Founding AI Systems Engineer — Build Core Platform
Career Mentors, LLC
An innovative AI startup in San Francisco is seeking a Founding Engineer to design and build core systems from the ground up. In this role, you will make architectural decisions that significantly impact how the company operates. The ideal candidate has extensive experience in engineering and operates comfortably in ambiguous environments. This hybrid role offers a competitive salary and equity, with high expectations for ownership and impact. #J-18808-Ljbffr Career Mentors, LLC
- A leading healthcare tech startup in San Francisco is seeking a founding engineer to build and scale AI infrastructure. The role involves collaborating with a skilled team to shape the company's product and culture. Candidates should have 1 to 10+ years of experience in...Platform
$200k - $300k
Fragment Data Technologies is seeking Founding Engineers in San Francisco to design and build foundational architectures for AI agents that resolve procurement exceptions across complex enterprise data. Ideal candidates should have 2-7 years of experience, be comfortable...Platform$160k - $220k
A leading AI company in San Francisco is seeking an experienced Founding Engineer to build core systems from the ground up. This hybrid role emphasizes real ownership and long-term impact within a cutting-edge team dedicated to innovative, autonomous software. The position...PlatformVisa sponsorship$180k - $250k
A leading AI language learning platform is hiring a Founding AI Systems Engineer in San Francisco. You will lead the architecture of AI systems that enhance language learning through personalized dialogue. The role requires a systems-thinking background and experience...Platform- 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...PlatformFlexible hours
- A leading AI technology firm in San Francisco is seeking an AI/Data Systems Engineer to build critical data pipelines that transform unstructured inputs into structured outputs. This role involves ensuring the accuracy and reliability of data that supports simulations and...
- A dynamic pre-seed startup is seeking a Founding Software Engineer to revolutionize the construction industry with AI-powered solutions. This role requires a proactive builder mentality and technical excellence, allowing you to take ownership of product features from conception...Platform
- Hilbert is building a reasoning engine that must navigate non-... ...demand intelligence platform doesn't just call... ...leading AI companies. We're... ...production-grade AI systems end-to-end — from... ...role. You'll own core pieces of the AI... ...directly with the founding team and across product...PlatformFull timeShift workNight shiftWeekend work
- ...This is a job that Jill, our AI Recruiter, is recruiting for on behalf... ...to Jack. Job Title: AI-Native Founding Engineer Company Description: Fancysauce... ...grads and Apple alumni. You will own core platform verticals end-to-end, building agentic recipes that help...Platform
- ...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...Platform
- ...Founding Ai Engineer At Falconer, we're transforming how engineers create, access,... ...Founding AI Engineer to help us build an AI-powered knowledge platform that companies love. As a founding... ...Develop and maintain backend systems including API services, databases...PlatformWork experience placementWork at officeFlexible hours
$230k - $300k
...dedicated to helping companies build exceptional teams. We... ...candidates. Title of Role: Founding AI Engineer (Agentic Systems / Full-Stack) Location:... ...that assist users, their platform is designed to replace... ...You Will Do Build core agentic systems that...PlatformWork at officeImmediate start3 days per week- Embedding VC is seeking a founding engineer to help build core products and systems. Work directly with the CEO and CTO as part of an experienced team. You will design AI systems, implement features, and enhance product usability. The ideal candidate has over 5 years of...Flexible hours
- A dynamic AI recruitment service is seeking a Founding Engineer in San Francisco to build AI agents that revolutionize workflows for food manufacturers. The role offers a unique opportunity to work directly with industry leaders and earn 0.5%-2% equity. Ideal candidates...
