Frontend 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 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.

What are the Key Responsibilities:

• Meeting with the development team to discuss user interface ideas and applications.
• Reviewing application requirements and interface designs.
• Identifying web-based user interactions.
• Developing and implementing highly responsive user interface components using react concepts.
• Writing application interface codes using JavaScript following react.js workflows.
• Troubleshooting interface software and debugging application codes.
• Developing and implementing front-end architecture to support user interface concepts.
• Monitoring and improving front-end performance.
• Documenting application changes and developing updates.

What are we looking for:

• Bachelor’s degree in computer science, information technology, or a similar field.
• Previous experience working as a react.js developer.
• In-depth knowledge of JavaScript, CSS, HTML, and front-end languages.
• Knowledge of REACT tools including React.js, Webpack, Enzyme, Redux, and Flux.
• Experience with user interface design.
• Experience with browser-based debugging and performance testing software.
• Excellent troubleshooting skills

We are looking for a web designer who will be responsible for creating great websites for our clients. Primary duties include conceptualizing and implementing creative ideas for client websites, as well as creating visual elements that are in line with our clients' branding.

Responsibilities-

1.      Conceptualizing ideas with clients.

2.      Establishing design guidelines, standards, and best practices.

3.      Maintaining the appearance of websites by enforcing content standards.

4.      Designing visual imagery for websites and ensuring that they are in line with branding for clients.

Requirements-

• Proficiency in graphic design software including Adobe Photoshop, Adobe Illustrator, and other visual design tools.
• Proficiency in front-end development web programming languages such as HTML and CSS, JQuery, and JavaScript.
• Good understanding of content management systems.
• Up-to-date experience with international web protocols, standards, and technologies.
• Creative and open to new ideas.
• Adaptable and willing to learn new techniques.
• Excellent communication skills.

Additional information-

Job type- Full time- in office

Minimum experience- 1 year 

Description

Quantive is seeking an incredible Junior Frontend Engineer (Angular) with 1-2 years of relevant experience to join our growing team!

Quantive, formally Gtmhub, exists to make people successful by helping them achieve ambitious goals. We act on this by providing strategy execution solutions that help companies win. Our vision is that, one day, every company, regardless of size or resources, can achieve more than they ever thought possible.

We are honored to support over 500,000 users across 75 countries and 1,000+ organizations including Red Hat, Adobe, Societe Generale, and TomTom. We've raised over $160 million in funding, including our most recent Series C led by Index Ventures, and our global team is growing fast.

We are looking for a super-smart, innovative, and over-achieving Junior Frontend Engineer (Angular) with a passion for building solutions to customer’s biggest issues.

You will own the development of our most complex solutions and you will be responsible for building tools, apps and best practices to help the Technical Success team to scale and mature the delivery of our technical services to customers.

The successful candidate will be a strongly self-motivated and driven individual who is goal-oriented, methodical, and tenacious, and can effectively interact with a team.

As a Junior Frontend Engineer (Angular), you'll:

• Partner with Technical Success Managers to deliver technical solutions to customers
• Create custom UIs for Quantive's data using HTML, CSS, Javascript and Angular best practices
• Cooperate with web designers and Technical Success Managers to match visual designs
• Continually explore new ways to improve our solutions
• Be responsible for maintaining, expanding, and scaling our technical services offering
• Gathering and refining specifications and requirements for customer solutions based on technical needs
• Build and maintain tooling for all things customer related
• Develop and maintain reports and apps for the Quantive Marketplace

To be successful in this role at Quantive, you'll need to have:

• Previous experience in web programming
• Ability to speak English at business level
• In-depth knowledge of HTML, CSS and Javascript
• Experience with Angular and/or TypeScript
• Proficiency in SQL
• Knowledge of other programming skills is an advantage
• BA/BS degree in Computer Science or related field

What's in it for you:

• Competitive base salary and bonus opportunities.
• Quarterly bonus opportunities (up to 25%)
• Employer-covered supplementary medical insurance
• Access to 5,000+ Udemy courses for ongoing learning and development
• Stock option opportunities
• MAC or PC of your choice
• Flexible working hours and leave policy.
• A truly flexible, trust-based, performance-driven work culture.

