafka, Terraform Experience using JIRA and Confluence Experience in SCRUM or SAFE agile framework Good communication skills, openness Analytical thinking and problem-solving skills Flexibility to travel to customer workshops when needed Very good command of English and Polish, both written and spoken (B2+/C1) Nice to have Knowledge of JavaScript/TypeScript Experience in using AI/LLM-powered tools in a professional context (e.g. ChatGPT with IntelliJ, Copilot, OpenCode) Benefits of joining Grape Up Non-corporate work environment among experienced engineers Individual growth & development plan supported by cyclical feedback sessions Access to knowledge platforms (e.g. Pluralsight) Equipment of your choice In-house business and tech trainings, and meetups Financing of conferences, external trainings, and certifications Language lessons (English, German and Polish for foreigners) LuxMed private medical care, MultiSport Mental health care with Wellbee Weekly Lunch & Learn where we meet up in the office, lunch together, and share our knowledge Employee referral program Rewards for the success of the month and year awarded by our employees Integration activities & trips Business travel opportunities to the USA, Spain, Germany, Ireland, and many other destinations

🏢 Summary: The offer is for a DevOps/Cloud Engineer role focused on building, operating, and improving an AWS-based on-prem data platform for large-scale engineering and R&D workloads. The position centers on Kubernetes cluster management, infrastructure as code, and CI/CD automation to ensure platform scalability, reliability, and observability. The role involves close collaboration with data engineering teams to support workload migration and platform enhancements. 🗂️ Requirements: Hands-on experience with AWS services (VPC, EC2, EKS, ECS, S3, IAM, Cognito), Strong production experience with Kubernetes, Practical knowledge of Infrastructure as Code tools (Terraform, CloudFormation), Experience with CI/CD pipelines and deployment automation (ArgoCD, GitHub Actions, GitLab CI/CD), Proficiency in Python, Experience automating infrastructure and platform operations 📃 Skills: AWS, Kubernetes, Terraform, CloudFormation, ArgoCD, GitHub, GitLab, Python, VPC, EC2, EKS, ECS, S3, IAM, Cognito 🏢 Description: Grape Up is a consulting & technology company helping enterprises create the most important applications by leveraging AI & cloud-native technologies and modern ways of delivering software. Our projects are based on cooperation with international clients from government and industries such as automotive, insurance and finance. In cooperation with our client, we are building and operating an on-prem data platform used for large-scale engineering and R&D data processing. Our role focuses on AWS-based infrastructure with Kubernetes, automation, and close collaboration with data engineering teams to ensure scalability and reliability. Responsibilities Maintain, operate, and continuously improve an AWS infrastructure using Terraform code Deploy, configure and manage multiple Kubernetes clusters Develop and maintain CI/CD pipelines and deployment processes using GitHub Actions, Gitlab CI/CD or ArgoCD Ensure high platform reliability, scalability, and observability through proper monitoring and logging solutions Automate infrastructure and platform operations using Python, including scripts or Ansible playbooks Collaborate closely with platform users and developers to support migration of workloads and improve observability and security Requirements Experience with AWS services (VPC, EC2, EKS, ECS, S3, IAM, Cognito and others) Strong hands-on experience with Kubernetes in production environments Solid knowledge of IaC tools (Terraform, CloudFormation) Experience with CI/CD pipelines and deployment automation (ArgoCD, Github Actions, Gitlab CI/CD or similar tools) Proficiency in at least one programming language – preferably Python Good communication skills, both written and spoken Good command of English (B2+/C1) Fluency in Polish (min. B2 level) Nice to have Experience with Azure, especially with AKS, VNet and Entra ID Knowledge of monitoring and logging in distributed systems (CloudWatch, Prometheus, Grafana, OpenTelemetry or equivalents) Experience supporting developers and platform users Benefits of joining Grape Up Non-corporate work environment among experienced engineers Individual growth & development plan supported by cyclical feedback sessions Access to knowledge platforms (e.g. Pluralsight) Equipment of your choice Financing of conferences, external trainings, and certifications Language lessons (English, German and Polish for foreigners) LuxMed private medical care Weekly Lunch & Learn where we meet up in the office, lunch together, and share our knowledge Employee referral program Rewards for the success of the month and year awarded by our employees Special rewards for your years with us (G-Man) Integration activities

