Senior Frontend Engineer

What You’ll Do:

• Build and ship responsive, high-performance web applications using React.
• Translate UI/UX designs into clean, maintainable code.
• Integrate frontend with backend services via REST/GraphQL APIs.
• Optimize applications for speed, scalability, and cross-browser compatibility.
• Write reusable, modular components and maintain design consistency.
• Collaborate with product managers, designers, and engineers to deliver features end-to-end.
• Identify performance bottlenecks and improve frontend architecture.
• Participate in code reviews and contribute to best practices.

What We’re Looking For:

• 4–6 years of experience in frontend development.
• Strong hands-on experience with React.js.
• Solid understanding of JavaScript (ES6+), HTML5, and CSS3.
• Familiarity with state management (Redux / Zustand / Context API).
• Experience working with REST APIs and asynchronous programming.
• Understanding of responsive design and cross-browser compatibility.
• Experience with build tools (Webpack, Vite, etc.).
• Familiarity with Git-based workflows.
• Good problem-solving and communication skills.

Good to Have:

• Experience with testing frameworks (Jest, React Testing Library).
• Exposure to performance optimization techniques.
• Basic understanding of backend technologies (Node.js / Python).

What You’ll Work On:

• Building intuitive and scalable user interfaces for our core product.
• Improving performance and user experience across the platform.
• Contributing to frontend architecture and design systems.
• Solving real-world problems at scale.

Why Join Us

• Work on impactful products used by real customers.
• Opportunity to own features end-to-end.
• Collaborative and fast-paced environment.

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 Summary:

We are looking for a talented and passionate Front-End Developer with 2–3 years of experience to join our growing team. You’ll be responsible for translating UI/UX design wireframes into responsive, high-quality code and delivering seamless user experiences across web platforms.

Key Responsibilities:

• Develop and maintain responsive web applications using HTML, CSS, and JavaScript (ES6+)
• Work with modern frameworks/libraries like React.js, Vue.js, or Angular
• Collaborate with designers and backend developers to integrate APIs and improve UX
• Optimize applications for speed and scalability
• Ensure cross-browser compatibility and mobile responsiveness
• Participate in code reviews, testing, and documentation

Requirements:

• 2–3 years of proven front-end development experience
• Strong proficiency in JavaScript, HTML5, and CSS3
• Experience with TypeScript, Tailwind CSS, or Next.js
• Experience with at least one modern JavaScript framework (React preferred)
• Familiarity with version control systems like Git
• Good understanding of RESTful APIs and asynchronous programming
• Strong problem-solving skills and attention to detail

Nice to Have:

• Familiarity with CI/CD pipelines and testing frameworks
• Basic knowledge of design tools like Figma or Adobe XD

Why Join Us?

• Dynamic and collaborative team culture
• Opportunity to work on impactful, real-world projects
• Flexible work environment and continuous learning support

Job Type: Full-time

Work Location: In person

• 3+ Years of total experience in JavaScript related technologies including ReactJS, JQuery, front end integration with CSS3 and HTML5 .
• experience in HTML5 , CSS3 , & Web application development
• Strong understanding of modern development methodologies and best industry standards
• Experience writing/completing Unit Testing
• Experience working with APIs & RESTful APIs
• Experience working in Agile3

Job Description

About Jodo:- 

A mission-oriented early-stage fin-tech startup which is building a suite of carefully tailored financial products and delivery mechanisms to fulfill the aspirations and needs of middle-income households in urban India. Jodo is started by three co-founders, who have a pedigreed education background (IIT/IIM) and relevant professional experience in financial services. More importantly, they come from a similar background as the customer segment they are serving, and have done extensive customer research to understands the needs of the customer. It is backed by high-quality investors.

Responsibilities:-

-UI developer should be highly skilled in Web Design and implementation with a passion for building great web-based user interfaces.
-Elegantly implement page designs in standards-compliant dynamic XHTML and CSS.
-Strong knowledge of internet/web technologies and languages such as javascript, jQuery, DHTML,   CSS/XHTML, XML, JSON API.
-Advocating Web interaction design best practices with a focus on consistency and usability.
-Create rapid prototypes of interfaces to be used as a blueprint for content and technical development.
-Work closely with back-end developers to find ways to push the limits of existing Web technology in service of creating the best possible user experience.
-Ensuring pages are programmed error-free, cross-browser, cross-platform, and optimized for download performance.

• 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
• Assure that all user input is validated before submitting to back-end
• Collaborate with other team members and stakeholders.
•  

Strong on HTML,CSS & JAVASCRIPT

Requirements:

• Previous experience working as a React.js Developer.
• In-depth knowledge of JavaScript, CSS, HTML and front-end languages.
• Knowledge of REACT tools including React.js, Webpack and Redux is a must.
• Experience with REST APIs
• Proficient understanding of code versioning tools
• Ability to translate designs into code
• Experience with browser-based debugging and performance testing software.
• Excellent troubleshooting skills.