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Expert Fullstack Developer (Java, Angular, Microservices)
OPTIVEUM sp. z o.o.
Source: Headcount Labs · original listing ↗
Job data: Headcount Labs, ODbL 1.0. Job descriptions belong to their employers.
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About this role
Own end-to-end feature delivery with Java, Spring Boot, Angular and Kafka for a banking client. Hybrid from Gdańsk or Warsaw, up to 160 PLN/h on B2B. Expert Fullstack Developer (Java, Angular, Microservices) About the Offer We are currently looking for an Expert Fullstack Developer to join the team of our client from the banking industry . For this role, Optiveum is the recruitment and contracting party, which means you will sign the cooperation agreement directly with us. You will take business and technical requirements from analysis through design, implementation, automated testing and deployment, making sure each solution is secure, stable, maintainable and production-ready. The client is looking for long-term cooperation. Key Details: • Rate: up to 160 PLN/h net + VAT (B2B) • Work Model: hybrid – min. 60% office presence • Location: Gdańsk or Warsaw • Key Skills: Java, Spring Boot, Angular, Kafka, Microservices • Application deadline: 11 December 2026 Responsibilities: • Taking end-to-end ownership of feature delivery, from requirements analysis and technical refinement through development, testing, deployment and production verification. • Translating business features into technical designs, implementation approaches, integration changes and test strategies. • Designing, developing, testing and maintaining applications using Java, Spring Boot, Angular, Kafka, SQL, Docker and Kubernetes. • Developing microservices-based solutions and REST APIs, and integrating with internal and external systems. • Building and maintaining automated tests (unit, integration, API, regression), test frameworks and automation scripts. • Analysing and resolving complex defects, incidents, production issues, integration problems and performance bottlenecks. • Remediating security vulnerabilities from SAST, container and dependency scanning and penetration tests, and driving secure coding practices for internet-facing applications. • Owning and improving CI/CD and engineering automation with Git, Bitbucket, Jenkins, Docker and Kubernetes. • Ensuring production readiness, including monitoring, logging, operational documentation and deployment procedures. • Creating and maintaining technical documentation, solution designs and technical decision records. • Providing technical guidance to other developers and contributing to code and design reviews. • Taking part in Agile/Scrum activities and working closely with Product Owners, Analysts, Architects, Security Specialists and Operations. • Using AI tools such as GitHub Copilot and Microsoft 365 Copilot, and contributing to the adoption of AI agents and intelligent automation in the Cards domain. Requirements: • 8+ years of hands-on Full Stack Java development, with a proven ability to deliver features end to end independently. • Strong hands-on experience with Java, Spring Boot , microservices and REST APIs. • Strong experience with Angular and Angular Material. • Experience with Kafka and SQL databases. • Docker, Kubernetes, Git, Bitbucket, Jenkins and CI/CD practices. • Ability to develop and maintain automated tests and scripts (unit, integration, API, regression). • Experience resolving SAST, container scan and dependency vulnerabilities, with good knowledge of secure coding and OWASP. • Strong troubleshooting skills, including production issues, and the ability to take technical ownership. • Agile/Scrum experience. • Basic practical knowledge of AI-assisted development tools (e.g. GitHub Copilot), or a strong willingness to adopt them. • Fluent English. Nice to have: • Experience in banking, cards or payments. • Cloud platforms and cloud-native development. • DevSecOps and vulnerability management. • Performance tuning, monitoring and observability. • Technical mentoring, code reviews and coaching. Specjalizacja / specialism IT Role Full Stack Developer Locations Gdańsk , Warsaw Remote status Hybrid About OPTIVEUM sp. z o.o. Optiveum is a recruitment and consulting company created based on our 20-plus years of experience in HR & IT services. We work for Clients located in Poland and abroad providing our local and international Candidates with Project-based or Permanent job opportunities in a remote or office-based model. COMPANY DATA Optiveum Sp. z o.o. ul. Tomasza Zana 43 lok. 2.1 20-601 Lublin, Poland nr KRS: 0000834436, NIP 7010975729 Contact us at: info (at) optiveum.com Founded in 2020