Authority Partners is seeking a Senior Full Stack Developer with top-notch programming skills to join our strong development teams. The Developer will design and write maintainable code using C# and React, communicate with teams and clients, as well as deliver products within an agile and modern environment. Seems interesting?
Let us know and apply! :)

What you will do

• Design, architect, and develop scalable, high-performance backend systems and API layers built with Vibe Coding principles.
• Collaborate closely with the Solution Architect, frontend engineers, and UI/UX teams to ensure a seamless end-to-end experience between backend and frontend.
• Take full ownership of the development lifecycle, from architecture and implementation to deployment, monitoring, and maintenance.
• Design and implement RESTful and GraphQL APIs, ensuring they are secure, performant, and optimized for mobile consumption.
• Build and maintain cloud-native solutions (preferably on Azure).
• Work with ORMs (e.g. EF Core), SQL Server, and/or NoSQL databases to manage and optimize data persistence.
• Implement and maintain CI/CD pipelines to support continuous integration, automated testing, and deployment.
• Contribute to frontend development (React or React Native) as needed, ensuring smooth integration and consistent design patterns across platforms.
• Write clean, maintainable, and testable code, following best practices in object-oriented programming, SOLID principles, and domain-driven design.
• Participate in Agile ceremonies, including sprint planning, retrospectives, and daily stand-ups.
• Collaborate on architectural decisions, code reviews, and promote shared engineering standards across backend and frontend teams.

What you have

• 5+ years of professional experience as a Full Stack Developer
• Strong proficiency in C#, .NET 8+, and ASP.NET Core for API and service development.
• Solid understanding of software architecture, design patterns, and microservice principles.
• Proven experience building and maintaining RESTful APIs and integrating them with mobile or web frontends.
• Experience with ORMs (e.g. Entity Framework Core), LINQ, and database optimization for relational (SQL Server, PostgreSQL) and/or NoSQL (Cosmos DB, MongoDB) data models.
• Exposure to Vibe Coding, Domain-Driven Design (DDD), CQRS, or Event-Driven Architecture.
• Familiarity with cloud infrastructure, preferably Microsoft Azure.
• Working knowledge of frontend development with React and TypeScript.
• Understanding of frontend-backend integration, authentication flows, and mobile-friendly API design.
• Experience in CI/CD pipelines, using tools like Azure DevOps, GitHub Actions, or Jenkins.
• Strong commitment to smooth, high-quality user experiences,  even in backend-driven features.
• Track record of taking ownership of features and systems throughout the entire development lifecycle.
• Thrived in product-driven, fast-paced environments, collaborating closely with cross-functional teams to bring complex products to life.

Education:

• Bachelor's degree in Computer Science, Software Engineering or related field would be of great value, but if you’re passionate and have the experience that backs up your abilities, for us, talent outweighs degree every time.

About Authority Partners:
Authority Partners is a leading and global IT services company with over 25 years of experience, serving clients within the financial, healthcare, insurance, mortgage, and technology sectors among many others. We are committed to building relationships with IT professionals who possess integrity, dedication, teamwork, and the desire to learn and grow with us. We specialize in placement for long-term contracts and permanent opportunities and helping our consultants achieve their career success.

Authority Partners is an equal opportunity employer and is committed to providing a workplace that is free from all types of discrimination, as well as from abusive or offensive behavior and harassment.