ReactJS 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.

● Work experience as a front end developer
● Good Understanding of Angular/React and Javascript
● Experience working with SQL & NoSQL Databases
● Hands on experience with front-end languages and technologies, such as JavaScript,
HTML5, CSS3, etc.
● Solid understanding of object-oriented development and design patterns.
● Experience in Version Control Systems like GIT, Bitbucket.

Ideal Candidates will:
● Possess Strong sense of ownership
● Have an ability to work in high energy teams and drive results
● Have Good communication and documentation skills
● Enjoy sharing knowledge and eager to keep developing themselves

Job Description

• • Collaborate with developers and UI/UX engineers to build scalable web apps
• • Design, implement and manage large applications with video streaming and complex state and high-frequency data
• • Experiment with large data sets to find interesting and valuable ways to visualize the data
• • Build reusable, testable React components that can be used between projects
• • Contribute towards building the company’s coding culture.
• • Mentor, groom junior developers and participate in code reviews

Requirements

• • 3+ years of relevant industry experience
• • A deep understanding of JavaScript
• • React, Redux or other JS framework experience
• • HTML5, CSS/SASS, Restful APIs, HTTP
• • JEST or other testing experience
• • Experience with android app development
• • Experience with CI/CD
• • Experience with Mathjax/Latex
• • Experience with large scale video streaming
• • Understanding of i18n, A11Y
• • Excellent understanding of cross-browser compatibility issues
•  

Mandate Skill - Angular, Unit Testing 

Please note we are looking for immediate joiners

Designation Offered: Engineer CL 2 – I & II (Software Engineer / Lead Engineer)

UI/UX Developer Responsibilities:

• Design, build, and maintain highly reusable Angular, JavaScript, HTML and CSS code.

• Translate user behavior and research into actionable data.

• Design and create mockups and user journeys for a wide range of devices including mobile.

• Rapid development and testing methodology.

• Ability to communicate research and design ideas to the rest of the team and upper management.

• Ability to communicate with the backend to display data in the UI

• Ability to handle graphs of different types, real-time huge data display on the web page

Position Overview

Front-End UI/UX developer with a combined skillset of application design and web programming. Responsibilities will include converting the UI designs to actual code that will produce visual elements of the application. You will be working on the UI/UX technical implementation of the application functionality.

To be successful in this role, you should have very good experience in programming and interaction with the backend. The team develops web applications, and mobile-based applications, which need to display graphs, data and images in real-time. The candidate should able to display huge data efficiently.

Experience:

• A minimum of 4 years of relevant experience in a similar role

Qualification:

• Bachelor of Engineering (BTECH / BE) or Masters (MTECH / MS / MCA ) in Computer Science / Electronics / Information Science from reputed institutions

UI/UX Developer Requirements

• Proficiency with Angular, JSP, HTML, and CSS, bootstrap.

• Knowledge of Adobe Photoshop, Illustrator, Sketch or other Graphics designing tools

• Good understanding of client-side scripting and JavaScript frameworks like jquery, Node.js, React.js, and Durandal framework.

• Proven work experience as a UI/UX developer or similar role.

• Team spirit, and strong communication skills to collaborate with various stakeholders

• Good time-management skills

• Good programming knowledge of design and development of drag and drop activities, graph components and data tables with different options in tables.

Tools

Visual Studio, Adobe Photoshop

Front-end languages:

HTML 5, CSS3, jquery, JavaScript, Angular and bootstrap.

Additional skillset

• Proficient understanding of cross-browser compatibility issues and ways to work around them.

• Good knowledge of version control tools SVN (Check-in, check-out, branching-merging policies), and automated build and release management tools is a plus.

• Strong communication skills (written, verbal), and interpersonal skills to be able to communicate effectively with all levels of staff and external clients.

• Strong analytical and problem-solving skills."

