We are seeking a skilled and experienced .NET Engineer to join one of our teams on an outstaffing basis. The ideal candidate will have a strong understanding of cloud-native applications, data platforms, and modern software development practices. DetailsLocation: Poland (only candidates based in Poland are considered)Employment Type: Full-time Start Date: ASAPLanguage Requirements: English B2 Project Description: A financial services project at the very beginning of its development cycle.The main priority at this stage is product quality, with a strong emphasis on building an effective, agile, and scalable solution from day one. Team Structure 2–3 Backend / Full-Stack Engineers 2–3 Python Engineers 2 QA Engineers Requirements / Your Background At least 5 years of experience as a C# / ASP.NET Engineer Strong knowledge of .NET Framework 4.5+ and .NET Core Solid understanding of async/await, TPL Deep understanding of OOP techniques and Design Patterns Hands-on experience with JSON and Web API in production Experience writing test cases (NUnit, MSTest) Strong SQL experience (PostgreSQL) and NoSQL databases (MongoDB, DynamoDB) Hands-on programming with Angular 6+ Experience with HTML/HTML5, XML, CSS/CSS3 Experience developing software in SCRUM / Agile environments Experience with DevOps & CI/CD (Git / Bitbucket) English level B2 Nice to Have Multi-threaded programming in procedural & functional paradigms Experience with Elasticsearch Experience building cloud-based solutions in AWS Key Responsibilities Develop new features, fix bugs, estimate tasks, and perform technical investigations Communicate with the internal team effectively Participate in verbal communication with the client(s)