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Principal Software Engineer

Midjourney

$268,000 – $279,000 a year

Location
San Francisco, CA · On-site
Benefits
$268,000 – $279,000 a year
Format
Not stated
Eligibility
Not stated
Origin
Ashby
Verification
Details from a source we could read
Lifecycle
Open
Deadline
No deadline provided
Still open?

Evidence · 1 source

The posting

From Midjourney’s Ashby board, as written by the employer.

What you’ll do

  1. Act as the technical lead for large parts of the scanner platform: system architecture, codebase structure, and long-term maintainability.
  2. Own core runtime foundations: distributed control, state management, fault handling, and reliability.
  3. Drive engineering rigor: testability, code quality, review standards, performance regression prevention, and release processes.
  4. Build robust observability: logs, metrics, traces, and replayable diagnostics (with privacy constraints).
  5. Collaborate with hardware and recon/ML teams to define interfaces, data contracts, timing/synchronization, and failure modes.
  6. Lead complex refactors (e.g., message passing / RPC boundaries, modularization, concurrency model) without halting forward progress.

What we’re looking for

  • Deep software architecture experience for real-world systems: robotics, instrumentation, medical devices, or other complex distributed products.
  • Strong Python and concurrency background (asyncio, multiprocessing, profiling, performance engineering).
  • Track record of shipping systems that are observable, debuggable, and resilient.
  • Strong technical leadership: clarity, pragmatic trade-offs, and mentoring.

Useful experience

  • Building but rock-solid systems: clear interfaces (gRPC/protobuf or equivalent), strong state modeling, and failure handling.
  • High-leverage engineering habits on a lean team: good tests, CI, reproducible dev environments, and fast code review.
  • Practical performance + concurrency work in Python (asyncio, profiling, multiprocessing) and comfort debugging distributed behavior.
  • Security-minded device software: safe defaults, encrypted data paths, and disciplined handling of PII/PHI.
  • Operational thinking: remote updates/management, excellent logging, and diagnostics that make real hardware debuggable.

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