Responsibilities:

• Meeting with the design team to discuss application features and design ideas.
• Researching similar application designs and user interface modules.
• Creating a website and application design mockups with enhanced UI features.
• Presenting updated front-end designs for final sign-off.
• Writing the front-end code and building the user interface.
• Debugging code errors and troubleshooting software issues.
• Conducting live application tests and tweaks.
• Updating web applications in line with user trends.

Requirements:

• Bachelor's degree in computer science or equivalent practical experience.
• Understanding of OOPS concepts, Persistence, Threading.
• Good understanding of version control system (GIT).
• Knowledgeable in data structures and algorithms.
• Good understanding of web stack and how all the pieces fit together.

• 3+ years prior experience as a UI engineer.
• Familiarity with automated testing tools including Selenium, Jasmine, and Karma.
• In-depth knowledge of user interface models, application design, and website functionality.
• Proficient with front-end languages including HTML, JavaScript, and CSS.
• Familiarity with prototyping tools including InVision Studio, Balsamiq, and Sketch.
• Advanced problem-solving skills.

Good To Have:

• Competent in developing web apps using React.
• Prior experience of working in a product-based company.

• Prior experience of working in a startup.

Responsibilities:

• To build next-generation complex web applications that are efficient and modular.
• Works closely with UX designers and back-end engineers to implement versatile front-end solutions and new features.
• Responsible for integration with the services that reside on the back end.

Must-have skills:

• 2+ years of experience in building Single page applications using HTML5 CSS3 and AngularJS.
• In-depth knowledge on HTML5 and CSS is mustHands-on experience integrating upstream services, REST APIs.
• Hands-on with JS and preferably worked with Angular2+.
• Hands-on with automation/bundler like Gulp, Grunt or webpack.
• Extremely detail-oriented to strive for pixel perfection across all browsers.

• Design and code features for the website application as per the specifications provided by the Product and Design teams.
• Ship features in fast-moving agile sprints.
• Work closely with Backend, Product Design, and Product Management teams to brainstorm and chalk out details of features.
• Ability to build a feature from scratch & drive it to completion

Must have:

• Good understanding of Javascript and Clean architecture.
• Good understanding of asynchronous programming, callback, and closures.
• Strong experience with Javascript frontend framework/libraries like ReactJS
• Understanding of stateless application
• Good knowledge of CSS and its pre-processors like SASS/LESS
• Good understanding of server-side templates.
• Experience with creating cross-browser compatible web apps
• Should be Strong in MySql / Postgres database.
• Stronghold in Data structure and processing JSON

Good to have

• Basic knowledge of CI, CD
• Intermediate knowledge in any cloud services(AWS, GCP)
• Familiar with testing frameworks like Mocha, Cypress

Responsibilities:

• Develop new user-facing features
• Build reusable code and libraries for future use
• Ensure the technical feasibility of UI/UX designs
• Optimize application for maximum speed and scalability
• Collaborate with other team members

You’ll be a good fit if you:

• Have 1+ years of experience developing user facing features
• Have a deep understanding of basic UI/UX/design principles
• Are self-motivated and can solve problems independently
• Experience leveraging web technologies like HTML, CSS, and Javascript(ES6)
• Experience using the latest CSS layout methods such as Flexbox and Grid
• Experience with CSS preprocessors like Sass or LESS
• Knowledge and hands-on experience with Node.js ecosystem and leveraging Javascript libraries / frameworks such as React, Angular or Vue
• Experience with testing frameworks (Jest) and writing unit tests
• Competency in building responsive layouts
• Practical knowledge of performance optimization techniques
• Collaboration in a GitHub repository with many contributors and comfortable with workflows like code reviews, forking, pull requests, etc.