Senior Full Stack Engineer
- Salary
- $225,000 - $275,000 per year
- Level
- Senior
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 a hands-on senior engineer who owns the customer-facing side of a web application, carrying features from first prototype through release with care for polish and speed. Work side by side with leadership and cross-functional colleagues while raising the bar for code quality and coaching other engineers.
What you'll do
- Design and build full-stack features, including refined user interfaces, dependable APIs and scalable backend services.
- Take product features from early prototype to launch, paying close attention to responsiveness, usability and visual finish.
- Collaborate with product, sales, marketing and leadership to connect third-party generative AI models through their APIs and open up new use cases.
- Translate design mockups into polished, production-ready interfaces.
- Lead large product initiatives from concept to release, including upcoming launches.
- Define coding conventions and quality practices for the team, and coach colleagues through your own example.
Requirements
What we're looking for
- 5 to 10 years of professional experience delivering full-stack web products.
- Industry experience with TypeScript and AWS, including React front ends and Node.js back ends.
- Background building full-stack systems that scale, such as data-heavy processing, search and retrieval, or background job workflows.
- At least 12 months of professional experience building LLM-based or agent-based products at a startup or AI-focused company; personal projects do not count.
- Startup experience; a career spent only at large technology companies is not a fit.
- A portfolio of shipped interfaces or products that demonstrates strong product sense and visual taste.
- Solid computer science fundamentals, including system design, algorithms and application architecture.
- A formal computer science or engineering degree.
- Fluent English for reading, writing and speaking.
- A record as a hands-on technical lead who raises standards and helps mid-level engineers grow.
- Ability to work on-site five days a week in a fast-paced startup and start in the office right away.
Bonus points
- Familiarity with working on media or video technology.
- Experience with consumer-facing generative AI products.
Benefits
Compensation and benefits
- Base salary: USD 225,000 to 275,000 per year
- Equity
- Health, dental and vision coverage
Location and work model
- San Francisco, CA, United States
- On-site, 5 days a week in the office
- Full-time
What this role asks for
Particular to this role
Generative AI
Rare in Raydar's other 299 open postings.
Standard for full stack roles
AWS · JavaScript · Node.js · React · TypeScript
Common in full stack postings at any company.
Compared with Raydar's other open jobs.
Other openings for this role
3 open postings for this role in San Francisco, first posted 23 October 2026. The company is likely hiring for more than one position. None has been taken down and posted again.
- 23 October 2026 – open (this posting)
- 23 October 2026 – open
- 23 October 2026 – open
Salary context
44 other open postings titled Senior Full Stack Engineer state a salary: median USD 160,000 to USD 210,000 a year.
See Full Stack Engineer salaries in San Francisco →
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