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Unison Group (also known as Unison Consulting) is a technology consulting and services firm that specializes in providing specialized IT staff and systems integration for client projects in the banking and financial services sectors.

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Posted 1w ago

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

@ Unison Group
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Kuala Lumpur, Federal Territory of Kuala Lumpur, Malaysia
OnsiteFull Time
Responsibilities:designing applications, developing frontend, mentoring developers
Requirements Summary:5–8+ years frontend/full-stack experience with strong React.js and JavaScript skills, Redux, AWS Lambda, REST integration, Git and CI/CD; experience mentoring and leading technical initiatives.
Technical Tools Mentioned:React.js, JavaScript, Redux, HTML5, CSS3, AWS Lambda, REST API, Git, CI/CD, TypeScript, Node.js, AWS API Gateway, CloudWatch, Jest, React Testing Library, Docker, Kubernetes
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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.