> Markdown version of [/jobs/ext/4622512-frontend-engineer](https://www.wearedevelopers.com/jobs/ext/4622512-frontend-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Frontend Engineer - **Company:** Mlabs Ltd - **Location:** New York, NY, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** JavaScript (Programming Language), Application Performance Management, Cascading Style Sheets (CSS), Content Delivery Networks, Continuous Integration, Data Visualization, DevOps, Design of User Interfaces, Human-Computer Interaction, Blockchain, TypeScript, WebSocket, Website Wireframe, Highcharts, Data Processing, Tailwind, ReactJS, Caching, Pixel Perfect, Backend, Real Time Data, Front End Software Development, Restful APIs, Mocha - **Published:** November 7, 2026 - **Apply:** https://www.juju.com/job/28_25303_4ee55fc7855294986dbe463c79c38155 ## About the Role * Experience: 3+ years of professional experience building and shipping high-quality frontend applications * Core Technologies: Expert proficiency in JavaScript/TypeScript and React * Styling Expertise: Strong CSS fundamentals (e.g., Flexbox, Grid, responsive/mobile-first design) and hands-on experience with Tailwind CSS * Performance: Deep understanding of browser rendering, runtime performance, and proficiency in performance profiling tools * Testing: Experience with modern testing frameworks (e.g., Jest, Mocha) and a dedication to writing maintainable test suites * Data Handling: Familiarity with modern data-visualization libraries (e.g., Chart.js, D3) and demonstrated experience handling high-volume, real-time data streams * Legal: Authorized to work in the United States ## Description Join the Product & Platform team at a high-growth crypto derivatives exchange that is rapidly capturing market share in a multi-billion dollar annual sector. We are focused on building cutting-edge blockchain-backed financial products, starting with a multi-asset margin feature that will allow users to post variable forms of collateral. This feature is vital, as multi-asset margin comprises over 86% of accounts in the crypto industry. You will play a key role in building and maintaining the applications that power our services. You will collaborate closely with designers, backend engineers, and product managers to deliver responsive, accessible, and high-performance user interfaces that bring complex financial tools directly to our users., * UI/UX Development: Design, build, and maintain full-featured websites and user interface (UI) components optimized for both web and mobile experiences * Design Collaboration: Collaborate closely with product designers to translate wireframes and mockups into responsive, accessible, and pixel-perfect applications * Performance & Optimization: Optimize application performance, leveraging modern techniques like Server-Side Rendering (SSR) and Content Delivery Network (CDN) delivery. Deeply profile applications using tools like Lighthouse * Data Visualization: Develop performant, interactive charts and visualizations to display real-time financial data and complex market insights * API Integration: Integrate application interfaces with various services, including REST APIs and WebSockets, and expertly manage complex client-side state and caching strategies * DevOps & CI/CD: Configure and maintain CI/CD pipelines for seamless builds, previews, and reliable rollbacks