56 Founding Engineer jobs
Founding engineer roles building the first product at early-stage startups.
Member of Technical Staff, Agents
Build and improve autonomous AI agents that handle real executive workflows end to end. The role focuses on designing agent capabilities, defining evaluation frameworks and quality metrics, and investigating production failures, using Python and SQL on large datasets.
Senior Member of Technical Staff
Senior backend engineer at an early-stage public safety startup building AI-powered evidence search and analysis tools for law enforcement. The role involves designing secure distributed systems, deploying LLMs and vision models in production, and building RAG pipelines, semantic search, and agentic systems over unstructured investigative data.
Senior/Staff Software Engineer, Platform
Backend/platform engineer at an early-stage AI and manufacturing supply chain startup, building Next.js API services, PostgreSQL schemas, event-driven pipelines, and productionizing LLM-based agents and RAG for quote analysis and supplier recommendations. Core stack: TypeScript, Next.js, PostgreSQL, serverless, AI/ML infrastructure.
Member of Technical Staff
Join a small engineering team building AI software for hospitality operations, owning full-stack components that handle guest requests—from intent understanding and retrieval to tool orchestration and response generation. Core technologies include Python/Go/Rust/Java, retrieval systems, prompt engineering, and real-time voice transcription.
Software Engineer
Early-stage B2B startup building a platform for automating supply chain integrations. The engineer designs AI coding agents and the infrastructure/runtime that hosts integrations, owning core systems end to end using TypeScript, React, Bun, Effect-TS, PostgreSQL, Kubernetes, and AWS.
Founding Engineer
As the first engineering hire at an early-stage AI company, you will rebuild and scale an AI-powered service business product into infrastructure for AI agents, working across backend, infrastructure, frontend, and agent systems. Core technologies include LLM/AI agent orchestration, memory, verification, and reliability systems.
Software Engineering Praktikum (m/w/d)
Internship building new features for KnowWay's AI products, developing interfaces that let AI agents talk to customer systems and data, writing tests and doing code reviews, with optional Docker/Kubernetes deployment work. Core stack: TypeScript, Python, PostgreSQL.
Head of Flight Software Engineer
Leads development and integration of the flight software stack, building ground mission‑operations tools and vehicle‑side embedded software, while collaborating with avionics, GNC, and systems teams and overseeing CI/CD, testing, and simulation for autonomous spacecraft.
Engineering Manager
Kernel is hiring a hands-on Engineering Manager (player-coach, ~20% coding) in London to lead a team building its business-identity registry for AI agents. The role owns engineering delivery, hiring, and technical direction across a stack of AWS, NodeJS, TypeScript, Postgres, Clickhouse, Kubernetes, and NextJS.
Fluid Systems Engineer, Propulsion (m/f/d)
The Fluid Systems Engineer develops, analyses, and validates propulsion fluid systems for launch vehicles, handling requirements, modeling, CAD design, testing, and flight‑operations support using fluid dynamics, Python and CAD tools.
Founding Engineer, NLP Systems & Infrastructure
The founding engineer will turn a research‑grade NLP prototype into a production system, designing data and ML pipelines, cloud/on‑prem architecture, and building APIs, while hiring and leading the engineering team. Core tech includes Python, PostgreSQL, vector stores, React/Vue, Docker/Kubernetes.