Senior Backend Architect — Applied AI & Secure Integrations

Zerohash; United States; Remote; USD 150,000 - 210,000; Full time

Benefits offered by this job

Healthcare insurance

Vision and dental coverage

Equity

Parental leave

WeWork access

WFH/L&D stipends

Job summary

Zerohash is seeking a senior backend engineer to reinforce the Applied AI team. You’ll own the access layer, audit logging, and system architecture, enabling secure, verifiable agent actions across platforms.

You’ll design versioned schemas, build authority lease services with kill switches, and ensure tamper-evident auditing by capturing events in hash-chained logs. Remote-friendly, equity offered.

Qualifications

• Senior Python-first backend engineering experience with event-driven systems and CI/CD.
• Experience composing LLM agents into standing systems with deterministic control planes.
• Security-focused in regulated environments (MSB/VASP, banking, or similar).

Responsibilities

• Act as the engineering backbone for the AI team, building the access layer, audit logging, and system architecture.
• Connect company systems securely and produce verifiable records of agent actions.
• Extend the core from read to bounded write with signed mandates and attestation receipts.
• Own the access layer with short-lived tokens, least-privilege access, and zero raw PII.
• Define versioned schemas and build the authority lease service with integrated kill switches.
• Capture events into append-only, hash-chained logs for tamper-evident auditing.

Skills

Python backend

Event-driven systems

CI/CD

LLM agents integration

Security mindset

Job description

Zerohash is seeking a senior backend engineer to reinforce the Applied AI team. You’ll own the access layer, audit logging, and system architecture, enabling secure, verifiable agent actions across platforms.

You’ll design versioned schemas, build authority lease services with kill switches, and ensure tamper-evident auditing by capturing events in hash-chained logs. Remote-friendly, equity offered.