16108 - Senior React.js Developer

ParamInfo

India

Remoto

INR 2.500.000 - 4.000.000

Tempo integral

14 dias+

Uma candidatura completa em um minuto

Currículo e carta de apresentação personalizados, prontos para serem enviados.

Passe pelos filtros ATS

Resumo da vaga

ParamInfo is seeking an experienced Frontend React Developer to design, build, and maintain scalable UI solutions. You will collaborate with backend, QA, design, and product teams to deliver high-quality frontend work across multiple projects in India.

Ideal candidates have 8–10 years of hands-on React.js experience, strong TypeScript, HTML5/CSS3 skills, and a solid understanding of performance, security, and testing.

Qualificações

8–10 years of professional frontend development experience.
At least 8–10 years of hands-on experience with React.js.
Strong problem-solving, debugging, and analytical skills.
Ability to work independently and collaborate with cross-functional teams.
Bachelor's degree in Computer Science, Information Technology, or related field, or equivalent experience.

Responsabilidades

Design, develop, and maintain scalable and responsive web applications using React.js.
Build reusable UI components and modular frontend architectures.
Integrate frontend with RESTful APIs and handle asynchronous operations.
Optimize performance, bundle size, code splitting, and lazy loading.
Implement secure frontend practices including auth and session handling.
Write unit and component tests using Jest, React Testing Library, or equivalents.
Participate in code reviews and ensure coding standards.
Troubleshoot production issues and improve reliability.
Collaborate with backend engineers, QA, designers, and stakeholders.
Contribute to CI/CD pipelines and frontend deployment.

Conhecimentos

React.js

TypeScript

HTML5

CSS3

Redux Toolkit

React Hooks

REST API integration

Unit testing

Agile/Scrum

Web performance

Formação

Bachelor's degree in Computer Science / IT

Ferramentas

Git

NPM/Yarn/Pnpm

Vite

Webpack

Descrição da vaga

Location: PAN India (Any Location), India

The candidate will work closely with backend developers, UI/UX designers, QA engineers, and product managers to deliver high-quality, maintainable frontend solutions.

Key Responsibilities:

Design, develop, and maintain scalable and responsive web applications using React.js.
Build reusable UI components and modular frontend architectures.
Integrate frontend applications with RESTful APIs and handle asynchronous operations, errors, and loading states.
Optimize application performance, including rendering efficiency, bundle size, code splitting, and lazy loading.
Implement secure frontend development practices, including authentication, authorization, session handling, and protection against common web vulnerabilities.
Write unit and component tests using Jest, React Testing Library, or equivalent tools.
Participate in code reviews and ensure adherence to coding standards and best practices.
Troubleshoot production issues, debug complex frontend problems, and improve application reliability.
Collaborate with backend engineers, QA teams, designers, and business stakeholders.
Contribute to CI/CD pipelines, build processes, and frontend deployment activities.
Mentor junior developers and contribute to technical design discussions.

Required Technical Skills:

Frontend Development

Strong hands-on experience with React.js and functional components.
Proficiency in TypeScript, HTML5, CSS3, and responsive web design.
Experience with React Hooks, component lifecycle concepts, and component composition.
Experience with Redux Toolkit or other established state management solutions.
Knowledge of CSS frameworks and UI libraries such as Material UI, Bootstrap, or Tailwind CSS.

API Integration and Security

Experience integrating REST APIs using Fetch, Axios, or equivalent libraries.
Understanding of HTTP methods, status codes, headers, CORS, and API error handling.
Familiarity with OAuth 2.0, OpenID Connect, JWT-based authentication, and role-based access control.
Understanding of frontend security risks, including XSS, CSRF, and secure token/session management.

Performance and Quality

Knowledge of code splitting, lazy loading, memoization, and efficient rendering.
Experience writing unit and integration tests using Jest and React Testing Library.
Familiarity with ESLint, Prettier, and automated code quality checks.

Build, Deployment, and Collaboration

Experience with Git and pull-request-based development workflows.
Familiarity with npm/yarn/pnpm and modern build tools such as Vite or Webpack.
Exposure to CI/CD pipelines and cloud-based application deployment.
Experience working in Agile/Scrum teams.

Preferred Skills

Experience with Next.js, server-side rendering, or static site generation.
Familiarity with accessibility standards such as WCAG and semantic HTML.
Experience with frontend monitoring, error tracking, and production diagnostics.
Exposure to micro-frontends and large-scale frontend architecture.
Experience developing enterprise applications in banking, financial services, or other regulated industries.

Experience and Qualifications

8–10 years of professional frontend development experience.
At least 8–10 years of hands-on experience with React.js.
Strong problem-solving, debugging, and analytical skills.
Ability to work independently, take ownership of deliverables, and collaborate effectively with cross-functional teams.
Bachelor's degree in Computer Science, Information Technology, or a related field, or equivalent practical experience.

Success Criteria

Deliver maintainable, reusable, and well-tested frontend code.
Meet agreed performance, quality, and delivery standards.
Minimize production defects and recurring frontend issues.Ensure reliable integration with backend APIs.
Contribute to code reviews, technical decisions, and continuous improvement of the frontend codebase.

Required Skills

Skill

Years

Months

React JS Developer 8 0

REST API integration 8 0

JavaScript/TypeScript 8 0

Redux Toolkit 8 0

JavaScript (ES6+) 8 0

React hooks 8 0

HTML5, CSS3 8 0

REST APIs 8 0