<p><p>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.<br/><br/>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.<br/><br/><b>Key Responsibilities : </b><br/><br/>Core Development : <br/><br/></p><p>- Advanced DOM Operations : Implement complex, performance-optimized DOM manipulations for real-time trading interfaces<br/><br/></p><p>- Real-time Data Management : Build robust WebSocket connections and handle high-frequency data streams with minimal latency<br/><br/></p><p>- Performance Engineering : Create lightning-fast, scalable front-end applications that process thousands of market updates per second<br/><br/></p><p>- Custom Component Architecture : Design and build reusable, high-performance React components optimized for trading workflows<br/><br/></p><p>Collaboration & Integration : <br/><br/></p><p>- Work closely with traders, quants, and backend developers to translate complex trading requirements into intuitive interfaces<br/><br/></p><p>- Collaborate with UX/UI designers and product managers to create responsive, trader-focused experiences<br/><br/></p><p>- Integrate with real-time market data APIs and trading execution systems<br/><br/></p><p> Technical Excellence : <br/><br/></p><p>- Implement sophisticated data visualizations and interactive charts using libraries like Chartjs, TradingView, or custom D3.js solutions<br/><br/></p><p>- Ensure cross-browser compatibility and responsiveness across multiple devices and screen sizes<br/><br/></p><p>- Debug and resolve complex performance issues, particularly in real-time data processing and rendering<br/><br/></p><p>- Maintain high-quality code through reviews, testing, and comprehensive documentation<br/><br/><b>Required Skills & Experience : </b><br/><br/>React & JavaScript Mastery : <br/><br/></p><p>- 5+ years of professional React.js development with deep understanding of React internals, hooks, and advanced patterns<br/><br/></p><p>- Expert-level JavaScript (ES6+) with strong proficiency in asynchronous programming, closures, and memory management<br/><br/></p><p>- Advanced HTML5 & CSS3 skills with focus on performance and cross-browser compatibility<br/><br/></p><p>Real-time & Performance Expertise : <br/><br/></p><p>- Proven experience with WebSockets and real-time data streaming protocols<br/><br/></p><p>- Strong DOM manipulation skills - direct DOM access, virtual scrolling, efficient updates, and performance optimization<br/><br/></p><p>- RESTful API integration with experience in handling high-frequency data feeds<br/><br/></p><p>- Browser performance optimization - understanding of rendering pipeline, memory management, and profiling tools<br/><br/></p><p>Development Tools & Practices : <br/><br/></p><p>- Proficiency with modern build tools : Webpack, Babel, Vite, or similar<br/><br/></p><p>- Experience with Git version control and collaborative development workflows<br/><br/></p><p>- Agile/Scrum development environment experience<br/><br/></p><p>- Understanding of testing frameworks (Jest, React Testing Library)<br/><br/></p><p>Financial Data Visualization : <br/><br/></p><p>- Experience with financial charting libraries : Chartjs, TradingView, D3.js, or custom visualization solutions<br/><br/></p><p>- Understanding of market data structures, order books, and trading terminology<br/><br/></p><p>- Knowledge of data streaming optimization techniques for financial applications<br/><br/><b>Nice-to-Have Skills : </b><br/><br/>Domain Expertise : <br/><br/></p><p>- Prior experience in stock market, trading, or financial services - understanding of trading workflows, order management, risk systems<br/><br/></p><p>- Algorithmic trading knowledge or exposure to quantitative trading systems<br/><br/></p><p>- Financial market understanding - equities, derivatives, commodities<br/><br/></p><p> Technical Plus Points :<br/><br/></p><p>- Backend development experience with GoLang, Python, or Node.js<br/><br/></p><p>- Database knowledge : SQL, NoSQL, time-series databases (InfluxDB, TimescaleDB)<br/><br/></p><p>- Cloud platform experience : AWS, Azure, GCP for deploying scalable applications<br/><br/></p><p>- Message queue systems : Redis, RabbitMQ, Kafka, NATS for real-time data processing<br/><br/></p><p>- Microservices architecture understanding and API design principles<br/><br/></p><p> Advanced Skills :<br/><br/></p><p>- Service Worker implementation for offline-first applications<br/><br/></p><p>- Progressive Web App (PWA) development<br/><br/></p><p>- Mobile-first responsive design expertise<br/><br/><b>Qualifications :</b><br/><br/>- Bachelor's degree in Computer Science, Engineering, or related field (or equivalent professional experience)<br/><br/></p><p>- 5+ years of professional React.js development with demonstrable experience in performance-critical </p><p>applications<br/><br/></p><p>- Portfolio or examples of complex real-time applications you've built<br/><br/></p><p>- Financial services experience strongly preferred<br/><br/></p><p> Why You'll Love Working Here : <br/><br/></p><p>- 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.<br/><br/><b>What We Offer : </b><br/><br/>- Competitive salary - Get paid what you're worth<br/><br/>- Generous paid time off - Recharge and come back sharper<br/><br/>- Work with the best - Collaborate with top-tier global talent<br/><br/>- Adventure together - Annual offsites (mostly outside India) and regular team outings<br/><br/>- Performance rewards - Multiple bonuses for those who go above and beyond<br/><br/>- Health covered - Comprehensive insurance so you're always protected<br/><br/>- Fun, not just work - On-site sports, games, and a lively workspace<br/><br/>- Learn and lead - Regular knowledge-sharing sessions led by your peers<br/><br/>- Annual Education Stipend Take any external course, bootcamp, or certification that makes you better at your craft<br/><br/>- Stay fit - Gym memberships with equal employer contribution to keep you at your best<br/><br/>- Relocation support - Smooth move .We've got your back<br/><br/>- Friendly competition Work challenges and extracurricular contests to keep things exciting<br/><br/>We work hard, play hard, and grow together.
Join us.</p><br/></p> (ref:hirist.tech)