Frontend Developer

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).

As a Frontend Developer, your responsibilities will include:

• Developing new user-facing features using React.js and integrating with backend services.
• 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 broad spectrum of web-capable devices and browsers.

Key Performance Indicators:

• Efficiency and quality of the code developed.
• Adherence to project timelines and delivery milestones.
• Positive stakeholder feedback on usability and design.
• Continuous improvement and adoption of best practices in frontend development.

Prior Experience Required:

• Minimum 3+ years of experience in frontend web development.
• Proficient in JavaScript, including DOM manipulation and the JavaScript object model.
• Extensive experience with React.js and its core principles.
• Strong proficiency in HTML5, CSS3, and modern frontend development tools.
• Experience with popular React.js workflows (such as Redux).
• Familiarity with newer specifications of EcmaScript.
• Experience with data structure libraries (e.g., Immutable.js).
• Good understanding of RESTful APIs and modern authorization mechanisms (e.g., JSON Web Token).
• Good to have: Experience with TypeScript and Next.js.

Location:

Hyderabad

Collaboration:

The role involves working closely with backend developers, UI/UX designers, and project managers to deliver seamless, high-quality web applications.

Salary:

Competitive, based on experience and market standards.

Education:

• Bachelor's degree in Computer Science, Information Technology, or a related field.

Language Skills:

• Strong command of Business English, both verbal and written, is required.

Other Skills:

• Excellent problem-solving skills.
• Looking for perfection in development
• Taking Ownership and Accountability in a fast-paced environment.
• Proficiency in code versioning tools, such as Git.
• Knowledge of modern frontend build pipelines and tools.
• Experience with responsive and adaptive design.

Additional Requirements:

• Portfolio of previous projects that demonstrates expertise in frontend development.
• Familiarity with agile methodologies.
• Strong teamwork skills, with the ability to collaborate effectively with colleagues and clients across diverse teams.

Employer:

About RaptorX

RaptorX is a fintech startup focused on redefining fraud detection and prevention in real time for banks, financial institutions, and digital platforms. Backed by top-tier investors, including senior technology leaders from Google, Microsoft, and Peak XV Partners, RaptorX leverages advanced AI models for anomaly detection, and high-throughput architecture to stay ahead of sophisticated fraud patterns.

Requirements

Must have (1.5 - 10) years of experience in front end development in an internet startup

Deep knowledge of Angular practices and commonly used modules based on extensive work experience

Proficiency with javascript and html5

Extensive knowledge of CSS and JS methods for providing performance visual effects and keeping the frame rate above 30 fps at all times

Thorough understanding of the responsibility of the platform, database, API, caching layer, proxies and other web services used in the system

Creating custom general use modules and components which extend the elements and modules of core Angular

Ability to understand business requirements and translate them in to technical requirements

Roles and responsibilities

Delivering a complete front end application

Ensuring high performance on mobile and desktop

Writing tested, idiomatic and documented Javascript, HTML, CSS

Co-ordinating the workflow between graphic designer, HTML coder and yourself

Cooperating with the back end developer in the process of building restful API

Communicating with external webservices

Ensure high quality graphic standards and high consistency

Stay up to date on emerging technologies

Write functional requirement documents and guides

Must have skills (Angular 6, CSS, HTML, Javascript (ES5 and ES6), rest ful API, Product company / startup experience)

Job Details:-

Designation - Front-end Developer

Location:- Mumbai

Minimum Experience Required:- 2-4 Years.

Package Offered:- Rs.4,00,000/- to 7,00,000 pa.

Must have experience in React.js

We are looking for a qualified Front-end developer to join our IT team. You will be responsible for building the ‘client-side’ of our web applications. You should be able to translate our company and customer needs into functional and appealing interactive applications.

Front-end Developer Job Description:-

Responsibilities

• Use markup languages like HTML, React.js to create user-friendly web pages
• Maintain and improve web apps
• Optimize applications for maximum speed
• Collaborate with back-end developers and web designers to improve usability
• Get feedback from, and build solutions for, users and customers
• Write functional requirement documents and guides
• Help back-end developers with coding and troubleshooting
• Stay up-to-date on emerging technologies

Required Experience and Knowledge

• Proven work experience as a Front-end developer and hands-on experience with markup languages
• Experience with React.js (Saga), JavaScript, CSS (less) and Ant Design
• Familiarity with browser testing and debugging.
• In-depth understanding of the entire web development process (design, development and deployment)
• Understanding of layout aesthetics and knowledge of SEO principles
• An ability to perform well in a fast-paced environment
• Excellent analytical and multitasking skills

Roles , Responsibilities& Skills  :-

• Proficiency in js, deep knowledge of SQL and NoSQL databases.
• Knowledge of ElasticSearch is a plus.
• Design, build and maintain high performance, reusable system applying best Engineering practices.
• Experience in building and consuming REST API.
• Work with Agile methodology
• Go getter attitude with delivery mindset.
• Strong communication skills across the board, with a passion for finding and sharing best practices and driving greater discipline.
• Team player
• Ability to multi-task and work in fast paced environment
• Quality focus.

UI experience

• Angular Version 7+ or React experience
• Knowledge of CSS/design frameworks
• Ability to coordinate and implement UX designs.

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.

•    Angular developer (3 - 5 years of experience)

•      Should have expert level knowledge to Design, Develop and test Web Apps with Angular versions 6 and above.

•      Primary Skills – Angular6+, HTML, CSS3, JavaScript.

•      Node JS as backend will be advantage

•      Knowledge of Mongo, MySql will be advantage

•      Highly skilled at front-end engineering using Object-Oriented JavaScript, TypeScript, various JavaScript,TypeScript patterns and frameworks.

•      Should have experience in publishing and consuming Services using REST API

•      Excellent time-management, multi-tasking, and communication skills. Capable of handling multiple projects and related complexities at the same time.

•      Compensation - As per industry standards.

•      Joining – at earliest.