UI Developer

We are seeking a highly skilled React JS Developer with exceptional DOM manipulation expertise and real-time data handling experience to join our team. You'll be building and optimizing high-performance user interfaces for stock market trading applications where milliseconds matter and data flows continuously.

The ideal candidate thrives in fast-paced environments, understands the intricacies of browser performance, and has hands-on experience with WebSockets and real-time data streaming architectures.

Key Responsibilities

Core Development

• Advanced DOM Operations: Implement complex, performance-optimized DOM manipulations for real-time trading interfaces
• Real-time Data Management: Build robust WebSocket connections and handle high-frequency data streams with minimal latency
• Performance Engineering: Create lightning-fast, scalable front-end applications that process thousands of market updates per second
• Custom Component Architecture: Design and build reusable, high-performance React components optimized for trading workflows

Collaboration & Integration

• Work closely with traders, quants, and backend developers to translate complex trading requirements into intuitive interfaces
• Collaborate with UX/UI designers and product managers to create responsive, trader-focused experiences
• Integrate with real-time market data APIs and trading execution systems

Technical Excellence

• Implement sophisticated data visualizations and interactive charts using libraries like Chartjs, TradingView, or custom D3.js solutions
• Ensure cross-browser compatibility and responsiveness across multiple devices and screen sizes
• Debug and resolve complex performance issues, particularly in real-time data processing and rendering
• Maintain high-quality code through reviews, testing, and comprehensive documentation

Required Skills & Experience

React & JavaScript Mastery

• 5+ years of professional React.js development with deep understanding of React internals, hooks, and advanced patterns
• Expert-level JavaScript (ES6+) with strong proficiency in asynchronous programming, closures, and memory management
• Advanced HTML5 & CSS3 skills with focus on performance and cross-browser compatibility

Real-time & Performance Expertise

• Proven experience with WebSockets and real-time data streaming protocols
• Strong DOM manipulation skills - direct DOM access, virtual scrolling, efficient updates, and performance optimization
• RESTful API integration with experience in handling high-frequency data feeds
• Browser performance optimization - understanding of rendering pipeline, memory management, and profiling tools

Development Tools & Practices

• Proficiency with modern build tools: Webpack, Babel, Vite, or similar
• Experience with Git version control and collaborative development workflows
• Agile/Scrum development environment experience
• Understanding of testing frameworks (Jest, React Testing Library)

Financial Data Visualization

• Experience with financial charting libraries: Chartjs, TradingView, D3.js, or custom visualization solutions
• Understanding of market data structures, order books, and trading terminology
• Knowledge of data streaming optimization techniques for financial applications

Nice-to-Have Skills

Domain Expertise

• Prior experience in stock market, trading, or financial services - understanding of trading workflows, order management, risk systems
• Algorithmic trading knowledge or exposure to quantitative trading systems
• Financial market understanding - equities, derivatives, commodities

Technical Plus Points

• Backend development experience with GoLang, Python, or Node.js
• Database knowledge: SQL, NoSQL, time-series databases (InfluxDB, TimescaleDB)
• Cloud platform experience: AWS, Azure, GCP for deploying scalable applications
• Message queue systems: Redis, RabbitMQ, Kafka, NATS for real-time data processing
• Microservices architecture understanding and API design principles

Advanced Skills

• Service Worker implementation for offline-first applications
• Progressive Web App (PWA) development
• Mobile-first responsive design expertise

Qualifications

• Bachelor's degree in Computer Science, Engineering, or related field (or equivalent professional experience)
• 5+ years of professional React.js development with demonstrable experience in performance-critical applications
• Portfolio or examples of complex real-time applications you've built
• Financial services experience strongly preferred

Why You'll Love Working Here

We're a team that hustles—plain and simple. But we also believe life outside work matters. No cubicles, no suits—just great people doing great work in a space built for comfort and creativity.

What We Offer

💰 Competitive salary – Get paid what you're worth

🌴 Generous paid time off – Recharge and come back sharper

🌍 Work with the best – Collaborate with top-tier global talent

✈️ Adventure together – Annual offsites (mostly outside India) and regular team outings

🎯 Performance rewards – Multiple bonuses for those who go above and beyond

🏥 Health covered – Comprehensive insurance so you're always protected

⚡ Fun, not just work – On-site sports, games, and a lively workspace

🧠 Learn and lead – Regular knowledge-sharing sessions led by your peers

📚 Annual Education Stipend – Take any external course, bootcamp, or certification that makes you better at your craft

🏋️ Stay fit – Gym memberships with equal employer contribution to keep you at your best

🚚 Relocation support – Smooth move? We've got your back

🏆 Friendly competition – Work challenges and extracurricular contests to keep things exciting

We work hard, play hard, and grow together. Join us.

1. Lead the development of frontend architecture and implement scalable, maintainable, and

high-performance web applications.

2. Conduct code reviews and provide constructive feedback to team members to ensure adherence to best

practices and coding standards.

3. Mentor and guide junior frontend developers, fostering a culture of continuous learning and

improvement.

4. Stay up-to-date with the latest frontend technologies, frameworks, and industry trends, and integrate new

solutions as appropriate.

5. Coordinate with the project management team to ensure the timely delivery of high-quality frontend

components and features.

6. Contribute to the development of reusable components, tools, and libraries to improve team productivity

and code maintainability.

