
Job Title: Sr. Frontend Developer (Javascript)
Location: Remote Only
Experience Required: 4–6 years
Salary Range: 7L – 10L per year
About the Role:
We are looking for an experienced Sr. Frontend Developer with strong expertise in Javascript to join our remote team. The ideal candidate will have 4–6 years of hands-on experience in frontend development, with a focus on building responsive, high-performance web applications. You will work closely with cross-functional teams to design, develop, and implement user-facing features that align with business goals and enhance user experience.
Key Responsibilities:
- Develop and maintain scalable, reusable frontend components and applications using modern Javascript frameworks and libraries.
- Collaborate with UI/UX designers, product managers, and backend developers to deliver seamless user experiences.
- Optimize applications for maximum speed, scalability, and accessibility.
- Write clean, modular, and well-documented code following best practices.
- Participate in code reviews, sprint planning, and agile development processes.
- Troubleshoot, debug, and resolve frontend-related issues.
- Stay updated with emerging frontend technologies and industry trends.
Must-Have Skills:
- Javascript (ES6+)
- React.js
- React Native
- NodeJS (Node.js)
- SQL
Nice-to-Have Skills:
- Experience with state management libraries (Redux, Context API, etc.)
- Familiarity with testing frameworks (Jest, Cypress, React Testing Library)
- Knowledge of frontend build tools (Webpack, Babel, NPM/Yarn)
- Understanding of RESTful APIs and GraphQL
- Experience with version control systems (Git)
- Familiarity with CI/CD pipelines and deployment processes
Qualifications:
- 4–6 years of professional frontend development experience.
- Proven track record of delivering high-quality, production-ready applications.
- Strong understanding of responsive design, cross-browser compatibility, and web performance optimization.
- Excellent problem-solving skills and attention to detail.
- Ability to work independently in a remote environment and communicate effectively with distributed teams.
What We Offer:
- Competitive salary within the range of 7L – 10L per year.
- Fully remote work flexibility.
- Opportunity to work on innovative projects with a talented and supportive team.
- Professional growth and skill development opportunities.

About Appler
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Company Profile:
We are BeyondScale, on a mission to build the mobile learning app to help organizations create internal courses for their workforce easily. eLearning is booming and we aim to tap into the under-served non-IT L&D market and make a difference in the livelihoods of millions of people.We’re now looking for a passionate “/ReactJS Developer” who is willing to join us at an early stage and help us build a world-class product.
Required Skills
- 2+ years of RELEVANT EXPERIENCE in ReactJS
- Strong Computer Science fundamentals - data structures and algorithms
- Strong understanding of ReactJS Ecosystem (State management, Component-based design, Hooks, Responsive design)
- Good with CSS (converting UI designs to code)
- Writing clean and maintainable code
- Proficient understanding of APIs and wiring them
- Strong testing, debugging, and problem-solving skills
- Familiar with modern development practices - writing clean code, git versioning, understanding development workflows
Frontend Developer
We are inspiring the next generation of young innovators and entrepreneurs in India. We're an education startup co-founded by a Computer Science grad from MIT/Harvard and the former CEO of Apple India. We started out as code school, offering creative tech boot-camps on topics like Drone Programming, Android App Development, Game Programming, Full-Stack Web Development to k-12 students across the nation, and now we're building web and mobile products to deliver powerful learning experiences to students online, at scale.
Job Description
We are looking for a Front End developer who is excellent with JavaScript (React.js + Redux). Some proficiency with Node.js preferred as you’ll be hooking up your front-ends to APIs and occasionally writing your own.
Your primary focus will be to develop the UI/UX for highly interactive / social / multiplayer learning platform, across the Student Product, Parent Product, Teacher Product, Virtual Classroom, and more.
Responsibilities
- Translating designs and wireframes into high quality React code
- Styling re-usable components with pixel perfection and mobile responsiveness
- Structuring state and information flow across your front-end app using Redux
- Optimizing your code for SEO and maximum performance across a vast array of web-capable devices and browsers
Skills / Required Experience
- 3+ years of hands-on experience with React.js
- 2+ years of hands-on experience with Redux
- Bonus: past experience with Socket.io and WebRTC
- Writing and consuming REST APIs with Node.js
- A knack for benchmarking and optimization
- Familiarity with modern front-end build pipelines and tools
What will you do?
• Developing new user-facing features using React & Redux
• Build modular layouts, reusable code and libraries for future use
• Refactor, optimize and improve the existing code base for maintenance and scale
• Use test-driven development and acceptance tests to ensure feature quality
• Design and implementation of low-latency, high-availability, and performant applications
• Optimize application for maximum speed and scalability
• Work closely with back-end developers to make sure the user experience is implemented as it was conceived
Skills Required
• Strong proficiency in JavaScript, object model, DOM manipulation and event handlers, data structures, algorithms, JSX, and Babel
• Complete understanding of ReactJS and its main fundamentals like JSX, Virtual DOM, component lifecycle, etc.
In-depth understanding of redux
• Understanding of RESTful APIs, HTML/CSS, ES6 (variables and scoping, array methods), code versioning tools like GIT, and NPM
• Good understanding of Promises, Async/ Await and Callbacks
• Should have good knowledge of Socket
• Understanding the nature of asynchronous programming and its quirks and workarounds
• In-depth knowledge of object-oriented programming
• Understanding of JavaScript Development on the server side using NodeJS and Express would be a plus
• Knowledge of ES6 would be a plus
• Should have good hands-on experience on MongoDB, designing optimized database structures using MongoDB and writing optimized queries for better performance
● Design and develop responsive and visually appealing web applications and user interfaces using HTML, CSS, and JavaScript, React frameworks.
