Senior Engineer, Blockchain Platforms

Job Description

Responsibilities

Layer 1 Blockchain Integration & Platforms

• Integrate the systems with existing Layer 1 blockchains, including Ethereum-based and other enterprise blockchain platforms.
• Evaluate, build, and extend Layer 1 capabilities to support custody, scalability, and resiliency needs.
• Understand transaction lifecycles, finality, forks, reorganizations, and event propagation.
• Ensure blockchain integrations remain reliable under production workloads and stress conditions.

Blockchain Infrastructure Design and build core blockchain infrastructure services, including:

• Indexers and event processors
• Block explorers and observability tools
• Chain data services and APIs
• Cross-chain and interoperability solutions

Additional responsibilities:

• Ensure blockchain data pipelines are accurate, performant, and auditable.
• Support operational tooling for monitoring, troubleshooting, and incident response.
• Wallet Architecture & Development
• Develop blockchain-facing wallet services.
• Build transaction creation, signing, and submission workflows.
• Integrate with custody key management systems, including MPCs, HSMs, and signing services.
• Maintain a clear separation between protocol logic, security controls, and business rules.
• Partner with custody and security teams to validate end-to-end transaction flows.

Custody-Related Blockchain Workflows

• Support on-chain transaction execution.
• Monitor and reconcile blockchain events.
• Develop chain-specific failure handling and recovery patterns.
• Help define secure approaches for interacting with smart contracts and token standards.
• Ensure workflows align with custody policies, approvals, and risk controls.
• Engineering Excellence & AI-Augmented Development
• Build reliable, testable, and observable blockchain services using modern engineering practices.
• Utilize GenAI and agentic AI tools to accelerate:
• Protocol analysis
• Software development and testing
• Documentation and knowledge sharing
• Maintain high engineering standards while leveraging AI to improve speed and efficiency.

Skills and Requirements

• 7+ years of professional software engineering experience.
• Hands-on experience building or integrating blockchain or distributed ledger systems.
• Strong understanding of Layer 1 blockchain protocols and transaction lifecycles.
• Experience developing backend services, APIs, and infrastructure components.
• Proficiency in Go, Java, Rust, Python, or similar programming languages.
• Ability to collaborate effectively across custody, security, and platform engineering teams.
• Experience building blockchain indexers, explorers, or chain analytics platforms.
• Familiarity with wallet architecture and blockchain signing workflows.
• Experience working with crypto custody platforms or security-sensitive financial systems.
• Strong troubleshooting skills in distributed and asynchronous environments.
• Experience using AI tools to support software development.

We are a company committed to creating diverse and inclusive environments where people can bring their full, authentic selves to work every day. We are an equal employment opportunity/affirmative action employer that believes everyone matters. Qualified candidates will receive consideration for employment without regard to race, color, ethnicity, religion, sex (including pregnancy), sexual orientation, gender identity and expression, marital status, national origin, ancestry, genetic factors, age, disability, protected veteran status, military or uniformed service member status, or any other status or characteristic protected by applicable laws, regulations, and ordinances. If you need assistance and/or a reasonable accommodation due to a disability during the application or the recruiting process, please send a request to [email protected].