Senior Software Engineer

Employment Type: Full-Time, Permanent

About the Opportunity

We are partnering with an innovative, well-funded Series B startup in San Francisco that is building cutting-edge AI-powered technology and rapidly expanding its engineering team. This is an exciting opportunity for a talented Senior Software Engineer to join a high-calibre team and make a meaningful impact on the company’s products, architecture, and technical direction.

What You’ll Do

• Design, develop, and deploy scalable, production-grade software solutions using Python.


• Build and improve AI agents and agent-based workflows.


• Take ownership of complex technical projects from concept through production.


• Collaborate closely with engineering, product, and business teams.


• Contribute to architectural decisions, code reviews, and engineering best practices.


• Solve challenging technical problems in a fast-moving startup environment.


• Build reliable systems that can scale alongside the company’s growth.

Required Qualifications

• 2–6 years of strong professional software engineering experience.


• Hands-on experience developing or working with AI agents and agentic systems.


• Strong Python programming experience, including building production-grade applications.


• Experience working within a well-funded Series A, B, C, D, or E startup is strongly preferred.


• Demonstrated career stability, professional growth, and meaningful ownership in previous roles.


• Strong computer science fundamentals, system-design skills, and software-engineering best practices.


• Bachelor’s or advanced degree in Computer Science, Engineering, or a related technical discipline, ideally from a top-30 U.S. university.


• Ability to succeed in a fast-paced, highly collaborative, and ownership-driven startup environment.


• Excellent problem-solving, communication, and teamwork skills.


• Currently located in the San Francisco Bay Area or willing to relocate.

Why Join?

• Join an ambitious Series B startup during an exciting stage of growth.


• Work alongside a talented, mission-driven engineering team.


• Take ownership of high-impact AI projects and influence the company’s technical direction.


• Build innovative technology that solves meaningful, real-world problems.


• Benefit from strong opportunities for professional development and long-term career growth.

Please note: This is a full-time, permanent position requiring employees to work onsite in San Francisco five days per week. Candidates must be based in the San Francisco Bay Area or willing to relocate.