Founding Engineer
Agenthublabs
The Role: You will work directly with the founders on the core product and in shaping the future roadmap. You’ll have significant ownership and make foundational technical decisions. This role is a fit for you if you’re looking to wear many hats and are excited about our mission to define the infra layer for agent evaluation. What you will do: Design and build the core platform and infrastructure to define, run, and extract insights from agent simulations. Define the ideal user experience for the product and continue to shape it as it evolves. Critical and out-of-the-box thinking encouraged. Work closely with customers to onboard them, provide continuous support, and collect feedback. Signs you might thrive in this role: Bachelors/Masters/PhD in Computer Science or related field. Passionate about building category-defining products. Demonstrated experience working on LLM-systems and infra (optional but great to have). Strong background in systems and infrastructure. Enjoy owning, scoping, developing, and maintaining features end-to-end. Confidently navigates through ambiguity and thoughtfully considers tradeoffs and design decisions. #J-18808-Ljbffr
- ...A pioneering hardware company in San Francisco seeks a founding engineer to lead the development of an advanced edge computing device. You will own the entire hardware product lifecycle, focusing on rugged designs and seamless data transmission. Ideal candidates have over...Suggested
- Mentum (Acquired by Nuvocargo) is seeking a Founding Engineer in San Francisco, CA to build AI-driven solutions for supply chain automation. This role offers a unique opportunity to shape the future of the product and tackle complex challenges in AI. You will be responsible...Suggested
- Join Hire Hangar and work with fast-growing global companies while building a long-term career. Job Title| Founding Systems Engineer (Performance) Location | On-Site — San Francisco, CA Time Zone | PST Role Overview: We are seeking a Founding Systems Engineer to join...SuggestedContract work
- SupportFinity™ in San Francisco is looking for a Founding AI Systems Engineer to build core systems for a leading AI companion in language learning. You will develop AI architecture that ensures personalized conversations for millions, addressing challenges like memory...Suggested
$180k - $250k
We’re hiring a Founding AI Systems 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...Suggested$120k - $200k
Red Cedar Ventures seeks a Founding Engineer to build the core intelligence behind AutoSitu’s review agents. This role offers a unique opportunity to shape product direction and work closely with founders. You will develop multimodal systems that enhance construction documentation...- A technology company in San Francisco is seeking a Founding Fullstack Engineer to build scalable systems that automate complex decisions in manufacturing. Ideal candidates will have experience with data-driven agents, strong product sense, and the ability to ship production...Relocation
- TruNorth LTD is seeking a Founding Software Engineer to join its San Francisco team or London-based candidates willing to relocate in 2026. This role focuses on building enterprise-grade AI agents for Fortune 500 clientele. The ideal candidate will have a passion for early...Relocation
- SupportFinity™ is seeking a Founding Engineer to lead development of a consumer crypto app, joining as the first engineering hire with a growing user base. You will own core features and drive architecture across the stack. Work across the core app, SDKs, and integrations...
- Trajectory, based in San Francisco, is seeking a Founding Generalist Engineer to craft the product experience for continual learning. The role involves owning the SDK and API surfaces while working directly with founders and industry-leading partners. Ideal candidates...
- ...companies within our portfolio by connecting them with talented potential candidates. One of our portfolio companies is hiring a Founding Engineer to lead development on a consumer crypto app that’s already live with meaningful traction. This is not a listing for an...Remote workWorldwide
$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$180k
...People Culture Talent. We're excited to help connect talented professionals with this exceptional team! The Role We're hiring a Founding Engineer to join an early stage company building software and data infrastructure for organizations operating in a highly regulated,...Work experience placement- ...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...
- ...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...
$150k - $250k
About the Role Join a small, high-velocity founding team at a Y Combinator-backed AI startup building brand intelligence tooling at the intersection of AI research, product, and engineering. As a Founding Engineer - Full Stack, you'll help companies understand how large...Full time- ...As a founding member of our engineering team, you’ll play a pivotal role in building the data and evaluation infrastructure that powers frontier models. Joining as one of our earliest hires, you’ll take on significant ownership – leading projects from start to finish...Immediate start
- ...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...
$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- ...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
$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- ...Founding Engineer — AI Infrastructure / OSS / Systems Stack: Rust, Distributed Systems, Graph Infrastructure, Lakehouse Architecture, AI Agents We’re building core infrastructure for autonomous AI systems. At the center is a lakehouse‑native graph database designed for...
$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...Remote workVisa sponsorship$175k - $375k
...Founding Engineer - build the platform that lets enterprises actually deploy AI agents Are you a product-minded engineer who ships fast and owns outcomes end-to-end? Have you been the person who takes something from concept to launch without waiting for a spec? Do you...H1bWork at officeVisa sponsorship- ...Candidate Data Infrastructure - "Senior SWE" and "Sr. Software Engineer" are the same thing, but keyword search doesn't know that. Build... ...jobs." "Own green‑field systems, ship daily, and receive founding‑level equity in a pre‑seed startup backed by top investors." "Relocate...Full timeWork experience placementH1bLive inRemote workRelocationVisa sponsorshipFlexible hoursDay shift
$145k - $195k
...The Role We’re hiring our first Founding Engineer — someone who will work alongside the founder to build Multifactor’s platform from the ground up and shape the technical foundation of the company. This is not an “early employee” role where you slot into an existing codebase...Work at office- ...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
$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- ...the Builders Build TierZero’s mission is to accelerate software engineering. Today, engineers spend 50-70% of their time not building -... ...productivity market waiting to be reclaimed. Highlights Team : Our founding team is made up of pioneers in AI agents - staff and principal...Work at office3 days per week
- ...tens of thousands of members and have raised over $10M from some of the leading VC firms in Silicon Valley. Why we need you As a founding engineer, you’ll be responsible for building the engine that help clinicians practice care at the top of their licensure. From patient-...Full timeWork at officeRelocation
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