● Collaborate with UX designers, product managers, and software engineers to understand project requirements and translate them into interactive, user-friendly interfaces.
● Ensure the technical feasibility of UI/UX designs and optimise applications for maximum speed and scalability.
● Conduct code reviews and provide constructive feedback to team members, fostering a culture of continuous improvement.
● Stay updated with the latest industry trends, best practices, and emerging technologies in UI development, and recommend their integration to enhance our products.
● Identify and address performance and compatibility issues across different browsers and platforms.
● Champion UI development best practices, standards, and guidelines within the development team.
● Collaborate with backend developers to integrate front-end interfaces with server-side logic and APIs.
● Troubleshoot and debug UI-related issues and provide timely resolutions.
● Mentor junior developers, assisting them in enhancing their skills and knowledge in UI development.
● Write and encourage other engineers to write automated tests.
Skills/ Experience
● Bachelor's degree in Computer Science, Software Engineering, or related field (or equivalent practical experience).
● Proven experience as a UI Developer or Front-End Developer, with at least 3+ years of hands-on experience in building user interfaces for web applications.
● Proficiency in front-end technologies such as TypeScript, Tailwind, React, Redux.
● Strong understanding of responsive design principles.
● Solid knowledge of web performance optimization techniques and best practices.
● Familiarity with Figma and other UI/UX design tools, to collaborate effectively with designers.
● Demonstrated experience in writing UI components to corresponding backend APIs and Databases.
● Excellent problem-solving skills and ability to troubleshoot complex UI-related issues.
● Strong communication and collaboration skills, with the ability to work effectively in a team-oriented environment.
- Excellent Communication Skills.
- Working knowledge of React libraries such as Redux, Redux Thunk, Redux Saga, Redux Forms, Immutable etc.
- Highly proficient in JavaScript and ReactJs
- Good understanding of design libraries such as Material, Ant and Semantics etc.
- Basic understanding of front-end technologies, such as HTML5, and CSS3.
- Sound knowledge of Testing frameworks such as Jest, Enzyme, Mocha, Protector etc.
- Experience of writing unit, integration and E2E tests.
- Experience of integrating third party APIs.
- Good understanding of code versioning tools, such as Git.
● Bachelor’s degree in Computer Science or equivalent preferably from IIT, NIT & other
premier institutes.
● Rockstar Javascript developer, who appreciates the intricacies of JS as well as passionate
to follow new trends in JS.
● Experience with product companies.
● 3-7 yrs software development on advanced JavaScript stack (Native Javascript,
Asynchronous Request Handling, AJAX, HTML5, CSS3, etc)
● In-depth knowledge in React Native.
● Proficiency in NodeJs will be a plus.
● Proficiency in any other modern web frameworks will be a plus.
● A solid knowledge of advanced data structures & algorithms.
● Proficient in Computer Science fundamentals & object-oriented design.
● Solid understanding of cross-browser compatibility issues and ways to tackle those.
● Must possess a track record of building Single Page responsive UI.
● Knowledge of NodeJS will be a plus.
● Experience with Databases such as NoSQL and any RDBMS will be a plus.
● Experience with transport protocols such as TCP, HTTP & WebSocket.
● Expressing and appreciating design patterns is a real addition.
Engineering @ Relevel
- We use cutting edge technologies to build our products which means you get to be updated on the latest tech stack.
- You don’t need to have experience in any of our specific technologies;we are good at teaching our Engineers. Our diverse group of Engineers are a great team to work with and to learn.
- We deploy changes to production multiple times a day.
- Blameless culture and a continuous learning mindset
What engineers do @ Relevel
- Making a global platform with the scale of millions of users.
- Working directly with designers and PMs to make a world class test taking experience.
- Building a platform for companies and writing an ML based algorithm to match candidates and companies.
- Building an Ed-Tech product for the upskilling of candidates.
What you need to bring
- Strong understanding of JS fundamentals and going deep into it coupled with experience in modern frameworks like ReactJs, Vuejs etc.
- The ideal person has worked with product teams in startups and taken features (or entire product modules) to production deployment which was then consumed by real users.
- Proficiency in building a highly scalable frontend.
- Ownership mindset- Taking end to end ownership of frontend initiatives and being part of the core team in driving the overall growth of the organisation in achieving its vision.
● Understanding of good design principles and ability to adhere to complex design
specifications during implementation
● A self-starting, inquisitive approach to problem-solving.
● Passion for learning about and working on highly available distributed systems.
● Good communication skills. We solve problems for and communicate with various teams across the organization.
● Excellent people management skills. Should have worked with young teams previously
CTC Range = 30 to 35 LPA
We are looking for a motivated React js developer to come join our team.
Roles & Responsibilities:
- React.js developers (about 3-5 years of experience) are involved in the interface
- component design from implementation to testing.
- Implement user interface components for JavaScript-based web and mobile applications using the React open-source library ecosystem.
- Should have proficiency in front end languages HTML, CSS, JavaScript, and JavaScript
- frameworks like REACT, Angular JS.
- Have knowledge in REACT tools such as react.js, Webpack, Enzyme, Redux, and Flux. Previous experience in user application.
- interface design is essential.
- Must have hands-on experience in payment gateway,3rd party API integration, Security encryption & decryption experience.
Skills:
- A good attitude toward work, Strong problem-solving skills
- Desire to work in a fast-paced environment along with project and time management skills
- Ability to work independently or with a group
Experience with Rest APIs;
NodeJS, Webpack;
Grunt, Gulp;
Git, SVN;
Proficient in HTML, CSS (LESS/SASS), responsive design, semantic markup;
Awareness of cross-browser compatibility issues and client-side performance consideration







