- Jack & Jill/External ATS (San Francisco, CA)
- Founding Senior Software Engineer Salary: $200k-$325k + Equity Company Description: VC-backed developer tools startup Job Description: Join as a founding ... a team. Location: San Francisco, USA Why this role is remarkable: Founding employee status with significant equity (1.5‑3%) in a high‑potential seed‑stage venture.… more
- Retell AI (Redwood City, CA)
- A leading Voice AI startup in Redwood City is seeking a Founding Senior Software Engineer for Infrastructure. This full-time role involves owning and ... designing deployment pipelines in cloud and on-prem environments. Candidates should have at least 3 years of experience in cloud services and container orchestration. The position offers a competitive salary between $215k and $290k, excellent benefits, and… more
- Toma, Inc. (San Francisco, CA)
- A fast-growing AI company in San Francisco is seeking a Senior Founding Engineer to lead technical direction and manage the core platform infrastructure. ... This hands-on role includes mentoring engineers and developing ML/LLM deployment pipelines. Qualified candidates should have at least 3 years of infrastructure engineering experience, deep AWS expertise, and strong systems design skills. Benefits include… more
- Toma, Inc. (San Francisco, CA)
- …more about us here. Employment Type Full time About this Role We're searching for a Senior Founding Engineer to own and set technical direction for our core ... platform. You'll mentor engineers, collaborate closely with product and design, and help create fast, reliable, and magical user experiences. This is a deeply hands‑on role-expect to write production code, review contributions, shape our architecture, and… more
- DRH Search (San Francisco, CA)
- A fast-growing startup in San Francisco seeks a Founding Sr. Engineer to lead a team and redefine insurance claims processing. You will create specs, build ... scalable infrastructure, and deploy code from day one. The ideal candidate has 5+ years in Python and backend development, strong problem-solving skills, and experience in startups. This is an on-site role with significant leadership opportunities as you find… more
- RainesDev (San Francisco, CA)
- …infrastructure, and containerized applications (Docker, GCP, AWS). Collaborate with the founding team to shape Strala's technology stack and engineering culture. Job ... Requirements Experience: 5+ years in backend development (Python, Go, or Node.js). Startups: At least 1+ year in an early-stage, high-growth startup ( Scalability: Proven track record in scaling systems 100x. Infrastructure & Databases: Strong experience with… more
- The LLM Data Company (San Francisco, CA)
- …Design and implement scalable RL recipes for post-training task-specific models Develop modular environments, reward functions, and evaluator scaffolds for internal ... and customer-facing tasks Drive research at the intersection of scalable infra and modern RL frameworks to enable RL-as-a-service Drive foundational research to publish open source environments and training data Build data generation and curation pipelines to… more
- Jack & Jill/External ATS (San Francisco, CA)
- A VC-backed developer tools startup in San Francisco seeks a Founding Senior Software Engineer to build a firmware development platform. In this hands-on ... role, you'll influence product strategy and architecture while working closely with the CTO. The ideal candidate has 4+ years of experience with full-stack development, particularly in scaling products for technical users, and is interested in firmware and… more
- PetsApp (Palo Alto, CA)
- A leading healthcare AI startup is seeking a Cloud Infrastructure Engineer ( Senior /Staff level) to architect and optimize platform infrastructure in Palo Alto. ... With a commitment to improving patient outcomes through innovative technology, this role offers ownership and engagement in developing solutions to handle diverse healthcare data. Candidates should possess proficiency in Python, Terraform, and a solid… more
- PetsApp (Palo Alto, CA)
- …and comprehensive medical, dental and vision insurance for employees and their families. Founding Cloud Infrastructure Engineer ( Senior or Staff level) You ... solve fundamental challenges in driving patient insights from healthcare data. Our founding team comprises former Stanford PhDs and postdocs in clinical informatics… more
- Getclera (San Francisco, CA)
- Senior Full Stack Engineer - Founding Team About this role About Fulcrum Fulcrum is re‑wiring the insurance‑brokerage industry with AI agents that let ... in‑person environment. Top‑of‑market rewards. Competitive base salary plus meaningful founding ‑team equity. Why join as a Senior ...meaningful founding ‑team equity. Why join as a Senior Full Stack Engineer ? Own the product… more
- Retell AI (Redwood City, CA)
- …of the fun for us, but we know it's not for everyone. ABOUT THE ROLE As a Founding Senior Software Engineer - Infrastructure , you'll be the owner of our ... on practical problem‑solving (7 days to complete). Intro Call (15‑20min) : Connect with our Founding Recruiter to get a deeper look at the team and the work you'll… more
- Retell AI (Redwood City, CA)
- …build production models that actually ship, and perform under real‑world constraints. As a Founding Senior Machine Learning Engineer at Retell, you'll work ... pipelines to post‑deployment monitoring-and shape our ML strategy alongside the founding team. If you're excited by hard technical challenges, fast iteration,… more
- Intercom (San Francisco, CA)
- …gap between their business goals and our AI Agent for Customer Service, Fin. As a founding Senior Forward Deployed Engineer you'll get to interact with our ... using something you've created. Bonus points if you're a former founder or early engineer at a startup. You are interested in AI/ML. You're good at quickly building… more
- Retell AI (Redwood City, CA)
- A cutting-edge Voice AI startup in Redwood City is seeking a Founding Senior Machine Learning Engineer to build production models that handle real-time phone ... conversations. The ideal candidate will have experience fine-tuning models, deploying them at scale, and collaborating with engineering teams. This role offers a competitive base salary and equity, as well as extensive benefits, including healthcare and… more
- Getclera (San Francisco, CA)
- A pioneering tech company in San Francisco is looking for a Senior Full Stack Engineer to drive product development and work alongside enterprise users. You'll ... build innovative solutions using a cutting-edge tech stack including TypeScript, React, and AWS. Ideal candidates will have 3-5 years of experience in software development, a passion for user experience, and the ability to thrive in a fast-paced environment.… more
- Slope (San Francisco, CA)
- …150k developers, adding 1000 every day. Give it a try here The Role The Founding Senior Engineer (Infra) will be responsible for scaling Vapi's real‑time ... build it yourself or annoy everyone until it's done ;) Qualifications Previous Founding /Infrastructure/DevOps Engineer 1+ year of experience with a seed or… more
- Amadeus Search (San Francisco, CA)
- Role: Founding Fullstack Engineer Location: New York or San Francisco (hybrid, 3-4 days in office + 1 weekend day remote) Compensation: $150k - $220k + 1%-1.5% ... major tech companies and institutions. They've also brought on senior commercial/legal leadership to accelerate customer adoption. About the...to accelerate customer adoption. About the Role As a Founding Fullstack Engineer , you'll be among… more
- Sprinter Health, Inc. (San Francisco, CA)
- A healthcare innovation company in San Francisco seeks a Senior Software Engineer to join their new AI-focused incubator teams. The ideal candidate should have ... at least 5 years of full-stack or backend experience and a passion for agentic AI. This role offers the opportunity to make a difference in delivering care directly to patients' homes while enjoying pre-IPO equity and flexible work arrangements. Join a team… more
- Clearpath (San Francisco, CA)
- …political campaigns, or government systems. Background in early-stage startups or as a founding engineer . Strong product and UX instincts. Curiosity about using ... isn't revenue-it's policy outcomes. We're now looking for a Founding Software Engineer to build the core...City Mayor Giselle Hale on The Realignment Podcast: AN Senior Advisor Jen Pahlka on Ezra Klein Why This… more
