React.js 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.

Job Title: Lead Frontend Developer (ReactJS/NextJS/Typescript)

Location: Chennai (Work From Office, yes, we love seeing your face!)

Experience: 5+ years 

About the Company:

F22 Labs is a startup software studio based out of Chennai. We are the rocket fuel for other startups across the world, powering them with extremely high-quality software. We help entrepreneurs build their vision into beautiful software products (web/mobile). If you're passionate about creating stunning web experiences and solving real problems, you’ll fit right in with us. Let’s make cool things happen!

Position Overview:

As a Lead Frontend Developer at F22 Labs, you will take charge of designing, building, and maintaining scalable web applications using React, Next.js, and Typescript. You will lead a talented team of frontend developers while working alongside product and backend teams to deliver innovative solutions. You’ll ensure that we adhere to best practices in UI design, performance optimization, and code quality. Your leadership will help us shape the future of our web products, while continuously improving the user experience and pushing the boundaries of what’s possible.

Key Responsibilities:

• Lead and mentor a team of frontend developers, providing technical guidance, reviewing code, and ensuring the team follows best practices.
• Architect and design scalable, high-performance web applications using ReactJS, NextJS, and Typescript.
• Drive the development process with a focus on performance, optimization, and maintainability.
• Implement and manage CI/CD pipelines using GitHub Actions to streamline the development lifecycle.
• Oversee the integration of GraphQL to ensure smooth data management between the frontend and backend.
• Create high-quality, responsive UI/UX using Tailwind CSS, delivering exceptional user experiences.
• Ensure that the team follows best practices for testing (Jest, Vitest, Cypress) and continuously improve our test coverage.
• Take ownership of state management using tools like Redux or Zustand, ensuring consistency and performance across the app.
• Optimize web performance by implementing best practices, improving load times, and enhancing the overall user experience.
• Guide the team in implementing SEO best practices to ensure applications are discoverable and performant.
• Collaborate closely with product managers and backend teams to deliver features that meet both technical and user requirements.
• Troubleshoot, debug, and resolve UI/UX issues quickly and effectively.
• Foster a culture of continuous improvement, encouraging innovation and ensuring the team remains at the forefront of frontend technologies.

Qualifications and Requirements:

• 5+ years of experience working with ReactJS, NextJS, and Typescript, with a proven track record of leading frontend projects.
• Strong understanding of DOM manipulation and best practices for building interactive, dynamic user interfaces.
• Expertise with module bundlers such as Webpack or Vite for optimizing the build process.
• Experience with CI/CD pipelines and GitHub Actions for automating deployment processes.
• Extensive experience working with GraphQL and integrating it into frontend applications.
• Expertise in Tailwind CSS for building responsive and visually appealing web applications.
• Solid experience in unit testing (Jest, Vitest) and end-to-end testing (Cypress).
• Advanced experience with state management frameworks like Redux or Zustand.
• Deep knowledge of performance optimization techniques and how to apply them in real-world scenarios.
• Strong understanding of SEO principles and implementing them in frontend projects.
• Proven leadership and mentorship skills, with the ability to guide teams and foster growth.
• Excellent communication skills to effectively collaborate with cross-functional teams.

Good to Have Skills (Extra Cool Points!):

• Familiarity with Websockets for real-time communication.
• Experience with WebRTC for building real-time video/audio applications.
• Familiarity with Framer Motion for creating animations in React.
• Experience with Docker and Kubernetes for containerization and orchestrating deployment processes.

Why Join Us (Perks & Benefits):

• Health insurance (because we want you at your best, inside and out).
• Flexible work timings (get your work done, but do it your way).
• Better-than-market compensation (we know you’re worth it!).
• A supercharged learning culture—grow your skills fast.
• Rapid career growth opportunities—move up faster than a rocket in the sky.
• Work with interesting, fun, and quirky colleagues who make every day feel like an adventure.
• Learn from the best in the industry (and maybe teach us something cool too).

Selection Process:

• Online Assessment
• 1-2 rounds of interviews (no need to stress, we’re all about getting to know you).

Rejolut is one of the award-winning fastest-growing emerging tech company which is working on leading technology like Blockchian, ML & AI, Complex mobile & web apps, IoT etc.

The ideal candidate will be responsible for developing highly scalable and secure code.

Responsibilities:-

-Able to take the Extreme Ownership of modules/product/projects
-Can handle calls with the client & customer to know their feedback
-Build pixel-perfect, buttery smooth UIs across both mobile platforms.

- Maintain product roadmap, release schedules, and architectural standards that ensure alignment with business objectives.

- Manage, Mentor, and coach a team of 6 -9 front-end engineers
- Build fast and efficient next-generation web applications
- Implement new features and optimize existing ones
- Collaborate with Designers to iterate on the design
- Work closely with Backend Engineers to integrate APIs and other services
- Find and address performance issues
- Identify and communicate front-end best practices
- Desire to learn and mentor the new joiners with the latest framework like svelte, vue etc

Desired Candidate Profile:

Culture

- Fast-paced, intellectually stimulating, steep learning, and growth

- Close-knit, hardworking, supportive colleagues

- Challenging work

- Flat organization with no hierarchy

- If you like problem-solving, and love the latest technology, there are very few better places

How we are different 
 -We are a young and dynamic team who are obsessed with solving the business problem at scale -We are a technology agnostic company who focus more on finding the optimal solution to the business problem rather than technology

 Why join us
 -We provide a huge learning curve. Spending 1.5-2 years with us will put you 3 years ahead in the career
-We work only on cutting edge technology like React, React Native, Flutter, NodeJS, Python, Go, Svelte, ELM
-There are two technology Co-founder in the company ho are pretty much hands-on and have earlier built the Consumer application which is downloaded millions of time and are in a leadership position in companies like Samsung, Purplle, Loyalty Rewardz
-Get mentored by the best in the industry
-Flexible working hours
-Perks best in the industry

What we are looking for?

