Senior Fullstack Engineer (.Net/React/Angular) AI

Reliable Business Technologies Sdn Bhd (RBTSB); Kuala Lumpur; On-site; MYR 180,000 - 240,000; Full time

Job summary

Reliable Business Technologies Sdn Bhd (RBTSB) is seeking a Senior Full-Stack Engineer with 5+ years of software development experience. You will work on .NET Core/C# backend and React/Angular frontend, and apply AI coding tools to accelerate delivery.

You will design, build, test, and maintain scalable applications, implement RESTful APIs, and participate in CI/CD and security best practices within an agile team.

Qualifications

• 5+ years of hands-on software development experience.
• Strong React and Angular frontend development experience.
• Proven full-stack development across backend and frontend.
• Hands-on AI coding tools/agents in real software development.
• Experience with REST APIs, microservices, and software architecture.

Responsibilities

• Design, develop, test, and maintain full-stack applications using .NET Core/C# for backend and React/Angular for frontend.
• Build and integrate RESTful APIs and work with microservices and event-driven architecture.
• Use AI coding agents/tools such as GitHub Copilot to develop, review, refine, and deliver production-ready code.
• Perform code reviews and ensure AI-generated code meets quality, security, performance, and maintainability standards.
• Develop automated tests, including unit testing and Playwright/E2E testing, and support CI/CD pipelines.
• Apply software engineering best practices including SOLID, Design Patterns, Clean Architecture, and secure coding/OWASP principles.
• Work with Git, Docker/Kubernetes, SQL/NoSQL databases, and enterprise development environments.
• Collaborate with technical and business teams in an Agile/Scrum environment to deliver solutions that meet business requirements.

Skills

Full-stack development

Frontend: React/Angular

Backend: .NET Core/C#

AI coding tools

REST APIs

CI/CD

Docker/Kubernetes

Education

Bachelor's degree in CS/IT/SE

Tools

GitHub Copilot

Playwright

Job description

We are looking for a Senior Full-Stack Engineer with 5+ years of experience in software development, with strong expertise in .NET Core/C# backend development, React and Angular frontend development and hands-on experience using AI coding tools/agents.

You will be responsible for developing and delivering scalable, secure, production-ready applications across backend and frontend, while leveraging AI to improve development efficiency and software quality.

Key Responsibilities

• Design, develop, test, and maintain full-stack applications using .NET Core/C# for backend and React/Angular for frontend.
• Build and integrate RESTful APIs and work with microservices and event-driven architecture.
• Use AI coding agents/tools such as GitHub Copilot to develop, review, refine, and deliver production-ready code.
• Perform code reviews and ensure AI-generated code meets quality, security, performance, and maintainability standards.
• Develop automated tests, including unit testing and Playwright/E2E testing, and support CI/CD pipelines.
• Apply software engineering best practices including SOLID, Design Patterns, Clean Architecture, and secure coding/OWASP principles.
• Work with Git, Docker/Kubernetes, SQL/NoSQL databases, and enterprise development environments.
• Collaborate with technical and business teams in an Agile/Scrum environment to deliver solutions that meet business requirements.

Requirements

• Bachelor's Degree in Computer Science, IT, Software Engineering, or related field.
• At least have 5+ years of hands-on software development experience.
• Strong React and Angular frontend development experience.
• Proven full-stack development experience across both backend and frontend.
• Hands-on experience with AI coding tools/agents, such as GitHub Copilot, in real software development.
• Strong experience with REST APIs, OpenAPI, microservices, and software architecture.
• Experience with CI/CD, Git, automated testing, and Playwright or equivalent E2E testing.
• Experience with SQL/NoSQL databases, Docker/Kubernetes, and secure coding practices.
• Strong analytical, problem-solving, communication, and teamwork skills.

Good to Have

• Experience with native mobile development (iOS/Android).
• Experience establishing AI development workflows, prompt libraries, or AI-assisted engineering practices
• Experience with MCP (Model Context Protocol).