Founding software engineer jobs in United States

This is an early, · high-ownership engineering role focused on building the core agentic engine of a production AI platform. · Design and build production-grade AI agent workflows that plan execute and verify complex real-world tasks.Collaborate closely with founders to shape cor ...

We are partnered with a dynamic, early-stage startup who are building a co-pilot for chip designers. · Strong software skills - Python, C++, Rust, TypeScript. · Experience with LLM-based systems or agents, fine-tuning ML systems. · ...

A leading telehealth startup is seeking a full-time remote Founding Software Engineer to spearhead the development of their rapidly scaling platform. · ...

This is an early high-ownership engineering role focused on building the core agentic engine of a production AI platform. · Design and build production-grade AI agent workflows that plan execute and verify complex real-world tasks. · ...

This pivotal role involves crafting scalable backend systems that integrate seamlessly with open technologies like OpenTelemetry, · ensuring our platform remains at the cutting edge of observability solutions.Develop and scale the backend of their Telemetry Data Management Platfo ...

This is a true founding engineer role where you'll work directly with the founders to design build and ship the core AI product from day one. · Build and ship core product features end-to-endMake foundational architectural and technical decisionsWork closely with founders on prod ...

A high-growth startup is searching for a Founding Engineer to help build out its core product platform. This is a unique chance to join at the right time and drive technical direction. · Lead end-to-end development of critical product features across the stack. · Drive technical ...

We are partnering with a seed-stage SaaS startup building the next generation of tools for how software teams design, build, and ship products.This is a founding engineer role with direct influence over product direction, technical architecture, · and company culture from day one ...

We're building the fastest way to design and build industrial control panels. · At Blitzpanel, we're hiring an early team of high-agency builders who are irrationally curious and can steer the company in what they believe is best. · ...

We empower business owners to scale effortlessly by deploying AI Agents and AI Employees—digital team members that handle complex workflows, automate repetitive tasks, · and integrate seamlessly into existing business operations.This isn't a traditional \ ...

We're a YC W25 company building core infrastructure for the prediction markets ecosystem. We're looking for a Founding Engineer to work directly with the founders to own and scale the systems that power our platform. · Take clear, extreme ownership of critical backend and infrast ...

A top San Francisco based AI startup is looking for a strong full-stack software engineer to join their founding team. · Build autonomous agents: · Automate AI evaluation loops: ...

This is a rare opportunity to define the engineering culture and technical foundation of a company at the earliest stage.The candidate will operate with high ownership, move quickly from idea to production, and build systems that scale from research prototypes to enterprise deplo ...

We're an early-stage security tech company building a next-generation autonomous code analysis and bug-fixing platform. · ...

We are seeking a highly motivated and skilled Founding Software Engineer to be one of the first early-stage technical hires focused on building our core Artificial Intelligence (AI) platform. · ...

This is a rare opportunity to join as a true founding contributor with significant ownership and direct influence on every layer of the product. · ...

We are looking for a Founding Software Engineer to design and build the first-generation interface between our battery products, our customers, and our internal teams. · This role owns the software systems that connect our batteries to our customers and to us. · We are seeking so ...

The U.S. is in a Cold War-like space race to lead in physical AI and our supply chain needs urgent transformation to scale manufacturing of electronics for robotics. · ...

+We are looking for a Founding Software Engineer to join our team and help us build a high-growth organization. You will be responsible for designing complete product features from start to finish and collaborating with the NLP team working on state-of-the-art AI models.+ · ++• 5 ...

We re a pre-funding AI Saas company in stealth mode looking for a Founding Software Engineer to bring the MVP to life and beyond. · ...