🏢 Summary: Development role focused on building and evolving a cloud-native application for the aviation industry in collaboration with an international team. The position involves implementing new features, contributing to architecture decisions, and ensuring high quality through best engineering practices. Work includes close cooperation with client-side teams and participation in technical discussions and product development. 🗂️ Requirements: Hands-on experience building cloud-native applications, Experience with microservices architecture, Experience with cloud deployment, Experience with RESTful APIs, Experience with Git and CI/CD pipelines, Experience with Jenkins, Experience with backend and frontend technologies (Python, Java/Spring, TypeScript, React), Very good English (B2+/C1), Willingness to travel to the UK every 2–3 months 📃 Skills: Python, Java, Spring, TypeScript, React, MaterialUI, Microservices, Cloud, REST, Git, CICD, Jenkins, AWS, Lambda, Databricks, AI, LLM 🏢 Description: Grape Up is a consulting & technology company, helping enterprises create the most important applications by leveraging AI & cloud-native technologies and modern ways of delivering software. In collaboration with a leading company in the aviation industry, we develop software for internal use. You will join a team composed of both Grape Up engineers and client-side specialists. In this role, you will be responsible for implementing new features in a recently released product, as well as contributing to its further evolution. Beyond feature development, you will actively participate in shaping the system’s architecture, introducing quality improvements, and promoting best practices and engineering standards across the project. The client’s team is based in the UK. We collaborate with them both remotely and during occasional short business trips. Responsibilities Develop software used in the aviation industry within an international environment Ensure high quality through best practices, testing, and continuous improvement Contribute to application architecture design and technical decision-making Collaborate closely with developers, QA engineers, and cross-functional teams Participate in meetings with the client and Product Owner Analyze business needs and translate them into technical requirements Requirements 3+ years of experience in Python and React Knowledge of Typescript, Material-UI Hands-on experience in building cloud-native applications using microservices and cloud deployment Experience with RESTful APIs to connect the app with backend services Experience with modern development tools (Git, CI/CD, Jenkins) Very good command of English, both written and spoken (B2+/C1) – daily collaboration within the team takes place in English Fluency in Polish (min. B2 level) Good communication skills, openness Self-reliance, determination, assertiveness Willingness to travel for business to the UK every 2–3 months for short, single-day trips Nice to have Experience in building serverless applications (AWS Lambda) Knowledge of Java Experience in Databricks Experience in using AI/LLM-powered tools in a professional context (e.g. ChatGPT with IntelliJ, Copilot, OpenCode) Benefits of joining Grape Up Non-corporate work environment among experienced engineers Individual growth & development plan supported by cyclical feedback sessions Access to knowledge platforms (e.g. Pluralsight) Equipment of your choice Financing of conferences, external trainings, and certifications Language lessons (English, German and Polish for foreigners) LuxMed private medical care Weekly Lunch & Learn where we meet up in the office, lunch together, and share our knowledge Employee referral program Rewards for the success of the month and year awarded by our employees Special rewards for your years with us (G-Man) Integration activities

🏢 Summary: The offer is for a Senior Python Developer to design and build cloud-native, AI-driven applications and data platforms using Python and AWS. The role focuses on developing mission-critical services that integrate with AI cloud platforms and support enterprise AI ecosystems. It involves working with modern AI infrastructure, ensuring high code quality, and contributing to agile, cross-functional teams. 🗂️ Requirements: 5+ years of experience in Python web development, Very good knowledge of REST API design and implementation, Hands-on experience with unit and integration testing, Practical experience with AWS services (Lambda, S3, API Gateway, DynamoDB), Very good knowledge of Terraform, Strong understanding of Continuous Integration processes, Experience working in Agile methodologies, Ability to gather and interpret business requirements, B2+/C1 level in English and Polish 📃 Skills: Python, FastAPI, AWS, Lambda, S3, APIGateway, DynamoDB, Terraform, REST, CI, UnitTesting, IntegrationTesting, Bedrock, Azure, VertexAI, LLM, MCP 🏢 Description: At Grape Up, we’re all about leveraging technology to drive software innovation. We’re on the lookout for a talented Python Cloud AI Engineer to join us in this mission. We partner with industry leaders in the automotive and aviation to build sophisticated Data & Analytics platforms that support production machine learning and AI use cases. As part of our team, you’ll have the opportunity to design and implement mission-critical services that handle everything from AI model governance to MCP gateway. Your work will integrate with key