Founding AI/ML Engineer
Ersilia
About the Role Our company is hiring a Founding AI / ML Engineer to help architect and ship the next generation of AI-powered workflows for construction. This is not a research seat or a demo-builder role. The company wants product‑mindful engineers who build reliable, production‑grade AI systems that solve real customer problems in lean teams. You will work across multimodal AI, document intelligence, agentic workflows, and evaluation systems, turning cutting‑edge capabilities into software estimators that depend on daily. You will report to the Chief AI Officer (eventually CTO) and work directly alongside the founders and customers. This is initially a full IC role: ship code, deploy features, test with users, close the loop. Management track is available within the near term for those who want it, but is not the initial scope. What You'll Own Build and ship production‑grade AI systems used by real customers Design multimodal pipelines for processing drawings, specifications, and construction documents Build agentic workflows that automate pre‑construction tasks: document intake, extraction, takeoff support, bid preparation, QA Build and improve retrieval systems, evaluation systems, and orchestration layers Improve model quality, latency, reliability, and cost efficiency; prototype and iterate on customer‑facing AI features Own systems end‑to‑end from experimentation through deployment Help shape engineering culture and technical direction Requirements Must‑Have 6+ years of engineering experience, with at least one prior role at an early‑stage high‑growth startup Production‑grade AI systems shipped to real customers: practical hands‑on experience with LLMs, computer vision, segmentation models, or other applied ML systems in production Retrieval systems experience: embeddings, reranking, chunking, source‑grounded answers, knowledge bases Agentic workflow experience: tools, APIs, state management, retries, guardrails, observability Strong backend fundamentals: APIs, async jobs, queues, databases, cloud deployment, and monitoring. End‑to‑end ownership from problem definition through deployment Nice‑to‑Have Construction / AEC / glazing / curtain wall / architectural metals personal or professional exposure Multimodal AI, computer vision, or document intelligence / OCR background Prior experience converting human‑operated workflows into a product (AI‑native services thesis adjacency) Inference optimization or evaluation systems background NB: VISA SPONSORSHIP - H-1B #J-18808-Ljbffr
$130k - $170k
...Getclera is seeking a Founding Engineer (AI/ML) in San Francisco to lead the AI/ML intelligence for its recruiting marketplace. You will develop recommendation systems and ranking algorithms to enhance matchmaking quality. Candidates should have strong CS fundamentals...SuggestedFlexible hours$200k - $250k
...This is a job that Jill, our AI Recruiter, is recruiting for on behalf of one of our customers. She will pick the best... ...network The next step is to speak to Jack. Job Title: Founding AI/ML Engineer Salary: $200-250K + Equity Company Description: Generalcatalyst...Suggested- ...Navi AI Pilot Debrief Intelligence Engineer Navi captures everything a pilot sees and hears and turns it into automated debrief intelligence. You... ...CFI would catch. About the Role This is a founding AI/ML role. You'll own the intelligence layer that sits at the...Suggested
- Brylo is a gene editing company based in San Francisco, seeking a Founding Engineer to build AI/ML systems integral to our gene editing workflows. You will tackle real ML problems and have a significant impact alongside the founders. The role requires a mix of technical...Suggested
- Jack & Jill is seeking a Founding AI/ML Engineer in San Francisco. The role involves building Generative Engine Optimization systems for AI search. Ideal candidates have strong NLP fundamentals and experience in production ML systems. You'll collaborate with world-class...Suggested
- ...ML/AI Research Engineer — Agentic AI Lab (Founding Team) Location: San Francisco Bay Area Type: Full-Time Compensation: Competitive salary + meaningful equity (founding tier) Backed by 8VC, we're building a world-class team to tackle one of the industry's most critical...Full time
- A growing AI platform company in San Francisco is seeking a talented individual to manage full-cycle sourcing for engineering teams. In this role, you will engage with candidates and design scalable hiring processes while working closely with the founders. The ideal candidate...
- ...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... ...years of professional experience in developing ML data pipelines Experience with text embeddings...Work experience placementWork at officeFlexible hours
- ...driving the machine learning and AI backbone behind Known — an... ...You’ll work closely with the founding team (product, platform, and design... ...) to shape both the data and ML foundations and the user-... ...cross-functionally with platform engineers and product designers to integrate...
