Product Engineer / Senior Product Engineer
Harnham
San Francisco, CA · Posted November 6, 2026
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November 2026
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Pay compared with the market
This listing does not state pay. Across 33 open product engineer listings that state pay, the middle half runs $180,000 to $262,000 and the median is $210,000.
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Share of this job’s tasks that AI is already used for at work, from real usage. It is not a forecast of job loss, and a low number means no use seen yet. Source: Anthropic Economic Index.
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About the job
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Product Engineer / Senior Product Engineer
Location: San Francisco, CA (Onsite, 5 days/week)
Compensation: $175-275k base (depending on experience)
The Opportunity
We’re partnering with a rapidly growing technology company that’s building AI-powered products to transform how businesses manage complex, time-consuming workflows.
They’re looking for talented Product Engineers to join a highly technical, collaborative team and play a key role in developing and scaling their core platform. This is an opportunity to work in a fast-paced environment where engineers have significant autonomy, direct influence over product decisions, and the ability to see their work make an immediate impact.
With opportunities available across multiple seniority levels, they’re looking for engineers who enjoy taking ownership, solving challenging technical problems, and bringing products from concept through to production.
The Role
Design, develop, and deliver end-to-end product features across frontend and backend systems.
Take ownership of the full product development lifecycle, from initial concept and prototyping through deployment and iteration.
Build and enhance AI-powered applications that automate complex business processes.
Collaborate closely with internal stakeholders and end users to translate business challenges into technical solutions.
Develop scalable, reliable systems while maintaining high standards for code quality and performance.
Work in an agile, high-ownership environment where speed, creativity, and practical problem-solving are valued.
Requirements
6+ years of professional software engineering experience, with flexibility depending on level.
Strong proficiency in TypeScript and experience building full-stack applications.
Demonstrated experience developing and shipping customer-facing products.
Experience owning projects or features end-to-end, ideally within a startup or fast-growing technology environment.
Strong understanding of software architecture, scalability, and engineering best practices.
Excellent communication skills and a product-focused mindset.
Comfortable working in a fast-paced environment with evolving requirements.
Willingness to work onsite in San Francisco five days per week.
Nice to Have:
Experience with Python.
Exposure to AI/LLM-powered applications or workflow automation.
Experience building 0-to-1 products or scaling early-stage platforms.
Why Apply?
Join a growing technology company developing innovative AI-powered solutions.
Take meaningful ownership of products and technical decisions.
Work alongside a talented, experienced engineering team.
Build products that solve real-world problems and deliver measurable customer impact.
Competitive compensation package including equity and comprehensive benefits.
If you’re a product-minded engineer who enjoys building, shipping, and owning impactful technology, we’d love to hear from you.
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