We are looking for a skilled Senior Full-Stack Developer to join our international team. In this role, you will contribute to a live, evolving product, balancing modern frontend development with solid backend API integration. We offer a stable, long-term, and predictable remote environment where engineering quality and structured Agile practices matter. Key Responsibilities: End-to-End Feature Development: Drive the design and development of dynamic user interfaces and supporting backend APIs, optimizing performance for a large-scale codebase. Testing & Quality: Focus on software reliability by writing automated tests (Playwright) and ensuring strict backwards compatibility for live production software. Agile Collaboration: Actively participate in daily, video-based Agile/Scrum ceremonies with an international, remote team, thriving in a stable and predictable product environment. Technical Requirements: Frontend Expertise: Strong hands-on experience with Angular (v15+), TypeScript, HTML, and SCSS. Proven experience with Reactive Forms and dynamic form rendering. Familiarity with data visualization tools (e.g., D3.js) and UI libraries (e.g., Kendo UI). Backend&Tooling: Solid basic knowledge of C#, .NET 6+ Web API, and Entity Framework Core. Deep understanding of advanced .NET concepts (e.g., async/await, web API lifecycle events, background tasks, scheduling). Experience with automated testing frameworks (preferably Playwright). Familiarity with Git-based workflows and REST APIs. Nice-to-Have: Experience with messaging frameworks (RabbitMQ, MQTT, etc.) What we offer: We believe that exceptional people deserve exceptional recognition: A company culture based on autonomy and accountability Flexible working hours Cool office with great location in Budapest, nearby Deak Ferenc Square / Astoria Macbook in order to be the most efficient in your daily tasks Company-sponsored technical trainings Company-sponsored trips to relevant, professional conferences Medicover Health Insurance AYCM SportPass contribution, yoga at the office, SnapSoft football Regular cocktail parties, team buildings, an annual all staff 3-day summer retreat Book club & SnapSoft library, Board game club & regular board game evenings Do you see yourself in this role? Apply now! If you're excited about this opportunity and believe you're the right fit, we'd love to hear from you! Send us your CV. Join us on our journey to become the AWS Partner of Choice in Central and Eastern Europe!