Senior Full-Stack Engineer: Build Scalable Web Apps & APIs

Koda North; Singapore; Remote; SGD 120,000 - 180,000; Full time

Job summary

Koda North is seeking experienced Full Stack Developers to build modern web apps, backend services, APIs, databases and intuitive user interfaces. You’ll work across the stack, understand existing systems, solve problems independently, and employ AI-assisted development tools to improve quality and speed.

Ideal candidates have 5+ years of full stack experience, strong JavaScript/TypeScript skills, and experience with React, Next.js, Vue or Angular.

Qualifications

• 5+ years of professional full stack development experience.
• Strong JavaScript/TypeScript fundamentals.
• Experience with a modern frontend framework (React/Next.js/Vue/Angular).
• Backend experience with Node.js, Python, Java, or similar.
• Experience with REST APIs and relational databases (PostgreSQL/MySQL).
• Proficient with Git, debugging, testing, and production deployment.
• Experience using AI-assisted development tools (Claude Code/Codex/Copilot).
• Ability to work independently and take ownership of tasks.

Responsibilities

• Build and maintain frontend and backend application features.
• Develop APIs, business logic, database workflows, and integrations.
• Create responsive and maintainable user interfaces.
• Debug issues and improve performance, reliability and security.
• Write clean, maintainable code and participate in code reviews.
• Leverage AI-assisted development tools while reviewing generated work.
• Collaborate with the team from requirements through release.

Skills

Full stack development

JavaScript/TypeScript

Frontend frameworks

Backend development

REST APIs & Relational DBs

Git, debugging, testing

AI-assisted tools

Independent ownership

Tools

Claude Code

GitHub Copilot

Cursor

Codex

Job description

Koda North is seeking experienced Full Stack Developers to build modern web apps, backend services, APIs, databases and intuitive user interfaces. You’ll work across the stack, understand existing systems, solve problems independently, and employ AI-assisted development tools to improve quality and speed.

Ideal candidates have 5+ years of full stack experience, strong JavaScript/TypeScript skills, and experience with React, Next.js, Vue or Angular.