Lead Frontend

Job Title : Frontend Developer (React.js, Next.js - SSR & SSG)

Experience : 2 to 6 Years

Location : Gurugram (Sector 65)

Work Schedule : Monday to Friday (Saturday if required)

About the Role :

We are looking for a skilled Frontend Developer (React.js, Next.js - SSR & SSG) to join our team. The ideal candidate will be responsible for building high-quality, scalable, and responsive web applications while collaborating closely with design and backend teams.

Mandatory Skills :

React.js, Next.js (SSR & SSG), JavaScript (ES6+), TypeScript, HTML, CSS, SCSS, Bootstrap, Responsive Web Development, State Management (Redux/Context API), Performance Optimization, API Integration

Key Responsibilities :

• Collaborate with designers and backend engineers to convert UI/UX designs into clean, efficient, and responsive front-end code.
• Develop reusable UI components using modern frameworks such as React and Next.js.
• Implement styling using SCSS and ensure responsive design using Bootstrap.
• Optimize applications using Server-Side Rendering (SSR) and Static Site Generation (SSG) in Next.js.
• Contribute to and maintain a scalable design system for consistency across the platform.
• Ensure high performance, speed optimization, and cross-browser compatibility.
• Identify, debug, and resolve front-end issues to enhance user experience.
• Write clean, maintainable, and well-documented code following best practices.
• Participate in code reviews and contribute to continuous improvement of code quality.
• Maintain and enhance existing front-end features and components.
• Stay updated with the latest trends and technologies in front-end development.

Required Skills & Qualifications :

• 2 to 6 years of experience as a Frontend Developer.
• Strong proficiency in HTML, CSS, JavaScript (ES6+), and TypeScript.
• Hands-on experience with React.js and Next.js.
• Experience with SCSS for modular and component-based styling.
• Strong understanding of Bootstrap for responsive UI development.
• Experience implementing SSR and SSG in Next.js.
• Knowledge of responsive design and modern UI/UX principles.
• Familiarity with state management tools such as Redux, Recoil, or Context API.
• Experience with testing tools like Jest or Cypress.
• Knowledge of performance optimization techniques (e.g., lazy loading, code splitting).
• Basic understanding of blockchain concepts and tools like web3.js or ethers.js is a plus.
• Strong communication, problem-solving, and teamwork skills.

Good to Have :

• Experience working with design systems or component libraries.
• Exposure to Web3 or blockchain-based applications.
• Familiarity with Agile development methodologies.

We are seeking a highly skilled React JS Developer with exceptional DOM manipulation expertise and real-time data handling experience to join our team. You'll be building and optimizing high-performance user interfaces for stock market trading applications where milliseconds matter and data flows continuously.

The ideal candidate thrives in fast-paced environments, understands the intricacies of browser performance, and has hands-on experience with WebSockets and real-time data streaming architectures.

Key Responsibilities

Core Development

• Advanced DOM Operations: Implement complex, performance-optimized DOM manipulations for real-time trading interfaces
• Real-time Data Management: Build robust WebSocket connections and handle high-frequency data streams with minimal latency
• Performance Engineering: Create lightning-fast, scalable front-end applications that process thousands of market updates per second
• Custom Component Architecture: Design and build reusable, high-performance React components optimized for trading workflows

Collaboration & Integration

• Work closely with traders, quants, and backend developers to translate complex trading requirements into intuitive interfaces
• Collaborate with UX/UI designers and product managers to create responsive, trader-focused experiences
• Integrate with real-time market data APIs and trading execution systems

Technical Excellence

• Implement sophisticated data visualizations and interactive charts using libraries like Chartjs, TradingView, or custom D3.js solutions
• Ensure cross-browser compatibility and responsiveness across multiple devices and screen sizes
• Debug and resolve complex performance issues, particularly in real-time data processing and rendering
• Maintain high-quality code through reviews, testing, and comprehensive documentation

Required Skills & Experience

React & JavaScript Mastery

• 5+ years of professional React.js development with deep understanding of React internals, hooks, and advanced patterns
• Expert-level JavaScript (ES6+) with strong proficiency in asynchronous programming, closures, and memory management
• Advanced HTML5 & CSS3 skills with focus on performance and cross-browser compatibility

Real-time & Performance Expertise

• Proven experience with WebSockets and real-time data streaming protocols
• Strong DOM manipulation skills - direct DOM access, virtual scrolling, efficient updates, and performance optimization
• RESTful API integration with experience in handling high-frequency data feeds
• Browser performance optimization - understanding of rendering pipeline, memory management, and profiling tools

Development Tools & Practices

• Proficiency with modern build tools: Webpack, Babel, Vite, or similar
• Experience with Git version control and collaborative development workflows
• Agile/Scrum development environment experience
• Understanding of testing frameworks (Jest, React Testing Library)

Financial Data Visualization

• Experience with financial charting libraries: Chartjs, TradingView, D3.js, or custom visualization solutions
• Understanding of market data structures, order books, and trading terminology
• Knowledge of data streaming optimization techniques for financial applications

Nice-to-Have Skills

Domain Expertise

• Prior experience in stock market, trading, or financial services - understanding of trading workflows, order management, risk systems
• Algorithmic trading knowledge or exposure to quantitative trading systems
• Financial market understanding - equities, derivatives, commodities

Technical Plus Points

• Backend development experience with GoLang, Python, or Node.js
• Database knowledge: SQL, NoSQL, time-series databases (InfluxDB, TimescaleDB)
• Cloud platform experience: AWS, Azure, GCP for deploying scalable applications
• Message queue systems: Redis, RabbitMQ, Kafka, NATS for real-time data processing
• Microservices architecture understanding and API design principles

Advanced Skills

• Service Worker implementation for offline-first applications
• Progressive Web App (PWA) development
• Mobile-first responsive design expertise

Qualifications

• Bachelor's degree in Computer Science, Engineering, or related field (or equivalent professional experience)
• 5+ years of professional React.js development with demonstrable experience in performance-critical applications
• Portfolio or examples of complex real-time applications you've built
• Financial services experience strongly preferred

Why You'll Love Working Here

We're a team that hustles—plain and simple. But we also believe life outside work matters. No cubicles, no suits—just great people doing great work in a space built for comfort and creativity.

What We Offer

💰 Competitive salary – Get paid what you're worth

🌴 Generous paid time off – Recharge and come back sharper

🌍 Work with the best – Collaborate with top-tier global talent

✈️ Adventure together – Annual offsites (mostly outside India) and regular team outings

🎯 Performance rewards – Multiple bonuses for those who go above and beyond

🏥 Health covered – Comprehensive insurance so you're always protected

⚡ Fun, not just work – On-site sports, games, and a lively workspace

🧠 Learn and lead – Regular knowledge-sharing sessions led by your peers

📚 Annual Education Stipend – Take any external course, bootcamp, or certification that makes you better at your craft

🏋️ Stay fit – Gym memberships with equal employer contribution to keep you at your best

🚚 Relocation support – Smooth move? We've got your back

🏆 Friendly competition – Work challenges and extracurricular contests to keep things exciting

We work hard, play hard, and grow together. Join us.

• Developing user interface components and implementing them following well known Reactjs workflows such as Flux and Redux
• Translating designs and wireframes into high quality components.
• Should strong Component based programming and Concepts like Life Cycle Hooks and Communications.
• Ensuring that all components and the overall application are robust and easy to maintain
• Coordinate with the rest of the team working on different layers of the infrastructure
• Should have capabilities to judge or choosing the right/suitable plugin for application requirements
• Should have knowledge of application build generation and optimizations.

Technical Experience:

• Should be strong in Development Life Cycles like Agile
• Should be strong Javascript Core (Core Concepts, Design Patterns, etc)
• Should be strong in Angular and ReactJS Concepts
• Strong proficiency in JavaScript including DOM manipulation and the JavaScript object model Thorough understanding of Reactjs and its core principles
• Should be strong at least one javascript testing framework like Jasmine

,Enzyme

Required Skills:

• Bachelors/Masters in Computer Science with relevant industry experience
• At Least 7 years of Front end frameworks with at least 4 years on React
• Must be working on ReactJS project as on date.
• Experience in developing responsive Web Application Development
• Experience building reusable UI elements including trading grids, dialogs, and screen navigation widgets
• Expert level Programming experience in HTML 5, CSS 3, JavaScript, Typescript, Angular and React JS
• Experience with AWS, developing and deploying application to cloud environment
• Experience in using the popular UI Frameworks, Libraries or Plugins
• Experience in Writing Test Cases and Generating Test & Coverage reports
• Experience with Git, Java, Maven, SQL, Jira and or Hudson/Jenkins

Looking for Lead Frontend Developer Bangalore to join a team of rockstar developers. The candidate should have a minimum of 4+ years. of experience in React.js.

