React Native 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.

Job Summary

We are seeking an experienced React Native Developer with hands-on expertise in developing and optimizing tvOS applications. The ideal candidate will have strong technical skills in React Native, a deep understanding of mobile app architecture, and prior experience with tvOS and focus navigation on Apple TV.

Key Responsibilities

• Develop and maintain React Native applications for iOS and Android platforms.
• Leverage native APIs for deep integrations across both platforms.
• Diagnose and fix bugs and performance bottlenecks for a native-like experience.
• Engage with the open-source community to encourage and contribute to key software fixes and improvements.
• Write and maintain clean, well-documented, and testable code.
• Create and execute automated tests to ensure product quality.
• Transition existing React web applications to React Native.
• Implement pixel-perfect UI designs and smooth animations for enhanced user experience.
• Integrate third-party APIs and SDKs.
• Ensure consistent UX across Android, iOS, and tvOS platforms.
• Release and manage applications on the Apple App Store and Google Play Store.
• Write performant applications optimized for low-end devices.
• Utilize debugging and development tools such as React DevTools and Charles Proxy.

Required Skills & Qualifications

• 5+ years of experience developing React Native applications.
• Strong proficiency in JavaScript, TypeScript, or ClojureScript (ES6+ syntax).
• Solid understanding of object-oriented programming principles.
• Ability to write clean, maintainable, and well-documented code.
• Expertise in managing third-party dependencies and resolving dependency conflicts.
• Experience with native build tools such as Xcode and Gradle.
• Good understanding of REST APIs, document request models, and offline storage mechanisms.
• Familiarity with automated testing suites and CI/CD pipelines.
• Strong skills in architecting and building React Native applications with clean architecture.
• Experience maintaining UX consistency across multiple platforms.

Preferred / Nice-to-Have Skills

• Experience with react-native-tvos and focus-navigation for Apple TV / tvOS.
• Knowledge of AVPlayer (iOS) and ExoPlayer (Android).

Fulfil’s software engineers develop the next-generation technologies that change how millions of customer orders are fulfilled by merchants. Our products need to handle information at a massive scale. We're looking for engineers who bring fresh ideas from all areas into our technology.

As a Front End software engineer, you will work on the ReactJS powered user interface used by Fulfil merchants to manage their back-office operations. This is mission critical software and your primary focus will be on developing user interface components and implementing them following well-known React.js workflows. You will ensure that these components and the overall application are robust and easy to maintain. In this role, you will be collaborating closely with the rest of the team working on different layers of infrastructure in an international environment. Therefore, a commitment to collaborative problem solving, sophisticated design, and quality are important.

What You’ll Do:

• Collaborate with a small yet extraordinarily talented team of engineers to implement front-end technologies
• Develop new user-facing features using React.js and React Native
• Work closely with the Design and Product teams to translate complex technical workflows into delightful user experiences
• Define how Fulfil builds user interfaces and ensure that we’re utilizing and keeping up with modern web standards
• Continually test, measure, and iterate on the results of your work in the spirit of continuous improvement
• Write clean, reusable, and well-tested front-end code
• Help to bridge the responsibilities of the Product and Engineering teams, spending time with both on the way to launching new products
• Architect efficient and reusable front-end abstractions and systems that drive complex web applications
• Create reliable and type-safe applications with Typescript
• Build and contribute to open source projects
• Build reusable components and front-end libraries for future use
• Optimize components for maximum performance across a vast array of web-capable devices and browsers

We’re Looking for Someone With:

• 5+ years of experience as a front end engineer
• Experience in building large-scale web applications in a fast-moving team environment
• A strong understanding of UX and UI design standards
• The perfectionist’s touch on a pragmatist’s deadline: you strive for pixel-perfection and intuitive functionality
• Strong proficiency in JavaScript (2-4 Years of experience), including DOM manipulation and the JavaScript object model
• Thorough understanding of React.js and its core principles, with experience in popular React.js workflows
• Experience with common front-end development tools such as Babel, Webpack, NPM, etc
• Experience with popular testing frameworks, like Jest, Cypress, and Testing Library.
• The ability to bring any design to life with HTML and CSS, with cross browser compatibility and accessibility
• Smarts, humility, communication skills, and equal willingness to teach and learn
• Familiarity with RESTful and GraphQL APIs
• Knowledge of modern authorization mechanisms, such as JSON Web Token
• Experience in developing large client side JavaScript applications
• Familiarity with code versioning tools like GIT
• Experience with Javascript testing tools and test automation

Nice to Haves:

• Prior experience at a growth stage Internet/Software company
• Demonstrated work beyond the front-end, experienced in integrating with a wide array of back-end technologies and services (e.g. experience with Python, AngularJS)
• Experience developing large client-side applications and optimizing them for performance
• You can straddle client and server development, creating APIs that drive web apps
• You understand the intricacies of timezones
• Web optimization, performance tools, and load testing
• You maintain or contribute to an open-source project

• 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.

UI Developer

Notice Period: 45 days 

Banyan Data Services (BDS) is a US-based Infrastructure services Company, headquartered in San Jose, California, USA. It provides full-stack managed services to support business applications and data infrastructure.  We do provide the data solutions and services on bare metal, On-prem, and all Cloud platforms. 

