Senior .NET Engineer: Backend & API Lead

Talent Search Recruitment - Indonesia; Jakarta Selatan; On-site; IDR 35,000,000 - 60,000,000; Full time

Job summary

Talent Search Recruitment - Indonesia is assisting a client in the telecommunications and network infrastructure industry in Jakarta Selatan to hire a Senior Software Developer (.NET). You will design and build reliable backend services and REST APIs.

You will mentor developers, participate in Agile ceremonies, and help modernize applications using .NET 6+, EF Core, SQL Server, and cloud tools like Azure. The role offers growth within a dynamic tech team.

Qualifications

• 5+ years of hands-on experience developing web apps with C#/.NET.
• Strong knowledge of ASP.NET Core, MVC, and Web API.
• Experience designing REST APIs with proper versioning and error handling.

Responsibilities

• Design, develop, test, and maintain backend services and web apps using C#, .NET, and ASP.NET Core.
• Build robust REST APIs and integrate with internal/external services.
• Own features end-to-end from design to deployment and production support.
• Collaborate in an Agile team with sprint planning and code reviews.
• Improve performance via query optimization, caching, and async programming.
• Mentor mid-level developers and contribute to architectural decisions.

Skills

C#

ASP.NET Core

REST APIs

SQL Server

EF Core

Git

Agile

Unit testing

OAuth 2.0

Azure

Docker

React/Blazor

Tools

Azure DevOps

Docker

GitHub Actions

Serilog

OpenTelemetry

Redis

Job description

Talent Search Recruitment - Indonesia is assisting a client in the telecommunications and network infrastructure industry in Jakarta Selatan to hire a Senior Software Developer (.NET). You will design and build reliable backend services and REST APIs.

You will mentor developers, participate in Agile ceremonies, and help modernize applications using .NET 6+, EF Core, SQL Server, and cloud tools like Azure. The role offers growth within a dynamic tech team.