Founding Engineer Jobs

VozParking is an early-stage mobility startup focused on helping drivers make faster, clearer parking decisions under pressure. This is not meant to replace Google Maps or Waze. It’s a parking decision layer that sits on top of navigation tools, wit…

Korva is building the AI-native operating system for health plan administration. Self-funded health plans cover 100M+ Americans, yet third-party administrators (TPAs) run them on manual processes and legacy software. We're rebuilding that back offic…

Arvo is building an AI meeting assistant for investment banking and private equity. Hiring a Founding Engineer to work closely with the founders across desktop, backend, and AI workflows. High-ownership role with significant influence on product, ar…

Bustem helps e-commerce brands find and shut down copycats, counterfeiters, and unauthorized sellers. In <12 months the company reached $3M+ ARR, 150+ brands, profitable with no outside capital. Hiring a Founding Engineer to build core systems for d…

We're building the operational memory and state management layer for production AI agents — persistent execution history, shared state, and ACL-gated memory so agents get more reliable over time without constant human intervention. Well funded and a…

Every time two companies in the physical economy need to exchange data, someone builds a custom integration by hand. Analysts, engineers, QA. All manual. Every time. Google "EDI" if you haven't. It's wild. We built AI agents that do the whole thing:…

I'm Gio, CTO of Foundry Robotics. We're an early stage startup building robotics for manufacturing applications. We are looking for people with one or more of these skills: 1) Tinkerer/mechanical engineer -- Build robots in our lab with a mix of des…

Founding Engineer role at GenTube. Turning consumers into creators; AI creation as entertainment. Early signals: ~10M creations/month, daily usage. Responsibilities: own core loop (create → remix → repeat), real-time generation (latency, cost, scale…

Promptless (YC) builds AI agents that automatically update customer-facing documentation. YC-backed seed-stage startup. Two founding roles in San Francisco (onsite): Founding Docs Practice Lead — own the documentation practice, onboard customers, bu…

AI health coaching startup with a live product built on biomarkers (DNA, wearables, labs, food logs). Seeking a Founding Engineer to own architecture and infrastructure, modernize the stack (containerize, CI/CD), and lead a HIPAA-compliant AWS migra…

MintMCP helps enterprises safely do more with Agents by building an MCP gateway with the abstractions enterprises need to deploy long-running agents across organizations while limiting blast radius and providing appropriate tools. The small team ope…

Scorecard builds simulation environments and reward models that frontier AI labs and enterprises use to train and evaluate their agents. Founding team built simulation infrastructure at Waymo, SpaceX, and Uber ATG. Company is ~7 people, $3.75M seed …

BetterDB is building the tooling ecosystem for Valkey, the high-performance Redis fork backed by AWS, Google, and Oracle. Starting with observability — historical persistence, pattern analysis, anomaly detection, and Prometheus export — so you can d…

Tracebit is an Accel-backed, UK-founded security product company taking a new look at canaries for intrusion detection. They work with companies such as Docker, Riot Games, Synthesia and Zepz. Hiring founding roles based in London and New York (Foun…

Korva is building the AI-native operating system for health plan administration. Self-funded health plans cover 100M+ Americans, yet third-party administrators (TPAs) run them on manual processes and legacy software. We're rebuilding that back offic…

Hearo (Remote) — Founding Engineer — AI Product Intelligence Platform. Hearo is building an AI platform that turns public internet conversations (Reddit, app reviews, online communities) into structured product intelligence to help founders and prod…

Tracebit is an Accel-backed, UK-founded security product company focused on canaries for intrusion detection. They work with companies like Docker, Riot Games, Synthesia, Zepz. Hiring founding roles across London and New York with equity offers; rel…

Mobasi builds autonomous AI agents for digital forensics. Our software orchestrates 150+ forensic tools to help law enforcement turn days of manual evidence analysis into minutes, aiding in cases involving child exploitation, trafficking, and homici…

Every time two companies in the physical economy need to exchange data, someone builds a custom integration by hand. Analysts, engineers, QA. All manual. Every time. Google "EDI" if you haven’t. We built AI agents that do the whole thing: gather req…

Halfpricesoft is a profitable, bootstrapped company serving small business payroll and tax compliance for 20 years. The Founding Engineer will report to the Founder, own the technical roadmap, lead the transition from legacy systems to a modern clou…