Job Description: React Developer (3–5 Years Experience)
Location: Mumbai
Employment Type: Full-time
Role: Frontend Developer (React.js)
About the Role
We are looking for a highly skilled React Developer with 3–5 years of hands-on experience in building modern, scalable, and responsive web applications. The ideal candidate should be proficient in React.js, frontend architecture, state management, and UI best practices.
Key Responsibilities
- Develop responsive, high-performance web applications using React.js, JavaScript/TypeScript.
- Build reusable components and front-end libraries for future use.
- Work closely with UI/UX designers to convert wireframes and prototypes into functional user interfaces.
- Optimize applications for maximum speed, scalability, and cross-browser compatibility.
- Integrate RESTful APIs and work collaboratively with backend teams.
- Participate in code reviews and contribute to continuous improvement of best practices.
- Troubleshoot, debug, and enhance existing applications.
- Ensure high code quality through proper testing and documentation.
Required Skills & Experience
- 3–5 years of professional experience in React.js development.
- Strong proficiency in JavaScript (ES6+) and TypeScript.
- Hands-on experience with Redux, Context API, or other state-management libraries.
- Good understanding of HTML5, CSS3, SASS, and modern UI frameworks.
- Experience working with REST APIs, JSON, and asynchronous programming.
- Familiarity with build tools like Webpack, Vite, Babel, etc.
- Understanding of Git and version control workflows.
- Knowledge of React hooks, performance optimization, and component lifecycle.
- Experience with testing frameworks (Jest, React Testing Library) is a plus.
Good to Have
- Experience with Next.js or server-side rendering.
- Knowledge of UI libraries such as Material-UI, Ant Design, or Chakra.
- Familiarity with Agile/Scrum methodologies.
- Basic exposure to DevOps tools and CI/CD pipelines.
Why Join Us?
- Opportunity to work on cutting-edge technologies.
- Collaborative, fast-paced, and growth-oriented environment.
- Competitive compensation and employee benefits.
Shubham Vishwakarma
Full Stack Developer - Averlon
About Tradelab Software Private Limited
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As a Frontend Developer, your responsibilities will include:
- Developing new user-facing features using React.js and integrating with backend services.
- Building reusable components and front-end libraries for future use.
- Translating designs and wireframes into high-quality code.
- Optimizing components for maximum performance across a broad spectrum of web-capable devices and browsers.
Key Performance Indicators:
- Efficiency and quality of the code developed.
- Adherence to project timelines and delivery milestones.
- Positive stakeholder feedback on usability and design.
- Continuous improvement and adoption of best practices in frontend development.
Prior Experience Required:
- Minimum 3+ years of experience in frontend web development.
- Proficient in JavaScript, including DOM manipulation and the JavaScript object model.
- Extensive experience with React.js and its core principles.
- Strong proficiency in HTML5, CSS3, and modern frontend development tools.
- Experience with popular React.js workflows (such as Redux).
- Familiarity with newer specifications of EcmaScript.
- Experience with data structure libraries (e.g., Immutable.js).
- Good understanding of RESTful APIs and modern authorization mechanisms (e.g., JSON Web Token).
- Good to have: Experience with TypeScript and Next.js.
Location:
Hyderabad
Collaboration:
The role involves working closely with backend developers, UI/UX designers, and project managers to deliver seamless, high-quality web applications.
Salary:
Competitive, based on experience and market standards.
Education:
- Bachelor's degree in Computer Science, Information Technology, or a related field.
Language Skills:
- Strong command of Business English, both verbal and written, is required.
Other Skills:
- Excellent problem-solving skills.
- Looking for perfection in development
- Taking Ownership and Accountability in a fast-paced environment.
- Proficiency in code versioning tools, such as Git.
- Knowledge of modern frontend build pipelines and tools.
- Experience with responsive and adaptive design.
Additional Requirements:
- Portfolio of previous projects that demonstrates expertise in frontend development.
- Familiarity with agile methodologies.