- ...About Brain Co. Brain Co. is an applied AI startup co-founded by Jared Kushner and Elad Gil, and backed by leading Silicon Valley builders... ...institutions that impact millions of people. About The Role As an AI/ML Engineer at Brain Co., you will play a crucial role in deploying...Worldwide
$130k - $200k
...A fast-growing Healthtech AI startup is seeking a Founding AI Engineer to develop LLM-powered systems for medical diagnosis and treatment. This role offers the opportunity to impact patient outcomes directly by building production-ready AI solutions. Requirements include...$180k - $220k
...Who we are: Cooper AI is building AI for commercial insurance, taking the manual, time‑consuming work off professionals’ plates... ...global insurance industry. About the role: We’re hiring the Founding Engineering team for a new hyper‑growth AI business unit. You’ll build AI...Full timeWork experience placementLocal areaWork from home- ...For phase 1, we’re training foundational AI models that create building code-compliant... ...models, geometric and physics engines from scratch to transform how the world designs... ...from raw 2D or spatial data using AI. As a Founding AI Engineer for Scan-to-BIM on our core AI...Visa sponsorship
- ...Gallop Intelligence Inc. is seeking a Founding AI Engineer to lead the development of advanced AI systems that modernize legacy software for Fortune 500 companies. This role offers significant ownership and requires expertise in production-grade software development and...
$160k - $300k
...Lance, based in San Francisco, is looking for a Founding Engineer to lead the development of their cutting-edge software solutions. In this full... ...scalable infrastructure and optimize the performance of AI agents. Ideal candidates will have strong software development...Full time- ...B Capital is seeking a founding member for its Applied AI team in San Francisco. You will be crucial in building the Forward Deployed Engineering function, bridging AI research with real-world deployments. This role requires a deep software engineering background, experience...
$150k
...Key Talent Solutions in San Francisco is seeking skilled engineers across various tracks, including founding, forward-deployed, AI/ML core, and full-stack product engineers. The ideal candidates will have a proven track record of building and owning projects in production...Remote work- ...Simple AI is looking for a Founding Software Engineer to help design and implement scalable voice AI systems. In this role, you will collaborate closely with product and design teams to overcome technical challenges and deliver customer-focused solutions. This position...
- ...A leading AI startup in San Francisco seeks an AI Engineer to join their founding team. In this role, you will develop and optimize advanced AI models that support the logistics industry, which plays a critical role in the economy. The position requires hands-on experience...
- ...An innovative AI startup in San Francisco is seeking a Founding Engineer to help turn ambitious product visions into reality. In this role, you'll collaborate with teams to rapidly prototype and deliver cutting-edge AI solutions. Ideal candidates will have experience...Visa sponsorship
- ...PassFort is seeking a Founding Engineer in San Francisco, focusing on automating software quality assurance through AI. The ideal candidate will join a small team, design core systems, and define the product vision. This role is perfect for someone mission-driven with...
$150k - $185k
...Early-career founding AI role for a recent graduate or engineer with roughly two years of experience who has already shipped AI systems to real users and wants... ...ticket. Nice to have: Open‑source contributions to AI/ML repos (LangChain, LlamaIndex, vLLM, transformers, dspy...Full timeInternshipWork at office- ...A leading AI technology firm in San Francisco seeks a Founding ML Engineer to lead the research and engineering of their core AI systems. You will convert messy, multilingual web-scale data into structured intelligence, resolve data discrepancies, and train ML models...
- ...Strive - GTM Talent Partner seeks a Founding Engineer in San Francisco to develop transformative ML systems. In this role, you’ll create technologies that learn from user behavior and directly influence product direction. The ideal candidate is a top graduate with hands...
$200k - $300k
...experience & skill-level) | San Francisco, CA | On-site Most ML roles ask you to fine-tune someone else's idea. This one asks... ...problem is hard, the team is exceptional, and the window to be a founding engineer on something like this doesn't stay open long. What you’ll...InternshipWork at office- ...URun in San Francisco is searching for an ML Infrastructure and Platform Engineer. In this role, you will lead the architecture and scaling of our GPU... ...high availability and low-latency inference. This is a founding technical hire position, requiring end-to-end ownership...
$150k - $200k
...United States Digital Space LLC is seeking a Founding ML Engineer for both general and audio/speech roles in San Francisco, CA. This position involves building AI players for gaming, focusing on low-latency performance and interactive capabilities. Applicants should have...- ...About the Role ML Ops Engineer — Agentic AI Lab (Founding Team) — Location: San Francisco Bay Area — Type: Full-Time — Compensation: Competitive salary + meaningful equity (founding tier) Backed by 8VC, we're building a world-class team to tackle one of the industry’s...Full time
- ...crawled information on Google via point and click to AI agents doing real-time targeted crawling from sources... ...need someone who can push the boundaries of what our ML systems can do. We’re hiring a Founding ML Engineer to own the research and engineering behind our core intelligence...Shift work
$175k - $250k
...Swayable is a fast-growing AI and automated data science platform... ..., including Y Combinator. Founded in 2018 by physics PhDs, it is... ...Swayable is seeking a Senior Engineer blending Python software development... ...evolving toolset for ML and AI Ops. * You are knowledgeable...
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