New offer - be the first one to apply!
July 14, 2026
Senior Java Developer
Senior • Remote
Gdansk, Poland
At thyssenkrupp GSG, we’re the backbone of our global IT operations. Our team designs, develops, and supports the IT applications and infrastructure that power worldwide business operations. We build our culture on Trust, Respect, and Empowerment, creating a safe space for open feedback, equal treatment, and autonomy with support to grow.
What You Will Gain
- Drive global impact by working on international projects that shape the digital future of industry.
- Grow your potential with access to cutting-edge tools, technologies, and training.
- Thrive in a team-driven culture where contributions are valued.
- Enjoy work-life balance with flexible working arrangements.
Responsibilities
- Build backend solutions using Java 11+, Java EE, XML integrations, and Oracle DB.
- Develop and maintain the in-house MES (Manufacturing Execution System), connecting SAP systems with local manufacturing process controls across multiple sites.
- Deliver new features and improvements within Scrum and Kanban teams, supporting both large and small projects.
- Ensure code quality through reviews, automated testing, and documentation.
- Work with a modern tech stack including Angular, Kotlin, Maven, Jenkins, Bitbucket, and SonarQube.
Requirements
- 5+ years of experience developing Java-based applications with strong skills in Java 11+ and Java EE / JPA.
- Hands-on experience with application servers including WebLogic and migration to OpenLiberty.
- Experience with EclipseLink, JMS, and REST.
- Experience working with Oracle DB and tools such as Eclipse RCP, Angular, Kotlin, Maven, Jenkins, Bitbucket, and SonarQube.
- Pragmatic, analytical, and solution-oriented approach.
- Fluent English language skills; German is a plus.
Benefits
- Global impact and open culture in a high-tech company shaping industries worldwide.
- Remote work possibilities and flexible hours.
- Supportive onboarding with experienced mentors and clear development paths.
- Access to premium training platforms, foreign language classes, and a personal development budget.
- Private medical care, life insurance, and company sports initiatives.
- Integration budget, interdepartmental teams, and company activities.
- Additional perks including anniversary bonuses, MyBenefit platform, and holiday benefits.
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Senior
Hybrid
Warsaw, Poland
19,000 - 25,000 PLN
🏢 Summary: Senior Java Developer role in an agile, international team focused on designing and building cloud-based backend and fullstack solutions. The position involves architecting scalable systems, ensuring high code quality, and contributing to CI/CD and DevOps practices. The role also includes technical leadership and collaboration with cross-functional teams to deliver secure, high-performance applications. 🗂️ Requirements: Expert knowledge of Java for backend and fullstack development, Experience architecting cloud-based SaaS solutions, Proficiency in automated testing and CI/CD pipelines, Experience with version control systems, Ability to deliver secure and scalable code, Bachelor’s degree in Computer Science, Engineering or related field with 5+ years of experience OR 9+ years of relevant industry experience 📃 Skills: Java, SaaS, CI/CD, Git, AWS, GCP, Azure, Docker, Kubernetes, TypeScript, Python 🏢 Description: About the Role: We are looking for a Senior Java Developer to join an agile, international engineering team working on cloud-based solutions serving diverse industries. As a technical leader, you will design, build, and maintain robust backend and fullstack systems, impacting both product performance and business outcomes. Must Have Expert knowledge of Java (backend/fullstack web development) Experience architecting cloud-based solutions (SaaS platforms or similar) Proficiency in automated testing, deployment pipelines, version control, and CI/CD practices Strong command of English for daily teamwork in multicultural environments Demonstrated ability to deliver secure, scalable, high-quality code Bachelor’s degree in Computer Science, Engineering, or related field with 5+ years of professional experience, OR 9+ years’ relevant industry experience (without degree) Nice to Have Exposure to other technologies (TypeScript, Python, etc.) Experience working with multiple data models and integrating acquired codebases Previous engagement in Agile/Scrum teams (sprint planning, retrospectives, hackathons) Background in industries like energy, IoT, finance, or regulated environments Familiarity with modern cloud platforms (AWS, GCP, Azure) and DevOps practices (Docker, Kubernetes) Your Profile Tech Enthusiast: Keen to learn and apply emerging technologies and best practices Analytical Thinker: Able to define requirements and design effective solutions to complex challenges Product Mindset: Understands how technical decisions influence user experience and business drivers Team Player: Works well in autonomous, distributed teams and supports collaborative engineering culture Key Responsibilities Design and develop Java-based backend and fullstack features for cloud-based applications Contribute to scalable, unified system architectures and help integrate diverse platforms and technologies Write and maintain high-performance, secure code and automated tests to ensure product quality Participate in sprint planning, code reviews, retrospectives, and technical discussions Work closely with product managers and business stakeholders to align technical development with commercial goals Mentor junior engineers and promote continuous improvement in team processes Ready for your next challenge? Send your CV detailing your experience in Java, cloud technologies, and agile teams. Tell us about your approach to system architecture and cross-team collaboration!
