
Senior Frontend Developer & Lead Frontend Developer
at Product startup built to make test automation effortless
Responsibilities
- Interact closely with design, product, and development teams to create elegant, usable, responsive and interactive interfaces across multiple devices.
- Turning UI/UX designs into prototypes, creating excellent interactions from designs, writing reusable content modules and maintainability of the code.
- Implement UI development principles to ensure that the product client-side serves at scale.
- Review and optimize the app usage by monitoring key metrics and rectifying the issues proactively.
- Review and Optimize application usage, by monitoring key metrics, for maximum speed and scalability
- Mentoring and guiding the team members.
- An ability to perform well in a fast-paced environment and bring in optimal flow for rapidly changing design/ technology.
Requirements
- 5+ years of relevant work experience as a web developer, UI developer, Angular Developer or front-end engineer.
- Sound knowledge in HTML, CSS & JavaScript.
- Familiar with UI layouts, SASS, Bootstrap, and the CSS GRID system
- Proficient with Typescript (Angular 2 & above)
- Thorough understanding of the responsibilities of the platform, database, API, caching layer, proxies, and other web services used in the system.
- Passionate to create good design and usability
- A team player with excellent communication skills

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Technical Skills Required :
- Hands-on development experience on ReactJS, React Native.
- Excellent front-end development skills - JavaScript ES6, HTML5, CSS3, Bootstrap/Flex.
- Excellent understanding of web browsers, mobile browsers and responsiveness.
- Experience in UI Build using Webpack/ Gulp.
- Proficient understanding of code versioning tools, such as Git, Bitbucket, GitHub.
- Proficient understanding of the performance of web and mobile applications.
- Knowledge of the Django web framework or Python will be an added advantage.
Responsibilities :
- Develop new user-facing features, web and mobile applications.
- Use HTML, CSS, and JS to deliver the front-end of projects on time.
- Work with UI & UX designers and project managers to ensure timely delivery of code.
- Work with Backend developers and ensure smooth integration with CMS or APIs.
- Build reusable code and libraries for future use.
- Ensure the technical feasibility of UI/UX designs.
- Optimize website for maximum speed and scalability.
- As part of the core team, you will work on cutting-edge technologies such as Spark, Flume, online backtesting, data visualisation, and machine learning.
- All Developers will be involved with the entire lifecycle of the product, right from product conceptualization, design, implementation and mobile app and web delivery.
- Salary on par with the industry, with company equity.
At Lemon Yellow, great design deserves great engineering.
We bring the design, you bring the tech magic, and together we create UI and UX experiences that make users smile.
We are looking for a Frontend Developer who can translate thoughtful design into smooth, scalable, and delightful digital experiences.
1. Core Responsibilities
Work closely with the design team to translate UI and UX requirements into high quality, functional interfaces.
Convert wireframes and mockups into fully interactive, iterative environments.
Build responsive, elegant, and accessible web interfaces using modern JavaScript practices.
Integrate frontend components with backend APIs and work collaboratively with backend engineers.
Ensure layouts are pixel perfect across devices, browsers, and screen sizes.
Write clean, reusable, and maintainable code while working with designers, strategists, and developers.
Contribute to shaping digital products, features, and enhancements.
2. Interaction and Motion
Use GSAP or similar tools to create smooth animations and micro-interactions.
Ensure motion enhances user experience without affecting performance.
Implement accessible interactions that feel natural and intuitive.
3. API and Integration Management
Integrate frontend systems with RESTful APIs and backend services.
Work with third party tools, plugins, and services as required.
Ensure smooth data flow, secure handling, and efficient UI rendering.
4. Code Quality and Optimization
Debug and optimize interfaces for speed, performance, and reliability.
Maintain best practices around component reuse and code organization.
Participate in code reviews and contribute to improving internal standards.
Ensure cross browser compatibility and responsive breakpoints.
5. Agile Collaboration
Participate in daily stand ups, sprint planning, retros, and reviews.
Contribute to task estimations and collaborate on technical problem solving.
Stay responsive to project shifts, timelines, and delivery cycles.
6. Continuous Learning and Innovation
Stay updated with the latest trends, tools, and practices in the frontend ecosystem.
Experiment with new frameworks, libraries, and methodologies.
Share learnings with the team and suggest creative, efficient solutions.
Requirements
- Bachelor’s degree in Engineering, Computer Science, or a related field.
