
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.

About iRage
About
At iRage, we harness the power of technology and quantitative finance to craft cutting-edge high-frequency trading systems and strategies. Our journey began in 2009, shortly after the introduction of Direct Market Access (DMA) in the Indian markets, which ushered in a new era of possibilities in algorithmic trading.
iRage was founded by a group of passionate quantitative trading professionals who saw the immense potential within this domain. Since our inception, we've been on a relentless pursuit of excellence, aiming to reshape the landscape of algorithmic trading in India.
When you join our team at iRage, you're not just an employee; you're an integral part of our mission to solve some of the most challenging engineering problems in the financial industry. You'll collaborate with exceptional programmers, quantitative analysts, and traders who share your enthusiasm for innovation.
Connect with the team
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Description :
KINDLY REVERT WITH YOUR UPDATED RESUME
Technical Skills: (must have)
- Excellent Angular 5+, NodeJS, Typescript programming skills
- Strong HTML/HTML5/JavaScript skills
- Sound understanding of MVC, MVVM, JSON, and data binding
- Hands-on experience with implementing Angular best practices (e.g. project structure, module organisation, naming convention, etc.)
- Hands-on experience with Web APIs (e.g. HTTP protocols, AJAX and REST)
- Hands-on experience of using browser events and various data types like arrays and objects, JSON, forms, closures and modules, including the use of debugging tools
- Hands-on with CSS3 and sound understanding of cross browser inconsistencies and responsive frameworks
- Experience in integrating with third party JavaScript libraries and frameworks like jQuery
- Experience with Templating
Additional Skills: (nice to have)
- Knowledge of standard authentication systems such as OAuth2, JWT and SSO
- Knowledge of WebSockets is an added advantage
- Experience with version controlling tools e.g. Git
- Experience with developing browser extensions
PRINCIPAL ACCOUNTABILITIES
Key accountability of Sr.FED will be to plan, develop, maintain and optimise codebase for web app and browser extensions of MyLOFT.
- Planning and Development
- Design Planning of the functional App in coordination with software development team
- Develop and Deliver front-end applications and browser extensions
- Develop and Integrate custom modules and components with functional app
- Writing tested, idiomatic, and documented JavaScript, HTML, and CSS
- Integrate existing template or pure HTML in angular
- Work closely with HTML developer and UI designer to deliver pixel perfect dynamic Frontend UI
- Work closely with back-end team to build and integrate REST API
- Integration with external web services e.g. Google APIs
- Testing and Maintenance
- Follow best practices for testing and maintenance to ensure that codebase is executable, readable and easy to maintain
- Ensure that security and versioning of the codebase is maintained
- Write and maintain technical documentation for ready reference
- Post Launch Optimisation
- Periodically participate in code review and refactoring to improve app performance
- Participate in user feedback sessions to identify and understand user requirements
- Beta/Marketability Tests (for POCs)
- Coordinate with development team to evaluate technical feasibility of new requirements
- Build prototypes/POCs
- Actively participate in relevant technical forums
- Participate in training and knowledge sharing initiatives
React JS & AWS
- Proficient working knowledge of React JS,Redux, ES6, Node JS, VSCode, ES Lint, HTML5, CSS3, Javascript, jQuery, Bootstrap 4
- Ability to learn and adapt on customer expectations
- Passion for user experience and user - centric development
- Strong communication skills that include leading design - related conversations, ability to build and nurture good relationships and foster an environment for collaboration
- Self - starter and passionate learner
- Creative problem - solver with a strong eye for detail
- Experience with version and source control, preferably Git Lab
- Should have knowledge on micro services.
- Overall experience between 4 yrs to 8 yrs.
About TO THE NEW:
TO THE NEW (TTN) is a technology services company that designs, builds, & runs digital products and platforms for Fortune 500 companies, enterprises, SaaS, and consumer tech companies. We are recognized by global analyst firms like Gartner, Everest, ISG, and Zinnov for our capabilities in Digital Engineering, Cloud, and Data & Analytics. We have deep expertise in Experience design, Open source technologies across Web, Mobility, CMS, diverse Cloud infrastructures, DevOps, Big data & analytics, Quality, and test automation; combined with proven experience in Agile methodologies.
Founded in 2008, TTN is one of the fastest-growing companies with a growth rate of over 60% since 2017. Our passionate team of 2000+ “Newers” is spread across our delivery centers in Delhi, Dubai, NYC, and Sydney. TO THE NEW is a consistent winner of the prestigious ‘Great Place to Work’ award since 2015 and ranked #47 in the ‘Top 100 companies in India to Work’ for in 2019. Recently TTN was also recognized as one of the ‘Top 25 India’s best IT & IT-BPM workplaces’.
We take pride in our culture driven by passion for making an impact through technology and is backed by our emphasis on learning and development.
