ReactJS Developer

Job Title : React.js Developer with PWA Studio

Location : Remote

Experience : 10+ Years

Job Description :

We are looking for a highly experienced Frontend Developer with a strong background in React.js and PWA Studio to work on cutting-edge eCommerce solutions built on the Magento platform.

This role requires deep expertise in Progressive Web App development (PWA), frontend architecture, and performance optimization.

Mandatory Skills :

React.js, Next.js, PWA Studio, Magento 2.x integration, JavaScript (ES6+), HTML5, CSS3, Redux, RESTful APIs, GraphQL, Git, performance optimization, responsive design.

Key Responsibilities :

• Design and develop high-performance, scalable front-end solutions using React.js and Next.js.
• Build and optimize Progressive Web Apps (PWAs) using Magento PWA Studio.
• Collaborate with backend developers to integrate with Magento 2.x APIs and ensure seamless user experiences.
• Implement and maintain responsive UI components using HTML5, CSS3, JavaScript (ES6+), React, and Redux.
• Optimize application performance using tools like Lighthouse, Webpack, and advanced code-splitting techniques.
• Develop and maintain robust CI/CD pipelines and manage deployments via Vercel.
• Ensure high code quality by writing unit and integration tests using frameworks such as Jest, Mocha, or Cypress.
• Work closely with product and design teams in an Agile environment to deliver user-centric solutions.

Mandatory Skills :

• 10+ years of frontend development experience.
• Expert in React.js, Next.js, and JavaScript (ES6+).
• Hands-on experience with Magento PWA Studio.
• Proficient in HTML5, CSS3, Redux, and responsive design.
• Deep understanding of RESTful APIs and GraphQL.
• Strong knowledge of Git and version control best practices.
• Solid experience in performance optimization for web applications.

Good to Have :

• Experience with Magento 2.x backend.
• Prior experience deploying frontend apps with Vercel.
• Familiarity with serverless architecture and CI/CD in cloud environments.

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.

Company Overview

VC-backed Fintech startup with an innovative online trading application seeking an experienced Frontend Engineer to join our growing team.

We're based out of UK and have our engineering team in India.

Job Description

We are looking for a great JavaScript developer who is proficient with React.js. Your primary focus will be on developing user interface components and implementing them following well-known React.js workflows (such as Flux or Redux). You will ensure that these components and the overall application are robust and easy to maintain. You will coordinate with the rest of the team working on different layers of the infrastructure. Therefore, a commitment to collaborative problem solving, sophisticated design, and quality product is important.

Responsibilities

1. Developing new user-facing features using React.js
2. Building reusable components and front-end libraries for future use
3. Translating designs and wireframes into high quality code
4. Optimizing components for maximum performance across a vast array of web-capable devices and browsers
5. Maintain existing React systems, including fixing bugs
6. Handling backend infra written in Next/Node/Express

Skills

1. Strong proficiency in debugging, JavaScript, including DOM manipulation and the JavaScript object model
2. Thorough understanding of React.js and its core principles
3. Experience with popular React.js workflows (such as Flux or Redux)
4. Familiarity with newer specifications of EcmaScript
5. Experience with data structure libraries (e.g., Immutable.js)
6. Knowledge of isomorphic React is a plus
7. Knowledge of isomorphic Next js and Node js is a plus
8. Familiarity with RESTful APIs
9. Knowledge of modern authorization mechanisms, such as JSON Web Token
10. Familiarity with modern front-end build pipelines and tools
11. Experience with common front-end development tools such as Babel, Webpack, NPM, etc.
12. Familiarity with basic authentication mechanism and security
13. Ability to understand business requirements and translate them into technical requirements
14. A knack for benchmarking and optimization
15. Familiarity with code versioning tools such as Git

[Please note: Our HQ is in Wales and we're in the process of creating an Indian Entity. This means that the candidate will be responsible for all Tax related compliances until the entity is setup.]

