Raydar

Principal Engineer

San Francisco
Salary
$335,000 - $375,000 per year
Level
Principal

Not stated in the posting: work type, visa.

Open. First seen 23 October 2026.

About the role

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

What this role asks for

Particular to this role

JavaScript · Node.js

Rare in Raydar's other 299 open postings.

Standard for software engineering roles

Python

Common in software engineering postings at any company.

Compared with Raydar's other open jobs.

Salary context

14 other open postings titled Principal Engineer state a salary: median USD 189,120 to USD 232,650 a year.

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