- Strong teamwork skills, with the ability to collaborate effectively with colleagues and clients across diverse teams.
Employer:
About RaptorX
RaptorX is a fintech startup focused on redefining fraud detection and prevention in real time for banks, financial institutions, and digital platforms. Backed by top-tier investors, including senior technology leaders from Google, Microsoft, and Peak XV Partners, RaptorX leverages advanced AI models for anomaly detection, and high-throughput architecture to stay ahead of sophisticated fraud patterns.
Hands-on experience with TypeScript on ReactJS projects
Work Responsibilities
- What You’ll Do:
- Engineers will develop and improve features for products such as WebView pages called from within Mercari’s web version and native app, along with tools used by the Customer Support Team for answering user inquiries and providing transaction support.
- Senior engineers in the Frontend Team are expected to use their technical skills to lead the team and product development, train members through design and code reviews, and make contributions and improvements to the hiring process, including technical tests.
- Development Environment:
- Languages: HTML, CSS, JavaScript, TypeScript, React, Gatsby, Next.js, GraphQL, Apollo Client, Redux, Cypress, Rendertron, Lit, Playwright
- Infrastructures: Google Cloud Platform (Compute Engine, Kubernetes Engine, App Engine)
- Configuration management tool: Terraform
- Other: Circle CI, GitHub, Slack, JIRA, Crowi, Spinnaker, Datadog
Minimum Requirements
- Shared understanding and belief in Mercari Group's mission and values
- At least 3 years of experience in development related to frontend fields such as web browsers, JavaScript, TypeScript, React.js, Next.js, or Redux
- Experience with developing and operating large-scale products
- Ability to design and develop with performance and scalability in mind
- Ability to use HTML and CSS to implement solid user interfaces
- Knowledge of JavaScript and experience developing with UI libraries or frameworks such as React, Vue.js, and Angular
- Able to understand and explain web operation principles and browsers
- Understanding of version management and ability to participate in development via Git
- Effective communication skills, needed for product development with team members and with other teams
Preferred Requirements
- Extensive knowledge of standard web technologies and specialized knowledge in some areas, like TypeScript, React.js, Next.js, Redux
- Understanding of the characteristics of different libraries/frameworks and the ability to introduce them to projects where necessary
- Ability to design architecture based on the characteristics of the app
- Ability to consistently take initiative in implementing improvements to the app
- Project management and/or team leadership
- Cloud development experience (preferably GCP or AWS)
- Experience contributing to an open-source project
- Familiarity with CI systems and the release process
Working Conditions
Employment Status
Full-time
Office
Bangalore
- Hybrid Workstyle
We are looking for a great JavaScript developer who is proficient with React.js. Your primary focus will be on developing user interface components and implementing them following well-known React.js workflows (such as Flux or Redux). You will ensure that these components and the overall application are robust and easy to maintain. You will coordinate with the rest of the team working on different layers of the infrastructure. Therefore, a commitment to collaborative problem-solving, sophisticated design and quality products is important.
Responsibilities
-
Developing new user-facing features using React.js
-
Building reusable components and front-end libraries for future use
-
Translating designs and wireframes into high-quality code
-
Optimizing components for maximum performance across a vast array of web-capable devices and browsers
Skills
-
Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model
-
Thorough understanding of React.js and its core principles
-
Experience with popular React.js workflows (such as Flux or Redux)
-
Familiarity with newer specifications of EcmaScript
-
Experience with data structure libraries (e.g., Immutable.js)
-
Knowledge of isomorphic React is a plus
-
Familiarity with RESTful APIs
-
Knowledge of modern authorization mechanisms, such as JSON Web Token
-
Familiarity with modern front-end build pipelines and tools
-
Experience with common front-end development tools such as Babel, Webpack, NPM, etc.
-
Ability to understand business requirements and translate them into technical requirements
-
A knack for benchmarking and optimization
- 5+ years of experience in software engineering
- A background in front-end web development and/or API development.
