Senior Software Engineer (.NET / Azure)

About the role

A Senior Software Engineer is needed in the Development Core team in Colombo, Sri Lanka, on a permanent full-time basis. The role is hands-on, covering the design, development and delivery of high-quality, scalable software, with ownership of features through the development lifecycle and contribution to technical design and architecture.

Key responsibilities

• Analyze requirements, estimate effort and deliver maintainable solutions with due regard for product and business impact.
• Develop clean, efficient, scalable software in C#, ASP.NET.NET Framework and .NET Core, using best practices such as async/await, dependency injection and configuration.
• Build ASP.NET MVC and Web API / REST services, and front-end functionality with Angular.
• Optimize SQL Server queries and data-access solutions, and use AI-driven developer tools cost-effectively.
• Contribute to architecture and design, applying DDD and CQRS where appropriate, and follow TDD with unit and integration tests.
• Use the Microsoft toolchain (Visual Studio, VSCode), Azure services (Application Insights, Azure Key Vault, Azure Functions), and write CI/CD pipelines in YAML via Azure DevOps with Git.
• Apply OWASP-aligned secure development practices, take part in code reviews and mentor junior and peer engineers.
• Work in an Agile environment, own feature delivery, document technically and help resolve production issues.

Required profile

• At least 3 years of experience and a degree or equivalent professional qualification.
• Strong hands-on experience with C#, ASP.NET.NET Framework and .NET Core, and strong T-SQL skills with stored procedures.
• Understanding of RESTful APIs, secure development and OWASP, TDD, OOP, SOLID and KISS, and Agile delivery.
• Excellent communication skills, attention to detail and the ability to work independently with minimal supervision.

Required skills

• Desirable: Angular or similar SPA frameworks, Azure DevOps, native Android development in Java/Kotlin, GitHub Copilot, and awareness of UK GDPR.