Senior Java Fullstack Developer
Summary
Build and maintain scalable Java microservices with Spring Boot, contribute across the full SDLC, and mentor junior developers while using AI-assisted tools.
What You’ll Do
- Design, develop, and maintain scalable microservices using Java 17/21 and Spring Boot 3.5.
- Contribute across the full SDLC—analysis, coding, testing, and deployment.
- Adopt Agile and DevOps practices, including TDD, CI/CD, and automated testing (JUnit, Cucumber).
- Collaborate with QA to ensure high code quality and development velocity.
- Resolve incidents, monitor systems, and manage problems as part of on-call support (Level 3).
- Develop automated tools to improve support and operational efficiency.
- Mentor junior team members and drive innovative solutions for complex business challenges.
- Leverage AI-assisted coding tools (e.g., GitHub Copilot) to accelerate development.
- Translate functional requirements into technical solutions.
Requirements
- 6+ years of hands‑on Java development (Java 17/21, Spring Boot 3.5).
- DevSecOps knowledge, including pipeline setup and maintenance.
- TDD expertise (JUnit, Cucumber) and CI/CD implementation.
- PostgreSQL proficiency; familiarity with Oracle is a plus.
- Frontend skills (Angular 17, TypeScript, HTML5) for full‑stack candidates.
- Cloud experience (GCP/AWS) for deployment and management.
- Messaging systems (REST APIs, MQ/Solace).
- In-memory data stores (Redis, Hazelcast, or similar).
- Automation tools (Ansible, scripting).
We offer
- Hybrid work from Kraków
- A full‑time contract with possibility to choose the form of employment (UoP/B2B)
- Stable and long‑term cooperation
- Support of a dedicated manager and Career Management team
- A clearly defined career path and the possibility of development in four areas: Project Manager, Business Manager, Technical Leader and a specialist in their field.
- Participation in company conferences, trainings, workshops, integration meetings, etc.
- Certification and training opportunities
- Opportunity to relocate and work in different ALTEN Polska branches
- Medicover medical care
- Medicover Benefits platform / Medicover Sport card
- Employee referral program
- Layette for a newborn employee’s child
- Group life insurance