Frontend Developer

Senior React Developer – Trading & Fintech (Broker-Focused Solutions)

About Us:

At Tradelab Technologies Pvt Ltd, we don’t just build web applications, we create high-performance trading platforms tailored for brokers and financial institutions. Our platforms power real-time market analysis, ultra-low-latency trade execution, and seamless broker-client interactions.

What We Expect:

• 2+ years of front-end development experience, with 2+ years specializing in React.js.
• Deep expertise in React, Next.js, TypeScript, and state management libraries (Redux, Recoil, Zustand, etc.).
• Proven experience in building and optimizing ultra-responsive, high-performance trading platforms for brokers.
• Strong understanding of financial data visualization, real-time charting, order book mechanics, and trade execution workflows.
• Hands-on experience with real-time data streaming, WebSockets, FIX protocol, and API integrations for brokerage services.
• In-depth knowledge of performance optimization, server-side rendering, and rendering strategies for trading dashboards.
• Security-conscious mindset—you know how to build secure, compliant fintech applications that handle sensitive brokerage and trading data.
• A problem-solving mentality that thrives under pressure—brokers depend on our platforms for seamless trade execution, and we deliver nothing less than perfection.

What You Will Do:

• Lead the front-end development of trading applications designed specifically for brokers and financial institutions.
• Architect and optimize blazing-fast, low-latency web applications that ensure brokers can execute trades with unmatched speed and accuracy.
• Design and implement high-performance data visualization components—live stock charts, trade analytics, real-time market depth, and complex order books.
• Work closely with brokers, backend engineers, and UX designers to craft seamless, intuitive, and highly secure trading solutions.
• Solve hard problems at scale—whether it’s optimizing execution speeds, handling high-frequency WebSocket updates, or ensuring zero downtime during peak trading hours.
• Innovate and experiment with cutting-edge front-end technologies to push the boundaries of brokerage solutions.
• Own your work end-to-end—from concept to deployment, ensuring traders and brokers get a flawless user experience.

Must-Have Skills:

• Proven expertise in Front-end development with React.Js
• Deep expertise in React, Next.js, TypeScript, and state management libraries (Redux, Recoil, Zustand, etc.).
• Proven experience in building and optimizing ultra-responsive, high-performance trading platforms for brokers.
• Strong understanding of financial data visualization, real-time charting, order book mechanics, and trade execution workflows.
• Hands-on experience with real-time data streaming, WebSockets, FIX protocol, and API integrations for brokerage services.

Nice-to-Have Skills:

• Experience working on brokerage trading platforms, order management systems (OMS), or risk management tools.
• Contributions to open-source React trading libraries or a portfolio of real-time financial applications.
• Knowledge of regulatory compliance, order execution policies, and broker risk management tools.
• A track record of leading front-end teams, mentoring developers, and driving architectural decisions.

Why Join Us?

• Work with elite engineers and brokerage professionals in the fast-moving world of trading technology.
• Build platforms that brokers, traders, and financial institutions depend on daily.
• A culture that values bold innovation, real-time execution, and pushing the limits of brokerage tech.
• Expect challenges, high expectations, and a relentless pursuit of performance and precision.
• Competitive compensation, performance-driven growth, and a real opportunity to lead and shape the future of trading web applications for brokers.

If you’re obsessed with performance, thrive under market pressure, and are driven by results, we want you on our team. This is your chance to solve some of the toughest front-end challenges in brokerage and fintech. Step up. Apply now.

Candidate must have Experience with Language React, Angular,MobX, and SCSS .

Candidate should have Hands-on experience working with RDBMS

Candidate should have developed from scratch.

Candidate should be more stronger in Angular.

Candidate from service based companies will be preferred.

Design, develop, and maintain scalable web applications using React.js.

Build and optimize Progressive Web Applications (PWAs) with offline capabilities, push notifications, and responsive design.

Implement mobile-first features and ensure cross-device compatibility.

