Senior Blockchain Platform Engineer: Scale & Custody

Core AI Consulting Inc; San Francisco (CA); On-site; USD 130,000 - 200,000; Full time

Job summary

Core AI Consulting Inc. is seeking a Senior Engineer – Blockchain Platforms in San Francisco to build and integrate the blockchain infrastructure for custody, tokenization, and related workflows.

You will own Layer-1 integration, wallet services, and cross-chain components while collaborating with custody and security teams to ensure production-ready reliability. You will design scalable backend services, observability, and data pipelines, and apply AI-enabled tooling to accelerate protocol

Qualifications

• 7+ years of professional software engineering hands-on experience building or integrating blockchain, cryptocurrency, or distributed ledger systems.
• Strong understanding of Layer-1 protocols, transaction lifecycles, finality, forks, reorganizations, and event propagation.
• Proficiency in developing backend services, APIs, event-driven systems, and infrastructure components.

Responsibilities

• Integrate enterprise platforms with Layer-1 blockchains and evaluate protocols based on custody, scalability, security, and resilience requirements.
• Design and build blockchain infrastructure services, including indexers, event processors, chain-data APIs, observability tools, and cross-chain components.
• Develop wallet services and transaction pipelines covering transaction creation, signing, submission, monitoring, and reconciliation.
• Integrate wallet services with MPC, HSM, key management, and signing platforms.
• Design for chain-specific conditions such as finality, forks, reorganizations, network congestion, and transaction failures.
• Develop safe patterns for interacting with smart contracts, token standards, and blockchain networks.
• Ensure blockchain data pipelines and services are accurate, scalable, testable, observable, and auditable.
• Support troubleshooting, incident response, failure recovery, and root-cause analysis across distributed blockchain environments.
• Use generative and agentic AI tools to accelerate protocol analysis, development, testing, documentation, and knowledge sharing.

Job description

Core AI Consulting Inc. is seeking a Senior Engineer – Blockchain Platforms in San Francisco to build and integrate the blockchain infrastructure for custody, tokenization, and related workflows.

You will own Layer-1 integration, wallet services, and cross-chain components while collaborating with custody and security teams to ensure production-ready reliability. You will design scalable backend services, observability, and data pipelines, and apply AI-enabled tooling to accelerate protocol