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162 founding ai engineer jobs at 115 companies in United States

3mo
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Founding AI Engineer
San Francisco, California, United States
$120k-$180k/yr OnsiteFull Time
Bild AI
Bild AI: AI construction software that reads blueprints and estimates material costs for builders.
Applied CV/ML experience; 0-to-1 builder; growth mindset; strong communication.
Computer Vision, Large Language Models, Multimodal AI, Production ML
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3mo
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Founding AI Engineer
New York City or United States
$160k-$220k/yr OnsiteFull Time
Nolla Health
Nolla Health: AI-guided digital-health offering dermatological skincare and telehealth services.
4+ YOE4+ years backend, platform, or product engineering; ships own projects; strong TS and Python; AI tooling experience; small team experience; ability to scope and ship.
TypeScript, Python, Node.js, PostgreSQL, AWS, OpenAI API, Anthropic API, EMR systems, Eval frameworks
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1mo
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Founding Engineer
New York City, New York, United States
$125k-$225k/yr OnsiteFull Time
Clusia
Clusia: AI-native assurance firm completing audits and independent testing for fintechs, banks, and other companies that move money.
Hands-on experience with LLMs and production AI, full-stack product engineering, cloud infrastructure, deployment and observability, and strong product-minded execution.
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3mo
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Founding Engineer, AI & ML Systems
United States or Austin
RemoteFull Time
Filmore
Filmore: Private platform helping construction equipment dealers and rental companies find and engage equipment buyers.
5+ YOEShipped production-level AI/ML systems; strong Python, SQL, and cloud experience; work with LLMs, model routing, and data pipelines; capable of building scalable, observable backends.
Python, PostgreSQL, LangChain, LangGraph, pgvector, Azure, FastAPI, Terraform, GitHub Actions, Databricks, Synapse, Playwright, MCP, Datadog, Terraform
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6d
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Founding Engineer (Applied AI)
San Francisco, California, United States
$120k-$180k/yr OnsiteFull Time
Clera
Clera: AI-powered talent agent matching candidates to startup roles.
Hands-on production computer vision and machine learning experience, strong Python skills, machine learning and deep learning foundation, 0-to-1 building ability, and clear communication. US citizenship required.
Python, computer vision, ML, LLMs
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1mo
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Founding AI Engineer
San Francisco, California, United States
$225k-$255k/yr OnsiteFull Time
Mondrio
Mondrio: AI-powered B2B pricing software that helps companies continuously optimize pricing and guide deals with expert support.
8+ YOE8+ years engineering experience with production LLMs, built evals/observability, shipped LLM features, strong communication, product-engineer instincts, US work authorization required.
TypeScript, React, Vercel Chat SDK, Python, FastAPI, Mongo, Atlas, GCP, Pulumi, Cloudflare Pages, FastMCP, Langfuse, Claude Code, Cursor, Vercel Eve, LangChain, LlamaIndex, Braintrust, OpenRouter
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2w
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Founding Engineer (AI)
San Francisco, California, United States
$150k-$220k/yr OnsiteFull Time
Momentic
Momentic: AI-powered end-to-end testing platform for software engineering teams across web, iOS, and Android.
3+ YOERequires 3+ years of experience, LLM performance tuning, evaluations, observability, application integration, fine-tuning, evaluation dataset engineering, and proficiency with modern software technologies.
Python, TypeScript, React, Next.js, Node.js, PostgreSQL, Google Cloud, Kubernetes, Selenium, Cypress, Playwright, Together AI, Baseten
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1w
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Founding Engineer
Lehi, Utah, United States
HybridFull Time
Workstream
Workstream: Workstream is a private software providing hiring, HR, payroll, and workforce tools for hourly, multi-location restaurants.
Production experience building and operating AI agents or agentic workflows, with strong judgment across APIs, integrations, permissions, observability, evaluations, and customer-facing implementation.
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3w
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Founding Engineer (Physical AI Infrastructure)
San Francisco, California, United States
OnsiteFull Time
Andreessen Horowitz
Andreessen Horowitz: Private venture capital firm investing in startups from seed through growth stages and helping founders build companies.
Experience building reliable large-scale distributed systems; strong Kubernetes, infrastructure-as-code, networking, storage, security, and cloud architecture skills; production software development in Rust, Go, Python, or similar.
Kubernetes, Rust, Go, Python, NVIDIA, Slurm, Ray, Kueue, Temporal, Kafka, NATS, ClickHouse, Parquet
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2w
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Founding AI Engineer
San Francisco, California, United States
$160k-$210k/yr OnsiteFull Time
Mason AI
Mason AI: Private AI plan-review software helping building reviewers identify code and safety issues in blueprints.
