Xebia sp. z o.o.

Senior Java Developer (legacy project)

100 - 150 PLN/ godz./ godz.B2BB2B (netto)

SeniorZdalnie·WarszawaFull-time·B2B

#460706·Dodano 8 dni temu·12

Źródło: nofluffjobs.com

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Tech Stack / Keywords

JavaAIREST API

Podsumowanie oferty

Develop and improve a mature Java application with a large legacy codebase. You’ll work on its existing architecture, build new features, and help evolve the application.

Wymagania

Senior-level experience in Java development.
Proven experience working with large or legacy codebases.
Ability to quickly understand complex existing systems and navigate established architectural patterns.
Practical experience using AI-powered assistants such as Claude Code, GitHub Copilot, or Cursor to improve productivity, quality, or decision-making in software delivery.
Strong analytical and problem-solving skills, with a pragmatic approach to improving existing solutions.
Confidence in introducing changes to mature applications and taking ownership of technical challenges.
Willingness to work with legacy technology and improve it rather than simply maintain the existing state.
Good communication and collaboration skills and the ability to work effectively in a team.
Good command of English (minimum B2).

Nice to have:

Experience applying GenAI in a more structured way within the SDLC, including defined workflows, prompt patterns, or tool integrations embedded into daily work.
Interest in and familiarity with emerging AI-driven practices, such as agent-based workflows, automation patterns, and AI-augmented development, with a willingness to explore and experiment beyond standard approaches.

Obowiązki

Develop and maintain a mature Java application based on established architectural patterns.
Work with a large and complex legacy codebase and gradually improve its structure and maintainability.
Analyse existing solutions, identify areas for improvement, and introduce changes where they bring value.
Develop new features while ensuring the stability and reliability of existing functionality.
Troubleshoot and resolve issues across different parts of the application.
Contribute to code reviews and testing, and maintain high engineering standards.
Collaborate with other developers in a Scrum-like environment.
Contribute to the technical evolution of the application and help move the legacy solution forward.

Benefity

Training budget.
Private healthcare.
Multisport.
Integration events.
Mental health support.
Referral program.
Canteen.
Free snacks and beverages.
In-house trainings.
In-house hack days.

Dofinansowanie szkoleń

Opieka zdrowotna

Karta sportowa

Spotkania integracyjne

Firmowa stołówka

Darmowe przekąski

Napoje w biurze

Szkolenia wewnętrzne

Inne informacje

Work from the European Union region and a work permit are required.
Recruitment process: CV review, HR call, technical interview, client interview, and decision.

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