Senior Fullstack Engineer - AI-Driven Systems (Hybrid)

Seldon; San Francisco (CA); Hybrid; USD 180,000 - 200,000; Full time

Benefits offered by this job

Health insurance

PTO 28 days

Hybrid work model

Team dinners and events

Job summary

Seldon is seeking a Senior Fullstack Engineer to join the Engineering Tribe in a hybrid capacity in San Francisco. You will own building the product and the systems that turn simulated behavior into real product decisions, connecting multi‑agent simulations to frontend experiences that shape what customers build next.

You will work across the stack from backend to frontend, evolving the Python-based platform for experiments, simulations, and behavioral outputs, while ensuring user trust and

Responsibilities

• Build and evolve the Seldon platform (Python) to design experiments and run simulations.
• Turn raw agent behavior into product functionality, bridging system outputs to user actions.
• Create tooling for system visibility, trust, and debuggability.
• Define how users interact with simulations and make decisions.

Job description

Seldon is seeking a Senior Fullstack Engineer to join the Engineering Tribe in a hybrid capacity in San Francisco. You will own building the product and the systems that turn simulated behavior into real product decisions, connecting multi‑agent simulations to frontend experiences that shape what customers build next.

You will work across the stack from backend to frontend, evolving the Python-based platform for experiments, simulations, and behavioral outputs, while ensuring user trust and