JavaScript 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.

Overview

Adesso India specialises in optimization of core business processes for organizations. Our focus is on providing state-of-the-art solutions that streamline operations and elevate productivity to new heights.

Comprised of a team of industry experts and experienced technology professionals, we ensure that our software development and implementations are reliable, robust, and seamlessly integrated with the latest technologies. By leveraging our extensive knowledge and skills, we empower businesses to achieve their objectives efficiently and effectively.

Job Description

We are seeking a skilled Frontend Developer with expertise in developing frontends for Websites, based on Web-Content-Management-Systems to join our dynamic team. As a Senior Frontend Developer, you will be responsible for developing and maintaining the frontend of complex corporate Websites. You will collaborate with cross-functional teams to design, develop, and deploy high-quality software solutions.

Responsibilities:

Develop and maintain frontend components for websites using state of the art web standards as Vue/Nuxt, React/Next or Web Components.

Work closely with backend developers to ensure seamless integration and data flow.

Optimize frontend performance to ensure fast loading and smooth user interactions.

Implement best practices for web accessibility (WCAG) and cross-browser compatibility.

Ensure responsive design and mobile-first principles are consistently applied.

Maintain high-quality coding standards, documentation, and unit testing. 

Requirements:

Proven experience as a Frontend Developer with expertise in Web-CMS-Projects.

Strong proficiency in HTML5, CSS3, and JavaScript/TypeScript (Vue/Nuxt, React/Next or Web Components).

Familiarity with frontend build tools (e.g., Webpack, Babel, npm/Yarn).

Experience in UI/UX best practices and component-based design using atomic design principles and design systems.

Excellent understanding of responsive design, mobile-first principles, and frontend performance optimization.

Strong collaboration skills to work effectively in cross-functional teams.

Years of Experience:

3-5 years of frontend development experience in the context of Websites and Web-CMS.

If you are a passionate frontend developer with expertise in Website-Development and have the required skills, we encourage you to apply and join our team. 

Skills & Requirements

Frontend Development, Web-CMS, HTML5, CSS3, JavaScript, TypeScript, Vue/Nuxt, React/Next, Web Components, Webpack, Babel, npm/Yarn, UI/UX Design, Atomic Design, Design Systems, Responsive Design, Mobile-First Development, Frontend Performance Optimization, Cross-Browser Compatibility, Web Accessibility (WCAG), Unit Testing.

Job Description:

You will be responsible for maintaining and scaling a high quality React Native social media Application.

Technical

Candidate should have:

• Built end-to-end React Native application with at least 5K users or more
• 1-4 years work experience in developing Android & iOS apps using React Native, React.js
• Thorough understanding of React Native and its core principles
• Knowledge of how to integrate SDKs like Firebase, Mixpanel, OneSignal, Branch
• End to end feature development for the stories provided
• Has implemented local data storage, caching, app optimization techniques
• Knows how to write unit test cases.
• Aware of app store build forming and release process
• Knowledge or experience with User Interface and Visual Design principles and techniques
• Understanding of software development lifecycle and version control (preferably Git)
• Must have experience in delivering software via complete Continuous Integration and Continuous Delivery (CI/CD) pipeline

Non-Technical

The ideal candidate joining us will be:

• a keen observer and a good problem solver with good communication skills
• ambitious, self-driven & equally a fun-loving team-player
• The ability to own end to end responsibility - right from requirement to release

Experience

• React Native: 2 years (Required)
• React Hooks/Redux: 1 year (Required)
• React.js: 2 years (Required)
• HTML/CSS/Bootstrap/jQuery: 1 year (Preferred)
• Jest/Enzyme or any other tool for unit/functional: 1 year (preferred)
• Git/Gitlab: 1 year (Required)
• Firebase, Branch: 1 year (Preferred)

About Clan:

Clan is a QnA social media platform with invite-only access to 1% intellectuals in India. We aim to make social media much more civil and meaningful.

Compensation: 40k-50k

We are looking for a seasoned frontend developer to join our product team. This role requires you to be a tech-savvy contributor in translating the customer needs and user expectation into interactive web apps. You’ll be an exceptional problem solver and take responsible actions in ensuring the application is optimized both in technology and in delivering best user experience.

Responsibilities:

• Work closely with design, product management and development teams to create elegant, usable, responsive and interactive interfaces across multiple devices.
• Turning UI/UX designs into prototypes, creating awesome interactions from designs, writing reusable content modules and maintainability of the code.
• Implement UI development principles to ensure that the product client-side serves at scale.
• Review and optimize the app usage by monitoring key metrics and rectifying the issues proactively.
• An ability to perform well in a fast-paced environment and bring in optimal flow for rapidly changing design/ technology.

