Frontend Developer at Lemon Yellow · Thane, Maharashtra · 1 - 2 years · ₹3L - ₹4L / yr · Bootstrapped · Posted 31 Dec 2025

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.

About Lemon Yellow
About
We're a global digital design agency from India, focusing on product strategy, user experience design, user interface and creative thinking. We are passionate about designing new products, delighting users and help companies improve their business. - Lemon Yellow .
Connect with the team
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NEED TO HAVE :
1) Have some knowledge of front end like React.JS
2) HTML, CSS
3) Strong in JavaScript concepts
4) Good communication skills
5) Loves to code
GOOD TO HAVE :
1) Experience with type script will be a plus
2) Experience with Nest.JS framework will be a plus
3) Strong hold on ES6 principles.
4) Familiar with TDD ( Test Driven Development ) will be a plus.
5) Familiar with working in CI / CD will be a plus
6) Micro-Service architecture knowledge will be an added benefit.
You can contact me on this WhatsApp number: Nine three one six one two zero one three two
Job Description:
https://drive.google.com/file/d/12Fcie5u0rhyHeE_xhsNTeGk3mlPId1Mb/view?usp=drive_link
Responsibilities:
- Developing and implementing UI components using React.js
- Collaborating with cross-functional teams to design and ship new features
- Building reusable components and front-end libraries for future use
- Translating designs and wireframes into high-quality code
- Optimizing components for maximum performance across various web browsers
- Staying up-to-date with the latest industry trends and technologies
- Troubleshooting and debugging issues to ensure smooth user experiences
- Participating in code reviews to maintain code quality and consistency
Required React developer requirements, qualifications & skills:
- Proficiency in React.js and its core principles
- Strong JavaScript, HTML5, and CSS3 skills
- Experience with popular React.js workflows (such as Redux)
- Familiarity with RESTful APIs and integration
- Knowledge of modern authorization mechanisms, such as JSON Web Tokens
- Understanding of front-end build tools and pipelines
- Excellent problem-solving and communication skills
- A strong attention to detail, and a passion for delivering high-quality code
- Adaptability to changing project requirements and priorities
- Experience with version control systems (e.g., Git)
- A degree in computer science, software engineering, or a related field
About GeoIQ:
GeoIQ(a Lenskart subsidiary) is a location intelligence platform that provides comprehensive data and insights to help businesses make informed decisions about their retail operations and expansion. It offers a range of data points, including demographic information, commercial activity, and market performance indicators, to give users a detailed understanding of a specific location or market.
About the team:
Our agile team, consisting of 40+ members, is led by a founding team with extensive experience in data analytics, machine learning, and product development. Embrace the opportunity to collaborate with seasoned professionals in a dynamic and innovative work environment.
Responsibilities:
- Develop and maintain GeoIQ's products primarily using React, Redux, and NextJS.
- Ship simple, approachable, performant, and testable code.
- Enhance user experience by creating intuitive UIs that enable data visualization and discovery. Dive into legacy code to understand and improve current products.
- Facilitate and make informed technical decisions that drive the long-term vision for GeoIQ.
- Build workflow tools that allow users to explore GeoIQ's data repository, visualize spatial data, and create no-code AI models.
- Solve complex architecture problems in an extensible and maintainable way.
- Bring clarity to complex technical problems across the organization.
- Participate in the design process by listening to users, attending design critiques, and providing guidance and feedback informed by a deep understanding of technical constraints.
- Collaborate with team members to achieve clean and efficient code.
Requirements:
● Fluent and proficient in React with a minimum of 2 years of experience.
● Previous experience working with geo-spatial data.
Why Explore a Career at GeoIQ:
- Be part of a team that is revolutionizing decision-making for businesses across India.
- Work in a dynamic and innovative environment with ample opportunities for professional growth and learning.
- Contribute to the growth and success of a leading hyperlocal location AI startup in India.
