Senior Full-Stack Engineer (Java & React) in Katowice

About the role

In this role, you'll build backend services in Java for consumer products used across our Canadian and UK markets, while also contributing to React frontends as part of full-stack feature development. You'll design and own Java services, with some frontend work to help bring those services to life. You'll take ideas from concept to production, working closely with engineers, designers, and product partners to shape how customers experience the platform. Responsibilities

Design, build, and maintain scalable Java-based RESTful APIs and microservices powering our Canadian and UK consumer products Develop full-stack features end-to-end, connecting Java backends with React and TypeScript frontends Partner with product managers, designers, and engineers across the organization to shape solutions and align on priorities Contribute to technical design discussions, weighing trade-offs and proposing approaches for new architecture Own backend services from initial concept through deployment and ongoing production support Apply best practices in security, performance optimization, and code quality to keep systems maintainable and highly available Troubleshoot complex production issues, using observability and monitoring tools to diagnose system health Share technical expertise through architecture discussions and hands-on mentorship Requirements

5+ years of production experience building Java, RESTful APIs, microservices, and distributed systems Practical understanding of CI/CD pipelines, automated testing, and production service management Strong problem-solving and communication skills, with the ability to collaborate effectively in a fast-paced, iterative environment Upper-intermediate level of English or higher for collaboration with international teams Familiarity with cloud platforms (AWS, GCP, or Azure) and containerization tools such as Docker and Kubernetes is a plus Hands-on experience with server-side TypeScript frameworks such as Remix, Next.js, or Express is a plus SoftServe is an equal opportunity employer. Qualified applicants will receive consideration regardless of race, color, ancestry, ethnicity, national origin, religion, sex, sexual orientation, gender identity or expression, age, citizenship, disability, health condition, marital or family status, veteran status, or any other characteristic protected by applicable law. About us

We are a digital engineering and technology consulting company where expertise grows alongsidepeople. For more than 30years, we have been elevating technology: helping organizations navigate complex businesschallenges by combining deepengineering knowledge with thoughtful, research-backed innovation. Our teams work across keyareas: digitalengineering, data and analytics, Сloud, and AI/ML. In each, we deliver practical, scalablesolutions rooted in realbusiness needs and measurable human impact. You bring your perspective and ambition. We create an environment where your work meetsclarity, confidence, andpurpose. We offer

Work from home, from the office, or in a hybrid format that supports focus and collaboration. Competitive, market-based pay, benchmarked by role andlocation plus health coverage, paid time off, wellness support, and learningopportunities. Approachable leaders who communicate openly, keep teams close to the strategy, andsupport long-term planning. Advanced tech communities

Stay close to AI/ML, Cloud, Quantum Computing, IoT, andRobotics communities, with projects built on modern frameworks. More opportunities available

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