Senior back-end engineer (.NET)

Ocean ThinkIT d.o.o.

Beograd | Hibrid

Beograd: Hercegovačka 21, BW Arcardia

12.11.2025.

.NET C# SQL SQL Server Docker Visual Studio Azure DevOps HTTP Cloud RESTful senior

We are building the future of sports engagement by combining technology, data, and community to create smarter, more connected experiences for players, coaches, and fans. We’re looking for a Senior Backend Engineer (.NET) to join our growing engineering team and help us scale our platform to the next level.

What you’ll do

Design, implement, and maintain scalable backend services using .NET (C#) and modern frameworks.
Develop robust RESTful APIs (HTTP & gRPC) to support mobile and web applications.
Work with Docker for containerization and ensure smooth deployments through Azure DevOps.
Manage data storage and queries using SQL Server (T-SQL) and CosmosDB in Azure Cloud.
Apply design and architectural patterns to build high-quality, maintainable solutions.
Contribute to the design of distributed systems that handle high loads and ensure reliability.
Collaborate with colleagues from the frontend and mobile team to deliver new features and improve performance.
Participate in code reviews, provide mentorship, and share knowledge with peers.

What we’re looking for

5+ years of professional backend development experience.
Bachelor’s or Master’s degree in Computer Science, Software Engineering, or a related field.
Strong proficiency in .NET (C#) and related frameworks.
Proven experience with REST (HTTP & gRPC) services.
Hands-on experience with Docker, Visual Studio / VS Code, and Azure Cloud services (CosmosDB, Azure DevOps).
Solid knowledge of CosmosDB and database design.
Familiarity with distributed systems and microservices architectures.
Strong understanding and active use of design patterns and best practices.
Excellent problem-solving skills, with the ability to think critically about system design and scalability.