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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.
Location: Gurgaon, Pune, Bhopal, Jaipur, Chennai, Bangalore
Work Mode: Hybrid (2 days WFO)
Experience Required: 5+ Years
Notice Period: Immediate Joiners Preferred
Job Overview
We are looking for a skilled and experienced ReactJS Developer to join our growing engineering team at Deqode. The ideal candidate will have a solid foundation in front-end development and a passion for building scalable, user-friendly web applications.
Key Responsibilities
- Develop responsive and modern web applications using ReactJS.
- Collaborate with cross-functional teams including UI/UX, backend, and QA.
- Build reusable components and front-end libraries for future use.
- Optimize applications for maximum speed and scalability.
- Integrate RESTful APIs and manage application state using Redux or Context API.
- Write clean, maintainable, and well-documented code.
- Perform unit testing and participate in code reviews.
Required Skills
- Strong proficiency in ReactJS, JavaScript (ES6+), and TypeScript.
- Deep understanding of React lifecycle methods and hooks.
- Experience with Redux, Context API, or similar state management tools.
- Knowledge of HTML5, CSS3, SASS, and responsive design principles.
- Familiarity with build tools like Webpack, Babel, and version control (Git).
- Experience integrating third-party APIs and libraries.
- Knowledge of Agile/Scrum methodologies.
Must-Have Qualifications
- Bachelor’s degree in Computer Science, Engineering, or related field.
- 5+ years of experience in front-end development.
- Strong problem-solving skills and attention to detail.
- Excellent communication and teamwork abilities.
We are hiring an experienced Frontend Engineer to help us keep growing. We develop AI enabled products and solutions that are geared to help accelerate the development of new cures and reduce inefficiencies in how healthcare information is managed. If you're dedicated and ambitious, Applied Informatics is an excellent place to grow your career. Don't hesitate to apply.
As a frontend developer who is proficient with React.js, HTML, CSS, SASS, your primary focus will be on developing user interface components and implementing them following well-known React.js workflows (Redux). You should have experience in technologies like JavaScript, React JS & Redux, HTML and CSS.
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
Skills :
- Strong proficiency in CSS,SASS, JavaScript, including DOM manipulation and the JavaScript object model
- Thorough understanding of React.js and its core principles
- Experience with popular React.js workflows (Redux)
- Familiarity with newer specifications of EcmaScript
- Familiarity with RESTful APIs
- Experience with common front-end development tools such as Babel, Webpack, NPM, etc.
- Ability to understand business requirements and translate them into technical requirements.
- Ability to learn new technologies quickly.
The process: a quick phone screen, technical interview, take-home exercise then a zoom call with the team.
KEY RESPONSIBILITIES:
- Collaborate with Project Manager or Project Consultant to develop front end of mobile and web application
- Delivering a complete front-end application
- Ensuring high performance on mobile and desktop
- Writing tested, idiomatic, and documented JavaScript, HTML and CSS
- Coordinating the workflow between the graphic designer, the HTML coder, and yourself
- Cooperating with the back-end developer in the process of building the RESTful API
- Collaborate with the stakeholders, the users, the build team and other development partners to implement state-of-the-art user experiences.
- Collaborate with cross-functional teams to analyze, design, and ship new features
- Participate actively in discussions, presentations and decisions about front end development, web application, mobile app etc.
- Act as the impulse by providing clear guidance to the team’s questions during implementation phases
- Implement new technologies to maximize application performance
- Work with outside data sources and APIs
- Work on bug fixing and improving application performance
KEY COMPETENCIES & SKILLS:
- Strong object-oriented JavaScript
- Flat box, material design concepts
- AngularJS, MVC frameworks – Angular
- CSS precompilers like Sass and LESS
- Skills in one or more chosen frameworks/libraries like jQuery or Bootstrap
- AJAX (Asynchronous JavaScript and XML)
- HTML 5, CSS Modules, Web pack, Babel, npm
- jQuery, jQueryUI, RequireJS, doT.js (Templating Engine)
- Able to integrate existing API (REST)
- Understanding of java web application technology stack (core Java, spring core, Spring MVC, Hibernate, REST)
- Git/GitHub, Continuous integration using maven & Jenkins
- Integrate applications with network systems, servers and databases.
