UI Lead - React.js

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.

We need a trained Website Developer.

Must have a experience of 3 to 5 years.

Knowledge of React, Nod JS, HTML CSS.

Responsibilities

• Take product ideas from ideation to implementation.
• Collaborate with Product and Design to create robust and usable features.
• Take ownership of the architecture for best performance and usability.
• Lead engineering discussions to ensure the best practices, maintainability and security of the application.
• Participate in design and code reviews.
• Lead and mentor the team of developers, to drive business objectives.

We are looking for

• 4+ years of experience building quality applications.
• Proficient in client-side JS frameworks such as React.js
• Passion for best design and coding practices and a desire to develop new bold ideas.
• Strong customer focus, ownership, and self-drive.
• Experience in planning, designing architecture and leading teams.
• Experience with SaaS products or an early stage startup is a plus.

Company Overview: We are a fast-growing vertical SaaS company in Chennai. Our product - GrowSmart - is used by leading project contracting companies across India. Our team values the following: respect for every individual, excellent learning opportunities, challenging work environment, larger responsibilities earlier in your career, commitment towards results, recognition for hard work. Website: https://growsmartsmb.com 

Job Overview: You will be part of the core product engineering team. It’s a small, highly productive team building a large and complex product. Our web app is built with React and Redux. The mobile apps are built with React-Native. The backend is built with NodeJs and PostgreSQL. So, javascript is the language we speak 😉. If you are fluent in javascript, you will be a great fit! This position is primarily for the front-end, but we encourage full-stack developers.

You will be a team player working collaboratively with product leaders, UI designers, and the testing team. Requirement Analysis, Design, Development, Unit Testing, and Integration Testing are the major activities you will take up. You will own a feature from UI design to go live.

Skills Expected:

1. Sound understanding of HTML/ DOM / Javascript / CSS.
2. Strong practical expertise in React and Redux.
3. Good understanding of usability, error handling, performance, and reusability concepts.
4. Ability to learn new concepts rapidly.
5. Ability to handle complexity - you will work on a large and complex app, often more than one task at a time.
6. Being self-driven - you enjoy taking ownership; you don’t need constant follow-up from a manager.

Job Highlights: Great opportunity to work on the full-stack in a large and complex product, with a small core team. Modern workplace at the heart of the city – Ashok Nagar. Young and flat team – you get full freedom to learn and grow. Excellent growth opportunity – can take up bigger responsibilities earlier in your career. Medical insurance for self. Due recognition and appreciation for hard work.

What you need to have:

Experience: 2 to 7 years

If you are looking to be part of the early-stage start-up team that is charting the course and solving a key pain point for the CXO, this opportunity is for you. The opportunity will provide you join a company where you can contribute to all aspects of the product definition, product building and solving some key challenges.

• Architect solutions and execution through hands-on development, quality-assurance, and prototyping 
• Collaborate with a UX/UI designers and other front-end and middle-tier engineers to design, prototype, and build user interface for complex cloud-based product 
• Participate in complete development life cycle activities like design, coding, testing and production release 
• Develop and maintain a scalable web and responsive applications 
• Exhibit Devops mindset – Work on continuous integration, including provisioning, deployment, testing, and version control of the software 
• Mentor new software developers and junior engineers

• Passionate engineer with 5 – 8 years of hands-on experience of developing next-generation user interface with high quality and performance 
• Strong desire to learn & evaluate new libraries/frameworks, and share knowledge with others 
• Ability to work in a fast-paced and agile development environment 
• Sound knowledge of front end standards and practices 
• Translating designs and wireframes into high-quality code 
• Knowledge of Redux, React.js and its core principles 
• Familiarity with RESTful APIs 
• Strong proficiency in JavaScript, AJAX, HTML5, CSS3, JSON, including DOM manipulation and the JavaScript object model 
• Experience with popular JS frameworks and libraries (React, Angular, JQuery, Ember, Babel, Webpack etc.) 
• Experience of building Single-page Web Apps 
• Ability to understand business requirements and translate them into technical requirements 
• Experience with test automation: TDD, unit/integration/functional testing 
• Proficient with debugging and testing tools to troubleshoot and optimize the UI 
• Solid understanding of object-oriented design and programming concepts, core JavaScript concepts like scope/closures, the event loop and asynchronous callbacks, promises

Good to have

• Full-stack development experience 
• Prior Startup Experience 
• Prior experience in developing real-time web applications 
• Experience with continuous deployment 
• Proficiency with Git/Github 
• Experience with GraphQL

Success Factors

• Start-up mindset 
• Good problem solving abilities 
• ‘Can-do’ attitude 
• Prior experience of working with globally distributed teams is an added advantage 
• Work with minimal supervision 
• Excellent communication skills and being able to work independently or in a full team

Our team is looking for fast-moving engineers with an entrepreneurial mindset. As a software engineer, you will help grow the platform by identifying new features, products, and business opportunities. You will write and own scalable production-grade code across the platform in collaboration with the small, close-knit and dedicated global development team.

We keep cloud-native concepts close to our heart whenever we design any software component and you will have exciting opportunities to work on new software frameworks, modern tech stack and cloud-native applications using latest cloud technologies.

If you want to feel and see that your contributions matter, have a strong desire to work for an early-stage startup and if you love working in a dynamic, agile, continually improving environment and most importantly, work with good people, come talk to us. If you are excited about the opportunity to build a cool new Cyber Security SaaS product ground-up then lets talk!!