Software Engineer

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.

Responsibilities:

• Working closely with product, design and development team to achieve high cohesion across features and;
• Feasibility analysis of the technical requirements and web designs;
• You will be responsible to develop and contribute towards consumer-facing web application;
• Writing modular code to achieve loose coupling and reusability of modules across application;
• Architecting, prototyping and implementing high-impact modules for our end users;
• UI/UX.

Requirements:

• High Proficiency in frontend technologies like Angular, React JS, Vue.Js Redux etc.;
• Good design skills and knowledge and experience working with UI design patterns and frameworks;
• Good understanding of fundamental design principles behind a scalable application;
• 3-5 years of strong hands-on experience in Angular and React.

About the Role

We are seeking an experienced Senior React Web Developer to join our product development team. As a Senior React Web Developer, you will be responsible for developing and maintaining our web applications using ReactJS and Material UI. You will work closely with other developers, designers, product managers, and stakeholders to create high-quality, user-friendly, and scalable software.

Key Responsibilities:

● Design and develop high-quality, responsive, and user-friendly web applications using ReactJS and Material UI.

● Collaborate with product managers, designers, and stakeholders to ensure the project meets the business requirements and user needs.

● Write clean, maintainable, and efficient code.

● Optimize the application for maximum speed, scalability, and usability.

● Develop reusable UI components and libraries.

● Ensure the technical feasibility of UI/UX designs.

● Identify and troubleshoot bugs and issues.

● Stay up-to-date with the latest trends and technologies in ReactJS, Material UI, and front-end development.

● Participate in code reviews and contribute to the development of best practices.

● Mentor and guide junior developers in the team.

Requirements:

● Bachelor’s degree in computer science or related field.

● At least 7 years of experience in front-end development, with at least 4 years of experience in ReactJS and Material UI.

● Strong proficiency in JavaScript, CSS, HTML, and related web technologies.

● Experience with Redux, Redux Saga, and other state management libraries.

● Experience with building scalable and complex web applications.

● Strong problem-solving skills and attention to detail.

● Experience with Agile development methodologies.

● Strong communication and collaboration skills.

● Experience with Git and version control.

● Ability to work independently and as part of a team.

Preferred:

● Experience with GraphQL and Apollo Client.

● Experience with server-side rendering using Next.js.

● Experience with AWS or other cloud providers.

● Experience with CI/CD pipelines and automation.

● Experience with testing frameworks like Jest, Enzyme, or Detox.

● Experience with UX/UI design and prototyping tools.

Detailed Job Description :

Exp – 4- 8 Years

Primary Skill - (3 yrs min in React is required), Typescript/Javascript, HTML/CSS, should be ok

Fulfil’s software engineers develop the next-generation technologies that change how millions of customer orders are fulfilled by merchants. Our products need to handle information at a massive scale. We're looking for engineers who bring fresh ideas from all areas into our technology.

As a Front End software engineer, you will work on the ReactJS powered user interface used by Fulfil merchants to manage their back-office operations. This is mission critical software and your primary focus will be on developing user interface components and implementing them following well-known React.js workflows. You will ensure that these components and the overall application are robust and easy to maintain. In this role, you will be collaborating closely with the rest of the team working on different layers of infrastructure in an international environment. Therefore, a commitment to collaborative problem solving, sophisticated design, and quality are important.

What You’ll Do:

• Collaborate with a small yet extraordinarily talented team of engineers to implement front-end technologies
• Develop new user-facing features using React.js and React Native
• Work closely with the Design and Product teams to translate complex technical workflows into delightful user experiences
• Define how Fulfil builds user interfaces and ensure that we’re utilizing and keeping up with modern web standards
• Continually test, measure, and iterate on the results of your work in the spirit of continuous improvement
• Write clean, reusable, and well-tested front-end code
• Help to bridge the responsibilities of the Product and Engineering teams, spending time with both on the way to launching new products
• Architect efficient and reusable front-end abstractions and systems that drive complex web applications
• Create reliable and type-safe applications with Typescript
• Build and contribute to open source projects
• Build reusable components and front-end libraries for future use
• Optimize components for maximum performance across a vast array of web-capable devices and browsers

