IPolarity
Crypto Digital Asset Custody Blockchain Platms
NEW💰 USD 80,000 - 109,000/yr
Job Description
3h ago
Role: Architect Crypto Digital Asset Custody & Blockchain Platforms
Location: Onshore Austin / Dallas, TX
Experience: 12+ years preferred
Work type: W2 only
Job Summary
**We are hiring an Architect Digital Asset Custody & Blockchain Platforms to define and lead the technical architecture for digital asset custody, tokenization, blockchain infrastructure, wallet services, cryptographic key management, and resilient custody workflows. This is a senior hands-on architecture role operating across blockchain platforms, secure distributed systems, HSM/MPC-based key management, custody policy controls, and production-grade operational resilience.
Key Responsibilities:**
* Define end-to-end architecture for digital asset custody platforms across wallets, blockchains, environments, policy systems, and operational workflows.
* Lead architecture for Layer 1 blockchain integrations, transaction lifecycle handling, finality, forks, reorgs, event propagation, and chain-specific recovery patterns.
* Architect blockchain infrastructure services including indexers, event processors, chain data APIs, observability tooling, and interoperability components.
* Design institutional-grade key management solutions using HSMs, MPC, secure key generation, storage, rotation, signing, recovery, and backup patterns.
* Define wallet architecture for transaction creation, signing workflows, submission pipelines, smart contract interaction, and token standard support.
* Lead architecture for a custody policy engine covering authorization, approvals, limits, segregation of duties, exception handling, auditability, and enforceability.
* Establish disaster recovery and incident response architecture for key recovery, quorum loss, chain events, custody failures, and operational recovery.
* Provide technical leadership across engineering, security, risk, operations, SRE, architecture, and leadership stakeholders.
* Use GenAI and agentic AI tools to accelerate architecture design, threat modeling, protocol analysis, testing, documentation, and reviews while maintaining engineering rigor.
Required Qualifications:
* 12+ years of experience in software engineering, platform engineering, secure systems engineering, or architecture.
* Strong experience designing secure, scalable, observable, and fault-tolerant distributed systems.
* Hands-on experience with blockchain or distributed ledger platforms, especially Layer 1 protocols and transaction lifecycles.
* Experience architecting backend services, APIs, data pipelines, blockchain infrastructure, and observability components.
* Deep understanding of cryptographic systems, secure key management, HSMs, MPC, signing workflows, and custody-grade controls.
* Experience with wallet architecture, custody workflows, transaction controls, and secure blockchain transaction processing.
* Strong understanding of resilience, disaster recovery, incident response, operational risk, and audit-ready system design.
* Programming experience in one or more languages such as Go, Java, Rust, Python, C, or C++.
* Ability to influence technical direction and communicate risk-based architecture trade-offs to technical and non-technical stakeholders.
Preferred Qualifications
* Experience with crypto custody platforms, digital asset platforms, tokenization platforms, or blockchain infrastructure.
* Experience with blockchain indexers, explorers, chain analytics, event processing, and reconciliation systems.
* Familiarity with Web3 security tooling such as Slither, Mythril, and Foundry Fuzzing.
* Experience collaborating with security auditors such as Trail of Bits, Halborn, or similar firms.
* Prior ownership of disaster recovery design, security runbooks, incident response processes, or post-incident remediation.
* Experience applying AI tools to architecture, engineering, documentation, testing, and review workflows.
Primary Skills
* Software Architecture / Platform Architecture
* Blockchain Platform Architecture
* Digital Asset Custody Architecture
* Cryptographic Key Management
* HSM / MPC Architecture
* Wallet and Transaction Workflow Architecture
* Secure Distributed Systems
* Resilience, Observability, and Incident Readiness.
Specialization
* Digital Asset Custody & Blockchain Infrastructure
* Crypto Custody Architecture
* Cryptographic Systems Architecture
* Secure Wallet and Key Management Architecture
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Compensation: $80k - $109k estimated
Location: United States Texas US
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