7+ D3.js Jobs in Mumbai | D3.js Job openings in Mumbai
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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.


LogiNext is looking for a technically savvy and experienced Engineering Leader to take up front-end development efforts. You will design and develop elegant interfaces that exceed client expectations in terms of value and benefit. You will collaborate on scalability issues involving visualizing massive amounts of data and information. You will identify, define and communicate best practices for front end.
You are passionate about building secure, high-performing and scalable front-end applications. Your design intuition inclines towards usability, elegance and simplicity. You are biased towards open-source tools and existing frameworks. You have demonstrated strong inter-personal and communication skills.
Responsibilities
- Lead and direct UI/UX team, define software architecture, collaborate with other teams to explore existing systems, determine areas of complexity and potential risks to successful implementation of advanced visualization products
- Define software architecture, collaborate with other teams to explore existing systems, determine areas of complexity and potential risks to successful implementation of advanced visualization products
- Translate wireframes into functional requirements, write well-abstracted, reusable, high-performance code for UI components
- Work closely with design, product management and development teams to create elegant, usable, responsive and interactive interfaces
- Contribute to continual improvement by suggesting improvements to user interface, software architecture or new technologies
- Optimize web applications to maximize speed and scale. Support diverse clients from high-powered desktop computers to low-end mobile devices
- Understand and coach/teach others, show a high level of ethics and team-work
Requirements
- Bachelor/Master’s degree in Computer Science, Information Technology or a related field
- 10+ years of experience in developing responsive, elegant, efficient and cross-browser front-end applications
- Hands on experience on various MVC frameworks, UI libraries and tools such as Angular, ReactJS, HTML5, CSS3, D3.js
- Hands on experience on Map API’s like Google Maps, Openstreetmap and other powerful information-rich maps
- Familiar with UX processes and design
- Proven ability to drive large scale projects with deep understanding of Agile SDLC, high collaboration and leadership
- Excellent written and oral communication skills, judgment and decision making skills

LogiNext is looking for a technically savvy and experienced Software Engineer to take up front-end development efforts. You will design and develop elegant interfaces that exceed client expectations in terms of value and benefit. You will collaborate on scalability issues involving visualizing massive amounts of data and information. You will identify, define and communicate best practices for front end.
You are passionate about building secure, high-performing and scalable front-end applications. Your design intuition inclines towards usability, elegance and simplicity. You are biased towards open-source tools and existing frameworks. You have demonstrated strong inter-personal and communication skills.
Responsibilities
Translate wireframes into functional requirements, write well-abstracted, reusable, high-performance code for UI components Work closely with design, product management and development teams to create elegant, usable, responsive and interactive interfaces Contribute to continual improvement by suggesting improvements to user interface, software architecture or new technologies Optimize web applications to maximize speed and scale. Support diverse clients from high-powered desktop computers to low-end mobile devices Understand and coach/teach others, show a high level of ethics and team-work
Requirements
Bachelor/Master’s degree in Computer Science, Information Technology or a related field 2 to 3 years of experience in developing responsive, elegant, efficient and cross-browser front-end applications using Javascript, HTML5, CSS3 Hands on experience on various MVC frameworks, UI libraries such as ReactJS, D3.js Hands on experience on Map API’s like Google Maps, Openstreetmap and other powerful information-rich maps Familiar with UX processes and design Proven ability to drive large scale projects with deep understanding of Agile SDLC, high collaboration and leadership Excellent written and oral communication skills, judgment and decision making skills

We are looking for a passionate Senior Software Engineer - UI/UX to join our fast growing team at LogiNext. You’ll collaborate with Product Managers and other UI designers to design new features, translate concepts into living and breathing prototypes, and rapidly iterate on interactions, animations, and details to deliver the best user experience. You will be responsible for conceptualizing & creating highly interactive user interfaces across all supported platforms.
You are passionate about design and are driven to create solutions for our clients that combine business objectives, design principles, and continuous user research into a compelling user experience. You have experience in designing a consistent and adaptable platform-based approach to user experience within a technology-driven and Software-as-a-Service (SaaS) based environment. You are a compulsive problem-solver with excellent visualization and communication skills.
Responsibilities:
- Gather, analyse & process data to determine the user needs & enhance the user experience
- Research & learn new, or re- emerging front- end technologies that facilitate improved user experience.
- Conceptualise designs through storyboards & concept presentations
- Design beautiful digital interfaces and present ideas in a compelling manner
- Perform usability testing with prototypes
- Create wireframes & prototypes to create a perfect user interface
- Create the best visual communication design with graphic design, website design, drawing and illustration, animation, client discussion and standard layouts.
- Mentor other team members in conceptualising and visually articulating design solutions
Requirements:
- Bachelor’s degree or higher in Arts/Commerce/Science/Technology
- 4 to 7 years of experience in UI/UX designing
- Must have experience in designing user interfaces for B2B SaaS Products
- Must have excellent experience using tools such as Sketch, Photoshop, Adobe Illustrator
- Able to work and thrive in a fast-paced, rapidly changing work environment
- Should have excellent communication skills, with an ability to convey ideas clearly & precisely
- Must have leadership skills & a good team player
- Must be pro-active & a self-starter

