Senior Full Stack Developer (Angular & Node.js)

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 stackDesign responsive, accessible Angular interfaces and wire them to NestJS APIsCreate RESTful microservices that cover session handling, streaming capabilities, and platform integrationsDefine and optimize PostgreSQL schemas, queries, and ORM-based data access layersWrite and maintain unit and integration tests to keep reliability highSupport CI/CD pipeline development and follow application security standardsDebug and remediate issues across UI, API, and database layersPartner with product managers, UX designers, and platform engineers to deliver end-to-end featuresConduct code reviews and help maintain consistent team coding standards Requirements Professional experience of 5+ years of experience in software developmentStrong proficiency with Angular, TypeScript, HTML5, CSS3, and responsive design principlesProven expertise in NestJS, Node.js, RESTful API creation, and PostgreSQL performance tuningSolid knowledge of TypeORM and relational database design best practicesPractical understanding of RxJS, state management approaches (NgRx or equivalent), and asynchronous UI patternsExperience creating reusable UI components and shared Angular libraries within monorepo setupsWorking experience with Jest and Karma/Jasmine for unit and integration testingProficiency with Git-based workflows and CI/CD practicesUnderstanding of JWT, OAuth/OIDC, and security fundamentals for authentication/authorizationCapability to switch across multiple codebases and solve issues end to endEnglish 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 SSEExperience integrating AI or LLM technologies, including multi-agent systems and workflow-driven conversational toolsFamiliarity with Nx monorepos, feature flag tools, or enterprise portal designBackground in session management/observability or experience in 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.