As Senior Front-End Developer at Meetmo, you'll be responsible for designing(converting from Figma to React UI; matching the UI design same as given in Figma by our customers), and maintaining web applications. You'll work with the development team, as well as UX/UI designers. You'll work closely with our back-end and full-stack developers to deliver consistent and reliable web experience. You'll work with our designers to improve usability for our customers and to ensure high-quality graphic standards and brand consistency. Ultimately, your work will have a direct impact on the user experience of our customers. We, at Meetmo, believe in an agile work structure and we're particularly looking for such candidates who are willing to explore rather than stick to his/her comfort zones, which will ultimately benefit employees to increase their technical knowledge in more than one field thus excelling in their career.

The technical skills we're looking for are as follows:

i. React JS

ii. SASS

iii. Tailwind CSS

iv. Redux

v. Redux-Saga

vi. Next JS

vii. Three JS

viii. Figma to React UI conversion

Note: Candidate should have an experience of a minimum of 3 years in Front-end development.

Location: Bangalore, Karnataka

About CercleX:-

CercleX is a digital technology platform which is a leading https://cerclex.com/blog/waste-management-in-tamil-nadu/">waste management company in Tamilnadu  with an extended outlook of circularity through its various ventures into the field of sustainability.

We have received FICCI Impactful Cleantech Startup Award, MeitY Emerging Startup Award, TVS Capital Budding Nxt Gen Entrepreneur Award, and many more for our digital solutions enabling transactions between waste generators, and aggregators, processors, and bringing in complete transparency, traceability to the waste ecosystem.

https://play.google.com/store/apps/details?id=com.scrapmarketCCX">Cercle X ScrapMarket is an app that helps you buy and sell scrap by connecting 100% verified buyers and sellers of scrap across India.CercleX  helps brands to accomplish their sustainability targets with https://cerclex.com/extended-producer-responsibility/">Extended Producer responsibility and research solid waste managemet on the environment to ensure the environment is eco free.

• Experience in developing apps using Reactjs with Redux, React hooks, react-router with Javascript ES6

• Developing new user-facing features using React.js

• Integrate APIs with frontend components using React.js

• Ensuring user experience determines design choices.

• Developing features to enhance the user experience.

• Striking a balance between functional and aesthetic design.

• Ensuring web design is optimized for smartphones.

• Building reusable code for future use.

• Optimizing web pages for maximum speed and scalability.

• Utilizing a variety of markup languages to write web pages.

• Maintaining brand consistency throughout the design.
  
  

• Degree in computer science or related field.

• Understanding of key design principles.

• Proficiency in React.js,HTML, CSS, JavaScript, and jQuery.

• Understanding of server-side CSS.

• Experience with graphic design applications such as Adobe Illustrator.

• Experience with responsive and adaptive design.

• Need to work on designing, developing, and testing UI for the platform
• Need to work with design teams to build new features to solve business problems and fill business needs
• Convert Design to Code using latest web technologies
• Integrate User Interface with Back-End APIs
• Optimize application for maximum speed and scalability
• Self-motivated, self-learning and thinking up and executing own ideas

• Strong knowledge of React.js, HTML, CSS & Javascript 
•  Knowledge in node.js, AWS, is an advantage
• Ability to work independently and manage the entire frontend of all platforms associated with Rejolut
• Exemplary tasks – Explore something new every day!
• Responsibility – Bring in your own ideas and get supported in executing them. 
• Fun – Experience a family culture & celebrate with the founders & team.
• Team – Be a part of a high-performance & cultural diverse team

• Freshers can apply
• Students in their last semester or passed out in 2020 can also apply

• Working days: Monday to Friday
• Timings: 11:00 am to 7:00 pm
• Duration of internship: 6 months/PPO(Performance Basis)

• You are available for the above said duration.
• You prefer to work in a fast paced environment with growth & learning opportunities
• If you have not applied for an internship before with us.
•  have relevant skills and interests

•  Health Insurance
•  Work from Home
•  Fast growth and more visibility into the company
•  Experience to work on the latest technology
•  Competitive Learning Environment with supportive co-workers
•  Employee friendly HR Policies
•  Paid leaves up to certain limits
•  Liberal working atmosphere
• Get mentored by the best in the industry