Middle/Senior .NET Developer

Middle/Senior .NET Developer 📍 Location: Ivano-Frankivsk / Remote 🕒 Experience: 4+ years 💼 Employment: Full-time 👋 About Us Avidi Technologies develops advanced software solutions for industries such as banking and payment systems, PSD2, trading platforms, corporate software, data analytics, risk management, smart city infrastructure, and track & trace systems. We build high-load, enterprise-grade products where scalability, performance, security, and stability are key priorities. We are expanding our development team and looking for a Middle/Senior .NET Developer with strong backend development skills and an interest in modern AI-assisted development practices. About the Role We are looking for a Middle/Senior .NET Developer with 4+ years of professional experience to join our team. You will work on developing and maintaining scalable backend solutions, designing new features and microservices, and integrating with third-party systems. We are looking for a proactive, independent developer with strong problem-solving skills who can take ownership of tasks, contribute to architectural decisions, and leverage AI-powered coding tools and Spec-Driven Development (SDD) practices. Responsibilities - Develop and maintain software components according to technical requirements and design specifications. - Implement solutions using traditional coding approaches and AI-assisted Spec-Driven Development (SDD). - Participate in architectural design and development of new features, system components, and microservices. - Collaborate with the team to analyze, clarify, and refine technical and business requirements. - Write clean, maintainable, efficient, and well-tested code. - Conduct code reviews and contribute to improving code quality and development practices. - Integrate applications with third-party APIs and external systems. - Deliver reliable, scalable solutions and support their implementation. Requirements - 4+ years of professional experience in software development using C# and .NET. - Strong knowledge of C#, .NET, ASP.NET Core, and Entity Framework Core. - Solid understanding and practical application of OOP, SOLID principles, and design patterns. - Good knowledge of relational databases, including SQL and database optimization. - Hands-on experience with NoSQL databases and caching solutions. - Experience writing unit and integration tests. - Strong understanding of multithreading, asynchronous programming, and async/await. - Good knowledge of microservices architecture and distributed systems. - Understanding of RESTful APIs, Docker, and WebSocket technologies. - Practical experience with Git and version control workflows. - Experience integrating third-party APIs and external services. - Practical experience with AI coding assistants, such as OpenAI Codex or Claude. - Ability to work independently, take ownership of tasks, and collaborate effectively with cross-functional teams. - Strong analytical thinking, problem-solving skills, and attention to detail. - English proficiency at B2+ level or higher. Will Be a Plus - Experience with AI-assisted Spec-Driven Development (SDD) workflows. Tech Stack - Backend: C#, .NET 10, ASP.NET Core, Entity Framework Core - Databases & Caching: PostgreSQL, Redis - Messaging: Apache Kafka - Containerization: Docker - Frontend: Angular, React - AI & Development Tools: OpenAI Codex, Claude, GitHub Spec Kit, obra/superpowers - Version Control: Git 🎁 What We Offer - A dynamic work environment with minimal bureaucracy - 20 paid vacation days and 7 paid sick days - Paid public holidays - Flexible working hours - English language courses - Team events and corporate activities - Comfortable office in Ivano-Frankivsk with remote work options - A supportive and collaborative development team 📩 Ready to join us? Send us your CV and tell us a little about your experience with .NET development. Відгукнутись на вакансію