# Principal Engineer > Raydar · San Francisco, United States · Full-time · Posted 2026-10-12 **Salary:** USD 335,000–375,000 **Workplace:** on_site ## Description About the company Our client is a fast-growing software company. The role Raydar is recruiting for this role on behalf of our client. Act as the top individual-contributor engineer, responsible for the design, engineering standards and delivery of a major area of a software platform. The work blends hands-on development with technical mentorship and regular collaboration with executives and product counterparts. What you'll do \- Take full accountability for a major technical area, covering its design, quality expectations and results. \- Design and write production code alongside your teammates to set the engineering bar by example. \- Join recurring leadership discussions and work with a product partner as a peer to achieve business goals. \- Coach and support engineers and team leads, strengthening their skills while remaining a hands-on contributor. \- Review and ship work while safeguarding quality and pace across multiple engineering groups. \- Encourage AI-first habits by building on current AI models and bringing consistency to the AI-assisted development tools the teams use. \- Contribute to a range of platform areas, such as runtime services, intelligent agents, integrations and data infrastructure. ## Requirements What we're looking for \- A decade or more of engineering experience delivering critical systems that run in production at significant scale. \- Solid skills in software design, reviewing technical architecture and writing code yourself. \- A record of launching new products from the ground up and carrying responsibility for an entire area of the system. \- Daily, in-depth use of current AI-assisted development tools. \- At least 2 years of recent experience at a growth-stage startup; a background at a large technology company is also welcome. \- Sound engineering fundamentals, ideally with Node.js and Python. \- Bachelor's degree in Computer Science or a related STEM field. \- Ability to work on-site 5 days a week. Bonus points \- Experience as a technical founder or founding engineer. \- Familiarity with conversational or voice AI, or with financial services technology. \- Articles, conference presentations or open-source contributions related to AI or platform engineering. ## Benefits Compensation and benefits \- Base salary: USD 335,000 to 375,000 per year \- Equity \- Health, dental and vision coverage \- Retirement plan \- Flexible time off \- Paid parental leave \- Mental health and wellness benefits \- Family benefits Location and work model \- San Francisco, CA, United States \- On-site, 5 days per week in office \- Full-time ## Apply [Apply at Raydar](https://apply.workable.com/raydar/j/0D9B29088C/apply) --- Powered by [Workable](https://www.workable.com)