
Front-End Developer (React.js) – Mumbai | Immediate Joiners
Location: Mumbai
Experience: 2+ Years
Job Type: Full-Time
Notice Period: Immediate Joiners Only
About the Role
We are hiring a Front-End Developer to join our product engineering team. The ideal candidate has experience working in product-based companies and has contributed to at least one end-to-end e-commerce platform project.
Key Responsibilities
- Develop and maintain responsive UIs using React.js
- Convert UI/UX designs into reusable front-end components
- Optimize components for performance and cross-browser compatibility
- Integrate front-end with backend RESTful APIs
- Collaborate with product, design, QA, and backend teams
- Participate in code reviews, agile ceremonies, and testing
Required Skills
- Strong in JavaScript (ES6+), React.js, HTML5, CSS3
- Experience with Redux/Zustand for state management
- Knowledge of REST APIs, responsive design, and Git
- Familiarity with debugging and front-end performance optimization

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Job Description:
Responsibilities:
- Lead frontend architecture and ensure code quality, scalability, and performance.
- Drive the development of high-quality web applications using React.js, Next.js, Redux, and modern JavaScript
practices.
- Mentor and guide junior and mid-level developers through code reviews and technical discussions.
- Work closely with cross-functional teams including backend engineers, designers, and product managers.
- Optimize frontend performance, SEO, accessibility, and responsiveness.
- Maintain a reusable component library with adherence to design systems and frontend best practices.
- Define and enforce coding standards and development workflows.
- Stay updated with the latest frontend trends and bring innovation to the team.
Required Skills & Qualifications:
- 4+ years of experience in frontend development with React.js (including at least 1 year in a lead or
mentoring role)
- Strong command of JavaScript (ES6+), HTML5, CSS3, and TypeScript.
- Hands-on experience with Redux, Next.js, RESTful APIs, and component-driven development
- Proficient with UI frameworks like Tailwind CSS, Material-UI, or Bootstrap
- Familiar with testing tools like Jest, React Testing Library
- Exposure to backend fundamentals or APIs (Node.js, Java, Python - a plus)
- Excellent communication and leadership skills with the ability to manage deadlines and priorities
Nice to Have :
- Experience with other frontend frameworks like Vue.js or Angular
- Understanding of CI/CD pipelines and DevOps tools
- Experience working in Agile/Scrum environments

We are looking for a skilled Sr. React.js Developer to join our front-end development team. In this role,
you will be responsible for developing and implementing user interface components using React.js
concepts and workflows such as Redux, Flux, and Webpack. Someone with great communication &
managerial skills to handle a team and can interact with the designers, developers , stakeholders in order
to avail interactive and scalable sites.
Key Attributes you need to possess: -
- Prioritization- Should have a strong work ethics and show up on time at sessions with excellent skills
in predicting the amount of time needed to plan, coordinate, and perform on a task or manage their clients
as and when required.
- Quick Learning Ability- You should be an amazing self-learner who has the ability to learn new
technology on their own and is not threatened by new technologies. Someone who has an ability to pull
various bits of information and to process information on the fly with good logical and analytical skills.
- Deep and Broad Technical Experience- Someone who is able to hit the ground because they already
know the right technology.They should be able to meet coding principles and write code that is readable
and commented-on where appropriate.Through incorporating their cognitive abilities and extensive
industry experience, they are able to find optimal solutions easily.
- High-End User Focus-A good programmer does what they are asked to do, while a great programmer
thinks of the end user of the software and works to solve problems within the organization’s
capabilities.Someone who knows the functionality they’re creating is of high value.
- Business Acumen- Should have a great eye for Business acumen as the product build will be exposed to
millions of customers on-brand digital assets hence giving you exposure for handling a large user base in
a live environment.
- Collaborative- Someone who is able to collaborate with the junior frontend teams, to mentor them and
to guide them through proper execution of their tasks and can interact with the designers, developers ,
stakeholders in order to avail interactive and scalable sites.
Typical work week look like:-
- Meeting with the development team to discuss user interface ideas and applications.
- Handling a team of Junior frontend developers and guiding them for the proper execution of their tasks.
- Reviewing application requirements and interface designs.
- Identifying web-based user interactions.
- Developing and implementing highly-responsive user interface components using React concepts.
- Writing application interface codes using JavaScript following React.js workflows.
- Troubleshooting interface software and debugging application codes.
- Developing and implementing front-end architecture to support user interface concepts.
- Monitoring and improving front-end performance.
- Documenting application changes and developing updates.
Our ideal candidate should have:-
- 4+ years of relevant experience in a Tech Startup
- Previous experience working as a React.js Developer.
- A solid grounding in Computer Science fundamentals (based on a BE/BTech or MS in Information
Technologies/Computer Science)
- Strong proficiency with JavaScript and ES6.
- Strong understanding of web markup, including HTML5, CSS3.
- Proficient understanding of React & Redux and also having familiarity with RESTful APIs & Git.
What you can expect from Company:-
- Passion & happiness in the workplace with great people & open culture with amazing growth
opportunities.
- An ecosystem where leadership is fostered which builds an environment where everyone is free to take
necessary actions to learn from real experiences.
- Chance to work on the cutting edge of technology.
- Freedom to pursue your ideas and tinker with multiple technologies- which a techie would definitely
enjoy!!
If you have outstanding programming skills and a great passion for developing beautiful, innovative
applications, then you will love this job
Job Description:
We are looking for a good 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 product 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 (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
- Ability to understand business requirements and translate them into technical requirements
- A knack for benchmarking and optimization
- Familiarity with code versioning tools (such as Git, SVN, and Mercurial)
React Native
Redux
React Hooks
Developing new user-facing features using React Native
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
Strong proficiency in JavaScript, including DOM manipulation and the
JavaScript object model
Experience with popular React Native workflows (Redux)
5 Days Working
WOrk From Office
Interviews are F2F
We are looking for a good 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 product 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 (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
- Ability to understand business requirements and translate them into technical requirements
- A knack for benchmarking and optimization
- Familiarity with code versioning tools (such as Git, SVN, and Mercurial)
- To analysis business requirements, prepare design and implementation recommendations and estimate development effort
- Collaborate with cross-functional teams to define, design, and ship new features
- Lead or participate in design reviews, code reviews and architecture evolution discussions
- Unit-test code for robustness, including edge cases, usability, and general reliability
- Work on bug fixing and improving application performance
- Continuously discover, evaluate, and implement new technologies to maximize development efficiency
Skills Required :
- Experienced with front end programming language with React JS.
- 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).
- Knowledge of modern authorization mechanisms, such as JSON Web Token.
- Familiarity with modern front-end build pipelines and tools.
- Familiarity with code versioning tools (such as Git, SVN, ).
- Candidates with Good communication Skills.
Role Summary
We are looking for Front-End Web Developers who are motivated to combine the art of
design with the art of programming. Responsibilities will include translation of the UI/UX
design wireframes to actual code that will produce visual elements of the application. You
will work with the UI/UX designer and bridge the gap between graphical design and
technical implementation, taking an active role on both sides and defining how the
application looks as well as how it works.
Responsibilities
- Develop new user-facing features
- Writing tested, idiomatic, and documented JavaScript, HTML and CSS/SCSS
- Ensure the technical feasibility of UI/UX designs
- Optimize application for maximum speed and scalability
- Cooperating with the back-end developer in the process of building the RESTful API
- Build reusable code and libraries for future use
- Builds the interactive data visualization and data interfaces using web technologies.
- Assure that all user input is validated before submitting to back-end
- Translation of the UI/UX design wireframes to actual code that will produce visual
- elements of the application.
Minimum Qualifications
- Minimum 3 + years of experience in ReactJS / Native development
- Experience in writing extensive unit test.
Preferred Qualifications
8+ years of experience in software development using modern languages (ReactJS/Native etc)- Thorough understanding of ReactJS, Redux, Node.Js, Express Js etc
- Familiarity with modern front-end build pipelines and tools
- Design and develop scalable, performant and responsive FE architecture.
- Ability to deliver in test-driven method
- Critical thinker and problem-solving skills
- Nice to have worked on mobile products (IOS & Android)
- Experience in writing extensive unit tests
- Own code quality and experience in writing extensive unit tests
- Proven ability to learn and adapt to new technologies and frameworks quickly
- Excellent debugging and problem-solving capability.
- Team player
Good time-management skills
Job Description: Senior React.js Developer
- 2+ years of relevant experience in software development building web applications
- Well acquainted with cutting edge front-end framework like React Javascript dialects like ES6.
- CSS frameworks like Bootstrap, Foundation HTML5, CSS3 and tools like Gulp/Webpack
- Strong analytical and problem- solving skills paired with the ability to develop creative and efficient solutions.
- Enjoys and gets energized by complex problem solving and ability to push the innovation on solutions.
- Ability to work both independently and in various team settings.
Levelup11 is a Fantasy Gaming Startup, which aims to entertain the people not with Cricket, Football, Kabaddi but Horse Racing . Levelup11's vision is to make accessible the elite game of Horse Racing to masses of tier 2 and tier 3 users
We are growing and looking to expand our team in backend, frontend , UI/UX.
We are looking for dynamic folks for our Frontend development, who are passionate to work in Game Tech Startup
Frontend Developer:
- Meeting with the development team to discuss user interface ideas and applications.
- Reviewing application requirements and interface designs.
- Identifying web-based user interactions.
- Developing and implementing highly-responsive user interface components using React concepts.
- Writing application interface codes using JavaScript following React.js workflows.
- Troubleshooting interface software and debugging application codes.
- Developing and implementing front-end architecture to support user interface concepts.
- Monitoring and improving front-end performance.
- Documenting application changes and developing updates.









