- Fromolive (San Francisco, CA)
- A pioneering tech startup in San Francisco seeks a founding engineer to join their small, agile team. You will push the limits of full-stack software creation ... using LLMs to build internal tools. Ideal candidates should have impressive technical backgrounds, enjoy navigating ambiguity, and have a passion for startups. This role offers a unique opportunity to shape and influence product development and engineering… more
- Fabrion (San Francisco, CA)
- About the Role ML Ops Engineer - Agentic AI Lab ( Founding Team) - Location: San Francisco Bay Area - Type: Full-Time - Compensation: Competitive salary + ... one of the industry's most critical infrastructure problems. Our AI Lab is pioneering the future of intelligent infrastructure...startups or autonomous roles, prior experience as a founder, founding engineer , or a 0-1 pre-seed startup… more
- DRH Search (San Francisco, CA)
- A profitable startup is seeking a founding frontend engineer to lead the product frontend development, including an AI platform for automating software ... Located in San Francisco, this onsite role offers a unique opportunity to work in a dynamic environment focused on AI and developer tooling . #J-18808-Ljbffr more
- Toma (San Francisco, CA)
- …of net new AI features and products (dashboard, real‑time voice AI , support tooling ) Write production‑grade TypeScript across the stack (Next.js, Bun) ... We're building the AI platform for underserved industries. LLM usage has...here. About this Role We're looking for a Software Engineer hungry for ownership and eager to drive real… more
- Rockstar (San Francisco, CA)
- …something big are in the right place. Role Overview The company is hiring a Founding Engineer (Full‑Stack) to work in‑person, 5 days/week, in San Francisco as a ... Backed by leading investors, the team is building an AI ‑powered platform to make pediatric therapy more independent and...hires the best people and compensates them accordingly. The Founding Engineer will be an equal thought… more
- Reducto, Inc. (San Francisco, CA)
- …investors such as A16z, Benchmark, and First Round Capital, and are hiring a Founding Forward Deployed Engineer who can help us capitalize on our early ... Reducto helps AI teams ingest real world enterprise data with...momentum. The Opportunity As our founding Forward Deployed Engineer at Reducto, you'll… more
- Reducto (San Francisco, CA)
- …world class investors like A16z, Benchmark, and First Round Capital, and are hiring a Founding Forward Deployed Engineer who can help us capitalize on our early ... About Reducto Reducto helps AI teams ingest real world enterprise data with...momentum. The Opportunity As our founding Forward Deployed Engineer at Reducto, you'll… more
- Fabrion (San Francisco, CA)
- DevOps Engineer ( Founding Team) Location: San Francisco Bay Area Type: Full-Time Compensation: Competitive salary + meaningful equity ( founding tier) Backed ... most critical infrastructure problems. About the Role We're building an AI -native, multi-tenant enterprise platform for complex domains in industrial verticals. In… more
- Fabrion (San Francisco, CA)
- Frontend Engineer (with familiarity of full stack) ( Founding Team) Location: San Francisco Bay Area Type: Full-Time Compensation: Competitive salary + meaningful ... equity ( founding tier) Backed by 8VC, we're building a world-class...features fast in a low-process, high-trust environment Work on AI -native tooling that blends backend intelligence with… more
- Fabrion (San Francisco, CA)
- Founding Engineer (Full Stack) Location: San Francisco Bay Area Type: Full-Time Compensation: Competitive salary + meaningful equity ( founding tier) Backed ... working on infrastructure that combines large‑scale data systems with AI ‑native agents. This is a highly autonomous, high‑leverage role...startups or autonomous roles; prior experience as a founder, founding engineer , or a 0‑1 pre‑seed startup… more
- Datawizz (San Francisco, CA)
- …best model - significantly reducing costs and improving accuracy. The Role As a founding full-stack engineer , you'll own the application layer of our platform - ... We started in 2025 with the mission of making AI efficient, affordable and more accurate than ever before....source products. You will: Build user-facing dashboards and developer tooling for monitoring, evaluating, and managing models. Design and… more
- DRH Search (San Francisco, CA)
- Overview We're assisting a well‑funded startup with their search for Founding Forward Deployed Engineers. Their product helps AI teams turn complex documents ... complex enterprise constraints (eg air‑gapped, custom auth, strict latency targets). Building tooling to make deployments faster, more reliable, and easier to debug.… more
- DRH Search (San Francisco, CA)
- We're assisting a profitable startup with their search for a founding frontend engineer . Their product is an AI platform that automates software testing. The ... a demonstrated ability to own large frontend projects An interest in developer tooling and AI . They are driven by the idea of accelerating other engineers with… more
- Kalos AI (San Francisco, CA)
- …We're hiring on many fronts and it's time to go faster. Role Description As a founding engineer , you won't just write code - you'll help shape product, culture, ... in San Francisco, CA. We built Blue - an AI Agent that is the world's best performance marketer....roadmap, and architecture Lay the foundations for engineering culture, tooling , and processes Help build and mentor the early… more
- Tryflint (San Francisco, CA)
- … #2 at Vooma (YCS23). Every single member of the Flint team has been a founding engineer / founder. Early stage best practices are in our team's DNA. Because ... Levine, Accel Flint is led by co-founders Michelle Lim, Engineer #1 turned Head of Growth and Product at...instinct across our GTM team. Experience selling B2B SaaS, AI tooling , or workflow automation products. Background… more
- The LLM Data Company (San Francisco, CA)
- A pioneering AI firm in San Francisco is seeking an experienced professional to drive scalable RL research and build innovative data generation pipelines. The role ... should have a Master's or PhD in Computer Science, expertise in core tooling like PyTorch, and familiarity with modern post-training techniques. Join as an early… more
- The LLM Data Company (San Francisco, CA)
- …provides post-training data and RL environments to foundation model labs and frontier applied AI companies. We have raised $3.6m from Tier 1 VCs and are growing ... or Master in Computer Science or related field Comfort with core tooling (verl, PyTorch, etc.) Familiarity with modern post-training techniques (GRPO, etc.)… more
- Sawmills.AI Inc. (San Francisco, CA)
- …systems. By integrating deeply with OpenTelemetry and cloud-native infrastructure, Sawmills AI enables teams to reduce observability cost, improve data quality, and ... secret management efforts to harden platform security Build internal developer tooling /SDKs (Go /TypeScript) that speed micro service bootstrapping/ enforce coding… more
- Reducto, Inc. (San Francisco, CA)
- …class investors like A16z, Benchmark, and First Round Capital, and are looking for a Backend/ AI Engineer . The Opportunity As a Backend/ AI Engineer , ... Reducto helps AI teams ingest real world enterprise data with...to improve LLM accuracy and reduce latency Building internal tooling and evals to better understand/analyze failure cases Working… more
- Medium (San Francisco, CA)
- …Deliver: Artera, a SaaS leader in digital health, transforms patient experience with AI -powered virtual agents (voice and text) for every step of the patient ... virtual agent options to meet healthcare organizations where they are in their AI journey. Artera helps support 2B communications in 109 languages across voice, text… more
