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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.

We are looking for a skilled Sr. React.js Developer to join our front-end development team. In this role,
you will be responsible for developing and implementing user interface components using React.js
concepts and workflows such as Redux, Flux, and Webpack. Someone with great communication &
managerial skills to handle a team and can interact with the designers, developers , stakeholders in order
to avail interactive and scalable sites.
Key Attributes you need to possess: -
- Prioritization- Should have a strong work ethics and show up on time at sessions with excellent skills
in predicting the amount of time needed to plan, coordinate, and perform on a task or manage their clients
as and when required.
- Quick Learning Ability- You should be an amazing self-learner who has the ability to learn new
technology on their own and is not threatened by new technologies. Someone who has an ability to pull
various bits of information and to process information on the fly with good logical and analytical skills.
- Deep and Broad Technical Experience- Someone who is able to hit the ground because they already
know the right technology.They should be able to meet coding principles and write code that is readable
and commented-on where appropriate.Through incorporating their cognitive abilities and extensive
industry experience, they are able to find optimal solutions easily.
- High-End User Focus-A good programmer does what they are asked to do, while a great programmer
thinks of the end user of the software and works to solve problems within the organization’s
capabilities.Someone who knows the functionality they’re creating is of high value.
- Business Acumen- Should have a great eye for Business acumen as the product build will be exposed to
millions of customers on-brand digital assets hence giving you exposure for handling a large user base in
a live environment.
- Collaborative- Someone who is able to collaborate with the junior frontend teams, to mentor them and
to guide them through proper execution of their tasks and can interact with the designers, developers ,
stakeholders in order to avail interactive and scalable sites.
Typical work week look like:-
- Meeting with the development team to discuss user interface ideas and applications.
- Handling a team of Junior frontend developers and guiding them for the proper execution of their tasks.
- 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.
Our ideal candidate should have:-
- 4+ years of relevant experience in a Tech Startup
- Previous experience working as a React.js Developer.
- A solid grounding in Computer Science fundamentals (based on a BE/BTech or MS in Information
Technologies/Computer Science)
- Strong proficiency with JavaScript and ES6.
- Strong understanding of web markup, including HTML5, CSS3.
- Proficient understanding of React & Redux and also having familiarity with RESTful APIs & Git.
What you can expect from Company:-
- Passion & happiness in the workplace with great people & open culture with amazing growth
opportunities.
- An ecosystem where leadership is fostered which builds an environment where everyone is free to take
necessary actions to learn from real experiences.
- Chance to work on the cutting edge of technology.
- Freedom to pursue your ideas and tinker with multiple technologies- which a techie would definitely
enjoy!!
If you have outstanding programming skills and a great passion for developing beautiful, innovative
applications, then you will love this job
Key Responsibilities:
² Develop and maintain responsive web applications using React.
² Collaborate with UX/UI designers to translate wireframes and mockups into functional code.
² Optimize applications for maximum speed and scalability.
² Write clean, maintainable, and efficient code following best practices.
² Participate in code reviews and contribute to team knowledge sharing.
² Troubleshoot and debug applications to enhance performance.
² Stay up-to-date with the latest industry trends and technologies to ensure our tech stack remains cutting-edge.
Qualifications:
² Current SDE 3 designation or equivalent experience in a senior development role.
² 5+ years of experience in software development, with a strong focus on frontend technologies, particularly React.
² Proficiency in JavaScript (ES6+), HTML, and CSS, with a deep understanding of modern web development practices.
² Experience with state management libraries (e.g., Redux, MobX) and routing solutions.
² Strong knowledge of RESTful APIs and experience with modern build tools (Webpack, Babel).
² Experience with testing frameworks (e.g., Jest, React Testing Library) and test-driven development (TDD).
² Excellent problem-solving skills and the ability to work collaboratively in a fast-paced environment.
Job Description
We are looking for a Front-End Web Developer who is motivated to combine the art of design with the art of programming. Responsibilities will include translation of the UI/UX design wireframes to actual code that will produce visual elements of the application. You will work with the UI/UX designer and bridge the gap between graphical design and technical implementation, taking an active role on both sides and defining how the application looks as well as how it works.