Requirements:

• 2 to 5 years of relevant work experience as a web developer, UI developer, JavaScript expert or frontend engineer
• Experience in Frontend Technologies 
  • Typescript - the right way. Ie, not using it exactly like Javascript, instead using it in the way it was intended to be used.
  • React
  • GraphQL (Relay Specification is a plus)
  • Apollo Client for React OR React-Relay
• Worked in large React Projects preferably in TypeScript, with proper usage of Typing.
  • Familar with React Contexts and Hooks
  • Should have a very good understanding, and practical knowledge in Advanced Guides in React (https://reactjs.org/docs/forwarding-refs.html" target="_blank">https://reactjs.org/docs/forwarding-refs.html) 
• Familiar with UI layouts, SASS, bootstrap and the CSS GRID system
• Experience with a GraphQL backend using either Apollo Client for React or React Relay is a plus
• Experience using any one React UI Framework: Ant UI, Elastic UI, Material Framework for React, Blueprint UI or Bootstrap for React

• Developing new user-facing features using React.js.
• Build reusable components and front-end libraries for future use.
• Translate designs and wireframes into high-quality code.
• Optimize components for maximum performance across a vast array of web-capable devices and browsers.
• Design a modern highly responsive web-based user interface.

Skills and Competencies;

• Bachelor's degree in computer science preferred.
• 3-5 years of demonstrated experience.
• Good knowledge of HTML5, CSS3.
• Strong proficiency in Javascript.
• Strong working knowledge of React JS and web apps.
• Good working experience using API in UI development.
• Should be able to do responsive design and cross-browser compatibility.
• Willingness to experiment and take complete responsibility for projects.
• Work independently and remote, with excellent follow-up, time management, and organization skills.
• Any additional knowledge of/familiarity with programming, in general, would be a great added bonus.
• Knowledge of Jira/confluence.
• Familiarity with code versioning tools such as Git.
• A team player with a problem-solving aptitude.
• Fluent in a second language preferred, good level of verbal English required.

• Work with other developers to ensure that the website is functional and visually appealing.
• Liaise with the client to gauge their needs and expectations.
• Plan the layout of the website.
• Ensure that the website is optimized for various devices.
• Use analytics to test client enjoyment.
• Building reusable code and libraries for future use.
• Implementation of security and data protection.

Requirements:

• Experience should be at least 3 Years
• Should be good in UI
• Should be proficient in Typescript, React Native and React Js
• Proficiency in HTML, JavaScript, jQuery, and CSS.
• Good interpersonal skills.
• Understanding of key design principles.
• Good problem-solving skills.
• Would prefer to have someone from the gaming industry/poker industry or someone who is interested in the poker game development

We are looking for a great JavaScript developer who is proficient with React.js and React Native. His/her primary focus will be on developing user interface components and implementing them following well-known React.js workflows.

Responsibilities:

• Developing new user-facing features using React.js and React Native.
• Work with Bright's design team to build excellent UI components.
• Building reusable components and front-end libraries for future use.
• Architect, build and maintain excellent javascript/React Native applications with clean code.
• Diagnose and fix bugs and performance bottlenecks for performance that feels native.
• Reach out to the open source community to encourage and help implement mission-critical software fixesReact Native moves fast and often breaks things.
• Maintain code and write automated tests to ensure the product is of the highest quality.

Requirements:

• Strong proficiency in JavaScript and CSS .
• Thorough understanding of React/React-Native and its core principles.
• Past experience with building Customer Facing UI components.
• Some experience with UI design and related tools.
• Knowledge of automation testing framework using any technology for web and mobile apps is a plus.
• Knowledge of Database basics, SQL queries, etc.

Tech Stack :

PHP, HTML, CSS, JAVASCRIPT, AJAX, REST API, JQUERY, POSTGRESQL/MYSQL, MVC FRAMEWORK.

Responsibilities:

• Design and build advanced applications
• Work with outside data sources and APIs
• Unit-test code for robustness, including edge cases, usability, and general reliability
• Work on bug fixing and improving application performance
• Continuously discover, evaluate, and implement new technologies to maximize development efficiency
• Building reusable code and libraries for future use
• Optimization of the application for maximum speed and scalability
• Implementation of security and data protection
• Able to understand and create Documentation according to Client requirement.

Requirements:

• Ability to write clean, commented and maintainable code.
• Basic understanding of MVC frameworks.
• Basic understanding of front-end technologies and platforms, such as JavaScript, HTML5, and CSS3.
• Proper understanding of OOPS concepts.
• Understanding differences between multiple delivery platforms such as mobile vs desktop, and optimizing output to match the specific platform.
• Creating database schemas that represent and support business processes.
• Proficient knowledge of a back-end programming.
• Proficient understanding of code versioning tools, such as Git.
• Proven software development experience and Web application development skills.
• Understanding of startup culture.
• Good team player, Quick learner.

• Experience, preferably with web applications and not websites
• Experience with HTML5, CSS3, JQuery & Javascript
• Experience with JSON data structures