Frontend 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.

Position Overview:

As a Frontend Developer at FatakPay, you will be responsible for translating design concepts into responsive and intuitive user interfaces. Working closely with our design and backend development teams, you will play a key role in crafting visually appealing and highly functional web applications.

Responsibilities:

• Collaborate with UX/UI designers to implement and refine user interfaces. Develop responsive and cross-browser-compatible web applications.
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• Write clean, efficient, and maintainable code using HTML, CSS, and JavaScript. Implement and maintain front-end frameworks and libraries.
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• Ensure the technical feasibility of UI/UX designs and optimize applications for maximum speed and scalability.
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• Collaborate with backend developers to integrate user-facing elements with server-side logic.
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• Conduct code reviews to ensure code quality and adherence to best practices.
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• Stay updated on emerging trends and technologies in frontend development.

Qualifications:

• Bachelor's degree in Computer Science, Web Development, or a related field.
• Proven experience as a Frontend Developer or similar role.
• Proficient understanding of web markup, including HTML5 and CSS3.
• Strong proficiency in client-side scripting and JavaScript frameworks (e.g., React, Angular, or Vue.js).
• Experience with responsive design and development.
• Familiarity with version control systems, such as Git.
• Excellent problem-solving and communication skills.
• Ability to work collaboratively in a team environment.

PREFERRED QUALIFICATION AND SKILLS:

In depth knowledge of VUE.JS

• In depth knowledge of HTML5 • In depth knowledge of CSS3 (Less, Sass, Stylus is a plus), knowledge of BEM methodology is preferred

• Detailed knowledge of JavaScript (ES2015 is a plus)

• Experience in any JS framework(Angular, React + Redux, Vue, etc.,) is must

• Understanding of Web Accessibility WCAG guidelines.

• Must be able to mentor and guide junior technical resources.

• One who is proactive and come forward with technology related initiatives. Motivated selfstarter.

 • Good Communication skills. English - Oral and Written.

Skills:

• Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model
• Thorough understanding of React.js and its core principles
• Experience with popular React.js workflows (Redux)
• Familiarity with newer specifications of ECMAScript
• Experience with data structure libraries (e.g., Immutable.js)
• Knowledge of isomorphic React is a plus
• Familiarity with RESTful APIs
• Knowledge of modern authorization mechanisms, such as JSON Web Token
• Familiarity with modern front-end build pipelines and tools
• Ability to understand business requirements and translate them into technical requirements
• A knack for benchmarking and optimization
• Familiarity with code versioning tools (such as Git, SVN, and Mercurial)

-          Strong programming skills in JavaScript

-          Experience with ReactJS

-          Experience with frontend frameworks like bootstrap, Jquery

-          Object Oriented concepts

-          Good knowledge in HTML5, CSS, CSS3

-          Experience in working with RESTful APIS

-          Experience with HTTP, HTTPS and WebSockets

-          Building responsive design

-          Knowledge in version control- Git, Subversion

-          Good problem-solving skills 

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

Knowledge and Skills:

• Writing semantic, modern, and accessible HTML mark-up.
• ReactJS (v17),Type Script, HTML, CSS
• Organizing and writing modular, well-structured CSS.
• Mastery of turning complex mock-ups into performant components/pages.
• Strong familiarity with Vanilla JS and up to date with the latest TypeScript features.
• Experience with writing scalable and performant code for a high-traffic website.
• Experience and/or knowledge of both Object Oriented Programming and Functional Programming principles.
• Willingness and desire to learn new and legacy frameworks.
• CSS pre-processing via SCSS.
• Experience with JS frameworks such as React, Redux, Backbone, or Marionette.
• Experience with Continuous Integration or Continuous Delivery.

Few words about Unify Technologies: Unify a Digital Engineering company. We help our clients by providing Digital Engineering Services to develop high-quality products. We have extensive experience in software product engineering and a successful track record of delivering on aggressive delivery plans without compromising on the quality in Cloud, Mobile, and Data practices.

Employment Type: Full-Time

Position: Sr. SDE and Lead SDE (Software Development Engineer)

Job Location: Hyderabad

Experience:

• ReactJS Jr Developer: 2-4 Yrs

• ReactJS Sr Developer: 4-8 Yrs

• ReactJS Lead Developer: 7-12 Yrs

Key Skills:

• ReactJS Jr Developer: (Must: ReactJS+JavaScript Programming Experience+UI)

• ReactJS Sr Developer: (Must: ReactJS+JavaScript Programming Experience+UI)

• ReactJS Lead Developer: (Must: Team Lead Experience + ReactJS+JavaScript Programming Experience+UI)

• NOTE: For the Lead Developer Team leading exp is Must

Project: Product-Online Marketing, E-commerce Platforms and AI, Predictive Analytics

Joining time: Immediate to 30 days

Education: Master’s/Bachelor’s degree in Computer Science, Statistics, Engineering or a related technical discipline will be preferred

Skills Required for Front End UI (ReactJS) Sr Developer/Lead Developer:

• Strong Experience in ReactJS/VueJS and JavaScript Programming

• Strong knowledge of HTML/CSS Page Designs, DOM, HTTP protocol and how the web works in general.

• Integrating with Backend Rest APIs

• Experience using libraries and frameworks like React, Redux, GraphQL and TypeScript. 

• Experience building server-side APIs and proxies using Node.js.

• Strong Knowledge of managed and performance-oriented code with React and Redux, Mobx, Mobx-state-tree 

• Good to have knowledge (Not must) with the SEO process

• Build pixel-perfect, buttery smooth UIs across both mobile platforms.

• Experience designing and building complex UI applications and implementing individual services that participate healthily in a microservice architecture.

• Ability to write well-documented, clean JavaScript code

• Familiarities with native Build tools, like XCode, Gradle and other required Build tools

• Understanding of REST APIs, the document request model, and offline storage

• Leverage native APIs for deep integrations with both platforms.

• Diagnose and fix bugs and performance bottlenecks for performance that feels native.

• Maintain code and write automated tests to ensure the product is of the highest quality.

Responsibilities:

• Design, build, review and evolve durable, highly scalable event-driven infrastructure

• Architect and lead the development of backend services.

• Work with REST APIs and integrating them with our software platform

• Develop front end capabilities such as dashboards, visualizations, features

• Work on building best performance UI features and linking with backend

• Integrate all the front end features with a backend pipeline 

• Integrate our AI models with the platform pipeline 

• Work on bug fixing and improving application performance 

• Unit-test code for robustness, including edge cases, usability, and general reliability

• Own new initiatives, Debug production issues

• Help define the way we work in the future including coding and design standards

• Work effectively in an agile development process

• Research cutting edge technology that can be applied to accelerate business growth

• Be the communication bridge be product owners and development teams