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: controlsoftware.co | privatecustody.com About the Role NOTE: Despite the "full-stack" title, this is a mostly frontend-oriented role (not *****).
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 Node.js 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 Dynamic.xyz, Fireblocks, or similar wallet/custody infrastructure - Modern Web3 libraries (ethers.js, viem, Solana Web3.js)
