C# .NET Back-End Developer - Systems Integration

KGI Securities (Singapore) Pte. Ltd.; Kuala Lumpur; Remote; MYR 90,000 - 130,000; Full time

Job summary

KGI Securities (Singapore) Pte. Ltd. is seeking a skilled C# Developer to enhance, maintain, and extend our in-house back-office applications in Kuala Lumpur. You will resolve defects, develop new features, and build integration solutions to connect internal systems, with a focus on clean, scalable code and reliable performance.

The role requires strong C#/.NET expertise, experience with enterprise applications, and collaboration with stakeholders to deliver robust solutions on time.

Qualifications

• 3+ years of professional experience with C# .NET (Framework/Core).
• Experience with back-end development and enterprise applications.
• Familiarity with system integration and debugging tools is expected.

Responsibilities

• Bug Fixing & Maintenance: investigate, diagnose and resolve issues in existing C#/.NET applications.
• Design and implement new functionalities for back-office applications based on business needs.
• System Integration: develop interfaces (APIs, file adapters, messaging) to interconnect internal systems.
• Code Quality & Best Practices: write clean, maintainable code and participate in reviews.
• Quality Assurance: write unit tests, refactor legacy code, validate data in workflows.

Skills

C#/.NET

ASP.NET MVC

Web API

WCF

REST/SOAP

MSSQL Stored Procedures

WinForms/WPF/Console

System Integrations

RabbitMQ

Serilog

Visual Studio Debugger

Education

Diploma / Degree in Computer Science / IT

Job description

KGI Securities (Singapore) Pte. Ltd. is seeking a skilled C# Developer to enhance, maintain, and extend our in-house back-office applications in Kuala Lumpur. You will resolve defects, develop new features, and build integration solutions to connect internal systems, with a focus on clean, scalable code and reliable performance.

The role requires strong C#/.NET expertise, experience with enterprise applications, and collaboration with stakeholders to deliver robust solutions on time.