- A pioneering tech startup in San Francisco is seeking a founding engineer to help build their core product from the ground up. This hands-on role demands a product-minded individual who thrives in startup environments. Responsibilities include building robust frontend...Weekday work
$73.8k - $218.8k
...Oracle Business Group AI Center of... ...ecosystem. We build real products that... ...production - a knowledge platform spanning 27 Oracle... .... This is a founding team, these first... ...the culture, the systems, and the trajectory... ...You might come from engineering, consulting, product...PlatformWork experience placementLive inWork at officeLocal area- ...backlog of legacy enterprise systems blocking AI adoption. It is humanly... ...Gallop Intelligence, we are building the AI platform to modernize these systems... ...Fortune 500 companies. Founded by veterans from Lovable,... ...will do As a Founding AI Engineer, you will have outsized impact...Platform
- 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...
$180k - $220k
Who we are: Cooper AI is building AI for commercial insurance, taking the manual, time‑consuming... .... About the role: We’re hiring the Founding Engineering team for a new hyper‑growth AI... ...in different languages and platforms. Hands‑on with modern AI stacks (LLMs...PlatformFull timeWork experience placementLocal areaWork from home$100k - $150k
Most AI systems generate text. We’re building one that makes decisions . Pareto Agent is a... ...Francisco, the company is founded by serial entrepreneurs... ...As our Founding Software Engineer — Studio , you will own the... ..., consuming upstream platform events and optimizing for...PlatformSummer workWork at officeFlexible hours$140k - $200k
Founding Forward Deployed AI Engineer Job type: Full Time · Department: Engineering · Work type: On-Site... ...—keying information into systems, chasing documents, doing mundane... ...grind through it manually. We're building an AI platform to automate this insurance drudgery...PlatformFull timeWork at officeImmediate start- Core AI Platform Team Overview The Core AI Platform team is... ...responsible for three things: Building and maintaining the... ..., evaluation systems) that all product teams... ...a team of senior AI engineers - both applied AI and... ...Nice to have: Founded or built a new team/function...PlatformWork at officeRemote workWork from homeMonday to FridayFlexible hours
- About the team We’re building the AI-native compliance platform for community banks... ...and fragmented systems. Community banks, despite... ...Our team includes engineers and researchers... ...role This is a true founding engineer role . You... ...with banking APIs, core banking systems, or...Platform
- Guild.ai, Inc. is seeking a founding engineer in San Francisco to build production agents on their new AI platform. You will design, implement, and ship early agents that help developers manage complex systems. Responsibilities include owning workflows end-to-end and integrating...PlatformFlexible hours
$200k - $250k
A fast-growing AI company in San Francisco seeks a Founding Engineer to architect and build core systems that power precision outbound for startups. Ideal candidates have 1-6 years of experience, strong full-stack expertise especially in TypeScript, React, Next.js, and...Platform- ...OpenArt is an AI Storytelling and Visual Creation Platform used by millions worldwide. We're building the next generation... ...how data supports AI systems, agents, and long-term... ...'re looking for a Founding Data Engineer to build and own OpenArt's core data platform and source...PlatformRemote workWorldwideVisa sponsorship
- Skiffra is building the intelligence layer... ...data. While most AI companies focus on... ...orchestration systems for the sectors that... ..., but the platform is modular by design... ...re looking for a Founding AI Engineer (LLMs & Agents) to... ...architect and build the core intelligence...Platform
- ...Skiffra Skiffra is building the intelligence... ...data. While most AI companies focus on... ...native orchestration systems for the sectors... ...resources, but the platform is modular by design... .... The Role As a Founding AI Engineer, you will be the architect of our core intelligence. This...Platform
- Harrison Clarke is seeking a Founding Engineer in San Francisco for a... ...pioneering role in an early-stage AI and cloud infrastructure... ...technical direction and build core systems from scratch. Ideal candidates... ...-on experience in cloud platforms like AWS or GCP. The role promises...Platform
- A cutting-edge technology firm in San Francisco is seeking a Founding Software Engineer focused on Spatial Systems. You will take ownership of building the core geometry logic for our platform, tackling complex engineering problems in a high-impact role. Candidates should...Platform
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