- Demonstrated competency in one or more of the following: JavaScript, TypeScript, React/Redux, AngularJS, or comparable JavaScript MVC framework.
- Demonstrated competency in one or more of the following client-side build tool: Webpack, gulp, jspm
- Have a good understanding of what good UX and UI design are.
- Experienced in client-side framework/technologies before such as: React, AngularJS, jQuery, HTML, CSS
- Experienced in using client-side build tools such as gulp, WebPack, JSPM, NodeJS, and other CLI is a plus
- Understand how to get good performance on UI implementation (time to interaction, bundling, and splitting resources)
- Some previous work portfolios would be great.
- Good knowledge of how to use source control systems like git and GitHub.
About Company: Spica Systems (https://spicasys.com )
Spica Systems is a Silicon Valley based start-up, established in 2019 and are recognized as experts in building products and providing R& DandSoftware Development services in wide range of leading-edge technologies such as LTE, 5G, Cloud Services (Public -AWS, AZURE, GCP, Private -Openstack) and Kubernetes. Ithasa highly scalable and secured 5G Packet Core Network, orchestrated by ML powered Kubernetes platform, which can be deployed in various multi cloud modealong with a test tool. Headquartered in San Jose, California, we have our R& D centre in Sector V, Salt Lake Kolkata.
- Looking for a Software developer who will work on the product's Web UI side
- Hands on and working experience with React JS
- Experience in WebUI using Javascript technology.
- Experience: 2-4 years of React development in a team environment
- In-depth knowledge of JavaScript, CSS, HTML, and front-end languages.
- Knowledge of REACT tools including React.js, Webpack, Redux.
- Experience with user interface design. Knowledge of performance testing frameworks including Mocha and Jest.
- Experience with browser-based debugging and performance testing software.
Education: Bachelors/Masters in Computer Science, IT or Mathematics or Engineering
Traits: Quick learner, open minded, willing to learn
- Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model
- Thorough understanding of React.js and its core principles
- Prior experience with popular React.js workflows (such as Flux or Redux)
- Familiarity with more current specifications of EcmaScript
- Prior experience with data structure libraries (e.g., Immutable.js)
- Knowledge of isomorphic React is a plus
- Familiarity with RESTful APIs
- Familiarity with HTML / CSS
- GIT experience is a plus
- Knowledge of modern authorization mechanisms, such as JSON Web Token
- Familiarity with modern front-end build pipelines and tools
- Experience with common front-end development tools such as Babel, Webpack, NPM, etc.
- Ability to understand business requirements and translate them into technical requirements
- A knack for benchmarking and optimization
- Familiarity with code versioning tools
Job Requirements:
Strong experience in JavaScript (ES5), Object-oriented JavaScript and ES2015 concepts.* Experience in ReactJS with good understanding of React Lifecycle methods, component-based design and flux pattern.
* Experience in CSS frameworks (Bootstrap/Material Design/Foundation)
* Experience in unit testing frameworks (Jasmine/Mocha/Jest)
* Experience in module bundler or task manager (Webpack/System.js/Gulp/Grunt)
* Experience in web application profiling using tools such as Chrome DevTools
* Additional skills: Knowledge of ESB, NoSQL databases (Hadoop/Cassandra/MongoDB), experience with mobile, SaaS and cloud-based development.
* Ability to explore and grasp new technologies.
1. Experience and in-depth knowledge of HTML and CSS. (PRIMARY)
2. Knowledge of Principles of Responsive Web Design.
3. Experienced with JavaScript and ideally knowledge of one of these frameworks Angular, React, or Polymer.
4. Knowledge and experience integrating web apps with back-end using REST API's .
5. Knowledge of VC like Git.
Extras:
1. Principles of Web Performance Standards and PWA's.
2. Build and Automation tooling using a package like Gulp or Grunt.
3. Comfortable with the command line and usage of package managers like npm and gulp.
Follow CutshortShubham Vishwakarma
Full Stack Developer - Averlon