Backend Developer (C# / .NET)

GSF Solutions Sdn Bhd; Puchong; On-site; MYR 60,000 - 80,000; Full time

Job summary

A technology solutions company in Puchong is seeking a skilled Backend Developer who is passionate about building reliable and high-performance systems. You will design and develop scalable backend services, work with a collaborative engineering team, and contribute to delivering industrial-grade software products. The ideal candidate should have a minimum of 2 years' experience in C# and ASP.NET Core, along with a strong focus on clean architecture and secure APIs. The role offers attractive remuneration and a supportive work environment.

Benefits

Attractive remuneration

5-day work week

EPF & SOCSO

Annual leave, sick leave & medical claims

Performance-based bonus & salary increment

Qualifications

• At least 2+ years’ experience with C# and ASP.NET Core (.NET 6 & above).
• Hands-on experience designing and consuming REST APIs and WebSocket services.
• Solid experience with asynchronous programming (async/await, concurrency handling).
• Strong analytical thinking and problem-solving ability.
• Experience working with databases and related technologies.

Responsibilities

• Design and develop high-performance, scalable RESTful backend services.
• Collaborate closely with cross-functional team members.
• Participate in the full Software Development Life Cycle.
• Ensure timely delivery of high-quality features and technical solutions.
• Integrate with third-party systems.

Skills

C#

ASP.NET Core (.NET 6 & above)

REST APIs

WebSocket services

Asynchronous programming

Analytical thinking

Problem-solving ability

Entity Framework Core (EF Core)

Redis

RabbitMQ

DevOps

Git workflows

CI/CD platform

Job description

Overview

GSF Solutions Sdn Bhd – Puchong New Village

We are looking for a skilled Backend Developer who is passionate about building reliable, secure, and high-performance systems. You will design and develop scalable backend services, work closely with a collaborative engineering team, and contribute to delivering industrial-grade software products.

Design and develop high-performance, scalable RESTful backend services

Collaborate closely with cross-functional team members to improve system architecture, code quality, and development processes

Participate in the full Software Development Life Cycle — from design and development to testing and deployment

Ensure timely delivery of high-quality features and technical solutions

Integrate with third-party systems (SDKs, APIs, external services)

Write clean, maintainable, and well-documented code following best practices

Identify performance bottlenecks and propose optimization solutions

Maintain a strong focus on security, reliability, and system stability

Required Skills & Experience

• At least 2+ years’ experience with C# and ASP.NET Core (.NET 6 & above)
• Hands-on experience designing and consuming REST APIs and WebSocket services
• Solid experience with asynchronous programming (async/await, concurrency handling)
• Strong analytical thinking and problem-solving ability
• Experience working with databases and related technologies:
  • Entity Framework Core (EF Core)
  • Redis or other caching technologies
  • RabbitMQ or other message broker
• Good understanding of secure API design, API versioning, and best practices
• Experience with DevOps, Git workflows and at least one CI/CD platform (e.g: GitHub, GitLab)

Nice to Have

• React
• TypeScript
• Hands-on knowledge on microservices architecture
• Python, FastAPI or AI/Machine Learning exposure
• Experience in utilizing AI-assisted development tools such as GitHub Copilot or Claude Code

Benefits & Perks

• Attractive remuneration
• 5-day work week
• EPF & SOCSO
• Annual leave, sick leave & medical claims
• Performance-based bonus & salary increment

Love clean architecture, secure APIs, and scalable systems? Join us.