React Js Developer

Job Title : Frontend Developer (React + Three.js)

Location : Noida

Experience : 2+ Years

Job Description :

We are looking for a Frontend Developer with strong skills in React.js and Three.js to build interactive, high-performance 3D web applications. The role involves creating smooth 3D experiences, optimizing performance, and collaborating with cross-functional teams.

Key Responsibilities :

• Develop responsive and dynamic UIs with React.js/Next.js.
• Implement and optimize 3D visualizations using Three.js/WebGL.
• Manage 3D assets (GLTF/GLB, textures, compression).
• Ensure performance optimization, cross-browser compatibility, and scalability.
• Collaborate with designers and backend teams to deliver seamless experiences.

Required Skills :

• JavaScript/TypeScript, React.js/Next.js
• Three.js / WebGL for 3D rendering & interactions
• State management (Redux, Zustand, Context API)
• 3D asset pipeline (GLTF/GLB, textures, compression tools)
• Performance optimization (profiling, draw calls, FPS tuning)
• API integration (REST/GraphQL)
• Version control (Git)

We're at the forefront of creating advanced AI systems, from fully autonomous agents that provide intelligent customer interaction to data analysis tools that offer insightful business solutions. We are seeking enthusiastic interns who are passionate about AI and ready to tackle real-world problems using the latest technologies.

Duration: 6 months

Perks:

- Hands-on experience with real AI projects.

- Mentoring from industry experts.

- A collaborative, innovative and flexible work environment

After completion of the internship period, there is a chance to get a full-time opportunity a Software Development engineer (Up to 12 LPA).

Key Responsibilities

• Engage in the full software development lifecycle: ideation, design, development, testing, and deployment.
• Develop responsive, high-performance web applications utilizing HTML, CSS, JavaScript, and frameworks such as React, Angular, and Next.js.
• Create back-end services and APIs using Node.js, managing data with MongoDB and Supabase.
• Utilize cloud services like AWS for hosting and scaling applications.
• Collaborate on the design of efficient and scalable database schemas.
• Learn from code reviews with seasoned developers, adopting best practices and coding standards.

Requirements

• Enrollment in a Computer Science or related degree program.
• Proficiency in HTML, CSS, JavaScript, with experience in frameworks like React, Angular, or Next.js.
• Understanding of back-end development using Node.js.
• Knowledge of database technologies such as MongoDB and Supabase.
• Exposure to cloud services, particularly AWS, and familiarity with hosting principles.
• Strong problem-solving capabilities and a continuous learning mindset.
• Excellent teamwork and communication skills.
• Mandatory proficiency in GIT.

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.

Role Overview

As a Senior Frontend Developer, you will be at the forefront of developing high-quality mobile applications using React Native. This role requires a comprehensive understanding of cross-platform development, UI/UX design principles, in-app purchases, and state management. You will work closely with our backend team, designers, and product managers to deliver seamless and responsive applications that meet global market standards.

Key Responsibilities

• Lead the development of mobile applications using React Native, ensuring cross-platform compatibility and responsiveness across devices.
• Collaborate with the design team to implement intuitive and user-friendly UI/UX designs.
• Integrate in-app purchases, Firebase services, dynamic links, and develop custom features to enhance user engagement.
• Manage application state effectively using state management libraries and best practices.
• Oversee the app deployment process, including release management, to the App Store and Google Play Store, ensuring compliance with their guidelines.
• Work with the team to identify and resolve performance issues and optimize application for speed and scalability.
• Work on animations and UX of applications for both IOS and Android.
• Stay updated with the latest trends and technologies in mobile development to continuously improve app functionality and user experience.

Qualifications

• Bachelor's degree in Computer Science, Engineering, or a related field.
• 5+ years of experience in frontend development, with significant experience in React Native and cross-platform mobile app development.
• Strong portfolio demonstrating expertise in UI/UX design and in-app purchases integration.
• Extensive experience with Firebase, including dynamic links and other backend services.
• Proven track record of managing app releases, including deployment to the App Store and Google Play Store.
• Excellent problem-solving skills, attention to detail, and the ability to work in a fast-paced, team-oriented environment.
• Strong communication skills, with proficiency in English.
• Attach the link of mobile application worked on till date

Why Join Us?

• Opportunity to lead a cutting-edge project impacting users globally.
• Work in an environment that fosters innovation, collaboration, and professional growth.
• Competitive compensation, comprehensive benefits.

• Skills : React JS, React router, redux, HTML, javascript, css

   

  BriefJobDescription:

  • FrontEnd Developer
    Passionate and Energtic to take responsibility of developing from scratch in frontend.
    Strong proficiency with React
    Understanding the nature of asynchronous programming and its quirks and workarounds
    Good understanding of server-side CSS preprocessors
    Basic understanding of front-end technologies, such as HTML5, and CSS3
    Understanding accessibility and security compliance
    User authentication and authorization between multiple systems, servers, and environments
    Understanding fundamental design principles behind a scalable application

If a misaligned shadow bothers you, we already like you 😆

• Master's / Bachelor’s degree in Computer Science, Software Engineering, or Self taught developer.
• 3+ years of experience in fundamentals of web, HTML, CSS and JavaScript.
• Familiarity with JavaScript frameworks such as Vue or React.
• Understanding of product design, user experience and skills to recreate and match high quality pixel perfect designs and can go above and beyond in detailing.
• Has ability to build a ground up resoluble components and in-house UI system that can scale across the product.

A collaborative role with Individual ownership ✅

• Ownership of developing UI related features. Work with with the rest of the engineering team to develop, launch or maintain features.
• Take ownership of design <> dev collaboration and participate in the education of both sides.
• Work closely with design team and become a bridge between engineering and design.
• Maintain code integrity.

About Company

Manas AI is a London-based AI Firm, with its subsidiary in Hyderabad, India. We build products and services that extract actionable intelligence from language (e.g., social media, user conversations, emails, etc.)

The ideal candidate will be responsible for designing, developing, testing, and debugging responsive web and mobile applications for the company. Using JavaScript, HTML, Angular and CSS, this candidate will be able to translate user and business needs into functional frontend design. 

Responsibilities

• Proficiency in HTML, JavaScript, jQuery, and CSS.
• Strong experience in Angular UI Framework,
• Should have strong knowledge of understanding and debugging Angular application with chrome developer tools.
• Must be able to convert Design/ Wireframe into a functional site
• Must be able to Perform unit testing with Jasmine and Protractor (Good to have)
• Detailed experience with coding and the ability to troubleshoot and analyse websites using HTML, CSS, and comparable languages
• Must have experience GIT in version control
• Ensure that the website is optimized for various devices with mobile responsiveness.
• Understanding of key design principles.
• Good problem-solving skills.
• Good communication skills

Qualifications

• 3-8 years of demonstrated experience in creating and implementing UI development
• Work with other developers and designers to ensure that the website is functional and visually appealing.
• Good team player.
• Liaise with the client to gauge their needs and expectations.
• Plan the layout and Architecture of the website.