SENIOR FULL-STACK DEVELOPER (.NET & REACT)

FIT PIONEER RESOURCES SDN. BHD.; Kuala Lumpur; On-site; MYR 180,000 - 300,000; Full time

Job summary

FIT PIONEER RESOURCES SDN. BHD. in Kuala Lumpur is seeking an experienced Senior Full-Stack Developer to lead architecture and scaling of enterprise web applications and AI-augmented automation platforms.

You will drive development with React, Next.js and .NET 8+, build secure APIs, mentor juniors and ensure high quality and performance across deployments on Azure and containerised environments. This role requires strong leadership, mentoring, and hands-on coding with AI tools such as Copilot to

Qualifications

• Bachelor's degree in a related field.
• 5+ years of enterprise full-stack software development experience.
• Strong command of written and spoken English.

Responsibilities

• Design, develop and maintain scalable enterprise web applications using React, Next.js and .NET 8+ (C#).
• Design, develop and secure REST APIs and OData services.
• Lead code reviews and establish software architecture best practices; mentor junior developers.
• Deploy and manage applications across Azure, IIS and containerised environments; maintain CI/CD pipelines and unit tests.

Skills

DotNet/C#

ASP.NET Core

React

TypeScript

SQL Server

PostgreSQL

Education

Bachelor's Degree in Computer Science / Software Engineering

Tools

Git

Jira

Visual Studio Code

Docker

Postman

SQL Server Management Studio

Microsoft Copilot Studio

Job description

We are seeking an experienced Senior Full-Stack Developer to lead the architecture, development and scaling of enterprise web applications and AI-augmented automation platforms.The successful candidate will be responsible for developing modern web applications, building secure APIs, integrating enterprise systems and implementing AI-driven workflow automation. This role also involves providing technical leadership, mentoring junior developers and ensuring high standards of software quality and system performance.

Key Responsibilities

1. Full-Stack Development

Design, develop and maintain scalable enterprise web applications using React, Next.js and .NET 8+ (C#).

Develop responsive and user-friendly interfaces using React and TypeScript.

Build and maintain backend services and application architectures.

Ensure application performance, scalability, security and reliability.

2. API Development & System Integration

Design, develop and secure REST APIs and OData services.

Integrate ERP platforms such as Oracle NetSuite, Epicor and Microsoft Dynamics with cloud-based applications.

Develop system integrations to support enterprise business operations.

Design and implement AI-driven workflow automation and agentic platforms.

Develop and integrate Model Context Protocol (MCP) servers to connect AI agents and Large Language Models (LLMs) with enterprise APIs and business data.

Explore and implement AI technologies to improve development efficiency and business processes.

4. Technical Leadership

Lead code reviews and establish software architecture best practices.

Make technical decisions and ensure adherence to development standards.

Mentor junior developers and support their technical development.

Utilise AI coding assistants such as GitHub Copilot and Claude Code to improve development productivity and testing quality.

5. Deployment & Maintenance

Maintain CI/CD pipelines and support continuous software delivery.

Deploy and manage applications across Azure, IIS and containerised environments.

Develop and maintain unit tests to ensure software quality.

Troubleshoot technical issues and continuously improve system performance.

Job Requirements

Mandatory Technical Requirements:

Minimum 5 years of experience in .NET (C#) and ASP.NET Core.

Minimum 3 years of experience with React and TypeScript.

Minimum 5 years of enterprise full-stack software development experience.

Minimum 3 years of experience in REST API design and security.

Minimum 3 years of experience with Entity Framework Core.

Minimum 3 years of experience with SQL Server and/or PostgreSQL.

Additional Technical Requirements:

Minimum 2 years of experience in cloud deployment, preferably Azure and Docker.

Minimum 2 years of experience with CI/CD, microservices and software design patterns.

Minimum 2 years of experience with Tailwind CSS and state management.

Minimum 5 years of experience using Git.

Good to Have:

Experience integrating ERP systems such as Oracle NetSuite, Epicor or Microsoft Dynamics.

Knowledge of Model Context Protocol (MCP) servers.

Experience with UiPath or Microsoft Power Automate (RPA).

Exposure to LLM integration and AI agent development.

Experience with Next.js.

Education & Qualifications:

Bachelor's Degree in Computer Science, Software Engineering, Information Technology or a related field.

Minimum 5 years of relevant professional experience.

Good command of written and spoken English.

Technical Tools:

Git, Jira, Visual Studio Code, Docker, Postman, SQL Server Management Studio and Microsoft Copilot Studio.