Senior .NET Developer - Full Stack & Microservices @ Belvedere Recruitment

• 10+ years of experience in .NET development with strong expertise in C#, ASP.NET, MVC and Web API. • Proven experience leading and mentoring development teams. • Strong understanding of software architecture, microservices design patterns and best practices. • Hands-on experience with front-end technologies such as React, Angular or JavaScript. • Practical experience managing containerised applications using Docker, Kubernetes and OpenShift ECS. • Strong expertise in SQL Server, including database design and optimisation. • Proficiency with version control systems including Git, Bitbucket or GitHub. • Experience working within Agile/Scrum environments, including sprint planning and estimation. • Hands-on experience with CI/CD pipelines and DevOps tools such as Jenkins, TeamCity or Harness. • Strong experience with code coverage, code reviews and quality tools like SonarQube. • Excellent communication skills with ability to engage technical and non-technical stakeholders. Company Overview Our client is an established technology organisation operating in Warsaw, known for their commitment to technical excellence and modern development practices. They focus on building scalable, containerised applications using cutting-edge technologies and Agile methodologies. The company values strong engineering principles, code quality and collaborative team environments where experienced developers can make a meaningful impact on software architecture and team development. They are seeking an experienced Senior .NET Developer to join their team in Warsaw on a contract basis. This role offers the opportunity to work across the full technology stack while leading and mentoring other developers in a fast-paced, quality-focused environment. Position Overview As a Senior .NET Developer, you'll play a crucial role in designing and building microservices-based applications while providing technical leadership to the development team. You'll work across both front-end and back-end technologies, manage containerised applications and drive best practices in code quality and DevOps. Your expertise will directly influence the architecture, development standards and technical direction of projects, ensuring robust, scalable solutions that meet business objectives. Contract Type: Contract Duration (Months): 6 • Lead and mentor a development team while working on microservices architecture. • Work with modern tech stack including .NET, React/Angular, Docker and Kubernetes. • Shape software architecture and drive DevOps practices across CI/CD pipelines. • Join a team that values code quality, Agile methodology and continuous improvement. Benefits While specific benefits details are being finalised, you'll join a technically focused environment where quality, continuous improvement and professional development are prioritised. You'll work alongside experienced developers who value clean code, modern practices and collaborative problem-solving, giving you the opportunity to make a significant technical impact while advancing your expertise in full-stack development and microservices architecture. How to Apply To apply for this role, please submit your CV using the form below or email info@blvdr.pl. ,[Lead and mentor development team members through code reviews and knowledge sharing., Design and implement microservices architecture using .NET, C#, ASP.NET MVC and Web API., Develop full-stack solutions using React or Angular for front-end and .NET for back- end., Manage containerised applications using Docker, Kubernetes and OpenShift ECS., Design and optimise relational databases, primarily SQL Server., Implement and maintain CI/CD pipelines using DevOps tools like Jenkins, TeamCity or Harness., Conduct thorough code reviews and ensure quality standards using SonarQube., Participate in Agile/Scrum ceremonies including sprint planning and task estimation., Collaborate with technical and non-technical stakeholders to deliver solutions., Drive best practices in software architecture and development patterns.] Requirements: C#, ASP.NET, MVC, Web API, Software architecture, Microservices design patterns, React, Angular, JavaScript, SQL Server, Git, Bitbucket, CI/CD Pipelines, .NET