Senior Blockchain Engineer
Cari Network is a permissioned, blockchain-based tokenized-deposit network connecting chartered banks with decentralized finance. It is designed for always-on, programmable money movement and real-time transfers of digital value represented by USD-denominated deposit tokens.
About Cari Network
Cari Network provides bank-governed blockchain infrastructure for programmable payments. Its tokens represent deposits held at participating chartered banks, while the platform integrates with existing banking systems and supports conversion between tokenized deposits and fiat. The company emphasizes bank-grade security, regulatory compliance, transparency, auditability, and applicable FDIC-insurance eligibility for underlying deposits.
Skills
Candidate Availability
Required and preferred rules are kept separate and reflect the wording in the original posting.
About the Role
Own the payment transaction domain, design signing pipeline architecture, define production readiness standards, lead incident response, maintain payment integrity controls, extend Solidity smart contracts, manage custody authorization integrations, implement audit trails, drive asynchronous transaction queue design, and mentor engineers.
Requirements
- 5–7 years of backend software engineering experience
- At least 3 years working directly on EVM-compatible blockchain systems
- TypeScript
- Effect or a comparable functional effect system
- EVM transaction mechanics
- ABI encoding
- Nonce management
- Gas estimation
- Revert handling
- Event decoding
- Solidity smart contract development
- Upgradeable proxy patterns
- OpenZeppelin contract libraries
- Institutional custody APIs
- Key management APIs
- MPC signing infrastructure
- Idempotency
- At-least-once delivery
- Crash recovery
- Reconciliation
- Async transaction systems
- Independent domain ownership
- Technical design documentation
Responsibilities
- Own the end-to-end transaction lifecycle
- Design the signing pipeline architecture
- Write RFCs for the signing pipeline
- Define production readiness standards
- Lead incident response and root-cause analysis
- Build payment integrity controls
- Extend and harden Solidity smart contracts
- Maintain custody authorization policy integration
- Maintain the co-signer agent
- Implement structured audit trails
- Drive asynchronous transaction queue design
- Mentor engineers
- Advise on EVM transaction mechanics and custody integration
- Assess scope and timeline risks
Benefits
- Medical insurance
- Vision insurance
- Dental insurance
- 401(k) matching program
- Flexible vacation policy
- Remote-first work environment
- Equity
Hiring Process
Send a resume by email, include any additional information, and answer whether you are legally authorized to work in the United States and whether you will require sponsorship to maintain work authorization.