Founding AI Engineer - San Francisco, California
$200k - $300kMissionHires
MissionHires is hiring a Founding AI Engineer to own end-to-end ML research and productionization for cutting‑edge Computer Vision and Document AI. You’ll design and deploy state‑of‑the‑art models for parsing unstructured enterprise data, build scalable data/evaluation pipelines, lead architectural improvements (including VLMs and 3B–7B models), and partner directly with the founders on product and technical strategy. This is an in‑person role in San Francisco with high ownership, fast iteration, and meaningful equity. Responsibilities Own the full ML research lifecycle: problem formulation, experimentation, model training, evaluation, optimization, and deployment Design and improve state‑of‑the‑art Computer Vision and Document AI models for unstructured enterprise data Lead architectural improvements to vision models and VLM‑based document understanding systems Build scalable data pipelines and evaluation frameworks to continuously measure and improve performance Transition research prototypes into reliable, production‑grade systems in collaboration with engineering Establish best practices for experimentation, reproducibility, benchmarking, and iteration Work directly with founders to shape product direction and long‑term technical strategy Contribute to research credibility through publications, benchmarks, or open‑source contributions when appropriate Requirements Master’s or PhD in Computer Science, Computer Vision, Document AI, or closely related field (top‑tier institution preferred) Strong academic research background; multiple relevant publications preferred Up to 6 years post–Master’s/PhD experience with end‑to‑end ML research ownership Experience in 0‑to‑1 startup environments with high ambiguity and rapid iteration Background at a leading research lab (e.g., DeepMind, FAIR, Microsoft Research, OpenAI, Anthropic) strongly preferred Deep expertise in Computer Vision, Document AI, multimodal learning, or related domains Proven experience building or significantly improving model architectures (beyond fine‑tuning) Experience with smaller foundation models (approximately 3B–7B parameters) Strong Python proficiency and familiarity with modern ML frameworks Experience training and deploying models for parsing and understanding unstructured data Hands‑on experience building evaluation pipelines and integrating models into production systems Comfort moving between theory, experimentation, and production deployment Strong product intuition with ability to prioritize research for business impact High ownership mindset and bias toward action Willingness to work in person and commit to an early‑stage company’s intensity Benefits Competitive base salary: $200K–$300K Meaningful equity ownership: 0.1%–1% Visa sponsorship available for exceptional candidates (including new H1B applications) Opportunity to shape the technical foundation of a high‑growth AI company. #J-18808-Ljbffr
$225k - $300k
...About Town Town is an AI-powered assistant that connects to your tools to do real work... ...anyone automate real work, a suggestion engine that discovers what to automate before you... ...it matters at this stage. Location San Francisco, CA -- five days a week in-person at our...SuggestedFull timeWork at office$240k
...About the Team OpenAI's AI Success Engineer team partners with the world's most ambitious organizations... ...impact. This role is based in San Francisco office and we offer relocation... ...Chance Ordinance for Employers, and the California Fair Chance Act, for US-based candidates...SuggestedWork at officeRelocation package$192k - $240k
# Senior Software Engineer, Full Stack#### San Francisco, California, United StatesSenior Software Engineer, Full Stack**Engineering at Brex**Engineering at Brex... ...broader product experiences - including leveraging AI to streamline user workflows and supporting the continuous...SuggestedWork at officeRemote workWork from home$192k - $240k
# Senior Software Engineer, Frontend#### San Francisco, California, United StatesSenior Software Engineer, Frontend**Engineering at Brex**Engineering at Brex... ...time visibility, and control spend effortlessly. Brex’s AI-native automation and world-class service eliminate...SuggestedWork at officeRemote workWork from home- ...Kalos is an early stage, high-growth startup based in San Francisco, CA. We built Blue - an AI Agent that is the world's best performance marketer.... ...and it's time to go faster. Role Description As a founding engineer, you won’t just write code — you’ll help shape product...SuggestedFull time
$175k - $225k
...About the job AI / LLM Software Engineer - onsite in San Francisco AI/LLM Systems Software Engineer Location: San Francisco, CA Work Type:... ...Visa Sponsorship: Not available The Role As a founding engineer, you'll design and build core systems from...Full time- ...our customer’s adoption of AI and central to ensuring that... ...Technical Success, Product, Engineering and others to deliver the best... ...those laws, including the San Francisco Fair Chance Ordinance, the Los... ...for Employers, and the California Fair Chance Act, for US-based...Work at officeRelocation packageShift workWeekend work
$166k - $225k
...and running the world's best data and AI infrastructure platform so our customers... ...insights to improve their business. Founded by engineers — and customer obsessed — we leap at every... ...AI. Databricks is headquartered in San Francisco, with offices around the globe and was...Local areaWorldwide$126k - $201k
Software Engineering San Francisco, California Behavior Planning Software Engineer Who we are Aurora’s mission is to deliver the benefits of self-driving... ...planning with machine learning to create verifiable AI systems for autonomous driving Design and implement production...Work at officeLocal area3 days per week$166k - $225k
Senior Software Engineer - Infrastructure and Tools P-78 While candidates... ...the world's best data and AI infrastructure platform so... ...to improve their business. Founded by engineers — and customer obsessed... ...is headquartered in San Francisco, with offices around the globe...Local areaWorldwideFlexible hours- ...As a Senior Back End Engineer, you'll be responsible for designing and implementing... ...backend systems that power intelligent AI agents for Fortune 500 companies. You'... ...simple click and a hello! 455 Market St. Ste 1940, San Francisco, California 94105 USA #J-18808-Ljbffr...Remote workFlexible hours
- About the Team The AI Success Engineering team turns breakthrough AI products into enterprise-scale... .... This role is based in New York or San Francisco and follows a hybrid schedule of... ...Chance Ordinance for Employers, and the California Fair Chance Act, for US‑based candidates...Work at office3 days per week
$200k - $230k
...Community, a 0-to-1 venture within Papa based in San Francisco that is building virtual care for seniors. As one of the first engineers on Community, you will have the autonomy... .... About the role We are looking for a founding Staff Elixir Backend Software Engineer to build...Work at officeImmediate startFlexible hours2 days per week3 days per week- Staff / Sr. Staff Software Engineer (Frontend) San Francisco Bay Area, California, United States About Us: Tessell is a fast‑growing company focused on data management. We're building cutting‑edge products that will disrupt the data management industry. Our team is composed...