- Troubleshoot problems with application development and use
- Excellent conceptual, and critical thinking capabilities
- Self-directed and self-motivated with the ability to take charge or play a supporting role
- Strong understanding of product development
- Clear written and verbal communications skills (English), including presentation skill
- Basic knowledge of Microsoft Office (Word, Excel and PowerPoint) is required.
Want to work for Riskcovry?
We are a passionate, dynamic, and balanced team. Our culture is open, direct, and merit-oriented. Our team has enormous depth across insurance, technology, fintech, strategy and investment. We have great investors partnering with us to help achieve our vision.
Riskcovry is one of the fastest growing startups in our space and we would love to have you onboard. Read more about us:
https://www.riskcovry.com/" target="_blank">https://www.riskcovry.com
https://www.linkedin.com/company/riskcovrycom/" target="_blank">https://www.linkedin.com/
We are looking for people who:
1. Have a strong bias for action and value speed over perfection.
2. Make decisions with this ethos: Customer > Company > Team > Me
3. Thrive in a flat and open organization
4. Recognize that frugality is the key to efficiency
5. Are self-starters and have a natural tendency to own company and team goals
Responsibilities:
- Responsible for providing individual contribution for a robust and easy to use User Interface
- Responsible for performance optimization, establishing navigation patterns and rapid prototyping when necessary
- Continuously maintaining the template engine.
Requirements, Desired Skills and Experience
- Designing and developing user interfaces using React JS framework is a must.
- Experience in Redux
- Good experience using TypeScript, JavaScript, CSS, SCSS and HTML5.
- Understanding MVVM concepts
- Experience in Web UI design patterns, material components and experience in modular approach of designing in UI.
- Ability to analyze new UI requirements and ability to provide feedback to designers.
- Able to troubleshoot common problems
- Know how to optimize speed and performance of websites
Deep understanding of RDBMS, Algorithms, System Architecture, Analytical Thinking, Data Warehousing
As a Front-end Developer, your responsibility would be to create visual elements that users see and interact within our web platform. This makes your role crucial for the success of the product. We are looking for an exceptional problem solver, with attention to details. You will be working closely with design, product management and development teams to create elegant, usable, responsive and interactive interfaces across multiple devices.
You must take responsible actions in ensuring the application is optimised both in terms of technology and in delivering the best educational content.
Responsibilities:
- Build web platform for our live tutoring platform
- Creating interactive learning activities for K12 students
- Work on upcoming products
Requirements:
- Great programming skills
- Fundamentals of JavaScript and ES modules, new ECMASCRIPT concepts
- Experience in ReactJS web app development (1-4 years)
Brownie Points:
- Good HTML and CSS skills
- Experience in React-Native app development
- Ability to work in small teams and wear multiple hats
Ono Labs Private Limited is committed to providing equal opportunities without any discrimination on the grounds of age, ancestry, marital status, color, physical or mental disability, origin, nationality, political affiliation, religion, race, gender, sexual orientation, and any other characteristics protected by applicable law, regulations, and ordinances.
- Developing new user-facing features using React.js.
- Build reusable components and front-end libraries for future use.
- Translate designs and wireframes into high-quality code.
- Optimize components for maximum performance across a vast array of web-capable devices and browsers.
- Design a modern highly responsive web-based user interface.
Skills and Competencies;
- Bachelor's degree in computer science preferred.
- 3-5 years of demonstrated experience.
- Good knowledge of HTML5, CSS3.
- Strong proficiency in Javascript.
- Strong working knowledge of React JS and web apps.
- Good working experience using API in UI development.
- Should be able to do responsive design and cross-browser compatibility.
- Willingness to experiment and take complete responsibility for projects.
- Work independently and remote, with excellent follow-up, time management, and organization skills.
- Any additional knowledge of/familiarity with programming, in general, would be a great added bonus.
- Knowledge of Jira/confluence.
- Familiarity with code versioning tools such as Git.
- A team player with a problem-solving aptitude.
- Fluent in a second language preferred, good level of verbal English required.