- Minimum 1 year of hands-on frontend development experience.
- Strong proficiency in HTML, SASS CSS, and JavaScript ES6.
- Expertise in React.js.
- Familiarity with Bootstrap and Tailwind CSS.
- Experience with GSAP for animations.
- Knowledge of WordPress or WebFlow is a plus.
- Hands on experience with GIT and version control workflows.
- Ability to build responsive, user friendly layouts.
- Strong analytical and problem solving skills.
- Attention to detail and love for clean, maintainable code.
- Good collaboration and communication skills.
- Eagerness to learn, experiment, and grow.
What are we offering?
Experience
A chance to work on meaningful brands and digital products across industries. Every project brings new learning and opportunities to strengthen your development skills. You grow and you help the team grow.
Exposure
If you believe in your work, we believe in you. You get to work directly with clients, understand real world problems, and build solutions that create impact.
Empathy
A thoughtfully nurtured culture that values fun and fulfilment.
Your wellbeing, personal, professional, mental, and physical, becomes our priority.
From Fitness Thursdays to learning sessions, we make sure you laugh, learn, and feel supported.
Who are we?
Lemon Yellow LLP is a user centered UI and UX design agency based out of Thane, Maharashtra. With global experience, strong mentorship, and a passionate team, we aim to design digital happiness.
You should apply if you believe in building experiences that people enjoy using.
How do you reach us?
Well, after you send in your application, it takes us 2-3 weeks to review it. Sometimes, not often, we might delay just a bit beyond that. This happens when our mailbox is flooded with applications.
We promise we won’t ghost you, you’ll definitely hear from us. In the meantime, feel free to explore our official website.
Prelude
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.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 (ReactJS)
Company Profile
Egregore Labs (www.egregorelabs.com) is a financial software company founded in 2017 by Prashant Vijay (ISB, Tulane) & Hari Balaji (IIM Ahmedabad, IIT Madras) both of whom have spent over a decade each in Financial Services, with a majority of their experience at Goldman Sachs across New York, Hong Kong & Singapore in roles across Trading, Quant & Technology.
Opportunity
We are looking for an experienced Frontend engineer with ReactJS development experience to join our team.
Here’s are some of the things you might have to do on any given day:
- Implement responsive and performant UIs with user centered approach with frontend technologies including ReactJS, Javascript(ES 6), Typescript, SCSS, etc
- Write meaningful test cases for frontend &
- Integrate our products with 3rd party products/tools/services
- Develop Infrastructure for delivering services using a performance driven approach, build databases, schedule automated jobs, etc
Ideal Background / Experience
- At least 12 months of diverse experience in web development for product or services oriented environment with exposure to working production deployments
- Expertise in programming using Python/ReactJS or similar scripting languages
- In-depth exposure to technologies used in web-based SaaS products, including REST APIs
- Sound understanding of Postgres and NoSQL databases such as MongoDB
Nice to have exposure to any of
- AWS
- Azure
- ELK
- Object Relational Models (SQLAlchemy, etc)
- Google APIs
- Microservices Architecture Pattern
- NodeJS / ExpressJS
Work From Home
Package: upto 10L
Role Description
- Make design and technical decisions for AngularJS projects.
- Writing tested and documented JavaScript, HTML and CSS
Duties:-
- Perform product analysis and development tasks of increasingly complex nature which may require extensive research and analysis.
- Writing tested and documented JavaScript, HTML and CSS
- Make design and technical decisions for AngularJS projects.
- Develop application code and unit test in the AngularJS, Rest Web Services and Java technologies for the Application Development Center.
- Ensuring high performance
AngularJS Developer requirements and qualifications
- 2-6 years Experience with AngularJS
- Strong expertise with HTML, CSS, and writing cross-browser compatible code.
- Good understanding of AJAX and JavaScript Dom manipulation Techniques
- Experience with RESTful services
- Experience in JavaScript build tools like grunt or gulp
- Expert in any one of the modern JavaScript MV-VM/MVC frameworks (AngularJS, JQuery, NodeJS, GruntJS)
- Familiar with testing frameworks
- Test runner framework
- Hand on and implements complex AngularJS applications, directives, controllers, services
- Critical thinker and problem-solving skills
- Team player
- Good time-management skills
- Great interpersonal and communication skills
Senior Angular Developer (5-8 years)
• 5+ years of professional UI programming experience
• Experience using RESTful APIs
• Experience with Project Management Agile methodologies (Jira) in the development
life cycle is highly preferred
• 4+ years of experience with Javascript, Angular2+ (specifically Angular 6, 7, 8, or 9 is
ideal), application architecture, Unit testing
• Expert knowledge of web technologies (HTML/CSS)
• Expertise in jQuery
• Knowledge of Best practices in writing quality code
• Knowledge of CI/CD (Bitbucket, Git, Gitlab)
• Knowledge of Vercel quality code tool
• Knowledge in leading a qualified, talented developer team
• Strong knowledge of W3C standards
• Ability to write high- performance, reusable code for UI components.
