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Midjourney

Principal Software Engineer

Midjourney30 Jun 2026
fulltimeonsite
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Job Description

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.

Required Skills

Python

Frequently asked questions

Is the Principal Software Engineer position at Midjourney remote?

The Principal Software Engineer role at Midjourney is an on-site or hybrid position.

What type of employment is the Principal Software Engineer role?

Midjourney is hiring for a full-time Principal Software Engineer position.

What skills are needed for the Principal Software Engineer job at Midjourney?

Key skills for this role include Python.

How do I apply for the Principal Software Engineer position at Midjourney?

You can apply for the Principal Software Engineer role directly through Midjourney's official application link provided on this page.

Interested in this role?

Apply directly on the company's website.

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Midjourney

Midjourney

Website
Posted30 Jun 2026
Typefulltime
LevelLead
LocationSan Francisco
Apply NowView All Jobs at Midjourney

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