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

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

Unison Group

Location

Kuala Lumpur, Federal Territory of Kuala Lumpur, Malaysia

Experience

Senior

Posted

Jul 10, 2026

Apply by

August 9, 2026

Applicants

0

Early applicantFull-timeWork from Office

Job 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.

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.

Skills Required

React.jsJavaScriptReduxAWS LambdaHTML5CSS3REST API IntegrationGitCI/CDAgileScrumMentoringCommunicationProblem solvingAnalytical skillsTypeScriptNode.jsAWS API GatewayCloudWatchJestReact Testing LibraryDockerKubernetesMicro Frontend Architecture

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