AI Engineer, Backend

Job overview

The AI Engineer, Backend role is onsite in San Francisco, CA, with an annual base salary of $175,000 to $275,000. Wintermeyer Ventures is building generative AI systems to help models and agents produce higher-quality creative and design work. The engineer builds backend systems and infrastructure across agents, data pipelines, search, and inference. These systems make subjective creative qualities more measurable and useful, supporting model development and client-facing products.

What you'll do

• Build agent harnesses, memory systems, and self-improvement loops
• design evaluation pipelines and synthetic data generation
• develop embedding, retrieval, and search infrastructure for visual and creative datasets
• build web crawling and scraping systems
• set up inference serving and client-facing APIs
• support security reviews and reliable infrastructure tooling
• create data collection and categorization systems for model training.

What we're looking for

Skills & competencies

ai engineer

backend engineering

generative ai

python

agent systems

machine learning pipelines

search and retrieval

san francisco ca

wintermeyer ventures

full-time

$175k–$275k/year

visa sponsorship available

Work arrangement

• Weekend coverage required

Why this role

Requires at least four years of backend or infrastructure engineering experience building AI systems, agents, or ML pipelines; strong Python, cloud infrastructure, and CI/CD skills. Visa sponsorship is available.

About the employer

Wintermeyer Ventures is hiring for this role. Industry: Custom Computer Programming Services. Sector: 54.