Founding Engineer Jobs - May 2026

Octozi is a revenue-generating seed-stage company building AI agents for clinical development workflows. Bringing a drug to market can take a decade and cost up to $2B, keeping treatments expensive and delaying life-saving therapies for the patients who need …

MintMCP helps enterprises safely roll out agents to the entire organization with governance around MCP tools and agents (e.g., Claude Code / Codex / Cowork). They are building an MCP gateway with abstractions for 1) preventing agents from doing unintentionall…

Kiloforge is a company factory: a system that autonomously ideates, validates, builds, and distributes software products. Before AI, many niche communities and problems had no way to be served with first-class, high-quality software; as software trends toward…

Building an executive voice engine (Eve), a multi-agent AI system that learns how a leader thinks and produces content indistinguishable from what they'd write. Role includes full AI stack and product: agent orchestration, evals, RAG, prompt chaining, model t…

Strix is building the largest open-source AI pentesting framework. The role is for a founding engineer to help take a 0→1 journey and own the architecture of an already-at-scale product. You will work across infrastructure, product, and research tooling, usin…

Founding Engineer role joining co-founders (Neil, CEO and Jeff, CTO) as the first employee. Own systems and architecture with end-to-end ownership across the stack: database, geostatistical backend services, and 3D client-side rendering. Work rooted in agenti…