
React.js Developer Responsibilities:
● 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.
● Monitoring and improving front-end performance.
React.js Developer Requirements:
● In-depth knowledge of JavaScript, CSS, HTML, and front-end languages.
● Knowledge of REACT tools including React.js, Webpack, Enzyme, Redux, and Flux.
● Experience with browser-based debugging.
● Excellent troubleshooting skills
.
Job Location - Bangalore

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Job Title: Lead Frontend Developer – React.JS
Experience Required: 10–14 Years
Location: Bengaluru (Hybrid – 3 Days WFO)
Work Hours: 11 AM – 8 PM
About the Role
We are seeking an experienced Lead Web App Developer – Frontend with a proven track record in building dynamic, user-friendly web applications. The ideal candidate will have expertise in React.js, HTML, and CSS, coupled with strong debugging and problem-solving skills. If you have a passion for crafting seamless user experiences and a collaborative mindset, we’d love to hear from you!
Key Responsibilities
- Frontend Development: Develop and maintain cloud-based web applications using React.js, HTML, and CSS.
- User-Centric Design: Collaborate closely with UX designers to transform prototypes into high-quality, responsive user interfaces.
- Code Excellence: Write clean, reusable, and efficient code using modern JavaScript/TypeScript frameworks.
- Collaboration: Work effectively in a team setting to deliver robust web applications, adhering to project deadlines and quality benchmarks.
- Version Control: Manage and track changes using Git for efficient collaboration.
- Debugging: Identify and resolve issues in a timely manner, ensuring seamless performance and user satisfaction.
What We’re Looking For
- Experience: 10+ years in web development, with a strong focus on frontend technologies.
- Technical Skills:
- Expertise in React.js, HTML, CSS, JavaScript/TypeScript, and jQuery.
- Familiarity with frameworks and libraries like Node.js.
- Proficiency in version control systems like Git.
- Design Sense: An attuned sense for design, ensuring smooth collaboration with UX teams.
- Soft Skills: Strong problem-solving abilities, attention to detail, and excellent communication skills.
- Education: Bachelor’s or Master’s degree in Computer Science, Computer Engineering, or a related field.
· 7+ years of professional experience in front-end development.
· 5+ years of hands-on experience with React.js and its ecosystem (Redux, Context API, Hooks, etc.)
· Strong understanding of JavaScript (ES6+), HTML5, and CSS3.
· Experience with RESTful APIs, GraphQL, and WebSocket integration.
· Proficiency in modern build tools (Webpack, Vite, Babel, etc.).
· Expertise in state management libraries (Redux, MobX) and React Query.
· Solid understanding of UI/UX principles and responsive design.
· Experience with testing frameworks (Jest, React Testing Library, Cypress, etc.).
· Familiarity with modern CI/CD pipelines and version control tools (Git).
As a Senior Software Development Engineer, you will drive the responsibility of developing features for our existing products and bring new innovations to the table. You will work with the latest tools and frameworks, crafting seamless user experiences that drive productivity and innovation. The ideal candidate is an enthusiastic go-getter, problem solver, and works with “there is always a “solution' attitude, combined with empathy and strong communication.
What You Will Do in This Role
- Building and developing new software features for our JustCall product.
- Working through the design, implementation, integration, testing, and deployment phases of project delivery.
- Provide software design and programming expertise to support research projects.
- Collaborating with cross-functional teams - Experimenting and reiterating on software basis feedback from customers/product & business stakeholders.
- Designing and developing new fast and robust algorithms to ensure that the platform supports millions of communications exchanges every month.
- Working with our engineering team to deploy and maintain research models in the production.
- Collaborating with the product and design teams on crafting great user experiences.
What you need to be successful
- 3-7 years of experience in ReactJS (not native), JavaScript, HTML5, and CSS3.
- Experience in designing and building systems for maximum performance, reliability, and scalability
- Experience in working with object-oriented programming with least one object-oriented programming language and understanding of browser caching.
- Experience with seamless integration of front-end to backend functionality.
- Knowledge of high-level programming concepts like promises, and data-binding.
- Ability to design relational database schema at scale with Tailwind experience, including concepts like layout, specificity, cross-browser compatibility, and accessibility.
- Proficient understanding of code versioning tools, such as Git.
- Experience with test-driven/behavior-driven development using automated testing tools.
Benefits and Perks
- Enjoy a 5-day work week with the flexibility to work from home 2 days a week.
- Take advantage of flexible holidays, allowing you to plan your vacations according to your needs.
- Celebrate collective success with frequent recognition of our team's efforts.
- Collaborate with a truly global team, spanning six countries.
SaaS Labs is a diverse international team of passionate problem solvers. With innovation, experimentation, and customer obsession at the heart of their ethos, the company has been honored with 30+ innovation awards including the coveted Deloitte Technology Fast 50 and FT High Growth Companies (Asia Pacific). We are an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. We would love to work with you. Apply now!
