Role Description:We are seeking an experienced Senior Software Engineer/Tech Lead to join a team developing scalable, secure, and efficient web applications and SaaS solutions for international clients. We are looking for someone with a strong Microsoft ecosystem technology background and experience leading development teams in a dynamic project environment.Responsibilities: Serve as a technical leader, ensuring high-quality solutions and consistent architecture. Design, develop, and maintain enterprise-class web applications and SaaS platforms. Collaborate with product, analytics, and QA teams using Agile/Scrum methodologies. Create and maintain RESTful APIs and web services. Write unit tests using NUnit, Moq, and Jest. Participate in code reviews, architectural discussions, and technical planning. Use Git and Azure DevOps to manage code and project progress. Requirements: Minimum 6 years of software development experience. Proven experience building and maintaining large-scale web applications and SaaS solutions. Proficient in C#, .NET Core, and .NET Framework. Good understanding of REST architecture and WebAPI design. Experience writing unit tests (NUnit, Moq, Jest). Ability to work with distributed code repositories (Git). Experience in teamwork and implementing best engineering practices.