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.

Key Responsibilities

• Develop new user-facing features using React.js and related libraries.
• Build reusable components and front-end libraries for future use.
• Translate designs and wireframes into high-quality, responsive code.
• Optimize components for maximum performance across a variety of web-capable devices and browsers.
• Collaborate with designers, product managers, and backend developers to deliver seamless user experiences.
• Debug and fix performance and UI issues.
• Write clean, maintainable, and testable code.
• Stay up-to-date with the latest trends and best practices in front-end development.

Required Skills & Qualifications

• Strong proficiency in JavaScript (ES6+), React.js, and Redux (or similar state management libraries).
• Experience with HTML5, CSS3, SASS, and responsive design principles.
• Familiarity with RESTful APIs and JSON.
• Understanding of Git and version control workflows.
• Knowledge of Webpack, Babel, or similar build tools.
• Good understanding of component-based architecture and front-end design patterns.
• Excellent problem-solving and debugging skills.
• Strong communication and teamwork abilities.

Preferred Qualifications (Nice to Have)

• Experience with TypeScript.
• Familiarity with Next.js, React Query, or React Router.
• Experience with Unit Testing frameworks (Jest, Enzyme, React Testing Library).
• Basic knowledge of Node.js or Express.js.
• Familiarity with CI/CD pipelines and DevOps tools.
• Exposure to Agile/Scrum methodologies.

Software Engineering

• 4+ years of experience in designing, developing, and maintaining React-based applications
• 4+ years of hands-on experience in developing medium to large-scale applications using Javascript frameworks
• Experience with projects that involve, improving the reliability and performance of your web-apps, by leveraging different observability tools like Lighthouse, Sentry, and Datadog.
• Good understanding of functional programming paradigms and UI architecture patterns
• A decent understanding of cloud infrastructure like AWS to orchestrate and manage our applications.
• Experience with testing frameworks like JEST, modern auth mechanisms, and server-side rendering through frameworks like NextJS
• Experience with backend technologies like JAVA, and Kotlin would be good to have.

Product Development

• Ability to scope, review and refine user stories for technical completeness and to resolve dependency risks.
• Well-versed in working in an agile environment and being involved in different stages of SDLC - Design, Development, Code Review, Testing, and Release Management
• Ability to work with different CI/CD frameworks, with hands-on experience with Git or any similar source code management tools
• Continuously refactor applications so that they are easy to maintain, easy to extend, and contribute to

Your Tech Stack

Web Application Frameworks: React, Ruby on Rails

Programming Languages: ReasonML/Rescript, Typescript, Javascript, Kotlin, HTML, CSS

Tools and Libraries: Webpack, Sentry, NextJS, NodeJS, Jest, Figma

Communication: HTTP, GraphQL, Amazon SQS, Amazon SNS

Observability: Google Analytics, Lighthouse, Sentry, Kibana, Datadog

What you will build with us?

The front-end platform at Porter is geared toward developing a variety of products for customers, partners, and our internal teams. You will be a part of Porter’s Web Engineering Platform team.

What will be your primary focus?

1. enabling our engineering teams to create highly reliable and scalable software systems, reduce client and server outages and increase system hygiene.
2. building the right set of tooling and flows for our web and mobile teams, for improving developer productivity. This will enable our application teams to churn out user features rapidly and will help them build the best-in-class product solutions for our business teams.
3. work on security initiatives, to protect information and information systems from unauthorized access, use, disclosure, disruption, modification, or destruction in order to provide confidentiality, integrity, and availability.

What will you closely influence?

1. Providing the right user experience to our customers, partners, and cc agents when they reach out to us
2. Building tools to help boost user growth on our platform including our driver onboarding, training and certification system, referral system, and lead management models. A step towards sustainable user growth and providing personalized experiences, on our platform
3. Unlocking new growth levels for Porter, in form of our new vibrant customer base through business initiatives like Packers and Movers, Part-Load, and help Porter on its journey to becoming a super Logistic App.
4. Enabling us to engage our partner ecosystem better with our fast-moving initiatives in the Insurance and Lending segments. Your work here will directly impact the livelihood of our partners
5. Solving problems related to optimal pricepoint for partners and customers, matchmaking with supply and demand, and building confidence around payment experience and location tracking.

• 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.

• Designing, developing, and testing UI for mobile and web applications
• Build reusable code and libraries for future use
• Accurately translate user and business needs into functional frontend code.
• Developing new user-facing features using React and redux
• Building reusable components and front-end libraries for future use.
• Translating designs and wireframes into high-quality code with proper standards.
• Optimizing components for maximum performance across a vast array of web-capable devices and browsers.
• Work with outside data sources and APIs.
• Added Advantage: Knowledge and experience in Cloud Computing

React Developer - Weapons Master

Smooth like butter, like a criminal undercover

• At least a year’s experience with React and Redux. You Know how to integrate Babel and use Webpack You should have worked with unit testing frameworks such as Mocha, Jest, Jasmine, or Ava
•  Experience building pixel perfect UI with HTML5 and CSS, Sass is a plus 
• Used developer tool plugins for the browsers and have knowledge of Flow ( Plus points here) along with an understanding of functional programming concepts

• - The ability to impact the next billion in the fintech industry.
• - Complete freedom to execute stupid ideas brilliantly
• - Furry friends to work with. We’re talking about our office cat, Shera of course!
• For more details dial - nine/one/zero/one/four/double three/eight/one/two.

If a misaligned shadow bothers you, we already like you 😆

• Master's / Bachelor’s degree in Computer Science, Software Engineering, or Self taught developer.
• 3+ years of experience in fundamentals of web, HTML, CSS and JavaScript.
• Familiarity with JavaScript frameworks such as Vue or React.
• Understanding of product design, user experience and skills to recreate and match high quality pixel perfect designs and can go above and beyond in detailing.
• Has ability to build a ground up resoluble components and in-house UI system that can scale across the product.

A collaborative role with Individual ownership ✅

• Ownership of developing UI related features. Work with with the rest of the engineering team to develop, launch or maintain features.
• Take ownership of design <> dev collaboration and participate in the education of both sides.
• Work closely with design team and become a bridge between engineering and design.
• Maintain code integrity.

Experience - 2.0 - 6.0 Year(s)

Location : Bangalore/Gurgaon

Qualification : Any Graduation

Candidate should either be from Tier 1 college/working in a Tier 1 product based company

Looking for Candidates having 2 to 6 Year(s) of experience in Frontend Development and atleast 1.5 to 2 years of experience in React.js

Individual contributor role

Reporting to Tech Lead Directly

Headquarters : Gurgaon, Haryana

Year founded : 2015

Work Location : Gurugram

Job Description –

Job Role - Software Developer Frontend

Key Capabilities

• Developing new user-facing features using React.js
• Building reusable components and front-end 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
• Knowledge of isomorphic React is a plus  

If you think you are one of them then please reply with your interest and we will take your candidature ahead for the next level of evaluation. Below information would be appreciated more:

Current CTC:

Expected CTC:

Notice Period:

Update Resume: please attach

Looking forward to taking you to the next level of technology.