UI Developer

Job Title: Frontend Developer – Perpetual Trading

Location: Remote

Experience: 2+ Years

About the Company

We are a next-generation cryptocurrency exchange focused on building innovative and secure trading experiences for digital assets and derivatives. With a strong emphasis on perpetual trading and real-time market execution, we aim to redefine how traders interact with crypto markets — combining transparency, performance, and user-centric design.

Role Overview

We are seeking an experienced Frontend Developer with a strong background in perpetual trading platforms and Web3 projects. The ideal candidate has hands-on experience integrating perpetual trading APIs such as GMX, Hyperliquid, or similar decentralized perpetual exchanges. You will develop high-performance, real-time trading interfaces that deliver seamless user experiences.

Key Responsibilities

• Develop and maintain scalable, responsive, and real-time front-end interfaces for perpetual trading dashboards.
• Integrate APIs from decentralized perpetual trading platforms like GMX, Hyperliquid, or others.
• Implement real-time order books, charts, and market data using REST and WebSocket APIs.
• Collaborate with backend, blockchain, and UI/UX teams to deliver a cohesive trading experience.
• Optimize the interface for low latency and high-frequency data updates.
• Implement wallet connectivity (MetaMask, WalletConnect) and secure trade execution flows.
• Write clean, modular, and maintainable code following modern front-end practices.

Required Skills & Experience

• 2+ years of experience as a Frontend Developer in crypto, DeFi, or trading platforms.
• Proven experience integrating perpetual trading APIs (e.g., GMX, Hyperliquid, Drift, or similar).
• Strong skills in React.js / Next.js, TypeScript, HTML5, CSS3, and JavaScript (ES6+).
• Experience working with real-time data using WebSockets.
• Familiarity with charting libraries (TradingView, Recharts, D3.js).
• Understanding of Perpetual Trading, Futures, and DeFi trading mechanics.
• Hands-on experience with Web3 integration using ethers.js or web3.js.
• Knowledge of API integration, front-end performance optimization, and security best practices.

Good to Have

• Experience in DEX / Web3 UI development.
• Familiarity with Redux, Zustand, or other state management tools.
• Understanding of smart contracts and on-chain data.
• Strong eye for UI/UX design in complex trading applications.

• About Team Sequoia

• Meeting with the development team to discuss user interface ideas and applications.
• Reviewing application requirements and interface designs.
• Identifying web-based user interactions.
• Developing and implementing highly responsive user interface components using react concepts.
• Writing application interface codes using JavaScript following react.js workflows.
• Troubleshooting interface software and debugging application codes.
• Developing and implementing front-end architecture to support user interface concepts.
• Monitoring and improving front-end performance.
• Documenting application changes and developing updates.

• - Contribute to a full development life cycle, including: requirements analysis, functional design, technical design, programming, testing, documentation, implementation, and on-going technical support.
• - Work closely with the existing team to learn the current application architecture, design and understand its functionalities and complexities.
• - Bridge the gap between graphic design and backend technical implementation
• - Build modular, responsive templates using modern CSS techniques
• - Translate UI/UX design wireframes to actual code
• Testing cross-browser, cross-platform, and/or cross-device compatibility for inconsistencies.

• - 2+ years of industry experience as a Front End Developer Engineer
• - Degree in Computer Science or related field
• - Experience with developing web and mobile applications
• - Extensive knowledge HTML5 / CSS3 / JavaScript / jQuery / Bootstrap / ReactJS, AngularJS
• - Strong experience in JSON/XML and REST/SOAP based Web Service based integration.
• - Experience (mandatory) with working Web Framework versions with exposure to creating components and handling AJAX calls.
• - Good to have knowledge in JIRA, GIT.
• - Strong knowledge of Client-Server Architecture.
• - Basic Proficiency with Python or relevant back-end scripting language
• - Ability to think critically and creatively in a dynamic environment, while picking up new tools and domain knowledge along the way

• - A positive attitude, and a growth mindset
• - Great attention to details

• - Experience with API testing software (e.g. Postman)
• - Good Humor

• 3+ years of experience in web development
• Minimum 2+ years’ experience in React js

Good to have

• Design and develop automation scripts when needed
• Experience in the Real Estate will be a plus

WHO YOU ARE

To be successful in this role, you’ll need to have the following skills:

• Love for coding: A fanatic about writing beautiful and scalable code.
• Sense of analytics: Strong analytical and troubleshooting skills. Should be resourceful, innovative and inventive.
• Dynamic: Should be comfortable in dealing with lots of moving pieces. Have exquisite attention to detail, and are comfortable learning new technologies and systems. 
• Team player: Knack for influencing without being authoritative. Pitch in wherever the team needs help, from writing blog posts to supporting customers.
• Accountability: High sense of ownership for your code and relentlessness to deliver projects with high business impact. 

KEY QUALIFICATIONS

• BE/BTech in Computer Science or related field. 
• Minimum 3+ years of UI/Frontend development and a strong understanding of building complex layouts using JavaScript, CSS and HTML.

KEY SKILLS

• Strong computer system analysis and design skills in current methodologies and patterns including vanilla JavaScript, some experience with ReactJS, Redux, React Native, Webpack, and Typescript or similar library/tools.
• Obsessed with WPO (Web Performance Optimization) and web/mobile performance analysis.
• Experienced with web standards and protocols such as HTTP, DNS, TCP/IP, and socket APIs in general.
• Familiar with web security, SEO, accessibility and internationalization.

React Native / React JS Developer

We're looking for a React Native Developer to join our growing frontend team. As a React Developer, you will help develop the next generation of our apps using tools such as React.js, Redux, Enzyme, and Webpack. You should be familiar with React and its ecosystem. 

Responsibilities

- Actively aid the consulting team in different phases of the project including problem definition, effort estimation, diagnosis, solution generation, design develop and deployment.,

- Contribute to unit-level and organizational initiatives.,

- Adherence to the organizational guidelines and processes

- Design, build and maintain efficient, reusable, and reliable codes by setting expectations and features priorities throughout the development life cycle

Requirement

- 2+ years' experience working with a Javascript framework, React Native, ReactJS, Typescript, Node JS

- In-depth understanding of Javascript, the DOM, and relevant concepts

- Must have experience in Web services, Web API, REST services, HTML, CSS3

- Proficiency with browser-based debugging and performance testing

- Identify bottlenecks and bugs, and recommend system solutions by comparing advantages and disadvantages of custom development.

- Contributing to team meetings, troubleshooting development, and production problems across multiple environments and operating platforms.