React.js 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.

• 2-8 years of experience in frontend development
• Hands-on experience of Minimum 2 years into ReactJS with 6 months in Redux
• Hands on with Core web fundamentals: HTML, JavaScript, and CSS.
• Good exp in JavaScript Libraries like jQuery.
• Have delivered project on ReactJS and played key role

Hi,

Requirements:

>5+ years of IT experience in the development of scalable consumer-facing digital solutions (consumer websites, web applications, mobile sites etc) in HTML, CSS3 and JavaScript framework is required

>Strong understanding of semantic HTML/HTML5, CSS/CSS3.
>Experience in frameworks like Bootstrap, Foundation and CSS preprocessors like SASS and LESS.
>Strong knowledge of JS-based build tools like Grunt, Gulp, and Webpack
>Experience in javaScript with a good grasp of advanced JavaScript-based Vue JS, React JS and Angular JS
>Experience with implementing SVG animations and expertise in GreenSock(GSAP) will be an add on qualification.
>Proficient understanding of code versioning tools, such as Git
>Knowledge of HTML5 responsive email development is desirable.

>A Bachelors of Computer Science or a related field is required

 Soft Skills:

> Quality driven and extremely detail-oriented
> Strong work ethic
> Communicates clearly, effectively, and quickly - both verbally and written
>Ability and willingness to continuously learn, explore and master emerging technologies.

Job Description:

We are looking for an experienced JavaScript developer who is proficient with React.js. The primary focus of the selected candidate would be on developing user interface components implementing and executing them following well-known React.js workflows (such as Flux or Redux). Also ensuring that these components and the overall application are robust and easy to manage. A commitment to collaborative problem solving, sophisticated design, and quality products are important.

Responsibilities:

• Developing the latest user-facing features using React.js
• Designing a modern highly responsive web-based user interface
• Building reusable components and front-end libraries for future use
• Translating designs and wireframes into high-quality code
• Learn and understand user interactions
• Optimizing components for maximum performance across a vast array of web-capable devices and browsers
• Coordinating with various teams working on distinct layers
• As a React.js Developer, you will be involved from conception to completion with projects that are technologically sound and aesthetically impressive. 

Technical skills:

• Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model
• Thorough understanding of React.js and its core principles
• Prior experience with popular React.js workflows (such as Flux or Redux)
• Familiarity with more current specifications of ECMAScript
• Prior experience with data structure libraries (e.g., Immutable.js)
• Knowledge of isomorphic React is a plus
• Familiarity with RESTful APIs
• Familiarity with HTML / CSS
• GIT experience is a plus
• 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.
• Ability to understand business requirements and translate them into technical requirements
• A knack for benchmarking and optimization

We are looking to hire an experienced developer to join our dynamic team. As a developer, you will be responsible for creating a top-level coding-base using Angular best practices. Your role will require you to implement an exciting and streamlined user experience in the form of a Java-based desktop and mobile web-app.

To ensure success as a developer, you should have extensive knowledge of theoretical software engineering, be proficient in JavaScript, HTML, and CSS, and have excellent project management skills. Ultimately, a top-class Angular developer can design and build a streamlined application to company specifications that perfectly meet the needs of the user.

Experience: 3 years and more

Skills set: Angular, Reactjs, Javascript, HTML/CSS

Responsibilities:

• Designing and developing user interfaces using angular/react 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 Angular projects.
• Developing application codes and unit tests in Angular, Java Technologies, and Rest Web Services.
• Conducting performance tests.
• Consulting with the design team.
• Ensuring high performance of applications and providing support.

Requirements:

• Bachelor’s degree in computer science, computer engineering or similar.
• Previous work experience as an angular/ reactjs / frontend developer.
• Proficient in CSS, HTML, and writing cross-browser compatible code.
• Experience using JavaScript building tools like Gulp or Grunt.
• Excellent project management skills.
• Proven experience implementing front-end and back-end JavaScript applications.
• Excellent communication skills.
• Critical thinker and good problem-solver.

SaveIN is a fintech platform that aims to offer unique financial products and services to its members in a never seen before, fully digital avatar through its mobile app on Google and Apple play store. You can also call us a neo-banking platform!

Founded by a group of experienced CXOs from Banking, Fintech, Consulting and Media, SaveIN is working towards disrupting the way Indians transact, bank and save money.

At present, SaveIN is offering a revolutionary, new to market, product called Social Finance (SoFin™) allowing users to lend and borrow money, within their trusted contacts like family, friends and acquaintance. In due course, SaveIN aims to launch several other financial products and services in the personal finance and banking domain.

