Senior .NET Backend Engineer - Enterprise APIs (Onsite SG)

Tap Growth ai; Singapore; On-site; SGD 100,000 - 135,000; Full time

Job summary

Tap Growth ai in Singapore is seeking a Senior .Net Developer to design, build, and maintain enterprise backend services using .NET 8 / ASP.NET Core, with a focus on clean code and scalable APIs.

You will work with PostgreSQL, integrate authentication flows, containerize with Docker, and collaborate with frontend teams, QA, and infrastructure to deliver robust solutions from design to production.

Qualifications

• 5+ years of backend development in C#/.NET (ASP.NET Core).
• Design and consume RESTful APIs with secure auth patterns.
• Experience with relational DBs (PostgreSQL/SQL Server) and ORMs (EF).

Responsibilities

• Design, build, and maintain RESTful APIs and backend services.
• Work with PostgreSQL and ORMs to design schemas and data access.
• Implement auth flows including JWT, Windows/Negotiate, LDAP/AD.
• Collaborate with frontend teams to define API contracts.
• Containerize services with Docker and support CI/CD pipelines.
• Write tests and participate in code reviews.
• Troubleshoot production issues with logging and observability.
• Contribute to architecture decisions for new services.

Skills

C# / .NET

REST APIs

Relational Databases

Docker

Git / CI/CD

Debugging & Troubleshooting

Communication

Tools

PostgreSQL

SQL Server

Entity Framework

Docker

Git

Job description

Tap Growth ai in Singapore is seeking a Senior .Net Developer to design, build, and maintain enterprise backend services using .NET 8 / ASP.NET Core, with a focus on clean code and scalable APIs.

You will work with PostgreSQL, integrate authentication flows, containerize with Docker, and collaborate with frontend teams, QA, and infrastructure to deliver robust solutions from design to production.