Crossmint

Full-stack Engineer

• Own the technical roadmap and strategy for programmable smart-wallet infrastructure across EVM, Solana, and Stellar
• Lead a team of 6 engineers and establish engineering standards
• Design and deliver on-chain wallet primitives, including smart-contract signers, recovery signers, delegated signer permissions, gas sponsorship, wallet creation billing, device signers, and multi-chain transaction orchestration
• Lead technical direction for wallet products serving enterprise and agentic-payments customers
• Coordinate with GTM, CSE, and Product teams to align roadmap priorities with commercial requirements
• Establish code quality standards, PR review guidelines, AI-assisted development workflows, sprint planning, retrospectives, and technical documentation
• Set up and maintain Datadog observability dashboards for success rates, latency, and transaction throughput
• Manage onboarding, performance coaching, and technical mentoring for 6 direct reports
• Represent the Wallets team in cross-functional planning, product updates, architecture reviews, and partner technical calls
• Write and merge production code across wallet signer authorization, EVM UserOperation bundler flows, Solana fee estimation, Stellar smart-contract infrastructure, card-collateral top-ups, and web/mobile SDK fixes

Explore Engineering Lead, Wallets at Crossmint. Review requirements and application details.