Our promise to you:

• We aim to hire the best of talent, passionate about the vision of SaveIN
• We aim to create an equal opportunity, open, challenging as well as rewarding environment to bring the best out of our people
• We are here to be a large, prosperous, profitable, and resilient organization so that we may serve our customers sustainably across economic cycles, we aim to achieve this in the most ethical and transparent manner possible
• Being compliant is not only an obligation, but a chosen way of life
• We would love to see you grow and are committed to do our best in contributing towards your success

About the role:

SaveIN is looking for a Software Engineer | React JS

You will be responsible for building visually engaging user experiences as well as using out of the box thinking to devise new techniques for presenting content and data. You will work with developers, designers, product and also the founding team.

Location: Gurgaon/ Work from home

Key responsibilities:

• Develop class leading and highly responsive front-end interfaces using React.js
• Translating designs and wireframes into high quality code and output
• Communicate effectively with UI/UX team and technical development team
• Create unit tests to ensure visual consistency and adequate functionality across releases
• Ensure cross-browser, cross-platform and multiple device compatibility and resolve issues.
• Document technical design as per internal compliance standards
• Work with senior management and external stakeholders to ensure that deliverables are met

Skills and competencies:

• Education: BE/BTech/ME/MTech/MCA
• Minimum 3-year industry experience and proficiency in developing front-end components using React JS, Angular.io, Vue.js, HTML 5, Web markup and CSS 3
• Experience in Typescript
• Hands on experience with state management tools like Redux/Mobx
• Fine understanding of Node.js based tooling like Webpack, Grunt/Gulp, NPM, Express JS, Babel, Create React App etc.
• Good knowledge of working with dynamic data (e.g., JSON, XML) through various interface types (e.g., REST, SOAP)
• Experience of working with responsive web designs across multiple platforms
• Experience with integrating Analytics Tool like Google Analytics, Mix Panel etc
• Experience in creating mock-ups/ proof-of-concepts based on wireframes
• Ability to learn new UI technologies quickly
• Understanding of SEO and accessibility issues
• Experience of full software development life cycle, standard and secure coding practices and pro
• Experience with content delivery networks and an understanding of web caching
• Experience with unit testing using frameworks such as Mocha, Chai, Enzyme, Cypress, or Jest
• Experience with Jenkins and Docker a plus
• Experience on any backend technologies Node.JS, Python, Java, PHP will be a good add on
• Experience in Scrum/Agile is desirable

We are building a global content marketplace that brings companies and content

creators together to scale up content creation processes across 50+ content verticals and 150+ industries. Over the past 2.5 years, we’ve worked with companies like India Today, Amazon India, Adobe, Swiggy, Dunzo, Businessworld, Paisabazaar, IndiGo Airlines, Apollo Hospitals, Infoedge, Times Group, Digit, BookMyShow, UpGrad, Yulu, YourStory, and 350+ other brands.
Our mission is to become the world’s largest content creation and distribution platform for all kinds of content creators and brands.

Our Team

We are a 25+ member company and is scaling up rapidly in both team size and our ambition.

If we were to define the kind of people and the culture we have, it would be -

a) Individuals with an Extreme Sense of Passion About Work

b) Individuals with Strong Customer and Creator Obsession

c) Individuals with Extraordinary Hustle, Perseverance & Ambition

We are on the lookout for individuals who are always open to going the extra mile and thrive in a fast-paced environment. We are strong believers in building a great, enduring

a company that can outlast its builders and create a massive impact on the lives of our

employees, creators, and customers alike.

Our Investors

We are fortunate to be backed by some of the industry’s most prolific angel investors - Kunal Bahl and Rohit Bansal (Snapdeal founders), YourStory Media. (Shradha Sharma); Dr. Saurabh Srivastava, Co-founder of IAN and NASSCOM; Slideshare co-founder Amit Ranjan; Indifi's Co-founder and CEO Alok Mittal; Sidharth Rao, Chairman of Dentsu Webchutney; Ritesh Malik, Co-founder and CEO of Innov8; Sanjay Tripathy, former CMO, HDFC Life, and CEO of Agilio Labs; Manan Maheshwari, Co-founder of WYSH; and Hemanshu Jain, Co-founder of Diabeto.
Backed by Lightspeed Venture Partners

Key Qualifications:

5 + years of experience in Software development in multithreaded Java/Python applications

3+ years of UI/UX stack experience (Angular JS/PHP/Javascript)

Extensive experience in coding and debugging Java applications and deployment

Should have experience/exposure to Apache Tomcat, JBOSS, SOAP, REST, Maven, Spring framework, hibernate, Kafka, Zookeeper, DHCP, DNS, SNMP

Extensive experience with MySQL and various NoSQL Databases like MongoDB, Elasticsearch

Modelling languages like Netconf, Restconf, Yang,Tosca, Yaml, XML

Skilled in data center, networking, Linux and cloud technologies especially IaaS

Understanding of the ETSI NFV architecture stack

2+ experience with SDN technologies

2+ experience with OpenStack, Kubernetes or other container orchestration platform

Agile programming methodologies

DevOps - CI/ CD experience with Git, Gerritt, Jenkins

Experience contributing to and working with open source communities like ONAP, ONF