11+ JSL Jobs in Mumbai | JSL Job openings in Mumbai

Primary purpose of the role:

Front end development of websites and applications using CSS3, HTML5, jQuery and other skills to produce clean, functional and web compliant projects to be handed over to Back End Developers to be further worked on as well as CSS bug fixes post Back End development

Major responsibilities & deliverables:

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1. Great skills in HTML, CSS, JavaScript and cross browser implementations.
2. Strong analytical and problem-solving skills.
3. Experience and knowledge about the cool stuff in HTML5 and CSS3.
4. At Least knowledge of one JavaScript framework such as VueJs, ReactJs, AngularJs
5. Proficiency and familiarity with CSS/JavaScript frameworks and utilities such as HTML5 Boilerplate, jQuery, Modernizr, Firebug, JSLint, minification, and others. 
6. Taking PSD files from designers, slicing and/or recreating elements via CSS to match the design perfectly
7. Ability to make modifications to libraries in jQuery as per requirement of a project
8. Extensive knowledge of fonts, embedding from third parties like Google, Typekit & Font Deck etc.
9. Knowledge of optimizing CSS/JavaScript performance, by coding practices and tools.
10. Passion and follow through for their work. Excited and curious about learning new technology, as well as the sharing of ideas. Exceptional collaboration, listening, written, and verbal communication. Able to own individual projects as well as the ability to work within a team.
11. Awareness of current design trends in the visual arts, working knowledge of the latest computer packages and an understanding time limits which can impact on the design.
12. Knowledge of GIT or any other version control software.

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🚀 Hiring: React.js

⭐ Experience: 2+ Years

📍 Location: Mumbai

⭐ Work Mode:- 5 Days Work From Office

⏱️ Notice Period: Immediate Joiners or 15 Days

(Only immediate joiners & candidates serving notice period)

We’re looking for a skilled React.js Developer to join our growing team! If you love building dynamic, user-friendly web applications and have strong expertise in React.js, JavaScript (ES6+), and modern front-end tools, this role is for you.

✅ Key Skills:

• Proficiency in React.js, JavaScript (ES6+), HTML5, CSS3
• Experience with Redux / Context API
• Strong knowledge of REST APIs & JSON
• Familiarity with Git & Agile development
• Bonus: TypeScript, Next.js, Testing (Jest/Enzyme), UI frameworks (Material-UI/Tailwind)

Profile: React.js

Location: Andheri East, Mumbai

Experience Required: 3+ Years

Employment Type: Full-time

Required Skills & Qualifications

• Experience: Minimum 3+ years of professional experience in React.js development
• Core Technologies:Strong proficiency in JavaScript (ES6+)
• Extensive experience with React.js and its ecosystem
• Solid understanding of HTML5, CSS3, and responsive design
• Experience with state management libraries (Redux, Context API)
• Knowledge of modern build tools (Webpack, Vite, etc.)
• Familiarity with version control systems (Git)
• Technical Skills:Understanding of RESTful API integration
• Experience with testing frameworks (Jest, React Testing Library)
• Knowledge of modern CSS frameworks (Bootstrap, Material-UI, Tailwind CSS)
• Familiarity with TypeScript is a plus
• Understanding of performance optimization techniques

Location: Mumbai

Experience Required: 2+ Years

Job Type: Full-Time

Notice Period: Immediate Joiners

About the Role

We are seeking a skilled and experienced Front-End Developer to join our product engineering team. The ideal candidate must have experience working in a product-based software development company and should have hands-on involvement in e-commerce platform projects.

Mandatory Criteria

• Candidate must be currently working or have prior experience in a product-based software development company
• Candidate must have worked on at least one e-commerce platform project (end-to-end involvement)

Key Responsibilities

• Develop and maintain responsive, high-performance web interfaces using React.js
• Translate UI/UX designs into pixel-perfect, reusable front-end components
• Optimize components for maximum performance and cross-browser compatibility
• Integrate front-end components with backend RESTful APIs
• Collaborate with design, backend, and QA teams to deliver seamless user experiences
• Participate in code reviews, testing, and agile development ceremonies

Required Skills

• Strong proficiency in JavaScript (ES6+), React.js, HTML5, and CSS3
• Experience with state management libraries such as Redux or Zustand
• Solid understanding of responsive design and cross-browser compatibility
• Familiarity with RESTful APIs and API integration
• Knowledge of version control systems like Git
• Understanding of performance optimization, debugging, and front-end testing practices

About

Company is a platform of digital first health clinics owned and operated under one house, with each of them working together toward one mission: To help Indians lead a more fulfilling life surrounded by wellness and grace.

The business is creating a family of purposeful health platforms with personalized solutions for a particular problem in a niche segment. Each platform provides the essentials to enable an individual segment of people to lead a graceful life full of purpose and well being. You can check out the digital health clinic for men at manmatters.com and the digital health clinic for women at bebodywise.com

Role

As the lead for the frontend development team at this , you will be the sole owner of the entire FE development cycle for our consumer-facing web products in ReactJS. Also, you will be responsible for shaping up the entire system for scale and collaborating intensively with the backend and design teams to create the best consumer experiences. You would also need to control the mobile app development lifecycle on ReactNative.

Responsibilities

• Overlook development of all user-facing products in React
• Build reusable components and front-end libraries for future use
• Translate designs and wireframes into high quality code
• Optimize components for maximum performance across a vast array of web-capable devices and browsers
• Focus on code maintainability and performance of application
• Provide technical advice and assists in solving programming problems
• Use Server Side Rendering when applicable
• Enhance SEO, Analytics and overall frontend architecture for better performance

Requirements

• 4+ years of experience building frontend for consumer facing products
• 2+ years on ReactJS for consumer facing products
• 1+ years of Team Lead/Management experience
• Thorough understanding of architecting the frontend system with Server Side Rendering
• Good foundation in design and a knack for designing interactions and elegant interfaces
• Understands app development cycle
• Experience with NodeJS for Server Side Rendering/coordinating with the backend team for API requirements
• Must come up with caching solutions where required to speed up the website load speed and improve customer experience

What you need to have:

• Collaborate with team members to develop high quality software.
• Develop intuitive software that meets and exceeds the needs of the company.
• Professionally maintain all software and create updates regularly to address customer and company concerns.
• Analyze and test programs and products before formal launch. Troubleshoot coding problems quickly and efficiently.
• Designing, developing, and testing UI for mobile and web applications. Build reusable code and libraries for future use.
• Accurately translate user and business needs into functional frontend code