If you are passionate about creating intuitive and efficient front-end solutions and meet the requirements listed above, we would love to hear from you. Apply now to join our team at GeoIQ!
About the role
You'll join our frontend team and build features in Next.js under the guidance of a Senior Next.js Developer.
What you'll do
- Build UI components, pages and features in Next.js and React.
- Turn designs into responsive, pixel-accurate interfaces.
- Integrate APIs with guidance from senior teammates.
- Fix bugs, improve existing features and write clean, maintainable code.
- Take part in code reviews, standups and sprint planning.
What we're looking for
- 1-3 years of experience with React or Next.js (internships and strong personal projects count).
- Good knowledge of HTML, CSS, JavaScript/TypeScript and React.
- Strong experience with Tailwind CSS or similar styling approaches.
- Understanding of APIs and Git.
- Clear communication and willingness to learn and take feedback.
- Experience working with AI tools for development such as Claude and Cursor
Note: This is a dedicated frontend role. Backend knowledge isn't required, but you should be comfortable talking with backend teammates about what you need.
Nice to have
- A portfolio or GitHub with Next.js projects.
- An eye for UI detail and accessibility.
About the team
SecurITe’s mission is to build an Agentic‑AI driven security platform that protects critical infrastructure from modern cyber threats. Our focus is on delivering highly performant, resilient, and intelligent network security systems that help defenders stay ahead of adversaries.
About the Role
We’re looking for an exceptional Front-End Developer to help lead the development of our next‑generation cybersecurity AI platform. This is a rare opportunity to shape how agentic AI transforms the future of cyber defense.
In this role, you will be instrumental in bringing our innovative Agentic graphical programming language to life. As a senior front-end developer, you will work closely with our systems architect to shape the technological direction of our project. Your responsibilities will include ensuring that our user interface is both functional and visually appealing, contributing to an exceptional user experience.
What You’ll Do
● Collaborate with the systems architect and development team to design and implement a robust front-end architecture.
● Develop, test, and maintain high-quality user interfaces using modern front-end technologies.
● Translate UI/UX design wireframes into code, producing visually appealing and user-friendly interfaces.
● Ensure the technical feasibility of UI/UX designs and optimize applications for maximum speed and scalability.
● Identify and troubleshoot front-end issues and implement effective solutions.
● Stay up-to-date with the latest industry trends and technologies to keep our product at the cutting edge.
● Own and drive project delivery end-to-end
● Guide and mentor other engineers to ensure high-quality code and best practices
Required Experience
● Proficiency in Languages HTML5, CSS3, and Angular 17+.
● Frameworks node.js, Flask, RESTful APIs, Strapi (CMS) ,Swagger/OpenAPI and related front-end technologies.
● Experience with front-end frameworks and libraries for Angular.
● Strong understanding of responsive design and mobile-first development.
● Knowledge of version control systems (e.g., Git).
● Excellent problem-solving and debugging skills.
● Strong communication and collaboration skills.
● Bachelor’s degree in Computer Science, Information Technology, or a related field.
● 15+ years of experience as a Front-end Developer, with a demonstrated track record in federal projects.
Nice to Have
● Advanced Skills: Experience with state management patterns (Redux, NgRx, Zustand) and building custom interactive components using SVG, Canvas, or libraries like GoJS, D3.js and React Flow.
● Experience working in cybersecurity products.
● Building enterprise UI/UX.
● Using AI for daily work.
● Early stage startup experience.
The Mindset
● Problem Solver: You thrive on complex, ambiguous challenges and engineer elegant solutions.
● Ownership‑Driven: You take initiative, move fast, and deliver outcomes without hand‑holding.
● Continuous Learner: You stay ahead of the curve in AI, ML, and emerging technologies.
● Startup DNA: You excel in fast‑moving environments where priorities evolve and impact is immediate.
Role Summary
The Senior Front-end Developer builds and maintains client-facing interfaces per UI/UX designs and product requirements, owns front-end architecture and code-review standards, and mentors the Junior Front-end Developer. This is a specialized front-end role, not a full-stack position.
Key Responsibilities
• Own front-end architecture decisions, including framework, state management, and tooling choices.
• Set and enforce code-review, testing, and performance/accessibility standards for the pod.
• Lead implementation of complex, high-visibility features.
• Troubleshoot and resolve complex front-end performance or technical issues.
• Mentor the Junior Front-end Developer, including code review and skill development.
• Partner closely with UI/UX to ensure design fidelity and flag implementation constraints early.
• Evaluate and recommend front-end tooling or library upgrades.
Required Skills & Technical Competencies
• Deep expertise in a modern front-end framework (React strongly preferred) and associated ecosystem.
• Strong understanding of front-end performance optimization and accessibility standards.
• Experience owning front-end architecture for a production application.
Targeted Qualifications
• 5–8 years of front-end development experience.
• Deep expertise in a modern framework (React preferred) and front-end architecture patterns.
• Experience owning performance and accessibility standards.
• Bachelor's degree in Computer Science or related field.
Preferred / Nice-to-Have
• Experience with data-dense or real-time dashboard interfaces (relevant to IoT products).
• Experience mentoring junior developers formally.
We’re looking for a Frontend UI Engineer who’s passionate about building clean, intuitive, and high-performance user interfaces. In this role, you’ll design and develop the frontends that power integrations between leading security platforms, helping customers simplify data ingest and response workflows. You’ll work closely with backend engineers, product managers, and customers to turn complex cybersecurity problems into seamless, user-friendly experiences.
About Us At Metron Security, we specialize in automation and integration services for top Cyber Security companies. Our engineering team builds innovative solutions that connect and extend industry-leading platforms like Splunk, IBM’s QRadar, ServiceNow, CrowdStrike, Cybereason, and many more. We believe in a culture where engineers thrive — by experimenting, innovating, and learning every day.
Why You’ll Love Working with Us
● A developer-first culture where your ideas and input really count
● Exposure to 250+ security platforms (and growing!)
● Opportunities to work directly with customers and see the impact of your work An environment that’s fast-moving, collaborative, and full of opportunities to grow your skills.
What We’re Looking For We’d love to meet someone who enjoys crafting modern, reliable interfaces with a strong focus on usability and performance. We use TypeScript/JavaScript on the frontend, and while experience with NestJS is a nice bonus, it’s not a must-have. More importantly, we value engineers who are language agnostic and eager to learn new tools and frameworks when needed.
Must-Have Skills
● Strong proficiency in JavaScript/TypeScript
● Hands-on experience with one of React, Angular, or Vue
● Understanding of UI/UX best practices and ability to bring designs to life
● Familiarity with REST APIs, GraphQL, or WebSockets
● Strong debugging skills and ability to optimize frontend performance
● Experience contributing in Agile teams (sprints, design discussions, user stories)
● Awareness of security best practices in frontend applications
Bonus Points If You…
● Have worked on data-heavy dashboards or enterprise-grade UIs
● Know testing frameworks like Jest, Cypress, or Playwright
● Have experience with Docker & Kubernetes
● Have deployed apps on AWS, GCP, or Azure
● Contribute to open-source projects and love sharing your work with the community
Our Ideal Teammate
● Approaches problems with curiosity and creativity
● Communicates clearly and works well in a collaborative team
● Takes pride in building user interfaces that are not only functional but a joy to use
At Metron Security, we’re always learning, always improving, and always working together. If you’re ready to take on exciting challenges, grow alongside a talented team, and help us deliver powerful solutions to customers across the globe, we’d love to hear from you.
This role is for our client, who are reimagining video security for the modern world. Their cloud-native platform uses computer vision and AI to help businesses stay safe, make smarter decisions, and move faster; from real-time alerts to seamless clip sharing and multi-site visibility.
You’ll be joining an ambitious, fast-moving team that values clarity, craftsmanship, and impact. Every person there has a voice, ships meaningful work, and helps shape how AI can make the world safer and more connected.