Key responsibilities: We are seeking a highly motivated and experienced Frontend Developer with a strong focus on React JS. In this role, you will be responsible for developing and implementing user-friendly, high-performance web applications. You will be working closely with our team of designers, developers, and project managers to ensure the successful delivery of high-quality digital products.
Responsibilities:
Develop new user-facing features using React JS
Build reusable components and libraries for future use
Collaborate with design and development teams to ensure the technical feasibility of UI/UX designs
Optimize applications for maximum speed and scalability
Write clean, maintainable, and efficient code
Stay up-to-date with emerging trends and technologies in frontend development
Participate in code reviews and contribute to the improvement of development processes
Communicate effectively with team members to ensure the timely completion of projects
Troubleshoot and debug issues that arise in production environments
Bachelor's degree in Computer Science or a related field
At least 3 years of experience in frontend development, with a strong focus on React JS
Proficient in HTML, CSS, and JavaScript
Familiarity with Git and Agile development methodologies
Experience with RESTful APIs and integration with backend systems
Strong problem-solving skills and attention to detail
Excellent written and verbal communication skills
Ability to work independently and as part of a team
Portfolio of previous work demonstrating proficiency in React JS
This is a full-time position with competitive salary and benefits. If you have a passion for frontend development and are highly skilled in React JS, we encourage you to apply for this exciting opportunity to join our team.
Be a part of one of the best IT companies that is making it easier for businesses and customers to interact with each other, efficiently and economically too.
Our client is a global platform that provides exceptional customer engagement through chatbots and various channels for their business clients. They have made their presence known across verticals, small and large businesses and even in emerging markets. The objective of their messaging platform is to create a rich experience for the marketing, sales and support teams using messaging channels, device manufacturers and operators.
They are currently working with nearly 40 thousand brands, serving almost 6 billion messages per month. Their clientele includes well-known giants such as HDFC Bank, Twitter, FB, Whatsapp, Google, LinkedIn, Zomato, Citibank, Vogue and many more. With offices based in the USA, Brazil, Mexico and India, their team has become an integral part of their clients’ numerous customer success stories.
As a Frontend Developer, you will be required to be an expert in technologies such as HTML, CSS, Javascript, ReactJS, UI Design tools, Wireframe tools etc. and work on the Frontend development of our products/ services.
What you will do:
- Designing and developing a UI framework that can be used across multiple products and website
- Working on optimization of the web application/ websites and keeping knowledge of tools used to benchmark the performance.
- Being aware of agile development (short sprints) and helping the team with debugging and troubleshooting issues.
- Learning newer technologies in UI/UX and guiding the team in delivering quality results.
What you need to have:
- 1 - 7 years of experience in front end development
- Be an expert in technologies such as HTML, CSS, Javascript, ReactJS, UI Design tools, Wireframe tools etc.
- Good experience in HTML, CSS, Java scripting
- Knowledge/experience in React js/ Redux/ Vue Js is required
- Good knowledge on UI design tools and wire frame tools
- Experience in designing UI framework
FRONTEND DEVELOPER
ROLES AND RESPONSIBILITIES:
-
Determining the structure and design of web pages.
-
Ensuring user experience determines design choices.
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Developing features to enhance the user experience.
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Striking a balance between functional and aesthetic design.
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Ensuring web design is optimized for smartphones.
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Building reusable code for future use.
-
Optimizing web pages for maximum speed and scalability.
-
Utilizing a variety of markup languages to write web pages.
REQUIREMENTS:
-
1+ years of experience in related field
- Solid understanding of how the web works and its underlying communication protocols.
-
Understanding of key design principles.
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Proficiency in HTML, CSS, JavaScript(ES5 & ES6)
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Knowledge of JavaScript framework React.js
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Experience with responsive and adaptive design.
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Understanding of SEO principles.
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Good problem-solving skills.
Position: Lead Frontend Engineer
Location: Bangalore, IN (currently remote)
Employment: Full time
Who We Are?
EmptyCup is an interior design platform. Our goal is to make good interior design accessible. Learn more about us here: https://drive.google.com/file/d/1_PBkSaHLep-QsZzRWdKMI3amc-KFe99z/view">intro presentation
You can also checkout our https://emptycup.in/">website to know more about our product offering.
Job Description
- Use your passion and deep understanding of front-end technology to create high-impact and performant user experiences.
- Lead the most creative collaboration in a cross-functional team, having design, product, and frontend teams.
- Brainstorm features with product and design teams to influence decisions guided by the possibilities and limitations of the codebase as well as the current state of technology.
- Proactively perform code reviews and participate in architecture and design discussions.
- Adopt and ensure best practices while developing, testing, maintaining, and deploying code.
Requirements
An engineer passionate about front-end who can work on projects independently, collaborate across teams, and provide mentorship and guidance to others.
- Has an experience of 4-5 years in the work
- Experience with ReactJS (knowledge of internals is a plus)
- Well versed in HTML, CSS, and JavaScript, and in a variety of design patterns
- Experience with build tools like webpack, babel, etc.
- Understanding of core UI/UX concepts
- Hands on experience Rest API, Databases, Microservices, Architecture
- Understanding of front-end security and performance testing
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