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Senior Java Developer

Natek — Poland · Posted ~3 hours ago

Senior

Skills

Java Spring Boot Docker Kubernetes Apache Kafka Kafka Streams Apache Spark Apache Flink CI/CD SQL NoSQL Security Design Patterns German English Quarkus Jakarta EE

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Summary ✨ AI‑Generated

A senior Java engineering opportunity for an experienced developer who will build and maintain scalable applications and services, implement new capabilities, troubleshoot production systems, and contribute to reliable releases. The role requires strong Java and modern framework expertise alongside Docker, Kubernetes, Kafka, distributed data-processing technologies, CI/CD, databases, and security knowledge. Professional fluency in German and English is required.

Highlights

Senior-level Java role focused on building reliable, secure, and high-performance applications in an energy-sector project. Offers exposure to cloud technologies, Kubernetes, CI/CD, distributed data platforms, and Agile collaboration.

Description

Job Description Join NATEK as a Java Developer and support a project for a client in the energy sector. Your Responsibilities Develop and maintain Java applications and services. Implement new features based on business and technical requirements. Troubleshoot and improve existing solutions. Work with Kubernetes, CI/CD, and cloud environments. Ensure software quality, security, performance, and reliability. Support releases and production systems. Collaborate with technical teams in an Agile environment. Our Requirements Minimum 8 years of professional experience in Java development. Strong expertise in Spring Boot or similar frameworks such as Quarkus or Jakarta EE. Solid experience with Docker and Kubernetes. Extensive knowledge of Apache Kafka and Kafka Streams. Practical experience with Apache Spark and/or Apache Flink. Knowledge of design patterns, CI/CD, and security. Familiarity with SQL and NoSQL databases. German at B2 level and English at C1 level. Proven senior-level experience with relevant recent project experience. Availability to start on short notice. Benefits Internal Mobility Program – enjoy many opportunities for career growth, job rotations, diversity of projects & technologies Referral Program – enjoy cooperation with your colleagues and get a bonus! 5/10 Years NATEK Club – we offer long-term cooperation and celebrate each fifth-year cooperation anniversary with gifts NATEK CSR Events & team buildings – enjoy our values: accountability, partnership and expertise and #workITwithus Education – benefit from our know-how, learning courses and certificates and IT events – be part of the community of leaders of the industry and take part as a speaker or a visitor Multisport Technical and Personal training Language courses Additionally only for COW: Life insurance Bonuses for Personal Events Day off for volunteering