Frontend Developer

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.

Responsibilities:

• Design, develop, and maintain user interfaces for the internal product suite.

• Collaborate closely with product managers and backend engineers to understand

requirements, translate them into user-friendly interfaces, and ensure a consistent

user experience across all products.

• Champion the technical feasibility of our UI/UX designs, ensuring seamless user experiences.

• Write clean, maintainable, and well-documented code adhering to best practices and coding standards.

• Conduct unit and integration tests to ensure code quality and functionality.

• Stay up-to-date with the latest UI development trends and technologies.

• Take initiative and ownership of assigned tasks, ensuring they are completed efficiently and to a high standard. 

Requirements/Qualifications

• Bachelors in any Computers stream or related fields

• Minimum 1+ years of experience as a UI Developer.

• Proficiency in Javascript,Node.js & any one of (Angular, Nextjs or React.js)

• Experience with unit and integration testing frameworks.

• Excellent communication and collaboration skills.

• Ability to work independently and as part of a team.

• A passion for modern web development practices and a drive to deliver high-quality

work.

• Good to have the Experience with responsive design and cross-browser compatibility.

What you’ll do 💯

• Work closely with recruiters/hiring managers to understand customer pain points and opportunities for features and improvements

• Developing the exact pixel-perfect & Responsive UI from the designs provided
• Lead or participate in design reviews, code reviews and architecture evolution discussions. quality & performance goals

  development efficiency.
  
  

• At least 2 Years of relevant work experience in React JS
• Experience in developing responsive Web Applications Development and reusable UI elements

• Architect and develop scalable and maintainable applications
• Expert Programming experience in HTML, CSS, JavaScript and React JS with the expertise to fuse these with modern web development practices

Responsibilities:

• Build customer facing technology product for global customers.
• Own the Product's frontend and backend development, building reusable, testable, and scalable code
• Research, evaluate, analyse and implement technical requirements
• Collaborate with product management teams to define and implement innovative solutions for the product direction, visuals and experience
• Mentor Junior members of the team

Requirements:

• 5+ years of experience building scalable products, distributed applications product/services in JavaScript and one of Angular/React
• Should have sound knowledge and experience in HTML and CSS
• Familiarity with UI layout, and CSS grid system or experience working with Bootstrap or any other CSS frameworks is a must
• Should have worked on the complete UI lifecycle of converting UI/UX designs into prototypes, write reusable modules
• Implement UI development principles to ensure client side scaling and clean and maintainable code that performs well on various performance metrics
• Understanding of multiple delivery platforms, such as Mobile & Web and developing Responsive UI
• Designing Unit Test cases, integrated test cases using Selenium and Protractor
• Strong coding and problem solving skills
• Ability to own end-to-end deliveries, right from requirements till release
• Excellent coding skills and ability to produce high quality, bug free and testable production grade code
• Experience working in an Agile/Scrum development process
• Ability to review code and continuously push for higher standards of development
• Knowledge of both SQL and NoSQL database services and related tools with the expertise to create efficient schemas, preferably MongoDB would be nice to have

• Portfolio is must for the profile.
• Good understanding of Javascript, CSS, HTML5, AJAX.
• Hands on with React JS.
• Understanding of responsive frameworks such as BootStrap or SemanticUI.
• Extensive knowledge of DOM scripting with native JavaScript and JS frameworks such as jQuery.
• Experience in delivering Cross-browser and cross platform compatible solutions.
• Basic knowledge of UI design.
• Excellent problem-solving and analytical abilities.
• Experience with agile development practices such as continuous integration and deployment.
• Fluency with version control platform Git.
• Minimum 1+ years of UI development experience.