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Senior Software Engineer - Java 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 Software Engineer - Java role

Explore Senior Software Engineer - Java jobs and discover a pivotal career at the heart of modern technology. A Senior Software Engineer specializing in Java is a seasoned professional responsible for designing, developing, and maintaining robust, scalable, and high-performance software systems. This role transcends basic coding, involving deep architectural thinking and end-to-end ownership of complex applications. Professionals in these jobs are instrumental in transforming business requirements into technical solutions, ensuring system reliability, security, and efficiency.

Typical responsibilities for a Senior Java Engineer encompass the full software development lifecycle. They architect and implement backend services, microservices, and APIs, often using frameworks like Spring Boot. A core duty is designing scalable system architectures, making critical decisions on data storage with SQL (e.g., PostgreSQL) and NoSQL (e.g., MongoDB) databases. They write clean, maintainable, and well-tested code while enforcing best practices through code reviews. These engineers also optimize application performance, troubleshoot complex issues, and ensure seamless integration with front-end systems and third-party services. Furthermore, they frequently collaborate with cross-functional teams, including product managers, DevOps, and quality assurance, to deliver cohesive products. Leadership is a key aspect, as they mentor junior developers, lead technical discussions, and contribute to strategic planning.

The typical skill set required for Senior Software Engineer - Java jobs is comprehensive. A strong foundation in core Java, object-oriented design, and design patterns is essential. Proficiency with enterprise frameworks (Spring, Hibernate), RESTful API design, and microservices architecture is standard. Experience with cloud platforms (AWS, Azure, GCP) and containerization tools like Docker and Kubernetes is increasingly important. These roles demand expertise in build tools (Maven, Gradle), version control (Git), and CI/CD pipelines. Beyond technical acumen, successful candidates possess strong problem-solving abilities, excellent communication skills for articulating technical concepts, and a proactive approach to learning new technologies. A bachelor’s degree in computer science or a related field, coupled with 5+ years of progressive development experience, is commonly expected.

Ultimately, Senior Software Engineer - Java jobs are for those who thrive on technical challenges and leadership. It is a career path defined by building foundational business logic, driving innovation, and ensuring the technical excellence of software products that power organizations worldwide.