A React JS Developer to manage a project for one of our biggest clients in the banking domain. The Individual should be passionate about technology, and experienced in developing and managing cutting-edge technology applications.

Technical Skills:

• 4 - 8 years experience in various software development/maintenance roles and proven experience working on React projects under an Agile /Scrum methodology and extensively used 

    React JS (Must Have)

    C#, .Net Core (Good to have)

    Web API

    JQuery

   HTML5

    Version control systems like GIT.

• Experience in doing peer reviews and code reviews.
• Unit Testing Frameworks like Jest and karma
• Exposure to Source control like TFS, GIT
• Understanding of Agile methodologies
• Experience with Real Estate IT systems would be an advantage.
• Understanding of Enterprise Frameworks, Release procedures, understanding of development environments.
• Demonstrated ability in communicating with business users and assessing their needs.
• Demonstrated ability in providing solutions and working through the full development life cycle.
• Experience in progress reporting to management.
• Time Management Skills.
• Analytical and problem-solving skills.
• Excellent troubleshooting and communication skills.
• Have the ability to provide constructive criticism in an inoffensive manner and be willing to help the team achieve the sprint goal. 
• Other duties as required.
• Participate in requirements analysis
• Write clean, scalable code using React
• Test and deploy applications and systems
• Refactor and debug code.
• Develop documentation throughout the software development life cycle (SDLC).
• Expert in applications and provide technical support.
• Work closely with Solution Architect in designing applications. 
• Write unit tests/functional tests/integration tests as per the definition of done for the Scrum team. 
• Write and verifies code that adheres to the acceptance criteria 
• Development according to best practices as per industry standards. 
• Post Implementation Support and production support. 
• Work closely with Architects and Scrum Masters to ensure the team attains continuous improvement 
• Have the ability to provide constructive criticism in an inoffensive manner and be willing to help the team achieve the sprint goal. 
• Ability to meet with clients as and when needed to discuss technical issues

Behavioral Skills:

• Resolve technical issues of projects and Explore alternate designs
• Participates as a team member and fosters teamwork through inter-group coordination within the modules of the project.
• Effectively collaborates and communicates with the stakeholders and ensures client satisfaction
• Train and coach members of project groups to ensure effective knowledge management activity.

Certification:

• Any relevant certification would be added advantage

• Develop new user-facing features
• Build reusable code and libraries for future use
• Ensure the technical feasibility of UI/UX designs
• Optimize application for maximum speed and scalability
• Assure that all user input is validated before submitting to the backend
• Collaborate with other team members and stakeholders

Skills And Qualifications

• Proficient understanding of web markup, including HTML5, CSS3
• Basic understanding of server-side CSS pre-processing platforms, such as LESS and SASS
• Proficient understanding of client-side scripting and JavaScript frameworks, including jQuery
• Good understanding of advanced JavaScript libraries and ReactJS frameworks.
• Good understanding of asynchronous request handling, partial page updates, and AJAX
• Basic knowledge of image authoring tools, to be able to crop, resize, or perform small adjustments on an image. Familiarity with tools such as Gimp or Photoshop is a plus.
• Proficient understanding of cross-browser compatibility issues and ways to work around them.
• Proficient understanding of code versioning tools, such as Git / Mercurial / SVN.
• Self-motivated and a good team player.
• Good communication and interpersonal skills.
• Preferred years of experience- 2- 3 years
• Bachelor’s Degree in Engineering from a reputed Institute.

• Develop new-user facing features using React.Js and Redux, D3.Js
• Build robust, reusable, and easy to maintain components.
• Translate designs and mock-ups into high quality code.
• Work closely with the Support team and Product team to identify issues and bugs in the platform and fix it.
• Completely own the SDLC of your tickets. From dev to production.
• Talk to existing clients about platform bugs and ensure the bugs are fixed.

• Minimum 4 years’ experience with React.js and Redux
• You are a well-organised self-starter with excellent communication skills
• You have thorough and demonstrable understanding of React.js and it’s core principles
• You have experience with code versioning (GIT) and CI/CD (Jenkins, Circle, etc.) tools
• You have ability to translate business requirements into high quality, high performance code
• You are familiar with RESTful API’s
• You enjoy working independently with minimal supervision
• You have broad understanding and experience in Javascript based technologies
• You are comfortable working in fast paced environment
• You are familiar and up-to-date with common front-end dev tools (e.g. Babel, Webpack, NPM, Yarn, etc..)
• Sharp analytical and problem-solving skills.
• Strong sense of ownership.
• Demonstrable desire to learn and grow.
• Excellent written and oral communication skills.

• 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

• 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)

• Knowledge of isomorphic React is a plus

• Familiarity with RESTful APIs
• Knowledge of GraphQL is a plus.

• 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 code versioning tools such as Git


Timeline: