The Role
Principal Frontend Engineer responsible for architecting and maintaining a high-performance, real-time trading web application using React, Next.js, TypeScript, and Jotai. The role owns frontend features, optimizes mobile performance, manages real-time data and WebSockets, ensures code quality, and partners with founders and leadership on technology, product, and feature decisions. Experience building interactive trading platforms, particularly in DeFi, is required.
Summary Generated by Built In
This is a remote position.
A leading non-custodial trading and data platform pushing the boundaries of on-chain trading technology is opening q Principal Engineer role. The company offers a unified base of operations, a place where users retain custody of their funds, data is live and accurate, with nearly instant execution and accurate pricing, simple and powerful charting and accessible in every market.
As the Principal Frontend Engineer with deep, broad experience around building highly performant, real-time, interactive frontends for trading-focused web apps, you will play a key role and be expected to be a subject matter expert in this area for the company's Trading product. The Founders and team will lean heavily on your past experience as a First-or-Founding Engineering to propel the product as they expand their offerings and grow our user base.
Joining the team offers you the chance to work on products that already serve a large and active user base, collaborating with top-tier engineers in a fast-paced and dynamic environment. It also means having fast paced releases with your work being live in the hands of tens of thousands of users as soon as it’s complete.
MISSIONS
Architect, Build, and Maintain: Create, develop, and maintain a responsive and user-centric web app with React/NextJS, TypeScript, and Jotai.
Own and Take Initiative: Own new features, improve existing features, and take initiative in the iterative development process of the company's products
Optimize for Speed: Implement best practices to maintain the app’s fast and responsive performance, especially on mobile devices.
Problem-Solve with Impact: Tackle complex challenges with effective, innovative solutions that enhance user experience.
Champion Code Quality: Ensure clean, maintainable, and well-documented code, contributing to a sustainable development environment.
Engage in Real-Time Features: Support the integration of real-time data and enhance user interactions for trading functionalities
Requirements
Experience: Founder, First Engineer, or Lead experience at a significant, reputable DeFi project building with React/NextJS, Typescript, and Jotai
Trading Platforms: Must have experience where you have owned and built the frontend of a real-time, highly interactive trading platform
Self-Motivation and Autonomy: Proven ability to work independently and take initiative with a proactive mindset to push tasks forward
Leadership Insight: Must have experience working alongside leadership and founders to make key decisions about the frontend of a trading web app including, but not limited to, tech stack, product design, and feature design.
Technical Excellence:
Expertise in creating fast, dynamic and optimized web interfaces
Comfort with real-time data handling and websocket management
Innovative Thinking: Adept at identifying potential challenges or improvements and implementing effective solutions promptly
Clear Communication: Strong ability to articulate ideas and collaborate effectively with team members
Interest in DeFi: A genuine curiosity and understanding of cryptocurrency and trading trends
Pride: We look for people who take deep pride and responsibility in the products they build. Crypto moves at breakneck speed, and only the most driven, fast-moving teams succeed.
Team Collaboration:
Strong communication skills to work effectively within a cross-functional team.
Experience working within a mid-sized engineer team.
Nice-To-Haves
Passion or experience in on-chain trading; being a part-time trader on Solana is a plus.
Benefits
- Contract : Permanent role (Remote) EU countries or US (EST times)
- Remote Flexibility: Work from anywhere on your schedule
- Salary: 200 k to 300k USD per year on a full-time permanent work contract.
- Benefits: healthcare and life insurance, retirement plan, sponsored transportation, gym, lunch card, home office equipment, and other perks.
Recruitment process :
Recruiter / HR Call
Technical Interview
Founder / CEO Interview
Skills Required
- Founder, First Engineer, or Lead experience at a significant, reputable DeFi project
- Experience building with React, Next.js, TypeScript, and Jotai
- Experience owning and building the frontend of a real-time, highly interactive trading platform
- Ability to work independently, take initiative, and proactively move tasks forward
- Experience working alongside leadership and founders to make frontend technology, product design, and feature decisions
- Expertise creating fast, dynamic, and optimized web interfaces
- Comfort handling real-time data and managing WebSockets
- Ability to identify challenges and implement effective solutions promptly
- Strong communication and cross-functional collaboration skills
- Experience working within a mid-sized engineering team
- Interest and understanding of cryptocurrency and trading trends
- Passion or experience in on-chain trading
- Part-time trading experience on Solana
Am I A Good Fit?
Get Personalized Job Insights.
Our AI-powered fit analysis compares your resume with a job listing so you know if your skills & experience align.
Success! Refresh the page to see how your skills align with this role.
The Company
What We Do
The company is a Web3 trading business building a builder-code product on Hyperliquid. Its decentralized technology aims to broaden access to global financial markets spanning crypto, equities, commodities, and other assets. The platform supports on-chain perpetuals trading and has processed more than $65 billion in cumulative volume with over 400,000 registered traders, while scaling backend infrastructure, APIs, data pipelines, real-time delivery, and databases.
