Staff Full-Stack 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

NOTE: Despite the full-stack title this is a mostly frontend-oriented role (not 50/50). Day-to-day skews frontend but solid backend knowledge is needed to cover gaps and ensure seamless integration. Greenfield v2 rebuild: new architecture new stack new standards.

Key Responsibilities

- Design and build backend APIs and services for wallet management transaction signing asset tracking and portfolio operations

- Own PostgreSQL schema design modeling financial and blockchain data

- Build and maintain blockchain interaction layers for EVM chains Solana Bitcoin Cosmos

- Implement webhook handlers background jobs and async workflows

- Design systems that handle concurrency idempotency and failure recovery

- Support frontend integration wire React components to production API endpoints

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

Requirements

- 10 years of professional software engineering with technical leadership track record

- 8 years working with TypeScript across both and React environments

- Product-oriented mindset must think about why not just what

- Experience handling concurrency idempotency and failure recovery in financial/payment systems

- Comfortable owning features end-to-end in a small remote team

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

Bonus Skills

- Crypto Web3 or fintech backend experience (strongly preferred)

- Deep experience with PostgreSQL (schema design indexing query optimization ORMs)

- AWS infrastructure (EC2 Lambda ECS RDS S3 Terraform CDK)

- Familiarity with Fireblocks or similar wallet/custody infrastructure

- Modern Web3 libraries ( viem Solana )