React.js Developer / Frontend Developer (React and AWS Lambda)
Unison Group · Kuala Lumpur, Kuala Lumpur, Malaysia
Business Consulting and Services · 11-50 employees
About the role
Design and develop scalable frontend applications using React.js and manage serverless functions via AWS Lambda. Lead development activities, mentor junior developers, and collaborate with cross-functional teams to optimize application performance.
What they look for
Requirements
Requires 5-8+ years of experience in frontend or full-stack development with strong expertise in React.js, JavaScript, and AWS cloud services. Candidates should have a proven track record of leading technical initiatives and managing application state with Redux.
Full description
We are seeking an experienced Senior React.js Developer to design, develop, and maintain scalable web applications. The ideal candidate will have strong expertise in React.js, JavaScript, Redux, and AWS Lambda, with the ability to lead development activities, mentor junior developers, and collaborate with cross-functional teams.
Key Responsibilities• Design and develop scalable frontend applications using React.js.
- Build reusable UI components and optimize application performance.
- Integrate frontend applications with RESTful APIs and AWS services.
- Develop and maintain serverless functions using AWS Lambda.
- Manage application state using Redux.
- Participate in architecture discussions and technical decision-making.
- Conduct code reviews and ensure adherence to coding standards.
- Mentor junior developers and provide technical guidance.
- Collaborate with UX designers, backend developers, QA teams, and business stakeholders.
- Support deployment, release management, and production issue resolution.
- Continuously improve development practices by adopting modern frameworks and tools.
Mandatory Technical SkillsFrontend• React.js
- JavaScript (ES6+)
- Redux
- HTML5
- CSS3
Cloud• AWS Lambda
Development Practices• REST API Integration
- Git
- CI/CD
- Configuration & Release Management
- Agile/Scrum
Preferred Skills• TypeScript
- Node.js
- AWS API Gateway
- CloudWatch
- Jest
- React Testing Library
- Docker
- Kubernetes
- Micro Frontend Architecture
Preferred Candidate ProfileThe ideal candidate should have:
- 5–8+ years of experience in frontend or full-stack development.
- Strong hands-on expertise in React.js and JavaScript.
- Experience with AWS Lambda and cloud-based application development.
- Knowledge of Redux and modern frontend architecture.
- Experience mentoring developers and leading technical initiatives.
- Strong analytical, communication, and problem-solving skills.