Founding Engineer
$150k - $250kAgentMail (YC S25)
AgentMail is building the identity and communication infrastructure for AI agents, starting with email. We are looking for a Founding Engineer with backend and infra focus to architect systems for agents as the end users. Responsibilities Design APIs that are intuitive for both humans and LLMs Architect high-throughput, low-latency systems Write and review clean, idiomatic code Maintain comprehensive documentation Qualifications Has prior work experience (internships count) as an engineer at a tech company Has shipped software used in production by real users (work or personal projects) Compensation $150k - $250k base salary 0.5% - 2.0% equity Breakfast, lunch, and dinner (Doordash) Medical, dental, and vision insurance Equinox membership #J-18808-Ljbffr
- ...You will turn Prox's GTM motion into an engineered system: find the right manufacturers, identify buyer committees, build high-context... ...up, and the right next action after every customer touch. The founding GTM engineer owns that system. You will help us find high-fit...Suggested
$175k - $225k
...About the Role Join a fast-moving, early-stage consumer AI startup as a Founding Engineer — a rare, high-impact position working directly alongside the founder. This is a true 1-of-1 opportunity to shape both the product and engineering culture from the ground up. The...SuggestedRemote workVisa sponsorship$180k - $230k
...Founding Engineer San Francisco, CA (Full-time) - In‑Office $180k-$230k base annually About the Role Hiring a world‑class Applied AI Engineer to build the core systems behind their automation engine for hardware engineering. This is a deeply technical, high‑impact role...SuggestedFull timeWork at officeRemote workRelocation- ...governance, and workflows — before you deploy. We're a team of engineers creating the operating system for safe AI deployment at... ...market engine from the ground up. You'll work directly with the founding team to build, automate, and scale every part of our pipeline...Suggested
- ...the company | Founding Engineer | San Francisco, CA | Company: We are building an executive voice engine (the company). This is a multi‑agent AI system that learns how a leader thinks and produces content indistinguishable from what they'd write. Think: a specialized...Suggested
$350k
...conversations consistent and personalized across all channels. Reverse engineering legacy healthcare systems that don’t have public APIs to... ...who desperately need them. We’re looking for exceptional founding engineers to help us realize this ambition. If you’re an engineer...Contract workNight shift$100k - $200k
...innovation. Learn more at voicecursor.ai. Role Description This is a full-time, on-site role based in the San Francisco Bay Area. As a Founding Engineer, you will play a pivotal role in shaping the technical foundation of Voice Cursor. Your day-to-day responsibilities will...Full time10 hours per weekFlexible hours- ...looking for someone with a founder mentality, ready to own major product and business outcomes, not just tickets. This role is part founding engineer, part forward‑deployed engineer, and part customer success when it's needed, until the CS agents we're building take that over...Live in3 days per week
- ...Blind Bio is solving for. About the Role As an AI‑focused Software Engineer at Double Blind Bio, you will help build and operate... ...research workflows Experience working in early‑stage startups or founding teams Deep expertise in at least one area of the stack (frontend...Worldwide
- ...We’re hiring a Founding Full-Stack Engineer to join our team! This role is full-time in San Francisco at our Presidio office. Gauge helps companies show up in more AI answers. Search traffic is shifting away from Google into AI chat, and companies are figuring out how...Full timeWork at officeImmediate startShift work
$205k - $250k
...tldr: Kiloforge is looking for exceptional generalist founding engineers (full‑stack, AI, etc.) who are scrappy, have taste, and love building things to create the next generational company. what is Kiloforge: We’re building a new kind of company. Kiloforge is a company...- ...Career Launch is hiring for this role and related opportunities. Career Launch is hiring candidates for Founding Engineer roles and similar opportunities with fast-moving teams. This is a remote-friendly opportunity for candidates who are analytical, practical, and comfortable...Remote work
- ...huge: End-to end testing is broken. Teams either waste tons of engineering hours maintaining fragile, selector-based tests that break... ...that we're all professional firefighters (fun fact, one of our founding engineers was formerly an actual firefighter) Talk to customers...Work at officeNight shiftWeekend work
$280k - $420k
...and top-of-funnel motion. What You’ll Do Own Virio’s outbound engine end to end, including targeting, messaging, automation, and execution... ...impact and ownership Meaningful equity upside as part of the founding team Medical, dental, and vision insurance 401(k) plan All...Full timeWork at officeImmediate startRelocation package- ...About the Role We're looking for founding Machine Learning Engineers (MLEs) to own and improve our core action models end-to-end— the intelligence that powers Composite's proactive automation platform. You'll work at the intersection of LLM inference, browser understanding...
