Senior/Staff Founding Full-Stack Engineer – Agent Systems

Senior/Staff Founding Full-Stack Engineer – Agent Systems

San Francisco, California
Full-time | On-site, 5 days/week

$200,000–$300,000/year

About People Hive HR

People Hive HR is an international HR consultancy supporting businesses with recruitment, executive search, strategic HR and people solutions across the Middle East, Europe and APAC.

We partner with companies across different industries to connect them with the right talent, from specialist and technical positions to senior leadership roles.

About the Role

People Hive HR is supporting one of our clients in the recruitment of a Senior/Staff Founding Full-Stack Engineer – Agent Systems based in San Francisco.

This is a senior founding engineering opportunity for someone who has built and operated complex production systems and wants to take significant ownership of architecture, infrastructure and product development in an AI-focused environment.

Key Responsibilities

• Design, build and operate complex production systems
• Own major areas of backend and systems architecture
• Build scalable infrastructure supporting agent-based systems
• Develop reliable APIs, workflows and platform capabilities
• Work across backend, infrastructure and product-facing engineering
• Make key technical and architectural decisions as part of an early engineering team
• Work closely with founders and other engineers to take products from concept to production

What We’re Looking For

• 4+ years of professional software engineering experience
• Proven experience designing and operating complex production systems
• Strong backend engineering and systems architecture expertise
• Experience building scalable, reliable software in production
• Comfortable taking significant ownership in a fast-moving environment
• Able to work on-site in San Francisco, Monday to Friday

Experience with security, IAM/authorization, workflow orchestration, multi-tenant SaaS or AI infrastructure is a strong advantage.

What’s Offered

• $200,000–$300,000 annual salary
• Founding-level engineering opportunity
• Significant technical ownership and influence
• Work on advanced AI/agent infrastructure
• Visa sponsorship available for qualified candidates, including H-1B, O-1 and OPT

How to Apply

Apply directly through Indeed with your updated CV.

You may also send your CV to [email protected] with “Senior/Staff Founding Full-Stack Engineer – Agent Systems” as the subject line.

Due to the volume of applications, only shortlisted candidates will be contacted.

About People Hive HR

People Hive HR provides recruitment, executive search and strategic HR solutions to businesses across international markets.

We believe in keeping recruitment straightforward: understanding what the business actually needs, identifying the right people, and creating a better fit for both sides.

Pay: $200,000.00 - $300,000.00 per year

Benefits:

• Visa sponsorship

Work Location: In person