Founding Engineer

Founding Engineer - High-Growth DeFi Mobile Trading App

Location: Remote - US Remote (Must be able to travel to NYC 2 weeks at a time, every 1-2 months for in person collaboration)

Compensation: $200K - $300K

We are a rapidly growing mobile app—the “Robinhood for DeFi”—that allows anyone to trade cryptocurrencies on-chain through a user-friendly interface. Since our launch, we have attracted 1.5+ million users. We are a lean, mission-driven team dedicated to making decentralized finance open and accessible to the world. We are looking for a Founding Engineer to assume a hands-on role in designing, building, and maintaining the production features that power our platform.

You will have end-to-end feature ownership across both our mobile and backend systems, shaping the core user experience for millions of users. This role demands rapid iteration, a security-first mindset, and the ability to design robust, scalable features. You will be a decision-maker and implementer, directly influencing the technical direction of the company.

What You'll Be Doing:

• Product Ownership: Design, build, and ship delightful, high-impact features end-to-end across mobile (Flutter) and backend (Go), shaping the core user experience.
• Rapid Iteration: Collaborate closely with design, product, and growth teams to prototype, test, and launch new ideas quickly, ensuring we ship often and learn fast.
• User-Centric Development: Dive deep into user feedback and product analytics to inform decisions, continuously prioritizing usability and performance.
• Cross-Platform Engineering: Own full-stack features from Flutter frontends to Go backends, ensuring clean architecture and high performance across iOS and Android.
• Quality & Reliability: Uphold engineering best practices, write high-quality code with strong test coverage, and foster a security-first culture.

• Experience: 2–4+ years in Product Engineer or Design roles, preferably at high-growth mobile apps or in Web3/crypto.
• Problem-Solving: Ability to design and develop end-to-end features that are robust, scalable, and cost-effective.
• Product Sense: Deep knowledge of design systems and consumer behavior.
• DeFi Passion: Strong interest or experience in crypto/blockchain. You are excited to bring on-chain products to the masses.
• Tech Stack Familiarity: Experience with or eagerness to learn our stack: Flutter, Go, Postgres, Kubernetes, and Solana.

Preferred Experience (Nice-to-Haves):

• 2–4 years of experience working on consumer mobile apps, preferably financial apps.
• Previous experience at a company during a rapid growth phase (e.g., startup to mid-size).
• Hands-on experience with blockchain technologies (e.g., Solana, Ethereum, L2s).
• Expertise in designing and implementing robust security architectures and protocols.