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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 seeking a Senior Full Stack Developer (Angular & Node.js) to deliver modern web experiences and backend services for an enterprise AI-driven platform. You will build Angular UI, NestJS RESTful APIs, and PostgreSQL-backed services, including streaming solution integration, while owning delivery in Agile and reinforcing testing and CI/CD.

Apply now to take features from concept to production.

Responsibilities

Build, validate, and release new capabilities across the full stack Design responsive, accessible Angular interfaces and wire them to NestJS APIs Create RESTful microservices that cover session handling, streaming capabilities, and platform integrations Define and optimize PostgreSQL schemas, queries, and ORM-based data access layers Write and maintain unit and integration tests to keep reliability high Support CI/CD pipeline development and follow application security standards Debug and remediate issues across UI, API, and database layers Partner with product managers, UX designers, and platform engineers to deliver end-to-end features Conduct code reviews and help maintain consistent team coding standards Requirements Professional experience of 5+ years of experience in software development Strong proficiency with Angular, TypeScript, HTML5, CSS3, and responsive design principles Proven expertise in NestJS, Node.

js, RESTful API creation, and PostgreSQL performance tuning Solid knowledge of TypeORM and relational database design best practices Practical understanding of RxJS, state management approaches (Ng. Rx or equivalent), and asynchronous UI patterns Experience creating reusable UI components and shared Angular libraries within monorepo setups Working experience with Jest and Karma/Jasmine for unit and integration testing Proficiency with Git-based workflows and CI/CD practices Understanding of JWT, OAuth/OIDC, and security fundamentals for authentication/authorization Capability to switch across multiple codebases and solve issues end to end English skills at B2 (Upper-Intermediate) level or above Nice to have Experience with Docker, microservices design, and cloud environments (Azure or AWS) Knowledge of real-time or streaming APIs like SSE Experience integrating AI or LLM technologies, including multi-agent systems and workflow-driven conversational tools Familiarity with 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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