Founding AI Engineer
Falconer
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 that companies love. As a founding engineer, you won’t just help shape our product development—you’ll have a seat at the table to define Falconer’s technical direction and culture. Key responsibilities Participate in the entire product development lifecycle, including architecture, coding, testing, and deploying Research and apply best practices in terms of Knowledge Graph, embeddings, vector and graph RAG search, fine-tuning, and model optimization Develop and maintain backend systems including API services, databases, and server-side logic Optimize tech stack and applications for maximum precision and speed Write clean, efficient, and well-documented code, following industry best practices— the Falconer platform will help you! Stay updated with emerging technologies in web development and make recommendations for adopting new tools and practices Who you are Advanced degree in Machine Learning, Computer Science, Data Science, Engineering, or equivalent work experience Minimum of 2 years of professional experience in developing ML data pipelines Experience with text embeddings, RAG systems, and similarity search Familiar with Entity and Relationship recognition models Skilled at prompt engineering Ability to implement backend systems in Python and/or Node.js You can evaluate tradeoffs and propose the most appropriate storage solution (SQL, NoSQL, Vector DBs, Graph databases) You enjoy hard problems and open-ended assignments You use data to make decisions, and experiment your way around hard problems Bonus points You've developed products with LLMs before (extra if you've already built your own agents) You have fine-tuned foundational models to tailor responses to specific data use cases You have experience with LlamaIndex and Memgraph to produce knowledge graphs Perks and benefits Generous equity package Competitive salary and benefits 401(k) retirement account The best equipment and tools, like a spec'd out MacBook, and dev prod tools like Cursor, Claude, and Linear to help you move fast Flexible work arrangements with in-office work or hybrid work for the right candidate Our current office is in San Francisco, just steps from Caltrain At Falconer, we value diversity and equal opportunities. We welcome applicants from all backgrounds and are committed to creating an inclusive workplace. If you are passionate about technology and thrive in a challenging environment, come join our team and help us shape the future of work communication. #J-18808-Ljbffr
$160k - $250k
...Title: Founding AI Engineer (Research & Systems) Target: PhDs & Research Masters from Stanford, MIT, Berkeley, CMU focused on AI, ML, NLP, Agents. Location: San Francisco, CA | On-Site Compensation: $160K - $250K | 0.8% - 2.0% Equity Visa Sponsorship: Available...SuggestedH1bImmediate startVisa sponsorship- ...build software that delights users and measurably improves patient outcomes, you’ll feel at home here. The role We're hiring a Founding AI Engineer to design and ship the AI systems at the core of our product. You'll work in a fast, hands‑on environment, iterating quickly...SuggestedFull timeShift work3 days per week
- ...A stealth AI startup in San Francisco seeks a Founding AI Engineer to develop agentic AI systems that revolutionize chip verification workflows. You'll implement post-training pipelines, reward models, and work with real semiconductor teams to solve engineering challenges...Suggested
$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...SuggestedFull timeWork at officeImmediate start$150k - $250k
...future. Bronco's mission is to keep Moore's law going by building AI agents that automate large swaths of repetitive chip... ...SoC designs at leading-edge process nodes. About the Role As a Founding AI Engineer, you will own the core intelligence of Bronco's agents. That...Suggested- ...We’re hiring a Founding AI Engineer to build the intelligence layer for the leading AI companion for language learning. You’ll own the core AI systems powering personalized conversations for millions of users. Language learning shouldn’t feel like an app — it should feel...
- ...Role Overview Founding AI Engineer responsible for building core AI systems that analyze and improve engineering team productivity. This is a ground-floor role with full ownership of AI systems, working directly with founders to define product direction and technical...
- ...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...
- ...This is a job that Jill, our AI Recruiter, is recruiting for on behalf of one of our customers. She will pick the best candidates... ...The next step is to speak to Jack. Job Title: AI-Native Founding Engineer Company Description: Fancysauce Inc. - AI-native load...
$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- ...backlog of legacy enterprise systems blocking AI adoption. It is humanly impossible to... ...these systems for Fortune 500 companies. Founded by veterans from Lovable, Google, and... ...world. What you will do As a Founding AI Engineer, you will have outsized impact. You will...
$180k - $250k
...Founding AI Engineer (Agentic AI + Reinforcement Learning) Stealth AI Startup – AI for Semiconductor Engineering San Francisco – Onsite $180k – $250k base + 0.4–0.75% equity Early Team | Real Production Customers This isn’t another “LLM wrapper” job. We’re working with...H1bImmediate start$230k - $300k
...place the best people in the right roles to drive long-term success for both clients and candidates. Title of Role: Founding AI Engineer (Agentic Systems / Full-Stack) Location: San Francisco, CA Company Stage of Funding: Seed Stage (~$7.5M raised) Office...Work at officeImmediate start3 days per week- ...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...
- ...Founding AI Engineer Weave (YC W25) is building the definitive platform for understanding and improving how engineering teams work. We believe the way engineering output is measured today is fundamentally broken and that modern AI can give teams a far more accurate...
- ...A technology startup in San Francisco is seeking a Founding AI Engineer to develop an AI-powered knowledge platform. You will participate in product development from architecture to deployment, optimize systems, and implement backend services. Candidates should have an...Flexible hours
- AustinWorks is seeking a software engineer for a founding-level role to help define and build core product and infrastructure systems. You'll own and deliver these systems end-to-end. The ideal candidate has 1-5 years of software engineering experience, strong backend fundamentals...
- Why This Role Exists This role exists to turn GTM signal into company-wide execution. As Revic’s Founding GTM AI Engineer, you will work directly with Revic’s CEO, Head of Revenue, and Head of Engineering to design and build the systems that translate real customer conversations...Remote work
$170k - $220k
...This is a job that Jill, our AI Recruiter, is recruiting for on behalf of one of our customers. She will pick the best candidates... ...'s network. The next step is to speak to Jack . Founding AI Engineer Salary: $170,000 - $219,998 + Equity Company...Remote work- ...About the team We’re building the AI-native compliance platform for community banks... ...defensible, auditable answer. Our team includes engineers and researchers from Stanford, Carnegie... .... Description of the role This is a true founding engineer role . You won’t just ship...
- ...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...
- ...Pear VC is seeking a founding engineer in San Francisco to architect an AI-native compliance platform for financial institutions. The ideal candidate has 1+ years of startup experience with strong TypeScript and Python skills, and hands-on experience in deploying AI solutions...
- ...A well-funded healthcare AI startup in San Francisco is looking for a Founding Engineer to build a full-stack hardware and software ecosystem aimed for a 2026 launch. This role includes defining how AI interacts with physicians in real time, requiring experience in GPU...
$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...$100k - $150k
...Most AI systems generate text. We’re building one that makes decisions . Pareto Agent... ...Headquartered in San Francisco, the company is founded by serial entrepreneurs who have... ...investors. The Role As our Founding Software Engineer — Studio , you will own the full product...Summer workWork at officeFlexible hours- ...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...
- ...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
- ...Pingo in San Francisco is seeking a Founding AI Engineer to build the intelligence layer for an innovative language learning platform. You will have a direct impact on shaping AI systems that enhance user engagement and ensure seamless conversations for our millions of...
$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 to grow into senior ownership across agents, retrieval, evals, observability, and document or voice pipelines...Full timeInternshipWork at office- ...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
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