Technology
DataArt
Senior Backend Engineer with Java
Senior
Remote
Wroclaw, Poland
16,000 - 19,000 PLN
🏢 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.)
Technology
EPAM Systems
Junior Backend Java Developer
Junior
Hybrid
Krakow, Poland
🏢 Summary: Junior Backend Java Developer role focused on building and maintaining backend features for a large-scale, customer-facing application in a cloud-oriented environment. The position involves developing, integrating, and optimizing services, ensuring high code quality, and supporting system enhancements using modern development tools and practices. The role includes working with RESTful services, databases, and distributed systems within a collaborative engineering team. 🗂️ Requirements: Hands-on experience with Java 8, Java 11 or Kotlin, Working knowledge of SQL databases, Basic knowledge of HTML and CSS, Familiarity with JavaScript, Understanding of client-server architecture, Knowledge of HTTP and RESTful APIs, Knowledge of dependency injection, Experience with API integration, Strong understanding of object-oriented programming, Experience developing business applications with data storage and integration, Experience integrating third-party software solutions, Understanding of data modeling and system integration, Knowledge of unit testing 📃 Skills: Java, Kotlin, SQL, HTML, CSS, JavaScript, HTTP, REST, OOP, API, JUnit 🏢 Description: Are you a passionate Junior Backend Java Developer eager to make an impact? Join EPAM’s dynamic engineering team, where you’ll help create, maintain, and enhance the backend of a large-scale application for a global client in a fast-paced, collaborative environment. You’ll work with modern technologies and contribute to innovative solutions that drive business value for our client’s digital ecosystem. This role offers a hybrid model, with 3 days per week working from the client's office in Kraków, Poland. Ready to launch your career in cloud engineering? Apply now and join our global team! Responsibilities Develop and maintain backend features for a customer-facing application, ensuring seamless integration with multiple service providers Design, implement, and support software patches and new features Write, review, and maintain technical documentation, including design and development artifacts Create applications using standard and cloud-based development tools Test, debug, and update programs to ensure high quality and performance Analyze, review, and modify code to improve efficiency and meet evolving requirements Investigate, document, and resolve technical issues Collaborate with internal teams to define and implement solutions that enhance the provider and customer experience Participate in code refactoring, technical debt reduction, and recommend improvements with a product mindset Maintain the highest standards of development practices, including technical design, solution development, system configuration, test documentation, and clean, modular code Requirements Hands-on experience with Java 8, Java 11, or Kotlin Working knowledge of SQL databases Basic understanding of HTML and CSS Familiarity with JavaScript, especially for debugging client-side request-response flows Experience with client-server architecture, HTTP, and RESTful APIs Knowledge of dependency injection, services, and API integration Strong technical problem-solving skills Solid foundation in object-oriented programming Experience developing business applications, including data storage and application integration Experience implementing, configuring, and integrating third-party software solutions Understanding of information management, data modeling, system integration, and development methodologies (including unit testing) Advanced written and verbal communication skills in English Quick learner with a proactive attitude Nice to have Experience with protocol buffers and gRPC Familiarity with all phases of the Software Development Life Cycle (analyze, design, build, test, implement, support) Experience working on Linux environments We gather like-minded people: Engineering community of industry professionals Friendly team and enjoyable working environment Flexible schedule and opportunity to work remotely within Poland Chance to work abroad for up to 60 days annually Business-driven relocation opportunities We provide growth opportunities: Outstanding career roadmap Leadership development, career advising, soft skills, and well-being programs Certification (GCP, Azure, AWS) Unlimited access to LinkedIn Learning, Get Abstract, Cloud Guru English classes We cover it all: Stable income (Employment Contract or B2B) Participation in the Employee Stock Purchase Plan Benefits package (health insurance, multisport, shopping vouchers) Strategically located offices featuring entertainment and relaxation zones, table tennis and football, free snacks, fantastic coffee, and more Referral bonuses Corporate, social and well-being events Please, note: The set of bonuses might vary based on the role you apply for – specifics will be discussed with our recruiter during the general interview. We will reach out to selected candidates exclusively.