Frontend Engineer

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.

• · 3+ years of software engineering experience primarily leveraging ReactJS. · Strong engineering and technical background with demonstrable enterprise development experience using ReactJS and RESTful APIs. · Deep understanding of JavaScript/Typescript, HTML5 and CSS. · Experience using Redux, Web Workers and PWAs. · Experience with continuous integration and build (CI/CD) process & tools. · Proven ability to quickly understand functional requirements and technical concepts. · Experience with TDD and familiarity with testing frameworks, ideally Cypress, Selenium and PACT. · Exposure to mobile development via React Native an advantage. GitHub portfolio an advantage.

COMPANY INTRODUCTION

NEST® [NESTECH]

NEST® works with a range of international clientele in the development of bespoke software solutions. NEST® specialises in data and direct engagement structures, digital marketing, data with blockchain security and much more.

NEST® founders have had decades in the visual arts, architecture, sculpture as well as inking the human canvas. More mundanely, from fifteen countries our formal training is in law, philosophy, international logistics and technology. There are currently NEST® branch offices in England, Singapore, USA and India. What happened yesterday isn’t important. We believe what you privately achieve tomorrow is.

JOB DESCRIPTION:

Job Title: Front End Developer

Location: Pune

You should be able to quickly understand and support initiatives that will contribute to the goals and success of operations. You would also be working with various departments to coordinate and develop digital CRM solutions including bespoke in-house software.

EXPERIENCE

-3+ years of experience in Web Development.

-2+ relevant experience in the development of Angular Enterprise Applications. -Hands-on experience of using Angular Material:

in consuming complex nested API.

on Angular 7/8/9/10/11/12.

of using CSS frameworks like SCSS.

in using state management (e.g. NGRX, RXJS).

in using caching of using component library framework integration (e.g. Angular Material ). in integrating with REST web services from the application. Knowing JSON is a must.

NEST® OFFERS

● Competitive Salary

● Flexible Hours

● Paid Vacations

● Fun & Creative Environment / Projects

● Quarterly Performance Reviews

● Generous Bonus Schemes

● Oversea Working Placements

● Dynamic International Clientele

● Multiple Learning Opportunities

● Control And Work On Full Product Life-Cycle

● Research and Implement Multiple New Technologies

Please find below JD

• 4 -10 years' experience in Frontend technologies
• Strong core JavaScript with ES6, ES5, ES7
• Proficient in React.JS with minimum 2 years of experience
• Proficient in HTML5, CSS3
• Proficient in Grunt, Gulp and Webpack, bower, yarn, module loader
• Hands on experience with multiple library/frameworks - jQuery, Jasmine, Mocha, etc.
• Unit testing / E2E testing is necessary.
• Expert level understanding of HTTP protocols (1.0, 1.1, and 2.0) and WebSockets and JS WebSocket
• Experience with working on SaaS/PaaS based applications.
• Good analytical and problem-solving skills.
• Upbeat, highly motivated, and self-starter & Strong communication skills.

 Company profile: https://apc01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.innominds.com%2F&;data=04%7C01%7C%7Cbfa37f316b0142ee45e008d91a9266fd%7C4643991463b7464e83279b13737ae8cf%7C1%7C0%7C637570038501362488%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=mX05qphV6hkETXRm1DLlYLCNbkGAuwQ37P3%2BsQFwBpE%3D&reserved=0">www.innominds.com    

Do share below details to proceed further:

CTC:    

ECTC:    

NP:    

Work Location: Bangalore / Hyderabad  / Pune

Relevant experience in JavaScript, React / Angular:   

Responsibilities

• Work closely with the design and backend team to build and develop web applications for our forward-thinking products.
• Design large-scale systems with high complexity to support our high throughput applications.
• Understand how to leverage infrastructure for solving such large-scale problems.
• Develop tools and contribute to open source wherever possible.
• Adopt problem-solving as a way of life - always go to the root cause.
• Develop scalable front-end engineering, for the largest FinTech companies in India who use our product.
• Actively think about improving UX and UI.
• Collaborate with the team to discuss and implement ideas.
• Build responsive, robust, and optimized applications.

• Professional development experience with Angular 10
• At least 1-2 years of JavaScript development experience for web applications.
• Strong eye for design, UI, and UX.
• Passion for front-end development.
• Willingness to learn and experiment with new technologies.

• You will be working together with fellow junior and senior Frontend developers, helping to improve the group's skill level and exchanging new ideas.
• On a daily basis, you write JavaScript/Typescript/ES6/Angular/React and HTML5, CSS3 (SASS/LESS/Stylus)
• Closely collaborate with designers and the rest of the technical team (Backend, DevOps, QA) to make sure we’re all aligned.
• You will manage projects with open-source JavaScript and TypeScript libraries and frameworks (we're big on React and Angular), and explore new technologies (GraphQL, AppSync, Apollo).
• Code reviews are, of course, a part of your responsibilities as well as providing high-quality work.
  
  

What it takes to excel in this role

• Strong core JavaScript and TypeScript
• Minimum 4 years experience in front end development
• 5+ years of JavaScript development experience
• Minimum of 2 years of experience with either, Angular 5+ or React
• Experience with Webpack/Grunt/Gulp or other automated build tools
• Experience with Jasmine/Jest or other JavaScript testing frameworks and tools
• Strong Experience with HTML, CSS, SASS/LESS/Stylus
• Experience with JSON, REST, Web Services
• Experience with working in an Agile environment
• Good communication(in English) and consultancy skills
• Affinity for working in a flexible, diverse and fast growing environment
• Proactive mindset focused on teamwork and continuous improvement - we want to grow together with you
  
  

• Experience with AWS
• Experience with React Native
• Experience with GraphQL, PWA, NodeJS

Job Requirements/Responsibilities :

- Participate as a team member in all phases of software development lifecycle.

- Coordinating with the team on individual responsibilities and roadblocks.

- Perform design, development and testing on individual tasks

- Managing initiatives on UI/UX work

- Transparently share the challenges & feedback.

- Participate in integrated testing of product/ package.

- Designing a modern highly responsive web-based enterprise application component 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.

- Providing technical assistance to the other teammates.

- Keep compliance with Quality Systems and Procedure

The Job: ReactJs Developer

The Company: Unify Technologies (http://www.unifytech.com/">www.unifytech.com)

What we are looking for: We are interested to hire “ReactJS” candidates who good at coding/programming.

Experience: 2-9 Years

Domain: It’s a product based project

Work Location: Hyderabad

Employment Mode: Permanent

Notice Period: 0-30 Days (Mandatory), Strictly we are looking who can join us as soon as possible who can make it within 30 days atleast.

Interview Available Date and Mode: 20^th July 2019, F2F

Headquartered in Silicon Valley, Gupshup is a global leader in cloud messaging, enabling businesses to build engaging conversational experiences, seamlessly across 30+ messaging channels, using a globally available cloud API.

Gupshup handles over 4.5 billion messages per month and has processed over 225 billion messages, enabling over 36,000 businesses to engage nearly a billion users across channels including SMS, WhatsApp, Facebook Messenger, Twitter, WeChat, Viber, Slack, Android RCS, Mobile App and Mobile Web.

Gupshup offers a comprehensive product portfolio that includes an easy to use omni-channel messaging API, advanced bot building platform and mobile marketing tools. Gupshup has also forged strategic partnerships with Facebook, WhatsApp, Google and Cisco to offer innovative mobile messaging solutions with broad reach.

We have an opportunity for Software Engineer-UI

Job Responsibilities: