
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.

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Job description
Job Title: React JS Developer - (Core Skill - React JS)
Core Skills -
- Minimum of 6 months of experience in frontend Dev using React JS (Excl any internship, Training programs)
The Company
Our mission is to enable and empower engineering teams to build world-class solutions, and release them faster than ever, we strongly believe engineers are the building block of a great society - we love building, and we love solving problems Talk about problem-solving and technical challenges. And unique problems faced by the Engineering Community. Our DNA of stems from Mohit’s passion for building technology products for solving problems which has a big impact.
We are a bootstrapped company largely and aspire to become the next household name in the engineering community and leave a signature on all the great technological products being built across the globe.
Who would be your customers - We, are going to shoulder the great responsibility of solving minute problems that you as an Engineer have faced over the years.
The Opportunity
An exciting opportunity to be part of a story, making an impact on How domain solutions will be built in years to come
Do you wish to lead the Engineering vertical, build your own fort, and shine through the journey of building the next-generation platform?
Blaash is looking to hire a problem solver with strong technical expertise in building large applications. You will build the next-generation AI solution for the Engineering Team - including backend and frontend.
Responsibility
Owning the front-end and back-end development in all aspects. Proposing high-level design solutions, and POCs to arrive at the right solution. Mentoring junior developers and interns.
What makes you an ideal team member we are eagerly waiting to meet - :
- Demonstrate strong architecture and design skills in building high-performance APIs using AWS services.
- Design and implement highly scalable, interactive web applications with high usability
- Collaborate with product teams to iterate ideas on data monetization products/services and define feasibility
- Rapidly iterate on product ideas, build prototypes, and participate in proof of concepts
- Collaborate with internal and external teams in troubleshooting functional and performance issues
- Work with DevOps Engineers to integrate any new code into existing CI/CD pipelines
- 6 months + of experience in frontend dev using React JS
- 6 moths + years of hands-on experience developing high-performance APIs & Web applications
Salary -
- The first 4 months of the Training and Probation period = 15K - 20K INR per month
- On successful completion of the Probation period = 3 - 3.5 LPA INR per month
- Equity Benefits for deserving candidates
How we will set you up for success You will work closely with the Founding team to understand what we are building.
You will be given comprehensive training about the tech stack, with an opportunity to avail virtual training as well. You will be involved in a monthly one-on-one with the founders to discuss feedback
If you’ve made it this far, then maybe you’re interested in joining us to build something pivotal, carving a unique story for you - Get in touch with us, or apply now!
Core Responsibilities
Front-end Development:
o Develop web applications using React, flask. o Implement responsive design to ensure user-friendly interfaces.
o Utilize mapping libraries (e.g., Leaflet, Mapbox) to display geospatial data.
Back-end Integration:
o Work with APIs and manage data flow for project analytics and management.
o Enhance features for robust data handling and real-time project analysis.
Cloud Deployment:
o Deploy and manage web applications on AWS and similar platforms. o Optimize for performance, scalability, and storage efficiency.
GIS and Mapping Tools:
o Develop tools using GIS data like KML and Shapefiles.
Job description
Overview
The infrastructure for regulation-compliant AI. Train and deploy generative AI for the large enterprise.It is the most private solution for enterprise AI. Achieve best-in-class and compliant AI at the fraction of the time and cost. It is an enterprise AI platform that provides state-of-the-art and regulatory-compliant AI for a fraction of the cost. It simplifies model training across privacy-critical datasets using Federated Learning and Differential Privacy.
Ø Roles & Responsibilities:-
Strong proficiency in JavaScript.
Thorough understanding of React.js and its core principles.
Experience with popular React.js workflows (such as Flux or Redux)
Familiarity with newer specifications of Ecma Script.
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.
Develop reusable components and front-end libraries for future use.
Optimize components for maximum performance across a vast array of web-capable devices and browsers.
Collaborate with other team members and stakeholders. Utilize Redux for state management.
In this role, you will be responsible for developing and implementing user interface components using React. js concepts and workflows such as Redux, Flux, and Webpack. You will also be responsible for profiling and improving front-end performance and documenting our front-end codebase.
· Skills: HTML and CSS. HTML and CSS are key abilities to consider. ...
· Fundamentals of JavaScript. JavaScript is the most important skill for developers to have. ...
· JavaScript ES6. ...
· JSX (JavaScript XML) ...
· Variables and Scoping. ...
· Git. ...
· DOM and Event Handling Facility.
Location-Bangalore/Remote
P.S-Only IIT, atlassian,google,slack,zoom,e-commerce,internet & product based startup companies
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?
- enabling our engineering teams to create highly reliable and scalable software systems, reduce client and server outages and increase system hygiene.
- 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.
- 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?
- Providing the right user experience to our customers, partners, and cc agents when they reach out to us
- 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
- 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.
- 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
- Solving problems related to optimal pricepoint for partners and customers, matchmaking with supply and demand, and building confidence around payment experience and location tracking.
We are looking for a good JavaScript developer who is proficient with React.js. Your primary focus will be on developing user interface components and implementing them following well-known React.js workflows (such as Flux or Redux). You will ensure that these components and the overall application are robust and easy to maintain. You will coordinate with the rest of the team working on different layers of the infrastructure. Therefore, a commitment to collaborative problem solving, sophisticated design, and quality product is important.
Responsibilities
- 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
Skills:
- Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model
- Thorough understanding of React.js and its core principles
- Experience with popular React.js workflows (Redux)
- Familiarity with newer specifications of ECMAScript
- Experience with data structure libraries (e.g., Immutable.js)
- 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
- 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)
About the Company:
Our client is a B2B2C tech Web3 startup founded by founders - IITB Graduates who are experienced in retail, ecommerce and fintech.
Role Description :We are looking for a React.Js developer interested in building performant mobile apps on both the iOS and Android platforms. You will be responsible for architecting and building these applications, as well as coordinating with the teams responsible for other layers of the product infrastructure. Building a product is a highly collaborative effort, and so we are looking for a strong team player with a commitment to perfection.
Key Responsibilities
• Developing new user-facing features using prominent front-end frameworks • Involved with and translates designs and style guides provided by the UI/UX team into functional user interfaces using responsive design, ensuring cross-browser compatibility and performance • Building reusable components and front-end libraries for future use • Optimizing components for maximum performance across a vast array of web-capable devices and browsers • Takes ownership and responsibility for the successful delivery of the solutions • Works collaboratively with the engineering and product solution team, demonstrates prototypes for faster feedback to keep improving the user experience • Contributes to continual improvement by suggesting improvements to the user interface, software architecture, or use of new technologies
Required Skills and Qualifications
• 3-8 years of experience in frontend development primarily using React
• Experience in Hypertext Markup Language revision 5 (HTML5), Cascading Style Sheets (CSS), TypeScript and ReactJS (JavaScript)
• Thorough understanding of NodeJs & React.js(SSR) and its core principles
• Experience with common front-end development tools such as Babel, Webpack, NPM, etc.
• Familiarity with RESTful APIs
• Excellent communication skills
• Ability to understand business requirements and translate them into technical requirements
• A self-starter, who loves to take on hard problems and is enthusiastic to learn new technologies and work in startup environments
Regards
Team Merito
- To analysis business requirements, prepare design and implementation recommendations and estimate development effort
- Collaborate with cross-functional teams to define, design, and ship new features
- Lead or participate in design reviews, code reviews and architecture evolution discussions
- Unit-test code for robustness, including edge cases, usability, and general reliability
- Work on bug fixing and improving application performance
- Continuously discover, evaluate, and implement new technologies to maximize development efficiency
Skills Required :
- Experienced with front end programming language with React JS.
- Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model.
- Thorough understanding of React.js and its core principles.
- Experience with popular React.JS workflows (such as Flux or Redux).
- Knowledge of modern authorization mechanisms, such as JSON Web Token.
- Familiarity with modern front-end build pipelines and tools.
- Familiarity with code versioning tools (such as Git, SVN, ).
- Candidates with Good communication Skills.
- Work closely with our customers to understand their needs and build high-quality user interfaces.
- Build, test and ship dashboards using frameworks like React, ES6, and Webpack.
- Work with engineers and senior leadership to turn our vision into a tangible roadmap every quarter.
- Add positive energy in every meeting or interaction with your coworkers.
Minimum Qualifications
- B.E/B.Tech/M.Tech in CS/CE/IT
- Must-have requirements for candidates include proficiency in the following areas/aspects:
- Git version control system
- Ability to collaborate and communicate complex technical concepts.
- Experience working with charting libraries (i.e. ChartJS, Chartist, Grafana).
- Experience with ReactJS
- Experience building highly scalable, high performance, responsive web applications
- Experience in fundamental front end web technologies including but not limited to HTML, CSS, JavaScript - Minimum work experience 2 years
Languages/Frameworks
Javascript, React, HTML/CSS
Preferred Qualifications
- Experience building, adopting and maintaining RESTful APIs.
- A passion for all things UI and Front End
- Ability to work in a fast-paced and agile development environment
- Strong customer focus and obsession with quality
- Experience working with UI for data-heavy products.
* Research, guide, and execute frontend architecture changes
* Ensuring high performance of web app
* Writing tested, idiomatic, and documented JavaScript, HTML and CSS
* Cooperating with the back-end developer in the process of building the RESTful API
Skills and Qualifications:
* Proficiency with reactive Programming in JavaScript
* Deep knowledge of Angular2.0+/React practices and commonly used modules based on extensive work experience
* Creating self-contained, reusable, and testable modules and components
* Ensuring a clear dependency chain, in regard to the app logic as well as the file system
* Extensive knowledge of HTML & CSS
* Validating user actions on the client side and providing responsive feedback
* Writing non-blocking code, and resorting to advanced techniques such as multi-threading, when needed
* Creating custom, general use modules and components which extend the elements and modules of core Angular2.0+/React
* Experience with all levels of operation available to the front-end
DUKAAN - Create Your Online Store in 30 Seconds
Dukaan is an app that allows offline businesses to sell their products and services online. On our app, the users can make beautiful product catalogs (catalogs) right from a smartphone and share with their customers easily on different social media apps such as Whatsapp Business, Whatsapp, Facebook, Instagram, etc. Praised by users all over India, this app has saved declining businesses by helping them transfer their shop online. The journey has just begun and we are on a mission to make India truly Digital.
Dukaan is currently powering over 5 M e-commerce stores built by Indian small businesses and growing at a crazy rate.
We are looking for Frontend developers to join our team.
DESCRIPTION
We are looking for a great Frontend developer who is proficient with React.js. Your primary focus will be on developing user interface components and implementing them following well-known React.js workflows (such as Flux or Redux). You will ensure that these components and the overall application are robust and easy to maintain. You will coordinate with the rest of the team working on different layers of the infrastructure. Therefore, a commitment to collaborative problem solving, sophisticated design, and quality products are important.
RESPONSIBILITIES
- 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
REQUIREMENTS
- Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model
- Thorough understanding of React.js and its core principles
- Experience with popular React.js workflows (such as Flux or Redux)
- Familiarity with newer specifications of EcmaScript
- Familiarity with RESTful APIs and sockets
- 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
- Experience with PWAs and React Native is a huge plus