We are looking for UI Developer whose primary task will be to design and implement user interfaces for maximum usability and performance in web applications.

If you have a creative mind, top-notch technical skills, a strong sense of user interface design, and are passionate to be a part of a rapidly growing rocket ship startup, run by a world-class executive team then you are on right track.

Key Roles & Responsibilities

· Work in a team to design and build software applications to function across multiple platforms and technologies.

· Use coding to develop the aesthetics implemented within a website or product, from the layout menus and drop-down options to colors and fonts

· Combine interface design concepts with digital design and establish milestones to encourage cooperation and teamwork

· Develop overall concepts for improving the user experience within a business webpage or product, ensuring all interactions are intuitive and convenient for customers

· Write code in addition to testing and debugging code on a variety of platforms to comply with company standards

· Perform the technical analysis on both new and existing applications and their performance in several system formats

· Collaborate with back-end web developers and programmers to improve usability

· Seek to enhance the user experience by creating seamless navigation through various digital programs and interfaces within the company

· Create surveys for research through various social media platforms to gather feedback on user's ease of use and incorporate the findings in the development

Key Skills & Qualification

· 3+ years of demonstrated experience in creating and implementing UI development

· 2+ years of professional experience in Native React

· Highly proficient in rendering components with Native APIs

· Hands-On experience in JavaScript, modern JavaScript, HTML, Materialized CSS, Bootstrap, React.js

· Highly proficient in one or more libraries I.e Redux, Redux with hooks, Redux with Thunk, React Router, for state managing and routing in addition to React.

· Proficient in using Git as a control system

· Good understanding of MVC frameworks

· Should have knowledge of Architectural design pattern

· Understanding and grasp of Agile development and Scrum practices

· Flexibility and deadline-driven

· Professional written and interpersonal skills

· Ability to prioritize and manage multiple milestones and projects efficiently

· Advanced problem-solving skills and the ability to optimize code for the best possible outcome

http://www.banyandata.com" target="_blank">www.banyandata.com 

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.

Job Title : Software Engineer

Gogo has an exciting opportunity for a Software Engineer role who enjoys crafting great user experience and will help us design and develop our next generation airline services platform. You will be part of the team that is building a globally deployed platform for our customers using some best-in-class software technologies.

Job Summary:

The ideal candidate for this role will build and design the front-end user experience for the customer airline services platform. You will be a crucial working member of multi-disciplinary, highly skilled technical teams that design, develop, test, debug and document software, by providing high quality technical solutions and services that deliver business value and drive continuous improvement across the organisation.

Key responsibilities :

• Translate business requirements into technical details relevant to web application.
• Contribute in the design and implementation of UI changes across our product base. 
• Develop detailed technical analysis and design specifications based on functional requirements. 
• Develop modern web applications (progressive and responsive) in coordination with UI Team
• Collaborate closely with UX, Design, UI and web development teams to solve problems. 
• Develop complete front-end stack of projects using HTML/CSS/SASS, React and JavaScript.
• Integrate front-end UI with backend services.
• Build responsive web pages with HTML5, CSS, JS/React for the customer facing corporate websites.
• Define UI frameworks and architecture for websites that follow industry best practices for development

Required Skills & Experience:

• Bachelor’s Degree in Engineering with 5-8 Years’ experience in front end development
• Hands on experience Core web fundamentals: HTML, JavaScript, and CSS preprocessors like Sass or LESS.
• Front-end (CSS) frameworks like Foundation or Bootstrap
• AJAX (Asynchronous JavaScript and XML)
• MUST have Hands-on experience in ReactJS and Redux delivered project on ReactJS and played key role.
• Great understanding of Web technologies like XML, XHTML
• Client Server-side scripting languages such as web services development using RESTful implementations.
• Familiarity with the Flux Design Pattern or one of the libraries
• Unit Testing with Mocha, Karma or Jest
• Hands on with BDD Experience
• Experience working with RESTFUL API (1-2 Years’ Experience)
• Good Written and Oral Communication Skills

Gogo is the inflight internet company. We bring flexibility and performance to airlines and passengers alike across every device, every flight, everywhere—all powered by our global inflight network. Gogo’s worldwide inflight Wi-Fi services have made internet and video entertainment a regular part of flying. We are a diverse group of technologists, marketers, strategists, and any other function you can think of- all working together in extraordinary harmony. And that’s just the beginning.

We connect the aviation industry and its travellers with innovative technology and applications, and we do it all in a high-energy environment that welcomes the next challenge. Be prepared for a dynamic ride with people who are passionate about what they’re building. 

React Native Developer with iOS  experience - 6 months contract.

Required Experience : 2+ Years

Job Requirements :

- A solid knowledge of JavaScript,HTML&CSS & React Native

- Experience in native iOS and Android development

- Knowledge of functional or object-oriented programming

- Familiarity with native build tools, like XCode, Gradle Android Studio, IntelliJ

- Understanding of REST APIs

Note : This is a 6 months contract position directly under the client payroll.