• Can implement complex enhancements with little assistance
• Can work in occasional high-pressure situations with tight deadlines
• High personal code development standards (peer testing, unit testing,
documentation, etc.)
• Self- starter, start-up experience is a plus. Ability to work in an extremely dynamic
and fast placed environment
• Strong written and verbal communication skills
Our client is a decade-old software development company, that offers its clients a wide range of customized web, mobile, and eCommerce tools and software. They are known to use advanced languages and platforms used to build reliable, secure, and scalable solutions for their business clients as well as individual customers. Their disruptive craftsmanship and strategy help in high-performance growth and allows customers to transform digitally and competitively.
Their products are being used by most of the banks and NBFCs in India, apart from clients from other industries. The founder is an IIM and MDI alumni and has experience of more than 13 years in business and strategic roles in MNCs. The company has been accredited by the government as a premier IT company, committed to quality and driven by customer success.
- Architecting and building the applications and coordinating with the teams
- Building other layers of the product infrastructure.
- Building pixel-perfect UIs across both mobile platforms.
- Leveraging native APIs for deep integrations with both platforms.
- Diagnosing and fixing bugs and performance
- Bottlenecks for performance that feels native.
- Reaching out to the open source community
- Implementing mission-critical software fixes
- Maintaining code and writing automated tests to ensure the product is of the highest quality.
What you need to have:
- Experience in building React-Native mobile apps for both Android and iOS platforms.
- Strong understanding of Javascript, ES6 and Clojure Scripts and ES6+ syntax
- Experience in building local storage-based caching and fast performing applications
- Experience with test suites like Mocha or Jest
- Strong understanding of how Redux
- Strong understanding of component state Management
- Experienced in RESTful API integration and good knowledge of how APIs work.
- Experienced in building modular app components that can be reused
- Experienced in creating React Native Bridges for deep integration with Native APIs
- Experience in writing automated test cases for mobile apps.
- Strong understanding of javascript and UI layouts in React Native
- Knowledge of ecommerce application development
We are looking for a senior React.js developer who can guide the current team and also work on our project. The requirement could be for 3-4 months or at max 6 months. Hence a full-time remote consultant is preferred with about 4-5 years of experience in React.
This position is for a ReactJS developer. Since we are a start-up this position will have a lot of exposure to other verticals such as product management as well. There is no limit to learning for a person who is willing to take responsibility.
Why us?
We at Wow Labz are always striving to look for exciting problems to solve. Whether we’re creating new products or helping a small startup extend its reach, we build from our heart. We’re entrepreneurial and we love new ideas. Fun culture with a team that cares about your development and growth.
What are we looking for?
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 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.
Desired Skills and Experience:
- 4 – 6 years of core experience in 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)
- Familiarity with newer specifications of EcmaScript
- Experience with data structure libraries (e.g., Immutable.js)
- 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
- Familiarity with Redux middleware such as thunk, saga etc.
- Familiarity with code versioning tools such as Git.
Nice to have
- Knowledge of isomorphic React is a plus
We are looking for a skilled 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. You will also be responsible for profiling
and improving front-end performance and documenting our front-end codebase.
To ensure success as a React.js Developer, you should have in-depth knowledge of JavaScript and
React concepts, excellent front-end coding skills, and a good understanding of progressive web
applications. Ultimately, a top-class React.js Developer should be able to design and build modern user
interface components to enhance application performance.
React.js Developer Responsibilities:
• 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.
React.js Developer Requirements:
• Bachelor’s degree in Computer Science, Information Technology, or a similar field.
• 2years experience working as a React.js Developer.
• 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 user interface design.
• Knowledge of performance testing frameworks including Mocha and Jest.
• Experience with browser-based debugging and performance testing software.
• Excellent troubleshooting skills.
• Good project management skills.








