Senior Full Stack Developer (Angular & Node.js)

Required skills: Angular, Node.js, TypeScript, nestJS, REST API, PostgreSQL, RxJS, HTML5 We're seeking a Senior Full Stack Developer (Angular & Node.js) to become part of our team. In this position, you'll architect, develop, and support modern web applications and backend services powering an enterprise AI-driven platform. The role covers frontend interfaces, RESTful API development, database architecture, and streaming solution integration. You'll own features from start to finish while working within a collaborative Agile framework, focusing on scalable, high-quality, maintainable code. Responsibilities Create, code, test, and launch new features spanning both frontend and backend systems Create responsive and accessible Angular interfaces that connect seamlessly with NestJS APIs Build RESTful microservices supporting session handling, streaming capabilities, and platform integrations Design and fine-tune PostgreSQL schemas, queries, and ORM-driven data layers Maintain code reliability and quality through comprehensive unit and integration tests Support CI/CD pipeline development and adherence to application security standards Diagnose and fix issues spanning the entire stack, from UI to API to database Work in close partnership with product managers, UX designers, and platform engineers to deliver complete features Take part in code reviews and uphold team coding standards Requirements 5+ years of experience in software development Demonstrated hands-on skills in Angular, TypeScript, HTML5, CSS3, and responsive design principles Established expertise in NestJS, Node.js, RESTful API creation, and PostgreSQL performance tuning Strong grasp of ORMs like TypeORM along with relational database design Background using RxJS, state management approaches (NgRx or equivalent), and asynchronous UI patterns Comfort working with reusable UI components and shared Angular libraries within monorepo setups Familiarity with testing tools such as Jest and Karma/Jasmine Hands-on experience with Git-based workflows and CI/CD practices Awareness of authentication/authorization approaches (JWT, OAuth/OIDC) and security fundamentals Capability to navigate multiple codebases and resolve issues from end to end English language skills at B2 level or above Nice to have Background working 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 Understanding of Nx monorepos, feature flag tools, or enterprise portal design Prior work in session management/observability or within energy and utility sectors We offer We gather like-minded people: Top tech minds driving innovation in AI, cloud and digital platform modernization Supportive team and agile, startup-like culture Hybrid by design mode and opportunity to work remotely within Poland Chance to work abroad for up to 60 days annually Business-driven relocation opportunities We provide growth opportunities: Career development programs Thought leadership, mentoring, soft skills and well-being programs Certification (Anthropic, Gemini, GCP, Azure, AWS) English classes We cover it all: Stable pay Participation in the Employee Stock Purchase Plan with a 15% discount Benefits package (health insurance, multisport, shopping vouchers) Referral bonuses up to $2,000 Offices featuring entertainment and relaxation zones, table tennis and football, free snacks, coffee and more Corporate, social and well-being events Please, note: Benefits listed above are available to employees only We are open for working with Contractors. Terms of B2B cooperation agreements are agreed individually We will reach out to selected candidates exclusively EPAM is global leader in AI transformation engineering and integrated consulting, serving Forbes Global 2000 companies and ambitious startups. With over thirty years of expertise in custom software, product and platform engineering, we empower our clients to become AI-Native enterprises, driving measurable value from innovation and digital investments.