Senior Software Engineer (.NET)
EPAM Systems
18 hours ago
On-site
Singapore, Singapore
IT
We are seeking a Full Stack .NET Engineer. You will build and modernize web applications and microservices used in financial supervision workflows, from APIs and data access through to UI delivery. You will work in an agile team, apply secure engineering practices and help improve delivery through automation, testing and clear standards.
Responsibilities
- Design and build back-end services using .NET (including .NET eight) and Java where needed
- Develop microservices and event-driven integrations to support scalable workflows
- Create and maintain RESTful APIs, data access layers and domain models using Entity Framework
- Build and enhance web applications using ASP.NET including WebForms where applicable
- Package and run services in Docker to support consistent deployments across environments
- Implement OAuth-based authentication and apply secure coding practices across the stack
- Support legacy .NET Framework applications and contribute to modernization plans to newer .NET
- Deploy and maintain applications on Internet Information Services (IIS) and Windows Server, managing environment-specific configuration
Requirements
- Proven experience delivering full stack solutions on the .NET platform
- Proficiency in C# and modern .NET, with ability to work across services and web apps
- Experience designing microservices and event-driven architectures
- Hands-on experience with Entity Framework and relational data modeling
- Knowledge of Docker and containerization concepts for build and runtime consistency
- Experience with Amazon Web Services (AWS) services such as Simple Storage Service (S3), Lambda, API Gateway and Relational Database Service (RDS)
- Understanding of OAuth and secure development practices in enterprise environments
- Experience supporting legacy .NET Framework applications and planning incremental modernization
Nice to have
- Experience with Oracle database integration and query optimization
- Familiarity with Java Quarkus and OpenTelemetry for observability
- Exposure to Storybook, design systems or single-page applications such as React