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Senior Full Stack Developer (Angular & Node.js)

Krakow, Lesser Poland Voivodeship, PolandGdansk, Pomeranian Voivodeship, PolandFull-timePosted Sep 29, 2026

Job description

We are searching for a Senior Full Stack Developer (Angular & Node.js) to build maintainable full-stack solutions for an enterprise AI-driven platform. You will deliver Angular components, NestJS RESTful microservices, and PostgreSQL-backed features, including streaming integrations, while partnering in Agile and investing in tests, CI/CD, and security.

Apply now and help deliver production-ready features.

Responsibilities

Implement, verify, and deliver new features across frontend and backend systems Develop responsive, accessible Angular UIs that integrate smoothly with NestJS APIs Build RESTful microservices for session handling, streaming capabilities, and platform integrations Architect and tune PostgreSQL schemas, queries, and ORM-based data layers Create and maintain unit and integration tests to protect code quality Support CI/CD pipeline development and align with application security standards Analyze and fix defects from UI through API to database Collaborate with product managers, UX designers, and platform engineers to complete features Perform code reviews and maintain team coding standards Requirements Relevant experience including 5+ years of experience in software development Hands-on skills with Angular, TypeScript, HTML5, CSS3, and responsive design principles Strong expertise in NestJS, Node.

js, RESTful API creation, and PostgreSQL performance tuning Solid grasp of TypeORM and relational database design Experience using RxJS, state management approaches (Ng. Rx or equivalent), and asynchronous UI patterns Proven ability to build reusable UI components and shared Angular libraries in monorepo setups Familiarity with Jest and Karma/Jasmine for testing practices Comfortable use of Git-based workflows and CI/CD practices Understanding of authentication/authorization approaches (JWT, OAuth/OIDC) and security fundamentals Ability to move across multiple codebases and solve problems end to end English language skills at B2 (Upper-Intermediate) level or above Nice to have Experience with Docker, microservices design, and cloud environments (Azure or AWS) Exposure to real-time or streaming APIs like SSE Experience integrating AI or LLM technologies, including multi-agent systems and workflow-driven conversational tools Knowledge of Nx monorepos, feature flag tools, or enterprise portal design Background in session management/observability or experience in energy and utility sectors

Description copied from EPAM Systems's careers page. Read the full posting before you apply.

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