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.

Requirements:

 You have designed, refactored, re-architected, deprecated and/or implemented a webapp from start to finish.

 CSS and its pre-processors like SASS/LESS.

 Excellent command over web fundamentals

 Good understanding and experience in building a React app.

 Exceptional coding skills in HTML5, CSS3, Javascript/ES6

 Strong problem-solving and analytical skills

 Familiarity with benchmarking and optimization techniques

 Eye for animation and understanding of motion principles.

 Experience with Agile Development, SCRUM methodologies

 Experience in DevOps - AWS, S3, API Gateway, CI/CD

 Native development experience in React Native (Android and iOS)

 Experience in NodeJs

Additional Full-stack Skills Would Be a Huge Bonus:

 Experience with Mongo DB, Redis, Firebase, NodeJs and its framework/ libraries like Express.

 Experience with PostgreSQL.

 Experience in NoSQL (CouchDB, Cloudant, MongoDB) datastores.

 Experience in building (secure) RESTful services and MVC patterns.

 Experience in coding & hosting on GitHub.

Desired Skills and Experience

CSS,JavaScript,React.js

• 5+ years in architecting and building Single Page Applications (SPA)
• Shipped at least 2+ applications using Angular/AngularJs
• 6+ years expertise in building Angularjs and Angular with integration and unit tests.
• Good working knowledge of other frameworks such as REACT, nodejs, meteor etc.
• Experience with package management tools such as webpack for minification, uglification etc
• Experience with creating embeddable widgets
• Expertise with CSS frameworks such as Bootstrap4

• Demonstrated expertise of building cloud native applications
• Familiarity with administration of CI/CD such as jenkins
• Responsibilities
• Develop new user-facing features
• Build reusable code and libraries for future use
• Collaborate with other team members and stakeholders to create UI/UX designs
• Ensure the technical feasibility of UI/UX designs
• Optimize application for maximum speed and scalability
• Collaborate with other team members and stakeholders

• AngularJS, Angular: 5 years (Required)
• Single Page Applications: 5 years (Required)
• CI/CD: 2 years (Preferred)
• webpack: 2 years (Preferred)
• CSS: 5 years (Preferred)
• Cloud Native: 2 years (Preferred)
• React, vuejs: 1 year (Preferred)

We are looking for a senior React.js developer who can guide the current team and also work on our project. The requirement could be for 3-4 months or at max 6 months. Hence a full-time remote consultant is preferred with about 4-5 years of experience in React.

This position is for a ReactJS developer. Since we are a start-up this position will have a lot of exposure to other verticals such as product management as well. There is no limit to learning for a person who is willing to take responsibility.

About TO THE NEW:

TO THE NEW (TTN) is a technology services company that designs, builds, & runs digital products and platforms for Fortune 500 companies, enterprises, SaaS, and consumer tech companies. We are recognized by global analyst firms like Gartner, Everest, ISG, and Zinnov for our capabilities in Digital Engineering, Cloud, and Data & Analytics. We have deep expertise in Experience design, Open source technologies across Web, Mobility, CMS, diverse Cloud infrastructures, DevOps, Big data & analytics, Quality, and test automation; combined with proven experience in Agile methodologies.

Founded in 2008, TTN is one of the fastest-growing companies with a growth rate of over 60% since 2017. Our passionate team of 2000+ “Newers” is spread across our delivery centers in Delhi, Dubai, NYC, and Sydney. TO THE NEW is a consistent winner of the prestigious ‘Great Place to Work’ award since 2015 and ranked #47 in the ‘Top 100 companies in India to Work’ for in 2019. Recently TTN was also recognized as one of the ‘Top 25 India’s best IT & IT-BPM workplaces’.

We take pride in our culture driven by passion for making an impact through technology and is backed by our emphasis on learning and development. 

