Tech Lead Investment and Growth
Tangem is a hardware wallet company that lets users store, buy, swap, stake, and spend crypto using NFC-enabled card and ring-shaped devices.
Funding history
About Tangem
Tangem builds hardware wallets for users who want to self-custody digital assets without relying on exchanges or custodians. Users can store, send, receive, swap, stake, and spend crypto across multiple blockchain networks using NFC-enabled card or ring-shaped devices paired with a companion mobile app. The wallets use a secure element chip, require no batteries or cables, and offer a seedless backup system using multiple physical cards.
Skills
About the Role
You will own technical direction and end-to-end delivery for investment and growth workstreams, including swaps, on-ramps, staking, yield, RWA, prediction markets, and trading-venue integrations. You will design resilient transaction lifecycles, contribute and review code, debug production incidents, manage provider relationships, and lead engineers, hiring, on-call, and incident response.
Requirements
- 8+ years of engineering experience
- 3+ years leading teams of five or more engineers shipping consumer products
- Current hands-on coding, code-review, and end-to-end transaction-debugging ability
- Practical multi-chain experience with EVM and at least one of Solana, TON, Bitcoin/UTXO, or Cosmos
- DeFi integration experience with DEX aggregation and routing, staking, or yield vaults
- Production exchange API integration experience using REST and WebSocket
- Knowledge of money-movement correctness, including idempotency, exactly-once semantics, reconciliation, state machines, and observability
- Experience shipping with iOS and Android teams
- Experience owning release calendars across parallel workstreams
- Experience managing technical relationships with third-party providers
Responsibilities
- Own end-to-end delivery across Grow sub-streams, including scope, estimates, dependencies, releases, and launches
- Plan capacity and negotiate trade-offs across iOS, Android, and backend workstreams
- Manage dependencies with platform, Store, and Spend streams
- Report delivery status, risks, and forecasts to the CTO
- Own the provider layer for swap, on-ramp, staking, and venue integrations
- Design transaction lifecycle handling for money-moving flows
- Write integration code, review risky pull requests, and debug production incidents
- Evaluate and onboard aggregators, on-ramp providers, staking providers, exchanges, and perpetual venues
- Lead engineers through assignment, growth, feedback, and hiring
- Own on-call and incident response for systems involving user funds
- Develop team expertise in execution, settlement, and custody
Benefits
- Remote work from anywhere in the world
- Unlimited vacation
- Birthday presents
- Compensation for necessary technical devices
- Paid sick leave