systems, forming the backbone of an entire AI enterprise ecosystem. Responsibilities Design and build cloud-native applications using Python with FastAPI and AWS services Integrate with various AI cloud services (like AWS Bedrock, Azure Foundry or Google Vertex AI) Design and operate modern AI infrastructure that brings frontier LLMs, MCP, and agentic capabilities into the hands of every developer and user in the company. Ensure the code is robust, clean, and well-tested with unit and integration tests Participate in code reviews, share knowledge, and collaborate with an international, cross-functional team Be an active participant in agile ceremonies and drive every sprint to success Drive team efficiency by bringing in effective tools, refining processes, and offering technical mentorship Requirements Proficiency in Python for web development (5+ years) Very good knowledge of REST API Hands-on experience with unit and integration testing, and mocking libraries Practical experience with AWS services (e.g. Lambda, S3, API Gateway, DynamoDB) Very good knowledge of Terraform Very good understanding of Continuous Integration processes and their importance Very good understanding of software development methodologies and agile Ability to gather and interpret business requirements and UX aspects effectively Good command of English and Polish (B2+/C1) Strong communication skills Nice to have Experience with microservices architecture, including design, implementation, and maintenance Experience with AI platforms and services Knowledge of building tools (Webpack) Experience with writing automation tests Benefits of joining Grape Up Non-corporate work environment among experienced engineers Individual growth & development plan supported by cyclical feedback sessions Access to knowledge platforms (e.g. Pluralsight) Equipment of your choice Financing of conferences, external trainings, and certifications Language lessons (English, German and Polish for foreigners) LuxMed private medical care Weekly Lunch & Learn where we meet up in the office, lunch together, and share our knowledge Employee referral program Rewards for the success of the month and year awarded by our employees Special rewards for your years with us (G-Man) Integration activities

🏢 Summary: Senior backend engineering role focused on designing and operating large-scale batch and streaming data pipeline platforms with strong reliability and performance requirements. The position involves building distributed systems, pipeline orchestration services, and cloud-native platform capabilities using Java and modern data technologies. The role also includes technical leadership, CI/CD improvements, and collaboration across international engineering teams. 🗂️ Requirements: Strong backend engineering experience with Java, Experience building production-grade distributed systems, Expertise in software architecture and system design, Experience with high-throughput and low-latency systems, Knowledge of REST APIs and microservices, Hands-on experience with AWS and cloud-native design, Experience with Docker and Kubernetes, Experience with Flink, Spark, or Kafka, Familiarity with CI/CD pipelines and DevOps practices, Experience with Jenkins, GitLab, Git, and JIRA, Strong communication skills 📃 Skills: Java, Flink, Spark, Kafka, AWS, EMR, S3, REST, Microservices, Docker, Kubernetes, Jenkins, GitLab, Git, JIRA, HTTP 🏢 Description: The Pipeline Management team builds and operates a core platform that powers large-scale batch and streaming data pipelines across HERE’s Data Platform. Our platform enables internal teams and customers to design, deploy, and operate data pipelines at scale, supporting mission-critical workloads with strong reliability and performance requirements. Lead the design and development of pipeline management services and APIs Own and evolve key platform components, including pipeline orchestration, scheduling, and workflow state management Drive architecture for high-throughput, low-latency distributed systems Partner with Product and engineering teams to deliver scalable data platform capabilities Mentor engineers and provide technical leadership across a distributed team Improve system reliability, observability, and SLA adherence for production services Contribute to CI/CD, automation, and engineering best practices across the platform Technology Stack: You will work with a modern data platform ecosystem including: Data Processing: Apache Flink, Apache Spark Backend & Services: Java (primary), REST APIs, microservices Streaming & Messaging: Apache Kafka Cloud & Infrastructure: AWS (EMR, S3) Platform Services: Pipeline Service, Scheduler, State Service, Coordinator CI/CD & Tooling: Jenkins, GitLab pipelines, Git, JIRA Who are you? Strong backend engineering experience with Java (preferred), building production-grade distributed systems Expertise in software architecture and system design Experience building and operating high-throughput, low-latency, highly reliable distributed systems Solid understanding of REST APIs, HTTP, and microservices architectures Hands-on experience with cloud platforms (AWS preferred) and cloud-native design Experience with containerization