LogiNext is looking for a technically savvy and experienced Principal Engineer to take up front-end development efforts. You will design and develop elegant interfaces that exceed client expectations in terms of value and benefit. You will collaborate on scalability issues involving visualizing massive amounts of data and information. You will identify, define and communicate best practices for front end.
You are passionate about building secure, high-performing and scalable front-end applications. Your design intuition inclines towards usability, elegance and simplicity. You are biased towards open-source tools and existing frameworks. You have demonstrated strong inter-personal and communication skills.
Responsibilities
- Lead and direct UI/UX team, define software architecture, collaborate with other teams to explore existing systems, determine areas of complexity and potential risks to successful implementation of advanced visualization products
- Define software architecture, collaborate with other teams to explore existing systems, determine areas of complexity and potential risks to successful implementation of advanced visualization products
- Translate wireframes into functional requirements, write well-abstracted, reusable, high-performance code for UI components
- Work closely with design, product management and development teams to create elegant, usable, responsive and interactive interfaces
- Contribute to continual improvement by suggesting improvements to user interface, software architecture or new technologies
- Optimize web applications to maximize speed and scale. Support diverse clients from high-powered desktop computers to low-end mobile devices
- Understand and coach/teach others, show a high level of ethics and team-work
Requirements
- Bachelor/Master’s degree in Computer Science, Information Technology or a related field
- 8 to 10 years of experience in developing responsive, elegant, efficient and cross-browser front-end applications
- Hands on experience on various MVC frameworks, UI libraries and tools such as Angular, ReactJS, HTML5, CSS3, D3.js
- Hands on experience on Map API’s like Google Maps, Openstreetmap and other powerful information-rich maps
- Familiar with UX processes and design
- Proven ability to drive large scale projects with deep understanding of Agile SDLC, high collaboration and leadership
- Excellent written and oral communication skills, judgment and decision making skills

LogiNext is looking for a technically savvy and experienced Software Engineer to take up front-end development efforts. You will design and develop elegant interfaces that exceed client expectations in terms of value and benefit. You will collaborate on scalability issues involving visualizing massive amounts of data and information. You will identify, define and communicate best practices for front end.
You are passionate about building secure, high-performing and scalable front-end applications. Your design intuition inclines towards usability, elegance and simplicity. You are biased towards open-source tools and existing frameworks. You have demonstrated strong inter-personal and communication skills.
Responsibilities
Translate wireframes into functional requirements, write well-abstracted, reusable, high-performance code for UI components Work closely with design, product management and development teams to create elegant, usable, responsive and interactive interfaces Contribute to continual improvement by suggesting improvements to user interface, software architecture or new technologies Optimize web applications to maximize speed and scale. Support diverse clients from high-powered desktop computers to low-end mobile devices Understand and coach/teach others, show a high level of ethics and team-work
Requirements
Bachelor/Master’s degree in Computer Science, Information Technology or a related field 0 to 1 years of experience in developing responsive, elegant, efficient and cross-browser front-end applications using Javascript, HTML5, CSS3 Hands on experience on various MVC frameworks, UI libraries such as ReactJS, D3.js Hands on experience on Map API’s like Google Maps, Openstreetmap and other powerful information-rich maps Familiar with UX processes and design Proven ability to drive large scale projects with deep understanding of Agile SDLC, high collaboration and leadership Excellent written and oral communication skills, judgment and decision making skills


JOB PURPOSE
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- Develop .NET Core applications using React JS reusable components as per need / client specifications
- This is a hands-on role which involves writing code, testing, and deploying finished web applications and libraries
MAJOR ACCOUNTABILITY
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- Design, rapid prototype, and implement a scalable, reliable and maintainable node based web application
- Enforce code quality through test driven development
- Enhance, refactor, and continuously improve the existing codebase
- Collaborate closely with team to define product requirements
- Aggressively collect, analyse, and act on data about product performance
- Communicate effectively with technical and non-technical people
- Proactive in keeping your skills updated
ESSENTIAL SKILLS & EXPERIENCE
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- Excellent working knowledge of .NET Core, React JS, JavaScript.
- 4-6 year's overall .NET development experience (At least 2 years of experience in React JS)
- Experience in working with databases - SQL and Non-SQL Databases
- Experience in any visualization JS libraries like D3 JS / Charts JS / Sync Fusion / Fusion Charts will be an added advantage.
- GraphQL
- Hooks
- Redux / Flux
- TypeScript
EDUCATION
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- Minimum education: Any Graduate BE / B.Tech would be desirable
- Languages: Excellent English written & spoken