We’re Looking for Someone With:

• 5+ years of experience as a front end engineer
• Experience in building large-scale web applications in a fast-moving team environment
• A strong understanding of UX and UI design standards
• The perfectionist’s touch on a pragmatist’s deadline: you strive for pixel-perfection and intuitive functionality
• Strong proficiency in JavaScript (2-4 Years of experience), including DOM manipulation and the JavaScript object model
• Thorough understanding of React.js and its core principles, with experience in popular React.js workflows
• Experience with common front-end development tools such as Babel, Webpack, NPM, etc
• Experience with popular testing frameworks, like Jest, Cypress, and Testing Library.
• The ability to bring any design to life with HTML and CSS, with cross browser compatibility and accessibility
• Smarts, humility, communication skills, and equal willingness to teach and learn
• Familiarity with RESTful and GraphQL APIs
• Knowledge of modern authorization mechanisms, such as JSON Web Token
• Experience in developing large client side JavaScript applications
• Familiarity with code versioning tools like GIT
• Experience with Javascript testing tools and test automation

Nice to Haves:

• Prior experience at a growth stage Internet/Software company
• Demonstrated work beyond the front-end, experienced in integrating with a wide array of back-end technologies and services (e.g. experience with Python, AngularJS)
• Experience developing large client-side applications and optimizing them for performance
• You can straddle client and server development, creating APIs that drive web apps
• You understand the intricacies of timezones
• Web optimization, performance tools, and load testing
• You maintain or contribute to an open-source project

About Xpresslane:
Xpresslane is a universal one-click checkout platform for eCommerce. We want to transform the way online shoppers buy, Democratize optimized checkout and post checkout experience. We have achieved 150+ signups from D2C merchants in the last year alone and are aggressively adding new features to help solve problems in their checkout process.

Engineering @Xpresslane:
We are a small group of Tech Enthusiasts, Product Managers. We give incredible value to design and UX is our topmost priority. We've implemented products using Go, Java, Kubernetes, Docker, Temporal, GraphDB, Svelte & React, Cypress, Gitlab CI/CD.

Why Engineering @Xpresslane:

• Opportunity to Design & Implement new features which are internet-facing.
• Opportunity to Design Scalable Distributed System spanning many regions.
• Freedom to learn & work across Frontend/Backend/Devops/Design Expertise.
• 2-4 years of experience in Frontend Engineering.
• Expertise in one or more frontend frameworks like React/Angular/Vue/Svelte
• Style the frontend applications with an incredible focus on design & UX.
• Self-driven in identifying opportunities to make things better and efficient.
• Ensure code quality and reliability through automated test implementations.
• View frontend as Engineering i.e, plan & implement components for reusability, testability
  and scalability.
• Nice to have, experience in using Figma/Sketch for quick mockups & prototypes
• Nice to have knowledge of cache busting, CSRF, XSS attacks.

Looking for candidates with 0-30 Days Notice period.

Looking for a Frontend/JavaScript Developer with experience in building high-performing, scalable, enterprise-grade applications. Frontend developer roles and responsibilities include developing single-page apps using ReactJS and modern JavaScript practices and patterns.

Responsibilities:

• Contribute in all phases of the development lifecycle
• Write well designed, testable, efficient code
• Ensure designs are in compliance with specifications
• Support continuous improvement by investigating alternatives and technologies and presenting these for architectural review.

Requirements:

• 3-10 years experience in Frontend technologies
• Hands-on and ready to continue as an individual contributor/Lead the team also.
• Strong in core JavaScriptwith ES6 ES5 ES7
• Expertise in ReactJS, Redux with minimum 1-2 years of experience
• Unit testing (Jest/Enzyme) is necessary
• Expertise in HTML5 CSS3
• Proficient in Grunt, Gulp, and Webpack, bower, yarn, the module loader
• Hands-on experience with multiple libraries/frameworks - jQuery, Jasmine, Mocha, etc.
• Expert level understanding of HTTP protocols (1.0 1.1 and 2.0) and Websockets and JS WebSocket
• Experience with working on SaaS/PaaS based applications