2,916 Founding Engineer jobs
Founding engineer roles building the first product at early-stage startups.
Senior Engineering Manager, Data & AI
Leads Alvys's Data & AI engineering group (~8 engineers) building the Foundry, Insights, Intel, and Voice agent/analytics products for its freight TMS platform. Stays ~1/3 hands-on on LLM agents, evals, and the context graph, on .NET, TypeScript, and Python across Azure, Snowflake, dbt, Cosmos DB, and Postgres.
Member of Technical Staff – Simulation
At General Intuition (the AI lab built on Medal's gaming-clips platform), you'll own robot simulation end to end: training low-level controllers with reinforcement learning in sim and building environments realistic enough to train in, from physics solver settings up to controller integration. In-person role in New York, Geneva, or Zurich.
Senior Software Engineer, Agentic Systems
Senior engineer at CareLink (by Asepha), a funded healthcare startup building agentic AI for pharmacy medication workflows. Day to day: design autonomous agents, orchestration layers, and backend services using Python/TypeScript, FastAPI, and cloud infrastructure. Requires commuting to the Manhattan office 3 days/week (also posted for Toronto).
Founding Software Engineer
Founding engineer at an early-stage AI/robotics startup in Munich building orchestration infrastructure that connects AI agents with laboratory instruments — designing distributed systems, data/provenance systems, and developer APIs. Requires 3+ years of production experience, with strong Python or Rust skills.
Founding Engineer, Infrastructure
First infrastructure hire at an early-stage B2B SaaS startup, building and operating a cloud runtime with durable execution, infrastructure for coding agents, observability, and a self-hostable single-tenant deployment platform. Core stack includes Kubernetes, TypeScript, PostgreSQL, AWS, and Docker, on-site in San Francisco.
Founding Engineer
Founding engineer at an early-stage startup building software for industrial battery storage. Day to day: write backend services and real-time optimization algorithms in Python, build React/TypeScript operator dashboards, and scale cloud infrastructure (AWS/GCP/Azure) for distributed energy assets, working on-site in Munich.
Software Engineer, Foundation
Foundation engineer at a Series B edtech startup building an AI-powered learning platform: own core parts of a Flutter mobile app, build agentic/AI infrastructure (MCP servers, agent platforms, evals), improve CI/CD and developer tooling, and ship user-facing features. On-site in Berlin; no visa sponsorship.
Sr. Software Development Engineer
Senior software engineer at iSpot.tv, a TV ad measurement company, owning mission-critical big-data domains that process massive media metadata streams on AWS. Day to day: architecture and code reviews, CI/CD and platform engineering, cost optimization, and mentoring, with an 'AI-native' expectation of using and championing AI coding tools (Java, Spring Boot, MySQL, RabbitMQ, Kubernetes).
Product Engineer (Software Engineer)
Backend product engineer at Clera, a Series A fintech building consumer financial tools for cash flow, earnings access, and credit building. You'll ship end-to-end features (domain models, business logic, API integrations) in event-driven systems, working with REST APIs, Kafka/Pub/Sub, PostgreSQL/MySQL, and CI/CD.
Senior Software Engineer, Web
Frontend-leaning senior engineer building Clinical Intelligence features (AI assistants, patient context, EHR-integrated workflows, audio-centric tooling) in Knowtex's healthcare web app. Stack is React, TypeScript, Node.js and Python Lambdas on AWS, incl. GovCloud; in-office 3 days/week in San Francisco.
Software Engineer: Perception (II,III)
Mid-career (II/III) software engineer joining Lodestar's perception/machine-vision team in Los Angeles to build and optimize computer vision and ML models that detect, classify, and track unknown space targets in real time for the MITHRIL autonomous spacecraft-protection platform, including edge/GPU optimization, relative-pose prediction, and integration into mission simulation and autonomy pipeli
Founding Engineer H/F
Founding AI/ML engineer at a funded 18-month-old Paris startup building a real-time marketplace where airlines trade takeoff slots. Day to day: build ML models (time series, graph/Markov, geospatial), ship production Python/C++ code, read research, and help shape product. €60-75k + bonus + BSPCE, hybrid (2 days remote/week).
Sr. Software Development Engineer
Lead a full-stack team building AI-augmented ad-tech platforms with React, TypeScript, Node.js/Python/Go, and scalable data pipelines that power creative, audience, and outcomes features.
Software Engineer, Developer Platform
A Senior Software Engineer on the Developer Platform at Pave, leading initiatives for CI/CD, observability, and AI-assisted workflows to improve developer velocity and reliability, using technologies like TypeScript, Node.js, and Kubernetes.
Software Development Engineer II (0-15 Days Joiners only)
Backend-focused SDE II role at a product/startup in Bengaluru: building services in Java/Spring Boot with Python for scripting, MySQL schema design and query optimization, and REST/microservices. Requires Git, CI/CD and SDLC experience; AWS and NodeJS containerization are a plus. 3-6 years' experience, immediate joiners (0-15 days).