Posted yesterday
Blockchain Wallet Engineer (Rust)
@ Mamoru
Toronto, Ontario
Overview
Mamoru is hiring a Blockchain Wallet Engineer in Toronto to build and run multi-chain wallet and custody systems for its trading desk. The work covers hot, warm and cold wallets, secure signing and key management, and automated transfers across EVM, Solana, BTC and TRON. The role is full-time and requires 3+ years of production wallet or custody experience.
Responsibilities:
- Build hot, warm and cold wallets across multiple chains
- Implement secure signing and key management
- Automate deposits, withdrawals and transfers
- Monitor and reconcile on-chain and exchange balances
- Own wallet security and incident response
Requirements summary:
- Rust (must-have)
- 3+ years building wallet or custody systems in production
- Multi-chain experience including one non-EVM chain
- Hands-on MPC/TSS, multisig or HSM signing
- Bachelor's degree in CS, Engineering or related field
Tools & skills
Source and dates
Employer career site / ATS feed · jazzhr
- Employer posting date
- 2026-11-09
- First seen by our source
- 2026-11-10
- Source record updated
- 2026-11-10
These dates describe the source record, not a live verification that the employer is still hiring. Check the original posting.
Job details
| Seniority | Mid level |
| Department | Software development |
| Experience | 3+ years |
| Hours per week | 40 (estimated) |
| Work setting | Office |
| Position | Mostly sitting |
| Physical demands | physical low · computer high |
| Languages | English |
| Education | Bachelor’s degree (required) |
| Fields of study | Computer Science, Engineering |
Summary and details written by AI from the posting; the employer’s posting is the authority.
Mamoru
| Field | Value |
|---|---|
| Open jobs on Jobsy | 1 |
Location: Toronto, Canada
About the role
Build and run the multi-chain Blockchain wallet and custody systems for our trading desk: keep funds safe and move them fast between wallets, exchanges and chains.
What you’ll do
- Build hot / warm / cold wallets across EVM, Solana, BTC, TRON.
- Implement secure signing and key management: MPC/TSS, multisig, HSM.
- Automate deposits, withdrawals and transfers, with whitelists and approval workflows.
- Handle transaction construction, nonces, gas, stuck or failed transactions and reorgs.
- Run nodes and RPC connections.
- Monitor and reconcile on-chain and exchange balances, and raise alerts on anomalies.
- Own wallet security and incident response.
Requirements
- Rust (must-have). Go, C++ or Python is a plus.
- 3+ years building wallet, custody or payment systems in production.
- Multi-chain: EVM plus at least one non-EVM chain.
- Hands-on MPC/TSS, multisig or HSM signing.
- Nodes, RPC, reorg and confirmation handling.
- Bachelor’s degree in CS, Engineering or a related field.
Strongly preferred
- Wallet experience at an exchange, custodian or trading firm.
- Exchange deposit/withdrawal APIs, cross-chain bridges.
- Solidity / smart contracts.
Journal
Only you can see this. Kept on this device, and in your account when you sign in.