Handle app packaging and distribution for various platforms (e.g., Android, iOS via PWA standards).

Collaborate with UI/UX designers and backend developers to deliver high-quality user experiences.

Design, build, and maintain a scalable component library to promote UI consistency and reusability across projects

Ensure cross-platform optimization and responsiveness of applications.

Optimize application performance and loading times.

Integrate APIs and manage state using modern tools (e.g., Redux, Context API).

Implement and manage push notifications and background sync features.

Advocate for and implement best practices in UI architecture, including modularity, theming, and performance optimization.

Stay up to date with the latest trends in Web development and PWA capabilities.

Hospitality services domain experience is a plus.

Strong problem-solving skills, with the ability to work independently and in a team.

Proficiency in Agile methodologies and software development best practices.

Experience with version control systems, particularly Git.

Job description

The primary role of this position is to receive final product design from Figma and then create pixel perfect UI in React Native (iOS, Android & Web App). It is of highest priority that communication is clear and transparent. The successful candidate must have the ability to self-manage each task not requiring a large amount of detailed explanation to complete.

Responsibilities

• Build pixel-perfect, buttery smooth UIs across both mobile platforms and Web App.
• Leverage native APIs for deep integrations with both platforms and Web App.
• Maintain code and write automated tests to ensure the product is of the highest quality.

Skills

• Firm grasp of the JavaScript (and TypeScript) language and its nuances, including ES6+ syntax
• Knowledge of (functional or object-oriented) programming
• Ability to write well-documented, clean JavaScript code
• Fluent at working with third-party dependencies and debugging dependency conflicts
• Rock solid at working with third-party dependencies and debugging dependency conflicts
• Familiarity with native build tools, like XCode, Gradle (Android Studio, IntelliJ)
• Understanding of REST APIs, the document request model, and offline storage
• GraphQL
• BitRise, GutHub, BitBucket

Advantageous attributes 

Understanding of AWS environment, Node.js, and Microservices

We are looking for a smart, passionate hands-on engineer to join our team. In this role, you will be responsible to drive innovation in full-stack development of complex web applications, while improving performance, scalability, and maintainability.

You should:

1. Have thorough knowledge of JavaScript, AJAX, jQuery, HTML5, CSS3, Bootstrap.
2. Be familiar with different PHP CMS (WordPress, Drupal, Joomla) and frameworks.
3. Be able to unit test the code components; Document the code and the functionality.
4. Be a good and quick learner, and open to learn new technologies in JavaScript Frameworks.
5. Good to have experience in MySQL/ MariaDB databases.
6. Good to have experience working with outside data sources and API’s.
7. Have Good Communication skills.

1. Deliver stable and scalable solutions in HTML, and JavaScript
2. Update existing components to support changing needs.
3. Improve the internal team culture of high-quality software development.
4. Cooperate with team members on maintaining existing solutions beyond means of code development.
5. Work on bug fixing and improving application performance.

What we offer:

• Various challenges ranging from scratch design/architecture to end-user experienced performance.
• Flexible working process, openness to suggestions and a fresh point of view.
• Room for self-improvement and knowledge exchange within the team.
• Close cooperation with Customer Experience Team providing actual feedback on end-user experience.
• Transparent cooperation with business stakeholders.

TECHNICAL SKILLSET

• You have strong experience with semantic HTML5, CSS3, and a CSS preprocessor of your choice SASS or LESS, understanding of writing modular CSS (Must)
• You have strong knowledge of Object Oriented JavaScript (Must)
• You have strong experience with Angular or any other frameworks like Ember, Backbone or React (Must)
• You have working experience with large scale front-end architectures
• You have good knowledge in using restful web services
• You have a strong focus on performance
• You have knowledge of CSS animations
• You have experience with automation tools like Web-pack, Grunt or Gulp
• You have knowledge of unit testing tools like Jasmine, Karma etc.

