5 api engineer jobs at 5 companies in Middletown, CA
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Software Engineer
Fairfield, California, United States
OnsiteContract
ISHIR: Provides custom software development and enterprise AI services.
7+ YOEContract Software Engineer with 7-10 years of experience in ASP.NET, C#, .NET, jQuery/React, PostgreSQL, REST APIs, MVVM; on-site in Fairfield, CA; 4-6 month contract.
2KNASDAQ: TTWO: Publishes and develops global video game franchises and entertainment.
5+ YOE5+ years’ industry experience; BS in Computer Science or related field; shipping at least one AAA game; strong C/C++ and 3D math; experience with modern GPUs, low-level graphics APIs, and Unreal Engine; proficient with graphics tools.
GCX Healthcare Solutions: Designs and manufactures mounting solutions for healthcare equipment.
7+ YOE7–15 years software experience; 50-mile radius of Petaluma; US work authorization; IoT/hardware-adjacent Linux work; Java/Spring, Python/Django, React; PostgreSQL/MySQL; AWS; Docker; CI/CD; REST API design; multi-layer stack experience.
Buck Institute for Research on Aging: Conducts biomedical research to extend the healthy human lifespan.
Master's degree or equivalent experience; strong Python skills; deep experience with large language models, agentic AI, RAG/vector systems, AI APIs, and modern software engineering; experience with harmonizing and modeling large biomedical/omics datasets.
Python, Docker, APIs, cloud platforms, vector databases, embeddings, retrieval-augmented generation (RAG), Large Language Models (LLMs), LLM-based developer tools, AI agent frameworks, vector search
Rohnert Park or Mountain View or Texas or United Kingdom or Japan
$220k-$270k/yrHybridFull Time
HeartFlowNASDAQ: HTFL: Provides AI-driven non-invasive cardiac diagnostic software and analysis.
8+ YOE4+ MgmtBachelor’s degree in a technical field, 8+ years in data engineering, architecture, or systems integration, and 4+ years of direct leadership. Requires AWS, Redshift, Dagster, BI migrations, enterprise integrations, and data governance expertise.