Senior Full Stack Developer (Angular & Node.js)

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 systemsCreate responsive and accessible Angular interfaces that connect seamlessly with NestJS APIsBuild RESTful microservices supporting session handling, streaming capabilities, and platform integrationsDesign and fine-tune PostgreSQL schemas, queries, and ORM-driven data layersMaintain code reliability and quality through comprehensive unit and integration testsSupport CI/CD pipeline development and adherence to application security standardsDiagnose and fix issues spanning the entire stack, from UI to API to databaseWork in close partnership with product managers, UX designers, and platform engineers to deliver complete featuresTake part in code reviews and uphold team coding standards Requirements 5+ years of experience in software developmentDemonstrated hands-on skills in Angular, TypeScript, HTML5, CSS3, and responsive design principlesEstablished expertise in NestJS, Node.js, RESTful API creation, and PostgreSQL performance tuningStrong grasp of ORMs like TypeORM along with relational database designBackground using RxJS, state management approaches (NgRx or equivalent), and asynchronous UI patternsComfort working with reusable UI components and shared Angular libraries within monorepo setupsFamiliarity with testing tools such as Jest and Karma/JasmineHands-on experience with Git-based workflows and CI/CD practicesAwareness of authentication/authorization approaches (JWT, OAuth/OIDC) and security fundamentalsCapability to navigate multiple codebases and resolve issues from end to endEnglish 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 SSEExperience integrating AI or LLM technologies, including multi-agent systems and workflow-driven conversational toolsUnderstanding of Nx monorepos, feature flag tools, or enterprise portal designPrior 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 modernizationSupportive team and agile, startup-like cultureHybrid by design mode and opportunity to work remotely within PolandChance to work abroad for up to 60 days annuallyBusiness-driven relocation opportunitiesWe provide growth opportunities:Career development programsThought leadership, mentoring, soft skills and well-being programsCertification (Anthropic, Gemini, GCP, Azure, AWS)English classesWe cover it all:Stable payParticipation in the Employee Stock Purchase Plan with a 15% discountBenefits package (health insurance, multisport, shopping vouchers)Referral bonuses up to $2,000Offices featuring entertainment and relaxation zones, table tennis and football, free snacks, coffee and moreCorporate, social and well-being eventsPlease, note:Benefits listed above are available to employees onlyWe are open for working with Contractors. Terms of B2B cooperation agreements are agreed individuallyWe 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.