Responsibilities
- Develop new user-facing features
- Build reusable code and libraries for future use
- Ensure the technical feasibility of UI/UX designs
- Optimize application for maximum speed and scalability
- Assure that all user input is validated before submitting it to the back-end
- Collaborate with other team members and stakeholders
Skills And Qualifications:
- Proficient understanding of web markup, including HTML5, CSS3
- Basic understanding of server-side CSS pre-processing platforms, such as LESS and SASS
- Proficient understanding of client-side scripting and JavaScript frameworks, including jQuery
- Good understanding of ( Developer should know advanced JavaScript libraries and frameworks, such as AngularJS, KnockoutJS, BackboneJS, ReactJS, DurandalJS, etc.)
- Good understanding of asynchronous request handling, partial page updates, and AJAX
- Basic knowledge of image authoring tools to be able to crop, resize, or perform small adjustments on an image. Familiarity with tools such as Gimp or Photoshop is a plus.
- Proficient understanding of cross-browser compatibility issues and ways to work around them.
- Proficient understanding of code versioning tools, such as (Git / SVN)
About us:
HappyFox is a software-as-a-service (SaaS) support platform. We offer an enterprise-grade help desk ticketing system and intuitively designed live chat software.
We serve over 12,000 companies in 70+ countries. HappyFox is used by companies that span across education, media, e-commerce, retail, information technology, manufacturing, non-profit, government and many other verticals that have an internal or external support function.
To know more, Visit! - https://www.happyfox.com/
We’re looking for an experienced Technical Lead – Frontend Engineer to join our growing engineering team to help build and maintain HappyFox’s product offerings.
What you can expect as a Technical Lead at HappyFox:
- You will consistently ship features and improvements and lead a team of engineers working on our product roadmap.
- You will oversee software architecture, Git workflows, and CI/CD processes and perform code reviews to ensure exceptional code quality.
- You will actively work towards identifying, minimizing, and managing technical debt in the codebase.
- You will improve the development experience and the quality of the codebase.
- You will define our internal standards for coding style, maintainability, and best practices for a large-scale web application.
- You will uphold the best practices and coding standards for the team through code review and technical feedback.
- You will take responsibility for key technical architecture and design decisions.
- You will take ownership of the stability and performance of the services that you work on.
- You will contribute to the strategic vision and long-term roadmap in your area of expertise.
You should apply if:
- You have 2+ years of experience in a technical lead role designing and building single-page web applications.
- You have 8+ years of relevant professional experience in building web applications with javascript frameworks like Ember.js or React.js.
- You have deep knowledge of HTML, CSS, and JavaScript
- You have experience building single-page apps and a good understanding of the best practices and coding patterns.
- You have a passion to dig into technically complex problems to troubleshoot and figure out a solution.
- You have a desire to continuously improve and ship the best quality product.
- You have a pragmatic approach to making sure technical decisions align with actual business needs.
- You have a good understanding of the trade-offs when building for product value, reliability, or performance.
- You have excellent communication skills with the ability to discuss and explain your point of view clearly and effectively.
- Meeting with the development team to discuss user interface ideas and applications.
- Reviewing site requirements and interface designs.
- Identifying web-based user interactions.
- Developing and implementing highly responsive user interface components using react concepts.
- Writing user interface codes using JavaScript following react.js/next.js workflows.
- Troubleshooting site interface and debugging developed site codes.
- Developing and implementing front-end architecture to support user interface concepts.
- Monitoring and improving front-end performance.
- Documenting site changes and developing updates.
Requirements
- Bachelor’s degree in computer science, information technology, or a similar field.
- Strong knowledge in react frameworks such as Next Js etc.,.
- Previous experience working as a react.js developer.
- In-depth knowledge of JavaScript, CSS, HTML, and front-end languages.
- Experience with web/graphic design applications such as Figma, Adobe XD, Adobe Photoshop, Adobe Illustrator.
- Experience with user interface design.
- Experience with browser-based debugging and performance testing.
- Excellent troubleshooting skills.
- Good project management skills.
- Developer must have proven work experience on version control and source code management like GIT, Bitbucket.
• Angular developer (3 - 5 years of experience)
• Should have expert level knowledge to Design, Develop and test Web Apps with Angular versions 6 and above.
• Primary Skills – Angular6+, HTML, CSS3, JavaScript.
• Node JS as backend will be advantage
• Knowledge of Mongo, MySql will be advantage
• Highly skilled at front-end engineering using Object-Oriented JavaScript, TypeScript, various JavaScript,TypeScript patterns and frameworks.
• Should have experience in publishing and consuming Services using REST API
• Excellent time-management, multi-tasking, and communication skills. Capable of handling multiple projects and related complexities at the same time.
• Compensation - As per industry standards.
• Joining – at earliest.








