2,917 Founding Engineer jobs
Founding engineer roles building the first product at early-stage startups.
Vision Systems Engineer
Leads the vision stack of Acteris, an AI-powered industrial robotics platform — from selecting and calibrating industrial 2D/3D cameras to building perception skills like localization and pose estimation and owning production quality gates. Core tech: C++, Python, RGB-D/3D sensors, point clouds.

System Integration Engineer
System Integration Engineer at Wayve leads the integration and bring-up of autonomous vehicle platforms, prototyping, assembling and debugging hardware/software systems on vehicles, development benches and HIL rigs, and troubleshooting fleet issues. Needs broad hands-on skills across electrical, mechanical and software (Linux, C++/Python).
Software Engineer
Build and maintain cloud-native infrastructure for smart hardware in aviation, mobility, and energy sectors, using AWS, containers, and real-time systems.
Senior Software Engineer
Senior Software Engineer at Aerovy, a startup building a cloud operating layer for hardware OEMs. You own features end-to-end on a full-stack, modular cloud platform serving real-time IoT, telematics, energy, and AI applications across EV fleets, batteries, electric aircraft, and robotics. Hybrid role based in Seattle.
Senior Software Engineer
Range, a venture-backed startup building AI-powered wealth management, is hiring a Senior Software Engineer in McLean, VA to ship production features across its financial planning platform. The role is hands-on full-stack work with TypeScript, React, Node, Python, and AWS, leaning heavily on AI development tools to move fast.
Software Engineer
Full-stack software engineer at Range, an AI-powered wealth management startup, who owns features end-to-end from architecture through production deployment. Day-to-day involves shipping fast with AI development tools across React, TypeScript, Node, and AWS.
Software Engineer
Software engineer at ExaCare building full-stack, user-facing features for its healthcare platform — spanning data models, APIs, integrations, and AI/LLM capabilities — through the full development lifecycle using TypeScript, PostgreSQL, and AWS.
Software Engineer, Manufacturing & Supply Chain
Software engineer on Fluidstack's Decision Team building supply-chain software for AI data center buildouts — turning BOMs into purchase orders, automating procurement tracking with LLM document extraction, and embedding with factory/warehouse teams. Go, Python, or TypeScript plus LLM APIs, MCP servers, and agentic frameworks.
Software Engineer, Data Center Automation
Software engineer on Fluidstack's Decision Team builds the software layer that automates AI data center delivery and operations — fleet health telemetry on Kubernetes/bare metal, repair/RMA workflows, hardware qualification, and facility maintenance systems — forward-deployed alongside site engineers. Core stack: Go/Python/TypeScript plus LLM APIs, MCP servers, and agentic tooling.
Software Engineer - New Grad (2026-2027)
New grad software engineer at Fellow, an AI meeting-productivity startup, owning and shipping features end-to-end with React/TypeScript, Django/Python, and GraphQL while using AI tools like Cursor and Claude daily. Remote-first with Ottawa hybrid option; flexible start May–September 2027.
Systems Engineer. Aircraft Software
Swarm Aero is hiring a Software Systems Engineer in Oxnard, CA to lead software standards, architecture, and requirements for the command-and-control software behind its autonomous swarming UAVs, including verification (HIL/SIL testing, traceability) under aerospace standards like DO-178, DO-254, and DO-333. Requires 7+ years of systems engineering experience on aerospace, defense, or UAS platform
Développeur .NET / React Senior (H/F)
Senior full-stack developer joining a 7-person team in Paris to build a revenue management platform for renewable energy producers: backend services in .NET 9/ASP.NET (contract modeling, P&L, exposure and risk analytics) plus React 19 client interfaces, with a focus on performance for large transaction volumes.
Software Engineer Internship
Full-stack Software Engineer Intern on a 12-month remote team building Clerkie Fiber, a B2B CRM for the debt industry, using Next.js, Node.js, AWS, and MongoDB.

Software Engineer, Growth
Software Engineer on Numeral's Growth team, building backend services, customer-facing features, and internal tools that drive acquisition, onboarding, activation, and retention, while instrumenting workflows and measuring business impact. Core stack includes Node.js, PostgreSQL, Redis, and AWS; hybrid role based in the NYC office.
Staff Software Engineer
Lead backend engineer building cloud-native infrastructure for smart hardware in aviation, mobility, and energy sectors using AWS, microservices, and real-time systems.
Senior/Staff Software Engineer
Senior/Staff Software Engineer who designs and scales the backend services, APIs, and AI-integrated workflows behind healthcare claims identification and third-party liability recovery. Core stack is Python (FastAPI), TypeScript (Next.js), Temporal workflow orchestration, and AWS (ECS, RDS/Postgres, Redis) in a data-heavy, regulated domain.
(Founding) AI Systems Engineer
Charly, a seed-stage Berlin startup whose product is a voice and AI assistant for municipalities and public services, is hiring a founding AI systems engineer to work on-site building agentic AI solutions for public-sector stakeholders. Salary is 60-100k EUR.
Software Engineer, India
Build AI, a 'Physical AI' data-collection company, is hiring a full-stack Software Engineer in India to build the web/mobile tools that run its field operations: worker onboarding, wearable camera assignment, footage uploads, and payments. Expect end-to-end ownership across frontend, backend, APIs, and databases, working closely with founders and ops teams.

Software Engineer, Simulation
Wayve is hiring a Software Engineer for its Core Simulation team in London to build and maintain the simulator used to evaluate its end-to-end AI driving system. Day to day is hands-on modern C++ and Python work on high-scale open-loop evaluation, integrating driving-stack components, debugging sim-vs-road differences, and improving performance, testing and tooling.