Senior Software Engineer: AI Systems & Scalable Apps (SF)

Stealth Startup; San Francisco (CA); On-site; USD 150,000 - 210,000; Full time

Job summary

Stealth Startup in San Francisco is seeking a Senior Software Engineer to design, build, and deploy scalable software. You will own projects from concept through production, work on AI agents and agent-based workflows, and collaborate with product, business, and engineering teams.

The role demands strong Python production-grade experience, a CS background, and ambition to drive architecture and best practices in a fast-moving startup.

Qualifications

• 2–6 years of professional software engineering experience.
• Hands-on with AI agents and agentic systems.
• Strong Python production-grade development experience.
• Experience in a well-funded Series A–E startup preferred.
• Demonstrated ownership and career growth in previous roles.
• Solid CS fundamentals, system design, and best practices.
• BS/BA or higher in CS, Engineering, or related field.

Responsibilities

• Design, develop, and deploy scalable production-grade software using Python.
• Build and improve AI agents and agent-based workflows.
• Own complex technical projects from concept to production.
• Collaborate with engineering, product, and business teams.
• Contribute to architectural decisions, code reviews, and best practices.
• Solve challenging problems in a fast-moving startup.
• Build reliable systems that scale with company growth.

Skills

Python programming

AI agents experience

System design

Communication

Teamwork

Ownership

Education

Bachelor's or advanced degree in Computer Science or Engineering

Job description

Stealth Startup in San Francisco is seeking a Senior Software Engineer to design, build, and deploy scalable software. You will own projects from concept through production, work on AI agents and agent-based workflows, and collaborate with product, business, and engineering teams.

The role demands strong Python production-grade experience, a CS background, and ambition to drive architecture and best practices in a fast-moving startup.