React JS Developer

Keka Technologies Private Limited; Mumbai; On-site; INR 1,800,000 - 2,800,000; Full time

Job summary

Keka Technologies Private Limited in Mumbai seeks a React.js / Next.js Frontend Developer with 5–6 years of experience. You will build and maintain web applications, collaborate across teams to deliver features, and design scalable frontend architectures with attention to performance and security.

You will implement LL/Ds and HLDS, optimize for speed, and contribute to CI/CD pipelines. Strong React knowledge, Redux Toolkit, Tailwind, and Jest testing are required, with excellent communication

Qualifications

• Bachelor's degree in Computer Science / IT required.
• 5-6 years of web development experience with React.js / Next.js.
• Strong knowledge of React.js, Next.js, Redux Toolkit, and Tailwind CSS.
• Experience with UI libraries such as Material-UI; familiarity with Redux/RTK and UI libraries like Ant Design.
• AWS CI/CD pipelines experience is a plus; Jest for unit tests.
• Strong problem-solving, and excellent communication and collaboration skills.

Responsibilities

• Develop and maintain web applications using modern frontend technologies.
• Collaborate with cross-functional teams to analyze requirements and ship new features.
• Design scalable frontend systems and LL/Ds for components and state management.
• Create HLDs for rendering strategies, performance, security and maintainability.
• Optimize applications for speed and scalability.
• Implement and maintain CI/CD pipelines for seamless deployments.
• Ensure UI/UX feasibility and write comprehensive unit tests.
• Document technical specifications and architectural decisions.
• Identify process improvements to boost efficiency and productivity.

Skills

React.js

Next.js

Redux Toolkit

Tailwind CSS

Jest

Education

Bachelor's degree in Computer Science / Information Technology

Tools

Material-UI

Redux

RTK queries

AWS CI/CD pipelines

Express (Node.js)

Job description

Job Title: React.js / Next.js Frontend Developer

Experience: 5–6 Years

Notice Period: Immediate – 15 Days

Location: Mumbai (Work from Office) – Kanjurmarg

As a Web Developer, you will:

• Develop and maintain web applications using modern frontend technologies.
• Collaborate with cross-functional teams to understand requirements, analyze the impact of changes, come up with reasonable timelines, define, design, and ship new features.
• Design scalable frontend systems following industry best practices and design patterns.
• Design detailed Low-Level Designs (LLDs) for components such as designing pages, incorporating strategies for managing overall state and implementing lazy loading.
• Develop High-Level Designs (HLDs) outlining techniques for rendering, performance optimization, ensuring application security, and utilizing appropriate design patterns for robustness and maintainability.
• Optimize applications for maximum speed and scalability.
• Implement and maintain CI/CD pipelines for seamless deployment.
• Ensure the technical feasibility of UI/UX designs.
• Write comprehensive unit test cases to ensure code quality and reliability.
• Knowledge of performance optimization techniques and web security best practices.
• Experience with AWS services like S3, Route53, CloudFront, ECS, EKS, etc. is a plus.
• Familiarity with CI/CD pipelines and related tools.
• Maintain clear and concise documentation of technical specifications, code changes, and architectural decisions.
• Take initiatives to identify areas for improvement in the entire development processes and propose innovative solutions to enhance efficiency and productivity.

We are looking for someone with:

• Bachelor's degree in Computer Science / Information Technology.
• 5-6 years of experience in web development using ReactJs / NextJs.
• Solid understanding of React.js, Next.js, Redux Toolkit, and Tailwind CSS.
• Experience with UI component libraries like Material-UI components.
• Familiarity with state management libraries like Redux, RTK queries, and UI component libraries like Material UI or Ant design.
• Experience with AWS CI/CD pipelines is a plus.
• Ability to write comprehensive unit test cases using testing frameworks like Jest.
• Strong problem‑solving skills and attention to detail.
• Excellent communication and collaboration skills.

Following aspects would be a plus:

• Prior experience in FinTech.
• Experience with Full Stack development.
• Experience with server-side technologies like Express (Node.js), or Django (Python) or Rails.
• Familiarity with state management libraries like Redux, MobX, and popular UI component libraries.
• Experience with AWS services.
• Contributed to open‑source projects.
• Contributed to React Native development.