Job Role

• As a Frontend Developer you will be responsible for extending and optimizing product user interfaces. You will work in a team of developers and designers to build cutting edge, graphical appealing user interfaces that provide a great user experience
• Develop web applications using various JavaScript frameworks 
• Have attention to detail and identify potential performance weak spots
• Find and share frontend best-practices with team members and other developers
• You will be actively involved during the entire technology development lifecycle.
• Responsibilities will include all aspects from design, coding, testing, customer feedback cycle changes and support.
• Work with a team of amazing developers and designers involved in the design and development of global platforms, participate in Agile sprints
• Invent and prototype new features, build, test and ship them to customers as SaaS, cloud based or hosted product platforms
• You will be working on one of the fastest growing e-Commerce platforms in exciting application areas like core commerce, supply chain, logistics and fulfilment, merchant and offline to Online, mobile commerce, analytics, automation, DevOps and a lot more for the global markets positioned for Asia.
• Participate in a fun, open learning environment with great benefits and smart talented folks that represent among the best globally.

Qualification

• A Bachelor’s degree in Computer Science or equivalent.

Quinbay is an upstart digital platforms and products company with a core focus on disrupting traditional markets and business models with the strength of our innovation driven digital value. We harness the power of our open innovation culture, our unique talent selection approach, the skills and expertise of our people across various industries, domains and technologies and a unique blend of analytics driven strategies for creating future digital platforms.

OPPORTUNITIES : Pursue opportunities in and learning/growth interests in Mobile, product development, product management, Analytics, Machine learning, UI/UX design, DevOps, Automation, Drones, bots and Java / open source development frameworks and methodologies – on a variety of domains like eCommerce, Logistics and fulfilment, Mcommerce and a whole lot others.

Opportunities to be part of fastest growing eCommerce platforms in exciting application areas like core commerce, supply chain, logistics and fulfilment, merchant, mobile commerce, analytics, automation and a lot more for the global markets positioned for Asia.

About us:  

We are a fiercely restless creative studio with a broad vision across design & product experiences. Big brands and startups approach us because they find a cool team of committed individuals with great taste, obsessed with technology, originality, music, art & quality. We believe in independence, curiosity, experimentation and reinvention as the beacons to navigate the world. Learn more about us: ​https://grappus.com/">https://grappus.com/ 

About the role:

We are seeking a Frontend developer who has a knack for coming up with creative solutions to unique problems. You should have good time management skills and be able to work both autonomously and collaboratively with a cross-discipline team of product managers, strategists, UX designers, art directors, and developers. Most importantly, you have an eye for detail and the ability to make beautiful designs come to life through code. 

What we’d like to see:

• Developing new user-facing features using React Native
• Building reusable components and 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
• Developing and implementing strong algorithms/techniques for solving problems in a high-volume, high-availability environment
• Good knowledge of User Interface patterns and techniques to solve common UI problems
• Solid understanding of building scalable, maintainable and efficient user interfaces

Must Have:

• Strong proficiency in JavaScript , the JavaScript object model and ES6
• Thorough understanding of React.js and its core principles
• Experience with state management libraries like Redux, Mobx etc.
• Familiarity with Android / iOS platforms and ability to link native libraries with React Native
• Familiarity with newer specifications of EcmaScript 6
• Experience with data structure libraries (e.g., Immutable.js, immer)
• 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
• Familiarity with frameworks like Bootstrap, Backbone, Angular,  React JS, and libraries like jQuery, LESS and Ajax

Nice to Have:

• Personal projects or contributions to the open source community
• Strong organizational skills to juggle multiple tasks within the constraints of timelines
• Team player (those great personality types that people love to work with)
• Great communication skills 

Benefits of being part of our amazing team:

• Flexible working hours
• We don’t track your leaves & work-from-home
• Freedom to implement latest technologies & new ideas
• Lots of in-house training sessions &  an in-house product lab
• A pretty unique & unconventional culture and a damn cool office space
• Lots of ways to have fun - TT,  Indoor basketball, PS4, board games and variety of books to read