- Jack & Jill/External ATS (San Francisco, CA)
- Founding Senior Software Engineer Salary:...VC-backed developer tools startup Job Description: Join as a founding engineer to build a world‑class ... 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
- 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)
- …to optimize and automate claims processing worldwide. Roles and Responsibilities Build the foundational backend and database infrastructure for Strala's AI-driven ... infrastructure, and containerized applications (Docker, GCP, AWS). Collaborate with the founding team to shape Strala's technology stack and engineering culture. Job… 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)
- …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 ... meaningful founding ‑team equity. Why join as a Senior Full Stack Engineer ? Own the product...engineering standards from the ground up. What you'll do Build full‑stack products & features that blend UX with… 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 ... we're looking for bold, ambitious people to help us build the gold standard for voice automation. If you...to complete). Intro Call (15‑20min) : Connect with our Founding Recruiter to get a deeper look at the… more
- Retell AI (Redwood City, CA)
- … production models that actually ship, and perform under real‑world constraints. As a Founding Senior Machine Learning Engineer at Retell, you'll work across ... we're looking for bold, ambitious people to help us build the gold standard for voice automation. If you...to post‑deployment monitoring-and shape our ML strategy alongside the founding team. If you're excited by hard technical challenges,… 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
- 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 ... service. Driven by our core values, we push boundaries, build with speed and intensity, and consistently deliver incredible...Bonus points if you're a former founder or early engineer at a startup. You are interested in AI/ML.… 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… 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 ... You'll also be a foundational part of how we build the culture at Vapi. Outcomes Own scalability projects...or annoy everyone until it's done ;) Qualifications Previous Founding /Infrastructure/DevOps Engineer 1+ year of experience with… 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
- Clearpath (San Francisco, CA)
- …Our "unit of success" isn't revenue-it's policy outcomes. We're now looking for a Founding Software Engineer to build the core technology that makes ... quickly. Our mission is to organize civic leaders to build a 21st-century government. We are focused on "policy...government systems. Background in early-stage startups or as a founding engineer . Strong product and UX instincts.… more
- Aeone (Bellevue, WA)
- … the future of marketing tech - powered by cutting-edge AI. We're looking for a founding engineer who wants to own the technical vision and lead engineering from ... bold ideas, not tedious workflows. Founded by af ormer Senior PM at Amazon , we are supported by...within 6 months. Job Description The Role You will build Aeone's web and mobile applications from the ground… more
- Menlo Ventures (San Francisco, CA)
- …building consumer-grade software Experience in scaling and working with enterprise clients Founding engineer experience at pre-seed through series A or B ... technologies like agentic AI, LLMs, and Retrieval-Augmented Generation (RAG) to build a platform that guarantees enterprises millions in savings on their… more
- Seekeasy (San Francisco, CA)
- The Opportunity As a senior web & mobile frontend engineer at...culture of innovation. Who you are You are a builder : You love to build , ship, get ... beautiful user experiences, and help define the way we build consumer applications that scale to millions. Build...and fast pace of startup environments. A seasoned software engineer with 8+ years of experience and a track… more
- EarlyStage Partners (Sunnyvale, CA)
- …multi-billion dollar portfolios. What are we looking for? We're in search of a Senior Generative AI Engineer who brings deep expertise in building and deploying ... AI and human data professionals. Large-Scale RAG Systems : Build and optimize retrieval-augmented generation pipelines that can efficiently...generation of AI-powered data tools. Team Growth : Help build and mentor a growing team of AI engineers,… more
- Recruiting From Scratch (San Francisco, CA)
- …America, South America, and Europe to help them hire. https://www.recruitingfromscratch.com/ Senior Data Platform Engineer - Fast-Growing YC-Backed Startup ... and implement scalable data platforms handling terabyte-scale IoT and time-series data Build and optimize both streaming and batch data pipelines supporting core… more
- RainesDev (San Francisco, CA)
- An innovative tech startup in San Francisco is seeking a mid to senior level Python backend developer. The role involves designing and maintaining scalable backend ... over 4 years of Python development experience and demonstrated ability to build production-grade systems. A strong understanding of cloud infrastructure and AI… more
