Mid-Level Software Engineer

Wintermeyer Ventures; San Mateo (CA); On-site; USD 200,000 - 250,000; Full time

Job summary

Wintermeyer Ventures in San Mateo, California is seeking an engineer to join a small team building AI systems that can autonomously conduct research. You will develop the backend and infrastructure that support agentic discovery and advance automated scientific work.

You will write production-grade Python, build backend infra, and collaborate with researchers and engineers on agentic search and model post-training systems, while focusing on observability and performance for customer-integrated

Qualifications

• Two or more years of software engineering experience, in the two to five year range.
• Experience building production backend systems with advanced Python.
• Background working with AI/ML infrastructure or backend systems.
• Familiarity with Google Cloud Platform and agentic systems.
• Strong production engineering skills and the ability to work collaboratively in a fast-moving environment.

Responsibilities

• Build and maintain backend infrastructure for AI research systems.
• Write production-quality Python code to improve system capabilities, reliability, and performance.
• Collaborate with researchers and engineers on agentic search systems and model post-training infrastructure.
• Contribute to machine learning infrastructure, observability, and performance optimization for customer-integrated systems.
• Own engineering problems end to end, from design through deployment.

Skills

Python

Backend

AI/ML infrastructure

Google Cloud Platform

Agentic systems

Collaborative work

Job description

About the Role

Join a small engineering team building AI systems that can autonomously conduct research. You will develop the backend and infrastructure that support agentic discovery, helping advance automated scientific work.

What You'll Do

• Build and maintain backend infrastructure for AI research systems.
• Write production-quality Python code to improve system capabilities, reliability, and performance.
• Collaborate with researchers and engineers on agentic search systems and model post-training infrastructure.
• Contribute to machine learning infrastructure, observability, and performance optimization for customer-integrated systems.
• Own engineering problems end to end, from design through deployment.

What We're Looking For

• Two or more years of software engineering experience, with experience in the two to five year range.
• Experience building production backend systems with advanced Python.
• Background working with AI/ML infrastructure or backend systems.
• Familiarity with Google Cloud Platform and agentic systems.
• Strong production engineering skills and the ability to work collaboratively in a fast-moving environment.

Compensation & Benefits

Annual salary range: $200,000 to $250,000 USD. Visa sponsorship is available.

Location

On-site in San Mateo, California, United States.