# Senior/Principal Software Engineer at Endurance Energy

- Company: Endurance Energy
- What the company does: Backed by First Round Capital.
- Company website: https://enduranceenergy.com
- Type: Startups
- Level: Principal and up
- Location: Seattle, WA
- Work setup: On-site
- Pay: $200K to $250K base salary per year (USD)
- Posted: 2026-10-05
- Apply by: 2026-11-19
- Apply: https://jobs.ashbyhq.com/endurance-energy/60606623-84a3-4dc1-bb57-1eacdac0a20d?utm_source=1752vc&utm_medium=careers
- Page: https://www.1752.vc/careers/jobs/endurance-energy-senior-principal-software-engineer/

## About the role

Design and build the software ecosystem that powers testing across Endurance, from component qualification through full integrated system validation. Architect and implement hardware-in-the-loop (HITL) and simulation environments that allow firmware and controls software to be tested under realistic operating conditions and failure scenarios. Found on 1752vc Careers, the job board for startup and VC roles.

## What they're looking for

- 5+ years of software engineering experience
- Strong software engineering skills in Python, Rust, C++, C, or similar languages
- Demonstrated ability to ship production software end-to-end, from architecture through deployment and operation
- Track record building software for hardware systems, including automated testing, hardware-in-the-loop (HITL), industrial controls, robotics, aerospace, automotive, or other complex electromechanical products
- Technical fluency strong enough to hold credibility with mechanical, electrical, firmware, and systems engineers
- Ability to work onsite in Seattle and travel to deployment sites as required

Tags: Engineering

Source: 1752vc Careers, https://www.1752.vc/careers/jobs/endurance-energy-senior-principal-software-engineer/