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# Principal Engineer, Frontend - DeFi

- **Company:** Career Renew
- **Location:** Miami, FL, United States (Remote available)
- **Salary:** $200,000 - $300,000
- **Contract:** Permanent contract
- **Skills:** Web Interfaces, Software Quality, Next.js, TypeScript, Web Applications, ReactJS, Real Time Data, Front End Software Development
- **Published:** October 23, 2026
- **Apply:** https://www.thejobnetwork.com/job/62342d27-5e60-474e-b29c-46d33c0cd5de/principal-engineer-frontend-defi

## About the Role

* 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.

## Description

* 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 Trojan Trading 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.