Responsibilities:
1. Create high performance, secure, responsive, clean and simple front-end builts in collaboration and discussion with backend developers, designers and product owners
2. Responsibility for resolving all issues assigned in a timely manner
3. Participate in and lead architectural discussions with a group of senior architects
4. Identify and establish best practices and frameworks keeping in mind parameters of performance, responsiveness, security, maintainability, extensibility, and reuse
5. Translate designs and style guides into interactive user interfaces, ensuring cross browser compatibility, performance and robustness
6. Deliver high quality code that is maintainable and readable.
7. Develop and maintain features using JavaScript.
8. Our clients would value you for your comprehensive knowledge and understanding of Front-end design and architectures
Requirements:
1. Experience in developing front-end technologies using Object Oriented JavaScript, React.js, HTML, & CSS
2. Understanding of various browser engines
3. Experience to handle cross browser compatibility issues
4. Experience of full software development life cycle and good understanding of version control systems like Git.
5. Experience with an agile development methodology, preferably Scrum
6. Excellent time management, multi-tasking and communication skills
7. Understand the needs of our users and customers at the beginning of each project
8. Provide complete, actionable, and timely technical feedback to your Agile team
9. Mentor fellow and junior engineers
Why us?
We at Wow Labz are always striving to look for exciting problems to solve. Whether we’re creating new products or helping a small startup extend its reach, we build from our heart. We’re entrepreneurial and we love new ideas. Fun culture with a team that cares about your development and growth.
What are we looking for?
We are looking for a great JavaScript developer who is proficient with React.js. Your primary focus will be on developing user interface components and implementing them following well-known React.js workflows (such as Flux or Redux). You will ensure that these components and the overall application are robust and easy to maintain. You will coordinate with the rest of the team working on different layers of the infrastructure. Therefore, a commitment to collaborative problem solving, sophisticated design, and quality product is important.
Responsibilities:
- Developing new user-facing features using React.js
- 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 vast array of web-capable devices and browsers.
Desired Skills and Experience:
- 4 – 6 years of core experience in React JS.
- Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model
- Thorough understanding of React.js and its core principles
- Experience with popular React.js workflows (such as Flux or Redux)
- Familiarity with newer specifications of EcmaScript
- Experience with data structure libraries (e.g., Immutable.js)
- Familiarity with RESTful APIs
- Knowledge of modern authorization mechanisms, such as JSON Web Token
- Familiarity with modern front-end build pipelines and tools
- Experience with common front-end development tools such as Babel, Webpack, NPM, etc.
- Ability to understand business requirements and translate them into technical requirements
- A knack for benchmarking and optimization
- Familiarity with Redux middleware such as thunk, saga etc.
- Familiarity with code versioning tools such as Git.
Nice to have
- Knowledge of isomorphic React is a plus
We are looking for a JavaScript developer who is proficient with React.js . Your primary focus will be on developing user interface components and implementing them following well-known React.js workflows (such as Flux or Redux). You will ensure that these components and the overall application are robust and easy to maintain. You will coordinate with the rest of the team working on different layers of the infrastructure. Therefore, a commitment to collaborative problem solving, sophisticated design, and quality product is important.
Requirements:
- Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model.
- Thorough understanding of React.js and its core principles.
- Experience with popular React.js workflows (such as Flux or Redux).
- Familiarity with newer specifications of EcmaScript.
- Experience with data structure libraries (e. g., Immutable.js ).
- Knowledge of isomorphic React is a plus.
- Familiarity with RESTful APIs.
- Knowledge of modern authorization mechanisms, such as JSON Web Token.
- Familiarity with modern front-end build pipelines and tools.
- Experience with common front-end development tools such as Babel, Webpack, NPM, etc.
- Ability to understand business requirements and translate them into technical requirements.
- A knack for benchmarking and optimization.
- Familiarity with code versioning tools (such as Git, SVN, and Mercurial).
- Experience in web technologies (Object-Oriented JavaScript, HTML, CSS) and experience with web standards, including HTML5 and CSS3
- In depth understanding of Angular concepts and structures
- Should have strong debugging skills on Developer Tools of the browser and Working with Cross Browser UI
- Should have solid understanding and experience (at least 1+ years) with Object-Oriented design and development
- Strong verbal and written communication skills
- Proactive attitude to problem resolution
- Ability to work in a fast-paced environment, and manage time efficiently to meet project timelines
- Ability to work well independently, or with remote teams
Good to Have:
- Experience in Agile Software Development projects
- Knowledge on how to create modules and libraries with angular and publish it on platform like npmjs.
- Knowledge on Nrwl's developer tools
- Experience in writing Unit Testing cases.
- Capable to perform code reviews and provide code to optimize performance of the application.










