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# Principal Software Engineer

- **Company:** Huxley Associates
- **Location:** Walnut Creek, CA, United States
- **Salary:** $175,000.0 - $200,000.0
- **Contract:** Permanent contract
- **Skills:** JavaScript (Programming Language), Software as a Service, Software Construction, Software Systems, Enterprise Software Applications, Information Technology, Production Code, Front End Software Development
- **Published:** September 23, 2026
- **Apply:** https://www.huxley.com/en-gb/job/principal-software-engineer/4072285

## About the Role

* Strong expertise in Python development
 * Proven experience building and scaling software systems
 * Ability to provide technical leadership while remaining hands-on
 * Experience mentoring and developing engineers
 * Strong problem-solving skills and ownership mentality
 * Comfortable working in fast-paced startup environments, * Previous startup experience
 * Experience building SaaS, cloud, platform, or enterprise software products
 * Bachelor's degree in Computer Science or a related field (Master's degree is a plus)
 * Frontend experience with JavaScript is beneficial, * Builders who enjoy coding, not just managing
 * Self-starters who identify problems and drive solutions
 * Engineers who thrive with autonomy and accountability
 * Leaders who can balance technical excellence with team development

## Description

We are seeking a hands-on Principal Software Engineer who thrives in startup environments and enjoys both building software and mentoring engineers.

You will:

 * Lead the design and development of core platform features
 * Write production-quality code and remain deeply involved in implementation
 * Mentor and guide junior engineers
 * Drive technical decisions and engineering best practices
 * Help scale a cutting-edge AI platform from early-stage growth through product expansion
 * Collaborate closely with executive leadership and engineering stakeholders


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