Senior React Native Reactjs Developer

Job Title : Senior Front-End Product Engineer (React, Next.js, UI/UX)

Location : Remote

Department : Engineering

Reports To : CTO

Summary :

We seek a Senior Front-End Product Engineer to enhance our platform's UI/UX, focusing on the dashboard, workflow builder canvas, and marketplace.

Key Responsibilities :

• UI/UX Development : Build intuitive, scalable, and responsive interfaces using React, Next.js, Tailwind CSS.
• Workflow Builder Enhancements : Develop drag-and-drop node-based workflow management with real-time collaboration.
• Dashboard & Marketplace Optimization : Improve user visibility, seller profiles, and purchasing experiences.
• State Management : Implement efficient state handling with Zustand, XState.
• Performance Optimization : Enhance performance via lazy loading, code splitting, and server-side rendering.
• AI Integration : Leverage AI tools like Cursor.com, Copilot for enhanced UI/UX workflows.
• Collaboration : Work cross-functionally with design, product, and backend teams.

Requirements :

• 5+ Years in front-end development with strong expertise in React, Next.js, TypeScript, Tailwind CSS.
• Experience in UI/UX design, state management, and performance optimization.
• Strong knowledge of workflow automation, API integration, and real-time collaboration tools.
• Familiarity with Git, CI/CD pipelines, and AI-driven development tools.
• Excellent problem-solving and communication skills.

Why Join Us?

• Work on cutting-edge AI-powered automation products.
• Opportunity to shape the front-end architecture and UX.
• Fully remote role with a collaborative and innovative team.

Company

Stackera is a leading Fintech Development Services company located in Pune. We are dedicated to delivering quality and innovative solutions to our clients with seamless service.

About the Role

We are looking for a Frontend Developer who is highly skilled in Next.js and modern JavaScript frameworks to join our frontend engineering team. This role is ideal for someone who is passionate about building user-friendly interfaces that are fast, responsive, and scalable.

You’ll be working on high-impact fintech products that require both technical excellence and creative thinking. Your work will directly influence user experience and engagement across a range of web applications, including financial dashboards, analytics platforms, and client portals.

What You’ll Do

• Design, develop, and maintain modern web applications using Next.js, React.js, and associated technologies.
• Collaborate with cross-functional teams including backend developers, UI/UX designers, and product owners.
• Translate UI/UX design wireframes into high-quality code with pixel-perfect accuracy.
• Build responsive, accessible, and cross-browser compatible components.
• Optimize application performance for speed, scalability, and usability.
• Integrate front-end logic with RESTful APIs and real-time systems (e.g., WebSockets).
• Write clean, reusable code and maintain clear documentation.
• Participate in sprint planning, daily stand-ups, and code reviews to ensure continuous improvement.
• Ensure security best practices in frontend implementation.

Required Qualifications

• Bachelor’s degree in Computer Science, Information Technology, or a related field.
• 5+ years of hands-on experience in frontend development using Next.js and React.js.
• Proficient in Redux, Hooks, Context API, and component-based architecture.
• Solid understanding of HTML5, CSS3, JavaScript (ES6+), and responsive design principles.
• Experience building high-performance web applications with real-time data updates.
• Familiarity with frontend testing frameworks like Jest, Cypress, or similar.
• Ability to work in an agile environment with CI/CD processes.

Preferred (Good to Have)

• Exposure to Web3 technologies
• Experience with Ethereum, Solana, or other blockchain ecosystems.
• Understanding of containerized deployment using Docker.
• Familiarity with CI/CD tools like GitHub Actions, Jenkins, or GitLab CI.

What We Offer

• A collaborative and supportive team environment
• Exposure to cutting-edge projects in fintech and emerging tech
• Freedom to innovate and bring ideas to life
• Competitive compensation and performance-based growth
• Flexible work hours and focus on work-life balance

Responsibilities:-

• Extensive hands-on experience with frontend technology React Native.
• Build dynamic and reusable components using React Native
• Implement state management for better app performance.
• Use modern JavaScript features for efficient and maintainable code.
• Improve page load times with lazy loading, code splitting, and caching, while ensuring code quality through unit and integration testing.

Requirements:-

• 3-5 years of experience in frontend development working in a fintech industry, with a focus on highly scalable systems.
• Excellent leadership and communication skills, with experience managing teams of engineers and coordinating cross-functional efforts.
• Ability to solve complex problems under pressure, with a focus on delivering innovative solutions.
• Strong decision-making ability in fast-paced, dynamic environments.
• Self-motivated, proactive, and able to work independently while also collaborating in a team.

