Senior Fullstack Engineer (React & Java/Kotlin)
⚲ Warszawa
17 000–24 900 zł netto (+ VAT) / mies.
Wymagania
- Java
- Kotlin
- React.js
- TypeScript
- REST API
- Swagger
- OAuth 2.0
- OpenID Connect
- AI
Opis stanowiska
Nasze wymagania:
strong commercial experience with Java and Kotlin,
proven experience designing, building, and maintaining REST APIs,
hands-on experience with API-first design and OpenAPI / Swagger,
very good knowledge of React and TypeScript,
solid understanding of distributed systems and system-to-system integrations,
practical knowledge of OAuth 2.0 and OpenID Connect,
practical experience using AI-powered assistants (e.g. Claude Code, GitHub Copilot, Cursor) to improve productivity, quality, or decision-making in software delivery,
experience making architectural decisions and leading technical discussions,
experience defining development standards and providing technical leadership within a team,
strong communication and collaboration skills,
English at min. B2 level,
Polish at min. B1 level,
willingness to visit the client's office in Warsaw 1–2 times per quarter.
Work from Poland and a work permit are required.
Mile widziane:
experience with data security and regulatory compliance, particularly GDPR,
experience with B2B integrations and working with external business partners,
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 (e.g. agent-based workflows, automation patterns, AI-augmented development), with a willingness to explore and experiment beyond standard approaches.
Zakres obowiązków:
designing and developing APIs enabling integrations with external business partners,
taking a technical lead in integration architecture and contributing to key architectural decisions,
defining API contracts and following an API-first approach using OpenAPI / Swagger,
developing backend services using Java and Kotlin,
building modern web applications using React and TypeScript,
defining and promoting software development standards and best practices,
preparing and maintaining technical documentation,
leading technical discussions and supporting the team in making sound engineering decisions,
working with distributed systems and complex system integrations,
participating in the on-call rotation.
Oferujemy:
Development budgets of up to 6,800 PLN,
We fund certifications e.g.: AWS, Azure, ISTQB, PSM,
Access to Udemy and Safari Books Online,
Events and technology conferences,
Technology Guilds,
Internal training,
Xebia Upskill,
Private medical healthcare,
MultiSport card - we subsidise a MultiSport card,
Mental Health Support,
Flexible working hours,
B2B or employment contract,
Contract for an indefinite period.
strong commercial experience with Java and Kotlin,
proven experience designing, building, and maintaining REST APIs,
hands-on experience with API-first design and OpenAPI / Swagger,
very good knowledge of React and TypeScript,
solid understanding of distributed systems and system-to-system integrations,
practical knowledge of OAuth 2.0 and OpenID Connect,
practical experience using AI-powered assistants (e.g. Claude Code, GitHub Copilot, Cursor) to improve productivity, quality, or decision-making in software delivery,
experience making architectural decisions and leading technical discussions,
experience defining development standards and providing technical leadership within a team,
strong communication and collaboration skills,
English at min. B2 level,
Polish at min. B1 level,
willingness to visit the client's office in Warsaw 1–2 times per quarter.
Work from Poland and a work permit are required.
Mile widziane:
experience with data security and regulatory compliance, particularly GDPR,
experience with B2B integrations and working with external business partners,
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 (e.g. agent-based workflows, automation patterns, AI-augmented development), with a willingness to explore and experiment beyond standard approaches.
Zakres obowiązków:
designing and developing APIs enabling integrations with external business partners,
taking a technical lead in integration architecture and contributing to key architectural decisions,
defining API contracts and following an API-first approach using OpenAPI / Swagger,
developing backend services using Java and Kotlin,
building modern web applications using React and TypeScript,
defining and promoting software development standards and best practices,
preparing and maintaining technical documentation,
leading technical discussions and supporting the team in making sound engineering decisions,
working with distributed systems and complex system integrations,
participating in the on-call rotation.
Oferujemy:
Development budgets of up to 6,800 PLN,
We fund certifications e.g.: AWS, Azure, ISTQB, PSM,
Access to Udemy and Safari Books Online,
Events and technology conferences,
Technology Guilds,
Internal training,
Xebia Upskill,
Private medical healthcare,
MultiSport card - we subsidise a MultiSport card,
Mental Health Support,
Flexible working hours,
B2B or employment contract,
Contract for an indefinite period.
🔍 Dekoder Ogłoszenia
✓ Ogłoszenie wygląda transparentnie — brak typowych czerwonych flag.