TAPPP is building the next-generation digital platform by leveraging cell-based architecture to integrate technologies like Artificial Intelligence, Rules, Workflows, Microservices, FaaS (Function as a Service), Micro-frontends, and Micro apps to create a highly extensible and cutting-edge technology platform that brings together sports fans with broadcasters, sports teams, and sportsbooks to create a marketplace for all aspects of sports and we are available across platforms via the Web, Mobile, Roku, and Tablets.

Building out this brand presents significant product and engineering challenges. At the center of solving those challenges is the TAPPP Product Engineering team which is responsible for the TAPPP product end to end.

TAPPP is led by a very able leadership team drawn from Industry leaders from companies like ESPN, Amazon, Blackhawk, Kargocard, Visa, and many others.

Who are we looking for:

A coding enthusiast who loves writing elegant code and developing software systems.

As a Roku developer, you will be a part of the core product development team that is responsible for building high-performant components of the TAPPP platform.

Your responsibility:

• You will be responsible for designing, coding, reviewing, testing, and bug-fixing different modules of the software product that needs to work seamlessly across different environments.
• Write production-quality code in Brightscript / Scenegraph.
• Write unit-test code for robustness, including edge cases, usability and general reliability.
• You will work in an Agile team, working on the TAPPP revolutionary platform. 
• Interface with other teams and/or third-party vendors to assist in the deployment of applications on Roku platforms.

Mandatory technical skills:

• At least 3 years of experience in developing apps for Roku devices.
• Strong knowledge of BrightScript, SceneGraph, and core scripting languages like JS.
• Experience with REST APIs interaction and a strong understanding of client-server architectures.
• Experience with Media Playback, streaming concepts, HLS, and manifests.

Other

Strong independent contributor.

Comfortable working in a start-up environment.

The position is based in Pune(India).

We are looking to hire an experienced AngularJS Developer to join our dynamic team. 

To ensure success as an AngularJS Developer, you should have extensive knowledge of theoretical software engineering, be proficient in JavaScript, HTML, and CSS, and have excellent project management skills. 

• Proficient understanding of Angular
• Experience of working on DOM based JavaScript frameworks.
• Experience with JavaScript, HTML, CSS and jQuery.
• Familiarity with ticketing tools JIRA & Trello.
  Excellent in analytical and multitasking skills.
• UX (Front-End) development.
• Ability to work with a team of developers, communicating professionally and effectively.

Responsibilities:          

• Designing and developing user interfaces using AngularJS/Angular best practices.
• Adapting interface for modern internet applications using the latest front-end technologies.
• Writing JavaScript, CSS, and HTML.
• Developing product analysis tasks.
• Making complex technical and design decisions for AngularJS/Angular projects.
• Developing application codes and unit tests in AngularJS, Angular, Micro-frontend architecture, and Rest Web Services.
• Conducting performance tests.
• Consulting with the design team.
• Ensuring high performance of applications and providing support.

Qualifications   

• Bachelor’s degree in Computer Science or related background
• Minimum of 3 years of relevant experience

Required Skills and Experience:

• 3+ years’ experience with JavaScript (Particularly ES6), Typescript, CSS, HTML.
• 2+ years’ experience with Angular v9 or greater.
• Experience using JavaScript building tools like Grunt and Webpack.
• Client-side unit testing via Jest or similar testing library a plus
• Experience consuming RESTful APIs is strongly desired
• Experience working in agile project management methodologies (Scrum, Kanban, FDD)
• Excellent communication skills.
• Critical thinker and good problem-solver.

 Job Title: Urgent opening - Web/front-end React.JS/Vue.JS  Developer 

Job Location: Baner, Pune 

Experience: 2 to 6 years 

Notice Period: 1 Month or Less  

Annual CTC: 400000 - 1500000 INR 

Skills: HTML5, CSS3, AJAX/JavaScript/JQuery, Bootstrap, Angular JS/ Rect.JS/ Vue.js, Bit-bucket, Git /GitHub 

Technical Requirements: 

• Technical know-how from both coding & design perspective - Bootstrap grid, Material design guidelines, HTML5, CSS3, JS, etc 
    
• In depth expertise and hands on experience with Front End Development technologies like Angular, Bootstrap and React.Js / Vue.Js etc. 
    
• In depth expertise and hands on experience with Designing Web Applications using programming languages such as HTML5, CSS3, JS, JQuery and API’s.  
    
• Strong understanding of UI requirements, cross-browser compatibility requirements, general web functions and other standards. 
    
• Experience with basic Architectures like MVC and MVVM 

• Comfort in working in short, agile, iterative development cycles 
   

Roles and Responsibilities: 

•  The candidate should take ownership of the assigned work from both UI and backend development standpoint. 
    
• The candidate should be able to understand client requirements and come back with Design as well as Technical specs and should be able to estimate requirements at lower level. 
    

• Should be able to visualize and create wireframes, storyboards, user flows, process flows and logic diagrams to communicate interaction and design ideas. 
    
• Should experiment on upcoming trends on coding, designing and implementing it during development. 
    
• Should have seamless and fluent communication, learning attitude and analytical nature. 
    
• Should be a problem solver with an attitude to contribute towards the success of Team/Project as well as organisation. 
    
• Should be able to guide other members in the team 
    
• Should take initiatives to improve code quality standards and team efficiency. 
    
• Should be able to Participate in the requirements gathering and come up with efficient solutions 
    
• Should be able to Efficiently estimate on high and low level along with assessing risk items