iRage - Senior React.js 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 workflowsCollaboration & 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 documentationRequired 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 compatibilityReal-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 toolsDevelopment 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 applicationsNice-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 expertiseQualifications :- 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 excitingWe work hard, play hard, and grow together. Join us. (ref:hirist.tech)