# React.js Developer / Frontend Developer (React and AWS Lambda)

> Unison Group · Kuala Lumpur, Malaysia · Full-time · Posted 2026-07-09

**Salary:** unknown currency 4,000–8,000

**Workplace:** on_site

**Department:** Noresh

## 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 Skills

### Frontend

-   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 Profile

The 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.

## Apply

[Apply at Unison Group](https://apply.workable.com/unisongroup/j/68096BA78B/apply)

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