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Senior Java Software Engineer Poland Jobs

17 Job Offers

Senior Software Engineer (Java)
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Join ARQ in Krakow as a Senior Software Engineer (Java) to build scalable backend systems for a fast-growing fintech. Work with Java 25, Spring Boot, and Postgres on greenfield projects. Enjoy stock options and a world-class team.
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ARQ
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Senior Software Engineer (Java) - remote (m/f/n)
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Senior Java engineer role at InPost Group, fully remote. Build FMCG e-commerce microservices with Java 21+, Spring Boot, Kafka and PostgreSQL. Requires Hexagonal Architecture, Kubernetes, OAuth2 and AI coding tools like Claude Code.
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Poland, remote
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Mondial Relay
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Senior Software Development Engineer (Java)
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Join Altium 365 in Katowice as a Senior Software Development Engineer (Java). Build cloud-native applications and scalable infrastructure with AWS, microservices, and distributed systems. Work with Java, Kubernetes, and CI/CD on a platform transforming electronics design.
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Renesas Electronics
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Senior Software Development Engineer (Java)
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Join Altium 365 in Wrocław as a Senior Software Development Engineer (Java). Build cloud-native applications with AWS, microservices, and distributed systems. Collaborate on scalable, high-load solutions for electronics design.
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Renesas Electronics
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Senior Software Development Engineer (Java)
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Senior Software Development Engineer (Java) in Katowice to build cloud-native applications on Altium 365 using Java, AWS, microservices and multi-tenant architecture. Join a collaborative R&D team driving innovation in electronics design.
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Renesas Electronics
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Senior Software Development Engineer (Java)
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Senior Java engineer role in Wrocław building cloud-native applications on Altium 365. Work with Java, AWS, microservices and multi-tenant architecture on high-load distributed systems. Requires backend API design, MySQL, Docker and Kubernetes experience.
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Renesas Electronics
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Senior Java Developer (Senior Software Engineer)
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Sopra Steria
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Senior Java Software Engineer with GCP/ IBS
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Inetum
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Senior Software Development Engineer (Java)
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Renesas Electronics
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Senior Software Development Engineer (Java)
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Renesas Electronics
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Senior Software Engineer (Java + Neo4j)
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Sopra Steria
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Senior Java Software Engineer
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Sportradar
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Senior Software Engineer (Java)
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Edvantis
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Senior Software Engineer (Java + Neo4j)
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Senior Software Engineer (Java + Neo4j) sought for Sopra Steria Polska’s aeronautical project. You will design high-quality solutions in a multinational team (France, Poland, Canada, India). Requires 4+ years’ experience with Java 8–21, Neo4j 4.4–5.X, Spring, and ElasticSearch. Based in Katowice ...
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12000.00 - 16000.00 PLN / Month
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Sopra Steria
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Senior Software Engineer FS (Java, JavaScript)
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Senior Software Engineer (Java, JavaScript) sought to build large-scale web apps for a global research platform. You’ll own full-stack features end-to-end, using Java, Spring, and Agile practices. This remote-first role offers flexible hours, offices in Rzeszów, competitive pay, 18 vacation days,...
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Edvantis
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Senior Java Software Engineer
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Senior Java Software Engineer sought by Sportradar, the world’s leading sports technology company, to design and operate high-performance, distributed systems in Warsaw. You will own complex initiatives, mentor peers, and drive engineering excellence using Java, AWS, Kafka, and Kubernetes. This r...
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Sportradar
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Senior Java Software Engineer
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Senior Java Software Engineer sought to design and operate scalable, high-performance distributed systems for Sportradar’s global sports data and betting ecosystem. Leverage 5+ years of Java expertise, AWS, Kafka, and Kubernetes to own complex initiatives in a cloud-native environment. Based in W...
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Sportradar
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About the Senior Java Software Engineer role

Discover and apply for Senior Java Software Engineer jobs, a pivotal role at the heart of modern software development. Senior Java Software Engineers are experienced professionals who design, build, and maintain complex, scalable, and high-performance applications that drive business-critical functions across diverse industries. These roles are central to transforming business requirements into robust technical solutions, requiring a deep blend of technical expertise, architectural vision, and leadership.

Professionals in these jobs typically shoulder a wide array of responsibilities. They are responsible for the full software development lifecycle, from analyzing requirements and designing system architecture to writing clean, efficient code, conducting rigorous testing, and deploying applications to production environments. A key aspect of the role is developing and maintaining backend services and APIs, often within a microservices architecture, to ensure seamless integration and data flow. Senior engineers also champion code quality, implementing best practices in coding standards, design patterns, and comprehensive automated testing. Beyond hands-on development, they frequently mentor junior and mid-level developers, conduct code reviews, and collaborate closely with cross-functional teams including product managers, designers, and business stakeholders to align technical execution with strategic goals. Operating within Agile and DevOps frameworks is standard, emphasizing continuous integration, continuous delivery (CI/CD), and a proactive approach to system monitoring and reliability.

The typical skill set for Senior Java Software Engineer jobs is extensive. Core technical proficiency revolves around deep expertise in Java and its core ecosystems, most notably the Spring Framework (Spring Boot, Spring Cloud) for building enterprise-grade applications. Strong experience with RESTful API design and development is fundamental. Today's roles also demand substantial knowledge of cloud platforms like AWS, Azure, or Google Cloud, alongside containerization and orchestration tools such as Docker and Kubernetes. Familiarity with relational and NoSQL databases, messaging systems (e.g., Kafka, Solace), and version control systems like Git is essential. Equally important are the soft skills: excellent problem-solving abilities, strong communication skills for articulating complex technical concepts, and the capacity to work autonomously as well as part of a team. A bachelor's degree in computer science or a related field is commonly expected, coupled with 5+ years of progressive experience in software development.

Ultimately, Senior Java Software Engineer jobs offer a challenging and rewarding career path for those who excel at creating sophisticated software systems. These professionals are the technical anchors of their teams, ensuring the delivery of secure, scalable, and innovative solutions that meet evolving business needs. If you are a seasoned developer with a passion for backend engineering and a drive to lead technical initiatives, exploring Senior Java Software Engineer opportunities is your next strategic career move.