React Developer

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.

Duration: 3 Months

Type: Hybrid(Gurgaon); Paid

Joining: Immediate

Who's a fit:

- Experience with React Native and ReactJS

- Excellent problem-solving and logical thinking

- Completed a degree in Computer Science, Engineering, or related field

- Projects to showcase your skills

Primary Skills : 

React

Redux

Node basics for API integration

Convert design to code

Good HTML CSS

JS Fundamentals

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.

Requirements

• 2-5 years of experience as a front-end developer
• Experienced in developing applications using JavaScript, ReactJS, Redux, Redux Saga, NodeJS, HTML5, CSS3/CSS4 and other UI technologies.
• Understanding and experience with ES6 concepts, asynchronous processing, partial page refresh, DOM traversal and manipulation.
• Experience with REST API construction, documentation, and architecture, including API description languages like Swagger.
• Comfortable writing Unit Test Cases (Enzyme/ Jest)
• Familiar with cloud services: AWS, Dev-ops such as Git, Jira, Confluence
• Good to have experience/knowledge of
  • Spring (MVC, IOP/DI, REST, Security)
  • Docker,
  • Scala,
  • Python
• Able to connect the dots between code and business value

Responsibilities

• Engage in high level conversations about business strategy and the role tech plays in it
• Write well-designed, testable, and efficient code that powers our application
• Write specs and do planning for everything we build
• Conduct application analysis, testing, and debugging
• Diligently document code to keep it clean and transparent
• Ensure cross-browser and device compatibility

You Are

• You believe it’s always on you to make sure anything you do is a success.
• You have the ability to make quick and effective decisions.
• In love with a challenge. You revel in solving problems and want a job that pushes you out of your comfort zone.
• Open to change. You’re inspired by the endless ways in which everything we do can always be improved.

Add-Ons/Interview Process

• You should be comfortable working in a Start-up for in-house product development.
• Will not be engaged with any Client, but with the internal team (in India & the US).
• Will be provided a hands-on exercise to complete and submit as a part of interview.

Currently We are Looking for a Front-End Web Developer who is motivated to combine the art of design with the art of programming. Responsibilities will include translation of the UI/UX design wireframes to actual code that will produce visual elements of the application. You will work with the UI/UX designer and bridge the gap between graphical design and technical implementation, taking an active role on both sides and defining how the application looks as well as how it works.

Responsibilities :

·         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 back-end

·         Collaborate with other team members and stakeholders

Experience & Skills :

·         Experience in coding using Angular, AngularJS, ionic framework mandatory.

·         Proficient understanding of client-side scripting and JavaScript frameworks, including jQuery, understanding of web markup, including HTML5, CSS3

·         Proficient understanding of client-side scripting and JavaScript frame

·         Good understanding of  advanced JavaScript libraries and frameworks, such as AngularJS

·         Good understanding of asynchronous request handling, partial page updates, and AJAX

·         Basic understanding of server-side CSS pre-processing platforms

·         Basic knowledge of image authoring tools, to be able to crop, resize, or perform small adjustments on an image. Familiarity with tools such as 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

·         Good understanding of SEO principles and ensuring that application will adhere to them

We are looking for a motivated React js developer to come join our team.

Roles & Responsibilities:

• React.js developers (about 3-5 years of experience) are involved in the interface
• component design from implementation to testing.
• Implement user interface components for JavaScript-based web and mobile applications using the React open-source library ecosystem.
• Should have proficiency in front end languages HTML, CSS, JavaScript, and JavaScript
• frameworks like REACT, Angular JS.
• Have knowledge in REACT tools such as react.js, Webpack, Enzyme, Redux, and Flux. Previous experience in user application.
• interface design is essential.
• Must have hands-on experience in payment gateway,3rd party API integration, Security encryption & decryption experience.

Skills:

• A good attitude toward work, Strong problem-solving skills
• Desire to work in a fast-paced environment along with project and time management skills
• Ability to work independently or with a group