Lead UI

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:

² Develop and maintain responsive web applications using React.

² Collaborate with UX/UI designers to translate wireframes and mockups into functional code.

² Optimize applications for maximum speed and scalability.

² Write clean, maintainable, and efficient code following best practices.

² Participate in code reviews and contribute to team knowledge sharing.

² Troubleshoot and debug applications to enhance performance.

² Stay up-to-date with the latest industry trends and technologies to ensure our tech stack remains cutting-edge.

Qualifications:

² Current SDE 3 designation or equivalent experience in a senior development role.

² 5+ years of experience in software development, with a strong focus on frontend technologies, particularly React.

² Proficiency in JavaScript (ES6+), HTML, and CSS, with a deep understanding of modern web development practices.

² Experience with state management libraries (e.g., Redux, MobX) and routing solutions.

² Strong knowledge of RESTful APIs and experience with modern build tools (Webpack, Babel).

² Experience with testing frameworks (e.g., Jest, React Testing Library) and test-driven development (TDD).

² Excellent problem-solving skills and the ability to work collaboratively in a fast-paced environment.

Frontend Engineer - Angular Developer

The Impact you will create in the Job:

Design and build beautiful UI’s using the Angular framework

As an individual contributor, you will tackle some of our broadest technical challenges that requires deep technical knowledge, hands-on software development and seamless collaboration with all functions.

You will envision and develop features that are highly reliable and fault tolerant to deliver a superior customer experience.

You will get an opportunity to work with some of the best talent while learning from various highly-functional teams in the company.

Explore and design dynamic and compelling consumer experiences.

Work closely with the front-end team to implement versatile front-end solutions while embracing emerging technologies and pushing the limits of what a browser can do.

Suggest and implement improvements to existing product interfaces.

Ensure that all the assigned systems are performing to scale.

Command an impressive portfolio of the latest UI technologies

You will also collaborate with cross-functional teams to meet deliverables throughout the software development lifecycle and continuously identify areas of improvement.

What we look for?

Bachelor’s/Master’s degree in Computer Science/IT.

3-7 years of experience in designing and implementing high-performance web applications.

Proven expertise in front-end development and Angular.

Strong Knowledge in Angular 6/8 (Latest Version preferred).

Solid understanding of HTML/HTML5, CSS/CSS3, JQuery/JavaScript.

Proficiency working with REST API and JSON API.

Experience working on Reactive based forms.

Knowledge of NgRx.

Must be a self-starter and keen to explore new solutions.

Excellent team working and collaboration skills.

Solution oriented approach.

Good Hands-on in Linux OS, Git versioning.

Comfortable with tackling ambiguous problems and unblocking yourself.

1. We are looking for candidates who have good programming skills. Strong on data structures, algorithms, understand time space complexity, able to come up with multiple solutions and then arrive at most optimized one keeping in mind customer requirements. Should also be well aware of OO concepts. If he / she has a strong background on these areas ( in any programming language),
2. Next the candidate should have worked on JS  with good hands on experience in a few projects mainly in backend development like making api calls, handling exception, models, data transformations, controllers etc. 
3. The last would be having some experience in any one of react.js/ node.js or even angular.js since some of these are being used in the current project. 
4. Prefer candidates with Angular (ver 8+), react.js (ver 16+), Node (Ver 14+) and extremely good in JavaScript, HTML & CSS
5. Experience : 3-6 years relevant

- 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.

Who are we looking for? 

• Someone who is a skilled front-end developer looking to develop new skills and expand their professional horizons
• Candidate having Creative Thinking and Original Approach
• Professionals who take ownership to drive solutions and are a self-starter
• Professionals interested in working in a start-up environment with fast growth potential that prioritizes innovation
• Candidates without prior experience of Vue.JS can also apply

• Work on http://www.faveohelpdesk.com/" target="_blank">www.faveohelpdesk.com
• You will act as the subject matter expert for all best practices regarding Vue.JS
• You will work directly with the UX design team to continuously improve our clients/customers  experience
• You will develop new components and products which will broaden our product suite
• You will document each Vue component

• Vue.js
• Basic Adobe Photoshop
• Any IDE such as Netbeans
• HTML5
• CSS3
• Twitter Bootstrap
• jQuery
• JavaScript

•  Strong academic track record; ability to demonstrate superior work performance and a commitment to outstanding results
• 1 year to 3 years of hands-on experience in front-end and cross-platform development
• Strong experience developing enterprise scale applications in Vue.js, JavaScript, Angular JS or any MVC framework
• Expert understanding of core front-end web technologies (JavaScript, HTML5, CSS3, jQuery)
• Strong JavaScript development skills including unit testing, packaging (e.g. Webpack), version management (e.g. Git), etc.
• Experience with UI design, a strong eye for clear layout and presentation both on-screen and on-paper, and the ability to implement such layouts using HTML, CSS, SCSS, and Bootstrap across different browsers and on mobile
• Expert understanding of responsive web design
• Ability to write clean, well-structured code
• Excellent command of the English language, both written and verbal.
• Strong analytical/ problem-solving skills
• Attention to detail and the ability to work to tight deadlines

https://polyglots.io">Polyglots is a young and innovative software development agency located in Pune, India. Our expertise is to build highly scalable applications and infrastructure solutions for our partners and budding startups.

We provide end-to-end solutions ranging from cloud architecture to backend services and modern frontend development. We leverage agile methodologies, software life cycle best practices and cutting edge technology to deliver perfect solutions reflecting our passion for software development.

We care about our company culture and invest in people to create the best teams of highly skilled developers. 

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.

• 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
• Design mobile-based features
• Collaborate with other team members and stakeholders
• Stay up-to-date on emerging technologies
  
  

• Proficient understanding of web markup, including HTML5, CSS3
• Basic understanding of server-side CSS pre-processing platforms, such as LESS and SASS
• Proficient understanding of client-side scripting and JavaScript. Familiarity with ES6 or Typescript would be a plus.

• Good understanding of Angular or React.
• Good understanding of asynchronous request handling, partial page updates, AJAX and Rest APIs.
• Basic knowledge of image authoring tools, to be able to crop, resize, or perform small adjustments on an image. Familiarity with tools such as Gimp or 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.
• Working knowledge of server side technologies is a plus

• At least 2+ years of product development experience with expertise in designing and implementing high-performance web applications
• You must be proficient in Problem Solving and Data structures since you got to find the best way of handling a huge set of data.
• Strong hands-on experience in developing web applications using JavaScript
• Strong experience and knowledge in single-page frameworks like ReactJS/Angular/VueJs/other frameworks and ability to design the architecture of single-page applications.
• Strong hands-on experience with JAVASCRIPT, OOPS Concepts, Single page applications, REACTJS, D3, NodeJS, etc
• Build tools such as grunt, gulp, web pack.
• Exceptional debugging skills and knowledge on browser developer tools
• Familiar with RESTful APIs to connect applications to back-end services
• Familiar with optimization techniques (both in file weight and perceived/actual processing speed), debugging techniques, dynamic content retrieval, state management e.g: (Redux), cross-browser support.
• Experience in optimizing the application for performance and scalability using CDN, caching, etc
• Deep experience developing modular, object-oriented JavaScript Strong command of the HTTP protocol and the latest web standards
• Knowledge on Node server, Socket connections and mechanisms to handle real-time async data would be a plus.
• Very Good understanding of Agile/Scrum methodologies
• Very strong full stack experience with familiarity in serving technologies such as HTTP, CDN, proxies and caching
• Working experience with distributed teams and leading them is a plus
• Strong hands-on on writing test cases and documenting UI component.