Staff Frontend Engineer

About Control

Control is a private custody platform for digital wealth built for families and individuals who think in generations not market cycles. Multi-chain assets secured organized and accessible for the long term.

Websites:

About the Role

Staff Frontend Engineer to own the production web application end-to-end. Primary frontend engineer on a small team (CTO Conrad 1 full-stack 1 mobile engineer). Urgent backfill greenfield v2 rebuild from the ground up.

Key Responsibilities

- Own the React frontend end-to-end: architecture feature delivery performance and polish

- Translate Figma files into high-quality production-ready interfaces; challenge and improve designs

- Own and evolve the design system and shared component library

- Integrate with for multi-chain wallet connectivity (EVM Solana Bitcoin Cosmos)

- Build transaction signing flows real-time balances portfolio dashboards and asset-management experiences

- Write E2E tests (Playwright) and component tests (Jest React Testing Library)

- Leverage AI tools as a daily force multiplier end-to-end not just autocomplete

Requirements

- 10 years of professional software engineering with frontend ownership track record

- 7 years building production React applications with TypeScript

- Product-oriented mindset must have opinions about what the product should be

- Comfortable owning the entire frontend end-to-end in a small remote team

- AI fluency actively uses AI tools end-to-end

Bonus Skills

- Crypto Web3 or fintech experience (strongly preferred)

- Deep knowledge of Redux Toolkit React Query / TanStack Query

- Experience with Vite TailwindCSS and modern React patterns

- Experience with WalletConnect or similar wallet connectivity

- Understanding of EIP-712 signing transaction lifecycle multi-chain wallet architecture

- Experience with Playwright for E2E testing