Senior Full‑Stack Developer (Angular + Node.js +.NET)

• Industry: Fintech • Location: Hybrid Warsaw lor Gdańsk - 1-2 x month + twice a year, a one-week business trip to Munich. • Assignment type: B2B  • Rates: 4-7 years exp: 138 PLN/h, 7-10 years exp.: 154 PLN/h, 10+ years exp: 167 PLN/h Summary: This role focuses on designing and developing enterprise applications, ensuring high-quality user interfaces and robust back-end systems, primarily using Angular and Node.js with experience in .Net and various cloud services. Main Responsibilities: • Design and develop enterprise applications with Angular 17+ on the front end and Node.js on the back end. • Experience with ASP.NET Core (.NET 8+) • Implement standalone components and signals-based architecture for responsive, maintainable UIs. • Integrate Azure MSAL authentication, RESTful APIs, and external system integrations. • Build and optimize data access layers using Entity Framework Core and manage relational data in SQL Server. • Ensure application security through authentication, authorization, and data protection using Azure AD. • Deploy and manage environments using Docker, Kubernetes, and CI/CD pipelines. • Write comprehensive unit and integration tests for both front-end (Vitest) and back-end (xUnit, Moq). • Collaborate with cross-functional teams to maintain shared libraries and iterate on user feedback. • Troubleshoot, debug, and optimize for scalability and performance across the stack. Key Requirements: • Experience: minimum of 7 years as a developer. • Front-End: Angular 17+, TypeScript, SCSS, HTML. • Back-End: Node.JS, C#, .NET 8+, ASP.NET Core, Entity Framework Core, SQL Server. • Languages & Formats: C#, SQL, JSON, YAML. • Testing: Vitest, xUnit, Moq. • Tools & Frameworks: Git, npm, RESTful APIs, Docker, Kubernetes, CI/CD pipelines. • Cloud: Experience with Azure services (AD, SQL, Databricks). Nice to Have: • Soft Skills such as Attention to Detail, Collaboration, Problem-Solving, and Learning Agility.