and orchestration (Docker, Kubernetes) Experience with data processing and streaming systems (e.g., Flink, Spark, Kafka) Strong familiarity with CI/CD pipelines and engineering tools (e.g., Jenkins, GitLab, Git, JIRA) Experience applying DevOps practices to improve system reliability and delivery velocity Strong communication skills with the ability to clearly explain complex concepts Nice to Have Experience with pipeline orchestration platforms or workflow engines Exposure to large-scale data platforms or multi-tenant systems Experience with cloud platform migrations or modernization initiatives What we offer: Work on on globally deployed automotive navigation and mapping products Collaboration with an experienced, international engineering organization Truly international team of fantastic & talented people from 60+ countries worldwide, working from strong tech hubs located in Europe, the US, and Asia, along with multiple smaller locations Flexible working hours & a flexible approach to office vs. remote work Medical coverage for you and your family Yearly variable bonus This role is eligible for the Creative Tax Incentive scheme in Poland (KUP) Option to work on a B2B contract (please note: benefits, bonus and KUP do not apply in this case)

🏢 Summary: Entry-level Backend Engineer role focused on supporting the development of backend services and REST APIs under senior guidance. The position involves contributing to production systems, writing tested and maintainable code, and collaborating within a cross-functional engineering team. Ideal for candidates with foundational Java experience seeking hands-on experience in scalable and secure systems. 🗂️ Requirements: Bachelor's degree in Computer Science or related field (or currently pursuing), Minimum 0.5 years of Java experience, Practical experience with RESTful APIs, Ability to work with HTTP methods, status codes, and JSON, Experience writing SQL queries (SELECT, JOIN, WHERE, GROUP BY) or using ORM, Basic understanding of SQL and NoSQL differences, Knowledge of data structures and algorithms, Ability to use Git in a team environment (branching, pull requests, merge conflicts), Experience writing unit tests, Experience contributing code to production through review and deployment process 📃 Skills: Java, REST, HTTP, JSON, SQL, NoSQL, ORM, Git, JUnit, Pytest, Jest, CI, Algorithms, DataStructures, APIs, Testing 🏢 Description: (5190) About This Role You will be a part of the Engineering team and reports to our Manager, Engineering. You will support the development of backend services and APIs that power customer’s products. Working under close guidance from experienced engineers, you will gain hands-on experience contributing to real-world systems while learning best practices in software development, scalability, and security. Key Responsibilities Support the development of backend services and APIs under direct supervision of senior engineers Assist with writing clean, maintainable, and well-documented code following team standards Help debug, test, and troubleshoot backend systems and services Contribute to small tasks or components within larger projects Collaborate with cross-functional teams including Frontend, Product, and DevOps Participate in code reviews and apply feedback to improve technical skills Assist in writing unit tests and validating functionality Document technical processes and development work Required Qualifications Bachelor's degree in Computer Science or a related field; Currently pursuing is also an option Strong theoretical knowledge of Java, at least 0.5 years of experience Practical experience building and consuming RESTful APIs — HTTP methods, status codes, JSON, request/response handling, basic error handling. Working knowledge of databases — has written real SQL queries (SELECT, JOIN, WHERE, GROUP BY) or used an ORM in production code; understands the difference between SQL and NoSQL at a basic level. Solid understanding of data structures and algorithms — arrays, hash maps, trees, basic Big-O analysis — sufficient to discuss simple coding problems and reason about correctness. Comfortable with Git in a team setting — branching, pull requests, code review, addressing feedback, resolving merge conflicts; has worked in a shared repository with at least one other developer. Hands-on experience writing unit tests for their own code (pytest, JUnit, Jest, or equivalent), and basic familiarity with how testing fits into a CI pipeline. Demonstrated ability to ship code to production — even small features or bug fixes — through a real review and deployment process; ability to clearly describe what they built, how it was reviewed, and how it was tested. Genuine interest in cryptocurrency, blockchain, or Web3 (self-taught is fine — owning crypto, reading, side projects, hackathons) and willingness to learn the regulated FinTech context; English level: Upper-intermediate or higher, sufficient for daily team communication and code review discussions. Bonus: exposure to Linux / command line, Docker basics, message queues (Kafka, RabbitMQ), cloud platforms (AWS, GCP), open-source contributions, hackathon participation, or an active public GitHub portfolio.

