Blockchain Platforms Engineer

Core AI Consulting Inc; San Francisco (CA); On-site; USD 150,000 - 210,000; Full time

Job summary

Core AI Consulting Inc. seeks a Senior Engineer - Blockchain Platforms to build and integrate blockchain infrastructure for custody and tokenization.

You will work on Layer-1 integration, wallet services, and cross-chain components, collaborating with custody, security, and platform teams to deliver secure, observable, production-ready systems in a fast-paced environment.

Qualifications

• 7+ years of professional software engineering in blockchain or distributed ledgers.
• Strong understanding of Layer-1 protocols and finality.
• Backend services, APIs, and event-driven systems expertise.
• Experience with wallet architecture and signing workflows.
• Familiar with cross-chain interoperability and token standards.
• Experience integrating with MPC/HSM custody platforms.
• Ability to collaborate across multiple teams.
• Proficient in Go, Java, Rust, or Python.

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.

Skills

Blockchain integration

Backend services

Event-driven systems

Wallet architecture

Cross-chain interoperability

Programming languages: Go/Java/Rust/Py

Troubleshooting distributed systems

Team collaboration

Tools

MPC

HSM

Key management systems

Job description

Role Overview

We are seeking a Senior Engineer - Blockchain Platforms to build and integrate the blockchain infrastructure supporting digital asset custody and tokenization platforms. This hands-on role focuses on Layer-1 blockchain integration, core infrastructure services, wallet engineering, and custody-related blockchain workflows. The engineer will collaborate with custody and security teams to ensure blockchain interactions are secure, reliable, observable, and production-ready.

Location

Austin/Dallas/Charlotte/Bay Area

Key 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.

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.
• Proficiency with blockchain indexers, explorers, chain analytics, or on-chain data platforms.
• Proficiency in wallet architecture, transaction signing, and blockchain submission workflows.
• Strong expereince with smart contracts, token standards, and cross-chain interoperability.
• Proficiency with integrating with MPC, HSM, key management, or digital asset custody platforms.
• Strong troubleshooting skills in distributed, asynchronous, and security-sensitive environments.
• Ability to collaborate effectively across engineering, custody, cybersecurity, risk, and platform teams.
• Strong experince in Go, Java, Rust, Python, or a comparable programming language.
• Experience using generative or agentic AI tools to support complex software engineering workflows is beneficial.