Senior Web Developer (Frontend-Focused / Full-Stack)

SandBox Innovation; Kuala Lumpur; On-site; MYR 80,000 - 120,000; Full time

Job summary

A tech-focused company in Kuala Lumpur is looking for a Senior Web Developer who excels at building reliable, scalable web applications. The role demands strong frontend expertise with React and Next.js, along with proficiency in backend frameworks like PHP Lumen and NestJS. You will develop high-performance applications while collaborating with cross-functional teams. Ideal candidates should possess at least 4 years of web development experience and demonstrate effective communication and problem-solving skills. Join us for impactful projects in a dynamic environment.

Qualifications

• At least 4 years of professional web development experience.
• Strong frontend experience with React and Next.js.
• Experience with PHP Lumen or similar backend frameworks.
• Knowledge of NestJS or similar Node.js backend frameworks.
• Experience working with CI/CD pipelines (GitHub Actions or equivalent).
• Familiarity with REST APIs, database design, and version control systems.
• Strong problem-solving skills and clear communication.
• Self-managed and responsible working style.

Responsibilities

• Build scalable, high-performance web applications using React and Next.js.
• Develop and maintain backend services using PHP Lumen and NestJS.
• Implement and maintain CI/CD pipelines using GitHub Actions.
• Collaborate closely with mobile, backend, and product teams to integrate APIs and shared services.
• Write clean, well-structured, and well-tested code suitable for production systems.
• Participate in code reviews and mentor junior developers.
• Optimise applications for performance, usability, and responsiveness.

Skills

React

Next.js

PHP Lumen

NestJS

CI/CD pipelines

REST APIs

Problem-solving

Tools

GitHub Actions

Job description

Senior Web Developer (Frontend-Focused / Full-Stack)

We’re looking for a Senior Web Developer who takes pride in building fast, reliable, and maintainable web applications. This role suits someone with strong frontend expertise who is also comfortable working across the stack and contributing to long-term system quality.

Responsibilities

• Build scalable, high-performance web applications using React and Next.js.
• Develop and maintain backend services using PHP Lumen and NestJS.
• Implement and maintain CI/CD pipelines using GitHub Actions or similar tools.
• Collaborate closely with mobile, backend, and product teams to integrate APIs and shared services.
• Write clean, well-structured, and well-tested code suitable for production systems.
• Participate in code reviews and mentor junior developers.
• Optimise applications for performance, usability, and responsiveness.

Requirements

• At least 4 years of professional web development experience.
• Strong frontend experience with React and Next.js.
• Experience with PHP Lumen or similar backend frameworks.
• Knowledge of NestJS or similar Node.js backend frameworks.
• Experience working with CI/CD pipelines (GitHub Actions or equivalent).
• Familiarity with REST APIs, database design, and version control systems.
• Strong problem-solving skills and clear communication.
• Self-managed and responsible working style with ownership of deliverables.

We work fast, expect quality, and appreciate developers who think before they execute.

Bonus Skills

• Experience with cloud platforms such as AWS, Azure, or GCP.
• Background in fintech, transactional, or high-security applications.
• Experience with frontend performance optimisation and testing frameworks.

Why Join Us

• Work on real, production-grade web systems where performance and reliability matter.
• Build applications operating in complex, high-stakes environments.
• Collaborate with mobile and backend teams on API-driven platforms.
• Gain exposure to systems requiring scalability, security awareness, and long-term maintainability.
• Take real ownership — your architectural and implementation decisions shape the product.
• Join a team that values engineering judgment, clarity, and clean execution.

How to Apply

• Please include your resume, GitHub or portfolio link, and a short introduction about your experience.