Responsibilities:

1. Create high performance, secure, responsive, clean and simple front-end builts in collaboration and discussion with backend developers, designers and product owners

2. Responsibility for resolving all issues assigned in a timely manner

3. Participate in and lead architectural discussions with a group of senior architects

4. Identify and establish best practices and frameworks keeping in mind parameters of performance, responsiveness, security, maintainability, extensibility, and reuse

5. Translate designs and style guides into interactive user interfaces, ensuring cross browser compatibility, performance and robustness

6. Deliver high quality code that is maintainable and readable.

7. Develop and maintain features using JavaScript.

8. Our clients would value you for your comprehensive knowledge and understanding of Front-end design and architectures

Requirements:

1. Experience in developing front-end technologies using Object Oriented JavaScript, React.js, HTML, & CSS

2. Understanding of various browser engines

3. Experience to handle cross browser compatibility issues

4. Experience of full software development life cycle and good understanding of version control systems like Git.

5. Experience with an agile development methodology, preferably Scrum

6. Excellent time management, multi-tasking and communication skills

7. Understand the needs of our users and customers at the beginning of each project

8. Provide complete, actionable, and timely technical feedback to your Agile team

9. Mentor fellow and junior engineers

• Looking for 0-30 Days and Immediate joiners
• Minimum total experience should be 7 Years
• Overall with 4+ years experience in HTML, CSS and JavaScript and OOJS
• 2+ years' experience working with any JavaScript framework/library, preferably ReactJS or VueJS
• In-depth understanding of JavaScript, HTML5, CSS3 (pre-processors LESS/SASS) and relevant concepts.
• Proficiency with browser based debugging.
• Understanding of progressive web apps.
• Experience with a testing framework (Jest/Mocha).
• Experience using Git

1. Overview
https://www.srclogix.com/">SourceLogix  - is a California based software development company. Founded in 2007, we have successfully built our client base with our values: Talent. Team. Trust.

SourceLogix experts help Fortune 500 clients in the areas of SaaS, eCommerce, VoIP, CRM, Transaction systems & Predictive Analytics.

Our latest venture is to build our own Cloud-based SaaS platform to disrupt the Digital Marketing space with a revolutionary voice & video platform - to help customers significantly improve conversions. The platform is built on Amazon Web Services, Google Cloud, and Salesforce CRM to drive Voice & Video with analytics & deep learning, all to significantly improve conversion rates.

We are looking for a great JavaScript developer who is proficient with React.js. Your primary focus will be to develop all user interface components and implement them following well-known React.js workflows such as Flux or Redux. 

• Passion for creating and delivering great software with a strong sense of ownership. 
• Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model.
• Strong knowledge of JSON, XML, JavaScript, CSS2 & CSS3, HTML5 &  jQuery.
• Over two years of experience in building SaaS & web applications using ReactJS.
• Strong and proven experience with popular React.js workflows (such as Flux or Redux)
• Experience with standard front-end development tools such as Babel, Webpack, NPM, etc.
• Familiarity with newer specifications of ECMAScript.
• Familiarity with RESTful APIs & modern authorization mechanisms.
• Independently develop new user-facing features from designs and wireframes.
• Build reusable components and front-end libraries for future use.
• Proficient in Version Control Software such as GIT, Bitbucket.
• Ability to understand business requirements and translate them into technical requirements.

• Knowledge of modern authorization mechanisms, such as JSON Web Token.
• Knowledge of the AWS platform and scalable application architecture.
• Experience with CI/CD - Build & Release process. Agile/ Scrum based development..
• Highly desired knowledge in CSS preprocessors: Sass, Less or Stylus; Server-Side Rendering (SSR); and building Single Page Apps (SPA).
• Knowledge in Nodejs, NextJs is an added advantage.

• Developing new user-facing features using React.js.
• Build reusable components and front-end libraries for future use.
• Translate design and wireframe into high-quality code.
• Optimize components for maximum performance across a vast array of devices & browsers.
• Work closely with business owners, designers & backend developers to build a fantastic User Experience (UX) with solid User Interfaces (UI).
• Be responsive to change, adapt quickly with a talented team and work efficiently & remotely.

• Competitive salary - based on experience.
• 100% remote work. All you need is a good laptop, headset, and internet connectivity.
• Flexible work: don’t care when or where you work. We care how you work & how well you deliver.
• US-based team: open & transparent & professional. 
• Ability to make a direct impact & build a great platform.
• Awesome culture! We are a friendly & collaborative team with a learning and growth mindset.