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. 

Key Responsibilities

• Develop and implement user-centric features on web platforms to enhance overall experience and usability.
• Collaborate with designers, backend engineers, and product teams to deliver cohesive and scalable products.
• Solve diverse technical and integration challenges by building efficient solutions that connect with automation systems.
• Apply best practices to create reusable, testable, and maintainable components and frameworks.
• Optimize application performance and ensure responsive and adaptive design across multiple devices and browsers.

Qualifications

• Strong understanding of modern front-end development frameworks and architecture.
• Hands-on experience building interactive, high-performance web applications.
• Proficiency with:
• React, Redux, and TypeScript
• Build tools like Vite, CSS preprocessors such as Less/Sass
• Solid grasp of UI/UX principles, responsive design, and accessibility standards.
• Experience integrating front-end solutions with REST APIs or automation systems is a plus.
• Strong problem-solving skills and a collaborative mindset.

Who are we?  

Whatfix is the #1 Digital Adoption Platform (DAP) for Enterprises. We are disrupting the way Learning, Training and Application Support content is consumed. We provide large enterprises with a SaaS platform that helps accelerate product adoption and reduce support & training efforts by providing contextual and step by step guidance inside any web application at the exact time a task is being performed. The product has redefined the way companies onboard, train, and provide support to users. 

What sets us apart from the rest?

With over 100 of the Fortune 500 companies already onboard as customers, Whatfix has been named among the top 20 B2B tech companies alongside the likes of Adobe, PayPal, and Cisco.

With a YoY growth of 300%, we have also been recognized among the top 50 fastest growing SaaS companies worldwide in the SaaS 1000 list and as a Market Leader by Gartner in the Digital Adoption space. 

We are pleased to have an Employee rating of 4.6 on https://www.glassdoor.co.in/Reviews/Whatfix-Reviews-E1016569.htm" target="_blank">Glassdoor and our Customer obsession can be seen in our reviews on platforms like https://www.g2.com/products/whatfix/reviews" target="_blank">G2 Crowd & https://www.gartner.com/reviews/market/customer-communications-management-software/vendor/whatfix/product/whatfix" target="_blank">Gartner Peer Insights.

The employees are happy, the customers are happy, but what about the investors? Take a look for yourself - http://www.sequoiacap.com/" target="_blank">Sequoia Capital || http://www.stellarisvp.com/whatfix-what-we-learnt-from-series-a-to-series-b-in-a-saas-business/" target="_blank">Stellaris || https://blogs.cisco.com/innovation/tomorrows-customer-experience-why-cisco-invested-in-whatfix" target="_blank">Cisco || https://eightroads.com/en/news/our-investment-in-whatfix" target="_blank">Eight Roads || http://www.helionvc.com/blog/we-are-pleased-collaborate-whatfix.html" target="_blank">Helion Ventures

“Hustle Mode ON” is something we live by.

Our Team:

The Engineering team at Whatfix provides end-to-end engineering throughput that forms part of core platforms and services that drive Whatfix's business.

Our team is responsible for creating the Customer Platform and everything around it - be it Analytics, Infrastructure, or Core Algorithms. The team owns and is responsible for all pieces that we design, build and support end to end for Whatfix product/ business.

Our product is built around a core of JAVA with enterprise businesses using the Whatfix system. On a monthly basis, millions of interactive guides are processed. Building, testing, and deploying to any of our environments are as simple as pushing a commit to a git branch. We like to keep our technology up-to-date. All of the technology is built and maintained by this small development team, so from day 1, the software you write will be used by people from all over the world.  

RESPONSIBILITIES:

• Design and develop highly scalable, reliable, and fault-tolerant systems for one of the world’s fastest-growing startups
• Work with business to define requirements
• Perform technical design and hands-on coding for development and enhancement efforts
• Develop new user-facing features
• Building reusable code and libraries for future use
• Ensure the technical feasibility of UI/UX designs
• Optimize applications for maximum speed and scalability
• Assure that all user input is validated before submitting to back-end services
• Promote best practices in design and coding
• Conduct design and code reviews
• Understand the customer needs & implement
• Articulate complex problems communicating viable architecture and design approaches in a clear and concise manner
• Enhance the agile SDLC within the Development Team through new learning, continued growth, and applying industry best practices and processes
• Occasionally participate in customer demos & provide inputs wherever required
• Keep optimizing & automating mundane tasks

You'll be a core member of the team.