🏢 Summary: Senior Backend Engineer role focused on building and evolving a Core Services platform used across multiple products. The position involves developing backend services in C#/.NET, improving existing systems, resolving production issues, and driving technical standards in a cloud environment. You will work on integrations, performance optimization, and shared platform capabilities. 🗂️ Requirements: 5+ years of experience building production software, Strong backend development experience with C#, Strong experience with .NET, Hands-on experience with PostgreSQL, Hands-on experience with MongoDB, Experience working with cloud environments, Proficiency with Git, Ability to work within codebases including frontend/UI layers 📃 Skills: C#, .NET, PostgreSQL, MongoDB, AWS, Git, Docker, CI/CD 🏢 Description: OEC creates automotive technology , helping repair shops, auto part distributors, and manufacturers run their businesses more effectively and profitably. We increase efficiency across the automotive aftermarket, OEM, collision, mechanical, and supply chain spaces by connecting repair shops, dealers, parts distributors, and manufacturers. We are hiring a senior engineer to work on the Core Services platform used by multiple products in our ecosystem. You will build new services, clean up weak areas in existing code, and help set technical direction. What you will actually do Build and ship backend features in C# / .NET/ Diagnose production issues across APIs, data, and integrations, then deliver permanent fixes. Design and implement integrations between internal services and external systems. Improve service performance, reliability, and operability in a cloud environment. Drive code quality through design reviews, PR feedback, and engineering standards. Partner with other engineers to break down and deliver complex platform work. What we expect 5+ years building production software. Strong backend engineering experience with C# and .NET. Ability to work comfortably in a codebase that includes frontend/UI layers when needed. Hands-on experience with PostgreSQL and MongoDB. Cloud knowledge is required; AWS is preferred. Git is required. Nice to have CI/CD ownership experience. Docker/container-based workflows. Experience in platform or shared-services teams. Tooling AI-assisted development is supported in daily work. Claude Code and GitHub Copilot are included and actively used by the team.

🏢 Summary: Engineering role focused on maintaining and improving a production Ruby on Rails system in a sustainability-focused product. The position involves triaging client requests, resolving full-stack production incidents, and collaborating with Product and Customer teams in a dynamic, ticket-driven environment. It emphasizes system reliability, root-cause analysis, and continuous improvement of support processes. 🗂️ Requirements: 5+ years of Ruby on Rails experience, Strong experience with production systems, Ability to debug and perform root-cause analysis, Full-stack capability (backend, integrations, basic infrastructure), Experience handling incidents and production issues, Ability to work in on-call rotations, Experience with CI/CD pipelines, Experience with cloud infrastructure, Strong understanding of relational databases 📃 Skills: Ruby, Rails, Hotwire, Turbo, AWS, Docker, PostgreSQL, Datadog, GitHub, CI/CD, Jira, Slack 🏢 Description: Do you care about making an impact on sustainability? Help consumers and brands better understand their environmental impact and make better choices for the planet! 🌎 This role sits at the intersection of engineering, product, and client interaction. You will work in a dynamic, ticket-driven environment where priorities shift based on real usage, incidents, and business needs. What you’ll do: Handle and triage incoming client requests (Jira, Slack, calls) Investigate and resolve incidents across the full stack (backend, frontend, integrations) Work on production issues - from quick fixes to deeper root-cause analysis Collaborate with Product and Customer teams to understand and address user needs Implement small improvements and fixes independently Contribute to improving incident handling and support processes Participate in on-call rotations and ensure system reliability Provide technical input on feasibility and impact of client requests Tech stack: Ruby on Rails (monolith) Hotwire / Turbo AWS Docker GitHub Actions (CI/CD) PostgreSQL Datadog What are we looking for? 🎯 5+ years of experience with Ruby on Rails Strong experience working with production systems Excellent debugging and problem-solving skills Ability to work across the stack (backend, integrations, basic infra) Strong ownership and communication skills Comfortable working in a dynamic, reactive environment Nice-to-have: Experience in support / maintenance / -like roles Familiarity with monitoring tools (e.g. Datadog) Experience with AWS What you get: Real impact on system stability and client experience High ownership and autonomy in decision-making Exposure to a wide range of technical challenges Close collaboration with product and client-facing teams Opportunity to deeply understand how the system behaves in production A role suited for engineers who enjoy problem-solving over repetitive feature delivery It is not the best fit if: You are looking for a purely feature-driven role with long-term, predictable roadmaps You get frustrated by frequent context switching or changing priorities You expect a clean, well-structured codebase with minimal technical debt Sounds like a fit? Let’s talk! 🚀