Senior Angular & Node.js Full-Stack Engineer (AI Platform)

EPAM Systems, Inc.; Kraków; On-site; PLN 180,000 - 240,000; Full time

Job summary

EPAM Systems, Inc. is seeking 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.

You will collaborate in Agile teams, invest in tests, CI/CD, and security, and contribute to code reviews, performance tuning, and platform improvements across frontend and backend systems.

Qualifications

• 5+ years of software development experience
• Hands-on with Angular, TypeScript, HTML5, CSS3, and responsive design
• Strong NestJS, Node.js, RESTful API creation, and PostgreSQL tuning
• Solid TypeORM and relational DB design
• Experience with RxJS, state management (NgRx or similar), and asynchronous UI patterns
• Proficient with Git workflows and CI/CD
• Knowledge of authentication (JWT, OAuth/OIDC) and security basics
• English at B2 level or higher
• Nice to have Docker, cloud environments (Azure or AWS), streaming APIs, AI/LLM integrations

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

Skills

Angular

TypeScript

HTML5

CSS3

Responsive design

RxJS

NgRx

RESTful API

Git workflows

Tools

NestJS

Node.js

PostgreSQL

TypeORM

Jest

Karma/Jasmine

Nx monorepos

CI/CD

Docker

Job description

EPAM Systems, Inc. is seeking 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.

You will collaborate in Agile teams, invest in tests, CI/CD, and security, and contribute to code reviews, performance tuning, and platform improvements across frontend and backend systems.