$250k - $315k
...Job Description Job Description Staff AI Frontend Engineer - San Francisco, CA - $250K-$315K Location: San Francisco, CA Work Arrangement:... ...to relocate. Preferred Qualifications: Founder or founding engineer experience. WebRTC or real-time streaming experience...Full timeRelocationVisa sponsorshipRelocation package$150k - $170k
...AI Engineer job at Wallman Unlimited Company. San Francisco, CA. About the Role We're looking for an AI Engineer to help build the core agent systems that power autonomous financial audits. This is a high-ownership role with responsibility from architecture through deployment...$170k - $310k
...AI Engineer (All Levels) job at Fieldguide. San Francisco, CA. About The Role Fieldguide is building AI agents for the most complex audit and advisory workflows. We're a San Francisco-based Vertical AI company building in a $100B+ market undergoing rapid transformation...Work at officeFlexible hours$180k - $220k
Founding Mobile Engineer (React Native / iOS) Onsite - San Francisco (Pac Heights) · Full-time · $180K-$220K + Equity About the Opportunity G2i is partnering with a fast... ...issues across the stack when needed Leverage AI tools to accelerate development and improve output...Full timeH1bImmediate startFlexible hours$120.8k - $151k
### Data Engineer#### San Francisco, California, United StatesData Engineer**Why join us**Brex is the AI-powered spend platform. We help companies spend with confidence with integrated corporate cards, banking, and global payments, plus intuitive software for travel and...Work at officeRemote workWork from home3 days per week$150k - $170k
...About the job AI Engineer $150K-$170K - San Francisco, CA | Apply Now Now Hiring: AI Engineer in San Francisco, CA!Apply now with 24/7 PT.• Responsibilities:- We're looking for an AI Engineer to help build the core agent systems that power autonomous financial audits...Immediate start$120k - $200k
Founding AI Engineer San Francisco | Engineering | In office | Full-time Mason AI has cracked a research problem that went unsolved for over half... ...to help us scale what works for residential projects in California to all construction across the country. You will go deep...Full timeWork at office$140k - $200k
Founding Forward Deployed AI Engineer Job type: Full Time · Department: Engineering · Work type: On-Site San Francisco, California, United States About Fulcrum The $1.5 trillion insurance industry is powered by brokers. Every business needs insurance, and the brokerage...Full timeWork at officeImmediate start- ...Bronco AI, Inc. is seeking a Founding AI Engineer in San Francisco, California. In this role, you'll be responsible for designing the core intelligence of AI agents for chip verification and design. The ideal candidate will have a proven track record in developing agentic...
$185k - $275k
...About the job AI Agent Software Engineer $185K-$275K - San Francisco, CA | Apply Now Now Hiring: AI Agent Software Engineer in San Francisco, CA!Apply now with 24/7 PT.• Responsibilities:- Design and build AI-driven agents for voice and chat- Translate natural language...Immediate start- ...At Falconer, we’re transforming how engineers create, access, and share knowledge. We’re looking for a Founding AI Engineer to help us build an AI-powered knowledge platform... ...candidate ~ Our current office is in San Francisco, just steps from Caltrain At Falconer,...Work experience placementWork at officeFlexible hours
$150k - $220k
...AI Full-Stack Engineer job at Pear VC. San Francisco, CA. About Tanagram : Tanagram's mission is to enable developers to work at the speed of thought. To do that, we're building a tool that captures hard-won lessons buried in codebases, code reviews, incident post-mortems...Work at officeRemote workFlexible hours$168.75k - $270k
...safety professionals worldwide. As a Staff Wireless Software Engineer , you will be a technical leader driving architecture and implementation... ...out of Axon’s US hubs in Atlanta, Boston, Scottsdale (HQ), San Francisco, or Seattle, and follows a hybrid schedule. We rely on in-...Work experience placementWork at officeRemote workWorldwide$142k - $162k
...Fin is the AI Customer Agent company on a mission to help businesses... ...of modern day support teams. Founded in 2011, Fin became one of... ...? At Fin you’ll be a Systems Engineer in IT, you will work on... ...range for candidates within the San Francisco Bay Area is $142,000 - $162,0...Work at officeLocal areaWork from homeFlexible hours3 days per week- ...Labs provides blockchain analytics and AI solutions to help law enforcement and national... ...safer, more secure world for all. As an Engineering Manager on the AI Product Engineering... ...Requirement: This role is based in our San Francisco office. Employees in this position are...Work at officeWorldwide3 days per week
- ~ Senior Software Engineer (Rust) at Symbolica – San Francisco, US Senior Software Engineer (Rust) at Symbolica... ...US About Us Symbolica is an AI research lab pioneering the application... ...research fuels application. Founded in 2022, we’ve raised over $30M from...Work at officeShift work
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