Seeking a software engineer growing into ML/AI or a fast-prototyping ML engineer who can run experiments, improve multimodal agents, understand building codes and diagrams, and work independently.
Claude Code, Conductor, Wispr Flow
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1w
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Founding Engineer
Lehi, Utah, United States
HybridFull Time
Workstream
Workstream: Private software providing hiring, HR, payroll, and workforce tools for hourly, multi-location restaurants.
Production experience building and operating AI agents or agentic workflows, with strong engineering judgment across models, APIs, integrations, permissions, observability, evaluations, and customer-facing implementation.
AI agents, agentic workflows, APIs
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2w
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Founding Engineer
United States
RemoteFull Time
Vim
Vim: Vim is a private healthcare technology platform connecting payers, providers, EHRs, and digital health developers within clinical workflows.
5+ YOE5+ years of engineering experience, early-stage startup experience, effective AI use, production agent-system experience, and full-stack skills with strong data modeling, schema, and pipeline expertise.
AI, FHIR, EHR, wearables
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3w
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Founding AI Engineer
San Francisco, California, United States
OnsiteFull Time
Andera
Andera: AI audit software automating SOX, compliance, and control testing for enterprises and public accounting firms.
Experience building complex AI agents or workflow systems, strong full-stack and systems engineering skills, concurrent large-data processing expertise, and ability to learn audit workflows quickly.
TypeScript, Python, Temporal, Docker, Terraform, Amazon Web Services (AWS), AWS Fargate
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1w
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Founding AI Engineer
San Francisco or United States or Miami
HybridFull Time
Autena
Autena: Autena is a private AI software startup building autonomous supply-chain systems for logistics enterprises.
Production experience deploying applied LLM systems to real users, strong AI judgment, expertise in evaluations and guardrails, and ability to build and lead an AI team.
Anthropic, AWS Bedrock, Python, Burr, LangGraph, ReAct
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1mo
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Founding Engineer (Applied AI)
San Francisco, California, United States
OnsiteFull Time
Polymr
Polymr: AI workflow engine for high-volume manufacturers, automating material planning, production scheduling, procurement, and shop-floor inventory.
Experience building document ingestion/extraction, agentic workflows, and evaluation harnesses; familiarity with AI coding tools and working closely with customers.
Claude Code, Cursor
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1mo
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Founding Engineer
United States or California
RemoteFull Time
Athena
Athena: Private San Francis startup studio that-founds, funds, and scales AI-native and data-driven software companies.
Experienced full‑stack engineer with product instincts, proven shipped products, user research experience, and comfort working on AI systems in early‑stage environments.
LLMs, GitHub
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3mo
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Founding Engineer
San Francisco, California, United States
HybridFull Time
Double Blind Bio
Double Blind Bio: Private health-tech startup building AI agents that automate clinical-trial workflows for research sites and life-science sponsors.
Strong full-stack engineering with deep AI/ML expertise; evals, observability, production LLMs; product-minded; healthcare familiarity; fast-paced, autonomous work.
LangSmith, Braintrust, Weights & Biases, Honeyhive
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2mo
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Founding Senior AI Product Engineer
San Francisco, California, United States
$200k-$350k/yr OnsiteFull Time
Thorin AI
Thorin AI: AI building autonomous infrastructure and proactive agents that help organizations coordinate work and execute long-term objectives.
Senior-level experience building AI-native products and workflows, strong product judgment, ability to ship frequently, mentor engineers, and partner with founders and customers.
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3mo
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Founding Engineer
New York City, New York, United States
$170k-$200k/yr OnsiteFull Time
Alden Labs
Alden Labs: Private AI healthcare software serving home care agencies with agents that automate coordination, scheduling, and communications.
3+ YOEFull-stack software engineer with 3+ years, skilled in React/NextJS, Express, PostgreSQL; strong ownership; healthcare and AI interest; able to ship features end-to-end.
React, NextJS, Express, PostgreSQL
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1w
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CTO - Founding Principal AI Engineer
Mountain View, California, United States
$150k-$230k/yr OnsiteFull Time
Wipro
WiproNYSE: WIT: Global information technology, consulting, and business process services.
6+ YOEMaster's or PhD in robotics, AI, computer science, or related field; 6+ years in robotics, autonomy, or AI; expertise in Python, C++, ROS/ROS 2, simulation, and production robotics solutions.
ROS 2, Isaac Sim, Isaac Lab, MuJoCo, PyTorch, Docker, FastAPI, NVIDIA Omniverse, Python, C++, Open-RMF
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