Staff AI Systems Engineer: Backend & Agent Frameworks

Tellius; San Francisco (CA); On-site; USD 120,000 - 160,000; Full time

Benefits offered by this job

Work at the cutting edge of AI

Small team with big ownership

Collaborative team environment

Job summary

A leading AI technology firm in San Francisco is seeking a Staff Software Engineer to join their AI team. In this high-impact role, you will architect and implement core infrastructure for AI agents, build backend services using Python and SQL, and collaborate closely with design partners. The ideal candidate has 2-6 years of software engineering experience with a deep understanding of AI engineering. Opportunities for mentorship and professional growth are available.

Qualifications

• 2-6 years of professional software engineering experience.
• Deep knowledge of AI engineering and agent frameworks.
• Strong backend skills with Python, SQL, and database design.
• Experience working with data systems and building scalable infrastructure.

Responsibilities

• Architect and implement core infrastructure for AI agents and orchestration.
• Build and optimize backend services to support AI workloads.
• Engage with design partners and customers to validate architecture.
• Develop robust data pipelines and work with large datasets.
• Collaborate with AI researchers and product managers.

Skills

AI engineering

Agent frameworks

Python

SQL

Database design

Data systems

Tools

Spark

Scala

Job description

A leading AI technology firm in San Francisco is seeking a Staff Software Engineer to join their AI team. In this high-impact role, you will architect and implement core infrastructure for AI agents, build backend services using Python and SQL, and collaborate closely with design partners. The ideal candidate has 2-6 years of software engineering experience with a deep understanding of AI engineering. Opportunities for mentorship and professional growth are available.