Back End Developer

Role overview

Responsibilities

• Design, develop, and maintain applications using C#, ASP.NET Core, and .NET.
• Build and optimize RESTful APIs and microservices.
• Manage relational databases in Microsoft SQL Server and develop queries with Entity Framework Core and LINQ.
• Implement JWT and OAuth 2.0 authentication and authorization.
• Integrate third-party APIs, payment gateways, and external services.
• Optimize performance, scalability, and reliability; troubleshoot and resolve issues.
• Write maintainable, documented code and apply security and data protection practices.
• Collaborate with frontend developers, QA engineers, and project managers.
• Participate in reviews, testing, and deployment.

Technical requirements

• Strong C# and ASP.NET Core Web API proficiency; experience with .NET 6, 8, 10, or later.
• Strong Microsoft SQL Server and T-SQL knowledge; experience with Entity Framework Core and LINQ.
• Understanding of RESTful API architecture and familiarity with JWT, OAuth 2.0, and role-based access control.
• Experience with Git; knowledge of asynchronous programming and dependency injection.
• Familiarity with Clean Architecture, SOLID principles, design patterns, and Swagger/OpenAPI documentation.

Qualifications

• Bachelor's degree in computer science, software engineering, information technology, or a related field.
• Two or more years of professional backend development experience is preferred.
• Problem-solving and analytical skills, ability to work independently and collaboratively, and good communication and technical documentation skills.

Preferred qualifications

• Docker and CI/CD pipelines; Azure or AWS cloud services.
• Redis caching, message queues, microservices, and distributed systems.
• Agile/Scrum and unit testing with xUnit or NUnit.
• E-commerce platforms, ERP systems, or marketplace applications.

Application

• The posting invites candidates to apply through LinkedIn with an updated CV highlighting .NET backend experience.