$180k
...The Role We're hiring a Founding Engineer to join an early‑stage company building AI‑powered software and data infrastructure for healthcare organizations operating in highly regulated, data‑intensive environments. This is a foundational engineering hire. You'll work directly...Work experience placement$200k
...of products for private market investing. As a Senior Software Engineer on Meridian, you’ll own the technical design and delivery of major... ...sequencing trade‑offs through launch and iteration. This is a founding engineer role on a zero‑to‑one product with meaningful...Work at office2 days per week$200k
...We’re looking for a highly ambitious Founding Engineer to join a fast-growing AI startup building the next generation of developer workflows for production codebases. This is a unique opportunity to work directly with the founding team and help shape both the product and...Full time$7.5k
...Founding GTM Engineer (Series A Fintech / EdTech) Location and Commitment San Francisco, CA or Phoenix, AZ (In-Person, Full Time) | Seniority: Founding / Senior IC | Equity: Meaningful Founding Stake The Mission Architecting the Financial Rails for the $900B School Choice...Full timeLive inWork at officeWork from homeRelocationVisa sponsorshipRelocation package- ...interact with AI. We are funded by leading VCs and are a startup-in-residence at the iconic design and innovation firm, IDEO. Founding Engineer To make this future possible, we’re hiring our first engineer. What we’re looking for is tenacity, creativity, and a refusal to...
- ...needed. No hand‑holding. No waiting for specs. You're a full‑stack engineer, an AI engineer, and a product engineer in one person. Former... ...impact this role will have. A seat at the table. This is a founding role, you'll shape the product and the company. We're building...
- ...researcher who has spent his entire career in enterprise AI, leading engineering teams from seed through Series C. The broader team includes... .... We hold a high bar of excellence that starts with the founding team. Background Deploying truly impactful AI Agents today requires...
$140k - $180k
...About the RoleJoin a small, high-velocity founding team as engineer #4, working directly with the CTO and fellow founding engineers at an AI-powered talent acquisition startup in San Francisco. This is a hands-on, high-ownership role where you'll ship features to production...Visa sponsorship- ...connections will form the foundation of the agentic internet – and Caylex will be the infrastructure powering it. The Role As a Founding Engineer, you’ll play a central role in shaping both our product and engineering culture. You will: Work full-stack across...Full timeWork at office
$120k - $180k
...Founding Engineer – Staff/Senior Location: San Francisco, CA Type: Full-time, In-person Flowtel is building the next-generation operating system for hospitality, powered by modern AI agents that can handle everything from booking to room service. We just launched, secured...Full time- ...platforms. Define Technical Strategy and Culture: You will collaborate closely with the founding team to shape technical strategies, influence product development, and establish our engineering culture and best practices. Proactive Problem Solving: You will drive success by...
- ...About Terac We’re building a search engine for human thought . While you might go to Google to search through the web, you come to Terac... ...major consumer companies. Joining now means being part of the founding team defining the next $100B market. The Role We’re looking for...
$180k - $280k
...Salary: USD180000 - USD280000 per annum + PTO + Benefits + 401(K) + Equity Founding Senior Software Engineer $180,000 - $280,000 + 1-2% Equity + 401(k) + Benefits + Flexible PTO San Francisco, CA - On-site (5 days/week) Are you a Senior Software Engineer with full stack...RelocationFlexible hours- ...Founding Engineer (Full Stack) Location: San Francisco Bay Area Type: Full-Time Compensation: Competitive salary + meaningful equity (founding tier) About the role We’re hiring a founding full stack engineer to help architect and build the platform from day one. This is...Full time
- ...company from scratch! About Our Team Our team is a group of five engineers, embodying a ‘small but mighty’ spirit. We are defined by our... ...’ve done this before (we love former founders + early stage founding engineers! All great talent is welcome, of course). Who You Are...Contract work
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