Responsibilities
- Architect and scale high-performance React and TypeScript applications built for real-time surveillance operations.
- Build UI components for video playback, timeline scrubbing, and multi-camera grid management.
- Optimize client-side rendering, network bandwidth, and browser memory usage when streaming high-frequency data.
- Partner closely with Product, Design, and Machine Learning engineers to transform complex AI detection capabilities into simple user experiences.
- Establish frontend architecture patterns, maintain testing standards, and mentor team members.
Skills And Qualifications
- Experience building production web applications in React and TypeScript
- Deep understanding of frontend performance profiling, browser memory management, and client-side optimization
- Hands-on experience working with real-time data streams (WebSockets, SSE, or WebRTC)
- Strong software engineering fundamentals, including modular architecture, state management, and automated testing
- High bar for UI detail, usability, and web accessibility is a plus
- Experience with video technologies on the web (HLS, WebRTC, MSE, or Canvas/WebGL video rendering) is a plus
- Experience building spatial or location-aware dashboards using mapping tools (e.g., Mapbox, Leaflet) is a plus
- Prior experience in fast-paced startup environments or developer-centric B2B SaaS platforms is a plus
What We Offer
- Competitive compensation package
- Early-stage equity in a rapidly growing company
- Referral bonuses
- Team dinners and regular team off-sites
- The latest Apple products and unlimited tech stack
The company is on a mission to transform a $50B+ legacy industry by bringing the power of cutting-edge multimodal LLMs and computer vision to real-world security and operations. From firearm detection to intelligent access control, our AI-native platform turns every camera and sensor into a smart system that enhances safety, efficiency, and awareness.
🚀 Frontend Developer
Location: Remote
Type: Full-time
Experience: 5+ years (Intermediate to Senior Level)
We’re looking for a Frontend Developer who can own the entire frontend stack from frontend project architecture and performance optimization to design and UX polish.
About the Role
You’ll be the go-to person for everything frontend - designing and developing user-facing features, setting up UI architecture, and ensuring every interaction feels seamless.
You’ll work closely with the founders and backend engineers to shape the product experience from the ground up.
If you’re someone who thrives in startup environments, loves creative freedom, and enjoys wearing multiple hats (developer + designer + product thinker), this role is for you.
What You’ll Do
- Build and maintain high-performance web applications using ReactJS and NextJS
- Design clean, scalable frontend architecture and reusable components
- Take full ownership of UI/UX - from rough ideas to production-ready interfaces
- Implement stunning, responsive UIs with Tailwind CSS
- Handle state management (Jotai, Zustand, or your preferred modern library)
- Collaborate directly with backend and product teams to deliver delightful user experiences
- Optimize for performance, accessibility, and SEO
- Help shape the frontend culture, tech stack, and coding standards
What We’re Looking For
- 5+ years of professional frontend development experience
- Expert in ReactJS and NextJS
- Familiarity with VueJS and NuxtJS
- Strong experience with Tailwind CSS and component-driven design
- Strong understanding of UI/UX - you can design as well as build
- Ability to rapidly prototype and design mockups
- Experience with Figma or something similar for frontend prototyping
- Experience with TypeScript, Git, and modern dev tools
- Product mindset: you care about usability, not just code
- Startup-ready: self-driven, resourceful, and comfortable with fast iteration
Bonus Points
- Contributions to design systems or open-source frontend tools
- Familiarity with other frontend frameworks like Svelte/SvelteKit and VueJS/NuxtJS
- Knowledge of frontend performance optimization and SEO best practices
Why You’ll Love Working With Us
- 💡 Real Ownership: You’ll shape the entire frontend - architecture, tools, and design direction
- ⚡ Startup Energy: Small team, big impact - your work directly shapes the product and user experience
- 🕓 Flexible Hours & Remote Work: We care about output, not clock-ins
- ❤️ Creative Freedom: We value ideas, experimentation, and craftsmanship