There are multiple openings. If you're looking for career growth & a chance to work with the top 0.1% of developers in the industry, this one is for you! You will report into IIT'ans/BITS grads with 10+ years of development experience + work with F500 companies (our customers).

Company Background - CodeVyasa is a Software Product-Engineering and Development company that helps Early-stage & Mid-Market Product companies with IT Consulting, App Development, and On-demand Tech Resources. Our Journey over the last 3 years has been nothing short of a roller-coaster. Along our way, we've won some of the most prestigious awards while driving immense value to our customers & employees. Here's the link to our website (codevyasa.com). To give you a sense of our growth rate, we've added 70+ employees in the last 6 weeks itself and expect another 125+ by the end of Q1 2024

Requirements:

• Bachelor's degree in Computer Science, Information Technology, or related field (or equivalent experience).
•  Minimum of 6 years of experience as a Frontend Development.
•  Proficiency in React.js, Javascript, HTML/CSS development.
•  Knowledge of Backend development.
•  Aptitude for learning new technologies quickly.
•  Good problem-solving and analytical skills.

What We Offer:

• Glassdoor rating of 4.8, indicating high employee satisfaction.
•  Free healthcare benefits.
•  Strong focus on upskilling and professional development opportunities.
•  Diverse and inclusive work environment.
•  Competitive compensation and benefits package.
•  Emphasis on maintaining a healthy work-life balance.

We're seeking skilled front-end developers tasked with creating user-friendly experiences. Working closely with back-end developers, your focus will be on crafting visually appealing layouts, enhancing user interface/interaction, and optimizing overall user experience.

Key Skills Required:

1. Proficiency in HTML, CSS, and JavaScript.
2. Experience with modern front-end frameworks such as React, Angular, or Vue.js.
3. Collaborative mindset to work seamlessly with back-end developers and cross-functional teams.
4. Strong understanding of responsive design principles for various devices and browsers.
5. Knowledge of UI/UX best practices and a keen eye for design aesthetics.
6. Familiarity with version control systems, such as Git.
7. Problem-solving skills and the ability to troubleshoot issues efficiently.
8. Awareness of web performance optimization techniques.
9. Excellent communication and teamwork abilities.
10. Continuous learning mindset to stay updated with the latest industry trends and technologies.

Mastree's engineering team is working towards building a data science engine that enables students to learn in a way they understand the best. We believe in delivering learning experiences through engagement. The product is designed with countless embedded interactive information pieces to help the students imbibe the concepts better. At Mastree we take pride in being a part of the product that holds the potential to revolutionise the education process.

We are looking for folks who are passionate about creating interaction rich interfaces. Creative individuals who believe in the power of visuals.

Responsibilities:

• Creating visual elements that users see and interact within our web platform.
• This makes your role crucial for the success of the product.
• Working closely with the design, product management and development teams to create elegant, usable, responsive and interactive interfaces across multiple devices.
• Ensuring that the application is optimised both in terms of technology and in delivering the best educational content.
• Building web platform for our live tutoring platform
• Creating interactive learning activities for K12 students and work on our upcoming products

Requirements:

• You are an avid programmer
• You have great grasp of fundamentals of JavaScript and ES modules, new ECMASCRIPT concepts
• You have experience in ReactJS web app development
• You are an exceptional problem solver, with attention to details.

Brownie Points:

• Good HTML and CSS skills
• Experience in React-Native app development
• Ability to work in small teams and wear multiple hats

Job Location : Hyderabad,

Hiring Mode : Permanent.

Job description:

1.  3 - 6 yrs of IT Industry experience in Front-end technologies,