Frontend 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.

Job Description:

We are seeking a skilled Software Developer to join our growing team in Cybercity. The primary responsibility of this role is to deliver a fully functional application based on Figma designs. While API integration is not an immediate requirement, it will follow later in the development process. The chosen candidate will work with React and Redux for the frontend development and utilize dotnet 8 API backend. 

Key Responsibilities:

1. Translate Figma designs into a fully functional and responsive web application.
2. Develop the frontend using React and implement state management with Redux.
3. Ensure the application meets design specifications, including UI/UX requirements.
4. Collaborate with the team to plan and execute the development process effectively.
5. Write clean, maintainable, and efficient code.
6. Perform thorough testing and debugging to identify and resolve issues.
7. Document the codebase and provide clear code comments for future reference.
8. Work closely with the team to coordinate API integration when it becomes necessary.
9. Work closely with the DevOps and QA team to ensure the application deploys and runs as expected.
10. Stay updated with industry best practices and technologies in software development.

Qualifications:

• Proven experience in developing web applications using React and Redux.
• Strong proficiency in JavaScript and ES6+.
• Experience with version control systems (e.g., Git).
• Ability to work independently and as part of a collaborative team.
• Attention to detail and a commitment to delivering high-quality code.
• Excellent problem-solving skills and a proactive attitude.
• Effective communication skills.
• Familiarity with Figma or other design tools is a plus but not mandatory.
• Familiarity with Dotnet for API development is a plus but not mandatory.

We are looking for a React JS Developer responsible for developing and maintaining rich user interfaces for modern internet-based web applications. Your primary focus will be to implement a complete user interface for a web application, with a focus on performance. Your main duties will include creating modules and components and coupling them together into a functional application following the design patterns and best practices. You will work in a team with the back-end developers and communicate with the API using standard methods. A thorough understanding of all of the components of the platform and infrastructure is required.

Experience Required : 3 + Years

• Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model

• Experience with popular React.js workflows (such as Flux or Redux)

• Experience with data structure libraries (e.g., Immutable.js)

• 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.

• A knack for benchmarking and optimization

• Familiarity with code versioning tools (such as Git )

• Solid expertise in using cloud platforms (AWS, Google Cloud, and others)

We are looking for a skilled and experienced front-end developer to join our product team. This role requires you to be a tech-savvy contributor in translating the customer needs and user expectations into interactive web apps. You’ll be an exceptional problem solver and take responsible actions in ensuring the application is optimised both in technology and in delivering the best user experience. If you share our passion to create and define interactive web pages, we are happy to hear from you!

What You'll do-

• Work closely with design, product management, and development teams to create elegant, usable, responsive and interactive interfaces across multiple devices.
• Implement UI development principles to ensure that the product client-side serves at scale.
• Review and optimize usage by monitoring key metrics and rectifying the issues proactively.
• Ensure the technical feasibility of UI/UX designs-Turning UI/UX designs into prototypes, creating awesome interactions from designs, writing reusable content modules, and ensuring the maintainability of the code.
• Build reusable code and libraries for future use
• An ability to perform well in a fast-paced environment and bring in optimal flow for rapidly changing design/ technology.

Technical Requirements-

• At least 1 to 3 years of relevant work experience as a web developer, UI developer, JavaScript expert, or a frontend engineer
• Be familiar with Responsive Web Design, common Web UX patterns and anti-patterns
• Be able to tell good design from bad design
• Be able to write clean, maintainable code which others can work on
• Familiar with UI layouts, SASS, bootstrap, and Material UI
• Experience debugging using popular JavaScript-based tools like Chrome Developer Console
• You have mastery in DOM manipulation (including jQuery) and understand components, CTAs
• Know browser behaviour, performance, compatibility and cross-browser issues
• Proficient understanding of code versioning tools, such as Git,
• You take pride in working on advanced CSS, animations and responsiveness
• You seem to have good architectural & design skills
• Ability to own, end to end responsibility - right from the requirement to release
• Ability to produce bug-free and production-grade code
• Be great at debugging, including identifying page speed and performance bottlenecks, using tools like Chrome Dev Tools, React Dev Tools, etc.
• The skills that we consider - CSS, JavaScript, React, Redux, Node.js

Required Skills

• Javascript, ReactJS, Redux, NodeJS, HTML, CSS

Good to have-

• Knowledge of TDD frameworks mocha, chai, jest etc.
• Understanding of Typescript
• Understanding of ReactJS based frameworks like NextJS, Gatsby, etc.
• Understanding of REST API
• Passionate to create good design and usability

• Meeting with the development team to discuss user interface ideas and applications.
• Reviewing site requirements and interface designs.
• Identifying web-based user interactions.
• Developing and implementing highly responsive user interface components using react concepts.
• Writing user interface codes using JavaScript following react.js/next.js workflows.
• Troubleshooting site interface and debugging developed site codes.
• Developing and implementing front-end architecture to support user interface concepts.
• Monitoring and improving front-end performance.
• Documenting site changes and developing updates.

• Bachelor’s degree in computer science, information technology, or a similar field.
• Strong knowledge in react frameworks such as Next Js etc.,.
• Previous experience working as a react.js developer.
• In-depth knowledge of JavaScript, CSS, HTML, and front-end languages.
• Experience with web/graphic design applications such as Figma,  Adobe XD, Adobe Photoshop,  Adobe Illustrator.
• Experience with user interface design.
• Experience with browser-based debugging and performance testing.
• Excellent troubleshooting skills.
• Good project management skills.
• Developer must have proven work experience on version control and source code management like GIT, Bitbucket.

QUALIFICATIONS: 

• Minimum 3-5 years of Experience in Java Backend development. 
• Degree in Engineering or Computer Science. 
• Good knowledge/experience in Data structure, Algorithms. 
• Proficiency with Programming Language: Java 1.8 and above (1.8 V must), J2EE. 
• Proficiency with Framework: Spring Stack (Security, Web MVC, REST), Hibernate, JMS. 

• Strong knowledge in any one Relational Databases (Mysql / Oracle / SQL Server). 
• Strong experience in Web services (SOAP and RESTFUL). 
• Tools & Utilities: STS / Eclipse / IntelliJ / NetBeans.Web/Application Server: Jboss. 
• Should have expertise in Design Patterns, Transactions, Multithreading concepts 
• Proficiency in Build Cycle management (Maven, Jenkins, Scripting). 

• Familiarity with Deployment technologies like Docker, Rancher and Virtual machines. 
• Familiarity with Agile Development processes. 
• Exposure to Spring Integration batch knowledge, OAuth2 authentication 
• Excellent verbal communication skills. 
• Good problem-solving skills with attention to detail. 

• Able to create functional, attractive applications that perfectly meet the needs of the user. 

• Responsible for development of new highly responsive, web-based user interface
• Construct visualizations that can depict vast amounts of data
• Work and collaborate with the rest of the engineering team
• Work with product team and graphic designers
• Learn and understand user interactions
• Develop a flexible and well-structured front-end architecture, along with the APIs to support it

Requirements and qualifications

• B.S Degree in Computer Science
• Experience with JavaScript
• Experience with REACT
• Experience with HTML / CSS
• Experience with REST API's
• Git knowledge is a plus
• Team player
• Good time-management skills
• Great interpersonal and communication skills

• Experience JavaScript, Typescript, ReactJS, StencilJS, CSS, Bootstrap, CSS, Nginx, Node.JS. Hands on in ReactJS is a must.
• Good to have Gradle/Maven, Git, Log4J, Mockito
• Knowledge of Spring and Java
• Knowledge of AWS platform is a plus