Sr. React.js 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.

We're looking for a Front-end Developer who is able to develop interactive, user-friendly

interfaces which are AMAZING and AESTHETIC in design, appearance, architecture, and compatibility. You will work on a diverse set of unique and challenging projects that allow user to seamlessly interact with technology.

Work Details:

● Deliver best-in-class HTML5/CSS3 front-end code across a broad array of interactive

web and mobile projects

● Excellent eye for layout and ability to translate PSD files into pixel perfect HTML/CSS

code. SASS is a plus.

● Experience with modern JavaScript libraries and frameworks in any of them (React,

Angular or Vue)

● Proficiency working with RESTFUL APIs is a plus

● Intimate knowledge of cross-browser and cross-device development

● Ability to write high-performance, reusable code for UI components, including

appropriate testing

● Some experience in object-oriented programming.

● Strong problem solving, troubleshooting, & analysis skills.

● Familiarity with Linux/Unix environment

● Keen to learn, mentor and willingness to take ownership of work items

● Some experience with distributed version control systems, such as Git

Requirements

● Bachelor’s degree in Computer Science or a related field, or equivalent professional

experience

● Experience working with agile teams and making rapid decisions in a dynamic and

disruptive environment

● 3+ years of relevant software development experience

● Strong communication skills

As someone who will be a part of our team, your understanding of the product and our customers will be incredibly valuable.

Skills Required

• Thorough understanding of React.js and its core principles.
• Experience with popular state management tool -Redux
• Experience with HTTP based packages like Axios.
• GIT experience is a plus

About You

• You take initiative and ownership to see things through to completion. If it needs doing, you do it.
• You’re eager to take on challenges. When you don’t know something, you embrace the chance to grow and get better.
• We work together as a team, and that means we encourage each other to improve as a team. You are self-sufficient and love the challenge of solving problems and learning new things

As a React.js Developer, you will be involved from conception to completion with projects that are technologically sound and aesthetically impressive.

Benefits:

• Food allowance
• Leave encashment
• Paid sick time

• 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
• Assure that all user input is validated before submitting to the backend
• Collaborate with other team members and stakeholders

Skills And Qualifications

• Proficient understanding of web markup, including HTML5, CSS3
• Basic understanding of server-side CSS pre-processing platforms, such as LESS and SASS
• Proficient understanding of client-side scripting and JavaScript frameworks, including jQuery
• Good understanding of advanced JavaScript libraries and ReactJS frameworks.
• Good understanding of asynchronous request handling, partial page updates, and AJAX
• Basic knowledge of image authoring tools, to be able to crop, resize, or perform small adjustments on an image. Familiarity with tools such as Gimp or Photoshop is a plus.
• Proficient understanding of cross-browser compatibility issues and ways to work around them.
• Proficient understanding of code versioning tools, such as Git / Mercurial / SVN.
• Self-motivated and a good team player.
• Good communication and interpersonal skills.
• Preferred years of experience- 2- 3 years
• Bachelor’s Degree in Engineering from a reputed Institute.

• Designing and developing user interfaces using Angular best practices.
• Adapting interface for modern internet applications using the latest front-end technologies.
• Writing JavaScript, CSS, and HTML.
• Developing product analysis tasks.
• Making complex technical and design decisions for Angular
• Developing application codes and unit tests in Angular JS, Java Technologies, and Rest Web Services.
• Ensuring high performance of applications and providing support.

• Bachelor’s degree in computer science, computer engineering or similar.
• Should have 3+ experience as an Angular JS developer.
• Excellent project management skills.
• Salary is negotiable for a right fit.

About NetElixir: 

NetElixir is a global digital marketing firm headquartered in Princeton, NJ. With a common goal of helping our customers and challenging ourselves to think differently, we face challenges and tackle them together as a team. We are a close-knit group of imaginative and friendly industry experts who bring our unique passions and personalities together to find creative solutions that drive results.

With offices in the US and India, NetElixir works persistently gathering, evaluating, computing, and formulating raw data and turning it into actionable insights for our customers. We work consistently to develop new technology that will improve and facilitate digital marketing efforts across the globe.

Role: React JS

Experience: 2 -5 Years

Company Website: http://www.netelixir.com/">www.netelixir.com 

Job Description:

To be part of Netelixir's Engineering Development Team in Digital Marketing, Consumer Insights, Analytics and Ecommerce Domains which caters to about 100 Ecommerce clients in USA & European Geographies

• Should have implemented at least 2-3 projects using React Interface (ReactJS, React Native).
• Experience with standard libraries for routing, state managers like Redux, knowledge of ES6 and Lodash.
• Familiarity with one of the design systems such as Material UI.
• Strong hands on exposure to convert visual designs to React based web interfaces
• Integration of the React with backend services.
• Exposure to building and integration of web interface with the backend service APIs implemented on Restful, SOAP etc.
• Proficiency in one or more of Java, Tomcat, MySql, MongoDB, Python, Angular, Bootstrap, JQuery, JS Frameworks, JSP, HTML5 CSS Frameworks will be added advantage. 

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