[İş Radarı](https://jobradar.live/) / [Jobs](https://jobradar.live/ilanlar) / Principal Software Engineer

Active
On-site
San Francisco, California, United States
Posted · 30.06.2026
Ashby (US)

# Principal Software Engineer

Midjourney

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.

This job was verified from Ashby (US). Applications are completed on the original source.

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