Sr. 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.

• 1 - 5 years of experience as React JS developer
• Strong proficiency in JavaScript, Typescript React, Redux, HTML5 and CSS.
• Familiarity with RESTful APIs and WebSocket communication
• Experience with responsive design and development.
• Strong hold of front-end functionalities including browser testing and debugging.
• Experience working in Agile development methodology is a plus
• Excellent communication skills and an ability to work effectively in cross-functional and collaborative teams

Work Location : Bangalore

Work mode : Work from office

About ITLH:

ITLH is an Ed-Tech organization backed by an IT company- Centillion based in India and Singapore.  ITLH aims at bridging the gap between knowledge and opportunities by helping students build their skill sets via practical learning on live projects and classroom training. For the last 5 years we have enrolled 4000 students for the programme and have been successfully placed in several MNC's.

How will we help you grow?

By joining ITLH, you will be part of an ever-growing organization that is redefining learning and helping young students to be industry ready. 

We believe in a healthy and growing working culture that you would love to be a part of. 

Join us if you feel you have the required skills and desire to be a part of our team and create an impact and reach new heights globally.

Responsibilities : 

• Create data visualization tools, libraries, and reusable code for prospects
• Integrate designs and wireframes within the application code
• Leverage the inbuilt React toolkit for creating frontend features
• Monitor interaction of users and convert them into insightful information
• Write application interface code with JavaScript
• Enhance application performance with constant monitoring
• Good understanding of CSS libraries, GIT, Sigma, Adobe XD etc.
• Constant interaction with other developer teams and design teams to discuss UI ideas.

Requirements :

• Strong proficiency in JavaScript, object model, DOM manipulation and event handlers, data structures, algorithms and JSX.
• Complete understanding of ReactJS and its main fundamentals like JSX, Virtual DOM, component lifecycle, etc.
• Understanding of RESTful APIs/GraphQL, HTML/CSS, ES6 (variables and scoping, array methods), code versioning tools like GIT, SVN, etc.
• Preceding experience with ReactJS workflows like Flux, Redux, Create React App, data structure libraries.
• Willingness to learn modern-day tools and processes.
• Good problem-solving, troubleshooting skills.
• Creativity and accountability.

Aerchain is an AI-powered Procurement platform transforming the way purchase is done in enterprises. We are a 2-year-old funded startup with some of the largest global companies as clients and are part of 3 top accelerator programs backed by Reliance Group, top VCs & Supply Chain experts. We are on the lookout for technology enthusiasts who would love to contribute to revolutionising the world's procurement industry with Artificial Intelligence!

Responsibilities

1. Define technical blueprints and take complete technical ownership of high-level design, tech stack of the product.

2. Design, build, test and deploy product features that are reliable, secure and optimised for performance across all environments.

3. Work closely with product management team to define and refine feature specifications.

4. Work with cross-functional teams to address technical dependencies.

5. Drive some of the company-wide tech initiatives striving towards continuous technical excellence of our platforms.

6. Mentor upcoming engineers in the organisation / team.

Qualifications

1. 4+ years of experience in developing dynamic, scalable web applications.

2. Demonstrated ability in building / architecting large scale products in the React ecosystem.

3. Ability to work with teams in a collaborative and productive manner.

4. Strong computer science fundamentals in data structures and algorithms.

5. Familiarity with cross-browser compatibility issues and demonstrates good design and UI / UX sensibilities.

6. Excellent technical leadership and mentoring skills.

Our Ideal Candidate

1. Loves writing and owning code and enjoys challenges and problem solving.

2. Self driven and motivated with the desire to work in a fast-paced, results-driven agile environment with varied responsibilities.

3. Takes end-to-end ownership of the product, ideates on product requirements with the team and drives it from design to implementation.

4. Action-oriented and dreams big. More importantly believes and has the ability of “Making it Happen !”

Why Aerchain

1. Be part of the engineering leadership team - You’ll have the opportunity to work with cross-functional teams and take key technology decisions to build future-forward products.

2. Build a truly disruptive product - We are building a platform that transforms the way S2P cycles happen in enterprises. Using data at every step, we plan on automating processes starting with requirement gathering to payments and customers love us!

3. Be part of the high-growth challenge - In the process of scaling from 1-10, we are sure that there are very exciting and challenging times ahead. The experience of being a part of this growth phase is unique and will fast track your career. You’ll obviously learn a lot!

1. Have worked on Vue/React.JS/AngularJs
2. Have a minimum of 2 years of strong domain experience in frontend.
3. Understand how Single page apps work, Routing and Store work.
4. Familiar with Web pack build and commonly used plugins.
5. Understand how CI/CD works and how to set it up.
6. Rest API, Ability to create a robust and resilient connection to the backend.
7. Experience in debugging JavaScript applications using developer tools.
8. Learnability and a good team player.

What you can expect from Kuvera 

1. Opportunity to learn and gain experience in the Fintech domain.
2. Autonomy within a fast-moving early-stage startup.
3. A flat structure and no hierarchy. No politics.
4. Mentorship from an experienced all-star founding team.
5. Market competitive remuneration and ESOP.

In this role you will

• Be a part of a small UI team and will work closely with the UXdesigner and product manager to shape the product design.
• Build web UI components for a cloud-native SaaS product.
• Drive clear requirements for the backend APIs working closely withthe backend engineers.
• Focus on quality and velocity by developing appropriate tests.

Requirements

• Highly motivated self-starter with a builder’s mindset.
• 5+ years of web UI development experience.
• Highly skilled in JavaScript, HTML and CSS.
• Deep knowledge and experience of REST APIs.

Preferred: experience with frameworks such as React

Preferred: full stack development experience