Application Developer (Remote, Malaysia) - 1-Year Contract

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

We are seeking a skilled C# Developer to enhance, maintain, and extend our in-house back-office applications. In this role, you will be responsible for resolving defects, developing new features, and building integration solutions to connect internal systems. The ideal candidate will have strong C#/.NET expertise, experience with enterprise applications, and a passion for writing clean, scalable code.

Responsibilities

Bug Fixing & Maintenance

• Investigate, diagnose, and resolve issues in existing C#/.NET applications.
• Optimise performance and reliability of legacy and modern systems.

Feature Development

• Design and implement new functionalities for back-office applications based on business needs.
• Collaborate with stakeholders to refine requirements and deliver robust solutions within agreed timeframe.

System Integration

• Develop interface programs (APIs, file adaptors, file processors, messaging services) to interconnect internal systems.
• Ensure seamless data exchange between applications (e.g., settlement systems, data warehouse).

Code Quality & Best Practices

• Write clean, maintainable and well-documented code.
• Participate in code reviews and advocate for improvements in architecture/design.

Quality Assurance

• Write and conduct unit testing for all new code
• Refactor legacy code to improve test coverage
• Validate data integrity in integration workflows

Requirements

3+ years of professional experience with C# .NET (Framework/Core).

Proficiency in

• Back-end development (ASP.NET MVC, Web API, WCF, REST/SOAP).
• Stored procedures within database systems (MSSQL Server).
• Windows applications WinForms, WPF, or console apps).

Experience with

• System integrations (file-based workflows, APIs, message brokers like RabbitMQ).
• Debugging tools (Visual Studio Debugger, logging frameworks like Serilog).

Familiarity with

Experience modernising legacy systems will be beneficial.

Diploma / Degree in Computer Science / Information Technology or equivalent

Plus: Exposure in financial industry with good working experience and understanding of various business processes within securities and futures brokering.