Front end Developer : (Group Manager )

Job Description

Join our product development team to develop our web applications

You are a creative web programmer that will focus on the front-end development and design, but also assist as needed with back-end development if needed.

Design, production, modification, and maintenance of web application’s user interface

Assist with the development and implementation of new features

Work with back-end developers to implement front-end and user interface requirements

Work with team on designing new interfaces to programs

Thoroughly document design and implemented code

Qualifications

- B.E. or B. Tech or MCA

- 5 to 8+ years of overall experience

5 years of frontend web application development

Proficient understanding of web markup, including HTML5, CSS3

Proficient understanding of client-side scripting and JavaScript frameworks, including jQuery. Strong understanding of JavaScript

Good working experience of any of advanced JavaScript libraries and frameworks such as AngularJS, KnockoutJS, BackboneJS, ReactJS

Good understanding of asynchronous request handling, partial page updates, and AJAX

Proficient understanding of code versioning tools GIT/SVN

Good understanding of browser rendering behavior and performance

Good knowledge of charting any frameworks like Highcharts, Highmaps or D3JS

Working with and leveraging cloud PaaS components for front end delivery

Experience in any server-side programming is a plus

Familiarity with Visio, Basic knowledge of image authoring tools, to be able to crop, resize, or perform small adjustments on an image is a plus.

- BE/BTech degree in CS/IT with more than 7 CGPA or similar.

- 5 to 8 years of proven experience as a Frontend Web UI engineer or similar role.

- Must have good understanding of Data Structures/Algorithms/Databases and other CS concepts.

- Should be able to design/implement/deploy end-to-end systems.

- Good/Hands on experience with Angular 8+ and scripting programming languages like JavaScript/Typescript.

- Good/Hands on experience with HTML5, CSS, SCSS, Angular Material or any other UI libraries

- Good/Hands on experience in writing the unit tests.

- Must have worked designing the Angular Modules based on the UI/UX provided with RxJs, NgRx, Websockets etc.

- Should be inquisitive enough to pick and work on multiple programming languages and frameworks based on specific cases.

- Having worked in at least one of the cloud computing services like AWS/Azure/Google Cloud is a plus.

- Good Knowledge on Dockers/Kubernetes is a plus.

- Having basic understanding of (or having worked in) server-side web frameworks like NodeJS, Flask, Django is a plus.

React JS Developer

Exp - 5+ years

Skills: React, Redux, Javascript, HTML, CSS
Location: Bangalore, Hyderabad, Chennai

We are looking for an Angular Developer to join our awesome team and deliver a streamlined user experience. We want a team member who strives to develop a first class codebase using Angular best practices. As an Angular 6/7/8 Developer, you will implement a complete user interface in the form of a mobile and desktop web app.

AngularJS Developer duties and responsibilities:

• Develop User interfaces for Modern Rich Internet Applications with the latest Front End Technologies
• Perform product analysis and development tasks of increasingly complex nature which may require extensive research and analysis.
• Writing tested and documented JavaScript, HTML and CSS
• Make design and technical decisions for Angular projects.
• Develop application code and unit test in the Angular, Rest Web Services and Java technologies for the Application Development Center.
• Ensuring high performance

AngularJS Developer requirements and qualifications:

• Up to 3 years Experience with Angular 6/7/8.
• Strong expertise with HTML, CSS, and writing cross-browser compatible code.
• Good understanding of AJAX and JavaScript Dom manipulation Techniques
• Experience with RESTful services
• Experience in JavaScript build tools like grunt or gulp
• Expert in any one of the modern JavaScript MV-VM/MVC frameworks (Angular, JQuery, NodeJS, GruntJS)
• Familiar with testing frameworks (Ex. Jasmine)
• Test runner framework (Ex. Karma)
• Hand on and implements complex Angular applications, directives, controllers, services
• Critical thinker and problem-solving skills
• Team player
• Good time-management skills
• Great interpersonal and communication skills

Pre-requisites:

• Excellent English communication skills
• Should be willing to run that extra mile for the role
• A positive approach with a go-getter attitude.
• Excellent team player