Individual growth is important to us. We schedule time every week to explore an interest or learn something new. Team members have also used it to do everything from learning new algorithms to playing with the new framework, to exploring what the new analytics layer could be used for. We also take some time each day to discuss what we're working on, and even pair programs to teach each other about parts of the codebase. There's no risk of stagnation in this job, you would still be hands-on after a few years.

REQUIREMENTS:

We are looking for a Front-End Engineer to help us scale and go deep on our technical capabilities.

• 4 -12 years of professional front-end development experience
• Hands-on experience with Front end technologies - JavaScript, Typescript, HTML, CSS
• Experience with React Ecosystem (React Router, Styled-components, Server-side rendering, Context API, React Hooks) is strongly preferred
• Experience with state management libraries such as Redux is a huge plus.
• Proficient understanding of cross-browser compatibility issues and ways to work around such issues
• Experience in backend programming languages such as Java is strongly preferred 
• Experience in building Web applications using frameworks like Spring, Microservice architecture
• Work experience, preferably from internet companies, products, or startups
• Expertise in design principles and their application
• Strong verbal and written communication skills
• Fast Learner & a Team Player

We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.

Job Description:

1. Developing the latest user-facing features using React.js.
2. Translate designs and wireframes into high-quality and responsive screens.
3. Building reusable components and front-end libraries for future use.
4. Learn and understand user interactions & Translate designs and wireframes
into high-quality code.
5. Optimizing components for maximum performance across a vast array of web-capable devices and browsers.
6. Creating servers and databases for functionality and coordinating with various
teams working on distinct layers.
7. As a MERN Stack Developer, you will be involved from conception to
completion with projects that are technologically sound and aesthetically
impressive.

Skill Requirements:

1. Full-stack experience designing and building scalable applications end-to-end.
2. Excellent JavaScript skills and strong proficiency in React.
3. Familiarity with the MERN stacks (Mongo DB, Express.JS, React.JS, and Node.JS)
and Working experience with React, Redux, ES6.
4. Experience building backend APIs using Node JS and Express JS.
5. Experience with NoSQL databases such as Mongo DB, mongoose, aggregation
framework, and Redis.
6. Experience with Web sockets and related frameworks (e.g. Socket.IO) and
Knowledge of JSON Web Token.
7. Experience using RESTful APIs and basic Authentication Mechanisms.
8. Create and Maintain Microservices & Ability Showcase past work via live web
pages and familiarity with code versioning tool Git

Job brief:

We are looking for an expert Web Developer responsible for the coding, innovative design and layout of our website. The key responsibility areas shall include building project website from concept all the way to completion from the bottom up, fashioning everything from the home page to site layout and function.

Responsibilities:

• Write well designed, testable, efficient code by using best software development practices
• Create website layout/user interface by using standard HTML/CSS practices and dynamic host servers
• Integrate data from various back-end services and databases
• Gather and refine specifications and requirements based on technical needs
• Create and maintain software documentation
• Be responsible for maintaining, expanding, and scaling project sites
• Stay plugged into emerging technologies/industry trends and apply them into operations and activities
• Coordinate with web designers to match visual design intent
• Coordinate with content writers to match the website objective

Requirements:

• Proven working experience in web programming
• Top-notch programming skills and in-depth knowledge of modern HTML/CSS
• Familiarity with at least one of the following programming languages: PHP, ASP.NET, Javascript or Ruby on Rails, React JS, Angular, Mongo DB and other programming languages
• A solid understanding of how web applications work including security, session management, and best development practices
• Adequate knowledge of relational database systems, Object Oriented Programming and web application development
• Hands-on experience with network diagnostics, network analytics tools
• Basic knowledge of the Search Engine Optimization process
• Aggressive problem diagnosis and creative problem-solving skills
• Strong organizational skills to juggle multiple tasks within the constraints of timelines and budgets with business acumen
• Ability to work and thrive in a fast-paced environment, learn rapidly and master diverse web technologies and techniques.

Educational qualification

• BSc / BCA / B-Tech in computer science or a related field

If you feel the above-mentioned Job Details matches your ~profile~ personality, kindly email us your updated CV to us

Company Profile:

https://www.werbstudio.com/about-us

https://www.werbstudio.com/work

• Angular 6
• Java Script
• HTML
• Css
• UI