2,916 Founding Engineer jobs
Founding engineer roles building the first product at early-stage startups.
Senior / Staff Robotics Security Software Engineer
Design and harden security controls across Saronic's autonomous surface vessel fleet, spanning vessel edge compute, vessel-to-vessel/cloud mesh networking, and cloud orchestration. Day-to-day is hands-on Rust-first development on NixOS embedded Linux: secure boot, mutual TLS, key management, and CI/CD security.
QAE / Software Engineer
QA Manager and hands-on SDET at Barn2Door, a Nashville food-and-tech startup whose platform helps independent farmers sell online. The role designs test plans and automation frameworks, tracks QA metrics, and applies AI-driven testing improvements using JavaScript testing, SQL, API testing, and CI/CD.
UAV Systems Engineer - Sensors (m/f/d)
Owns the complete onboard sensor subsystem of TYTAN's AI-driven interceptor UAVs end to end — selecting and qualifying sensors, designing electrical/data/mechanical interfaces, integrating with flight controllers, and verifying via bench, HIL, environmental, and flight testing. Core stack: PX4/ArduPilot, CAN/MAVLink, embedded Linux, Python.
UAV Systems Engineer - Propulsion & Actuation (m/f/d)
TYTAN Technologies, a Munich defense startup building autonomous counter-drone air defense systems, is hiring a UAV Systems Engineer to own propulsion, actuation and thermal subsystems on its UAV platforms. Day to day: sizing and testing BLDC motors, ESCs, servos and actuators, thermal analysis, environmental and flight-log testing, and working with suppliers through to production.
Founding Software Engineer
Founding engineer at Linda AI, an early-stage startup building an AI phone/WhatsApp receptionist for healthcare clinics. You'll own back-end services, APIs, LLM agents, real-time voice AI and telephony integrations end-to-end, working in person with the founders in Dublin.
Member of Technical Staff, Real Time Video Streaming
Member of Technical Staff focused on real-time video streaming at Coram AI, building and optimizing edge video pipelines on 'Coram Point' edge devices, deploying ML models to production, and maximizing C++/GPU runtime performance. Core tech: C++, Python, GStreamer, Docker, PyTorch.
Software Engineer(Fleet)
At Teton (a healthcare-AI startup in Copenhagen), this engineer owns the fleet infrastructure behind thousands of edge devices in hospital patient rooms: device provisioning, OTA release engineering, observability, remote debugging, and CI/CD tooling. Core stack is embedded/edge Linux with Rust, JavaScript/TypeScript, or Python.
Member of Technical Staff, Science
LatchBio builds AI biology benchmarks used by frontier labs (Anthropic, xAI) for capability and biosecurity evaluation. This onsite role turns biological domain expertise into benchmark roadmaps designed with engineers, then builds and manages a scientific team; requires deep science + AI-tool experience or strong math/CS training.
Aimy - ソフトウェアエンジニア（小説・漫画領域）- 業務委託
Contract (業務委託) software engineer for Aimy, an AI partner app in the novel/manga space by Aisaac, working onsite at the Tokyo HQ. Day to day: designing, building and testing APIs, refactoring and performance tuning, and scaling infrastructure (GPU self-hosting, traffic growth) with TypeScript/Hono, React, PostgreSQL and Cloudflare.
04-2TEE Software Engineer
Software engineer developing the core engine, middleware, and applications of EAGLYS's secure computation platform built on Trusted Execution Environments (TEEs). Day-to-day involves writing Rust and/or C/C++ for Confidential Computing technologies like Intel SGX, Intel TDX, and AWS Nitro Enclaves — remote attestation, key management, secure communication, and confidential data processing.
Software Engineer, Real-Time Generalist
Early fullstack engineer at Swarm Aero building Legion, the Command & Control platform that lets a single operator plan and direct swarms of autonomous aircraft in real time. Work spans real-time distributed systems, React-based operator interfaces, dense telemetry visualization, and mission planning tooling on-site in San Francisco.
Founding Engineer
Founding full-stack engineer at Bota, an early-stage AI hardware startup building a platform that captures real-world context for AI and agentic workflows. You'd architect and ship the core backend, APIs, and frontend, own end-to-end tech decisions, set up CI/CD, and help shape the early team and culture.
Staff Software Engineer
Builds and leads a healthcare data platform that lets providers access patient records in real time, using Node.js/TypeScript backends, AWS services, and FHIR standards.
Flight Software Engineer III
Builds and tests flight software for autonomous spacecraft at a defense-tech company: leading design, integration, and test of on-board flight computer software, integrating GNC algorithms, maintaining command/telemetry databases, and writing device drivers and HITL/SITL simulators in C/C++ and Python on embedded RTOS platforms. Onsite near Denver, CO or Long Beach, CA with TS/SCI clearance eligib
Software Engineer
Full-stack engineer at Love Mobile, a community-focused mobile telecom startup, building customer-facing web/PWA/mobile front ends, REST/GraphQL APIs, AI chat and voice bots, plus messaging and ad-tech integrations. Core stack: React/Vue/Angular, Node.js or Python, Dialogflow/Rasa, Twilio, and cloud/DevOps basics.
Infrastructure Software Engineer (AI Enablement)
LatchBio is hiring a San Francisco-based infrastructure engineer to build AI/agent and ML infrastructure (container orchestration, sandboxing, distributed filesystems, cloud architecture) with ownership of developer experience and internal ops tooling. Core stack: Python/Go/TypeScript, AWS/GCP, Docker, CI/CD, and infrastructure-as-code supporting AI applied to biology.
Senior Infrastructure Software Engineer
Build production software, APIs, and automation for managing large-scale GPU and bare-metal infrastructure at Lightning AI, using Python, Linux, and infrastructure-as-code in a hybrid role across NYC/SF/Seattle/London.
Senior Systems Engineer - AI Infrastructure
Clockwork Systems, founded by Stanford researchers, builds software-driven fabrics that boost GPU cluster utilization. This on-site Palo Alto role designs and implements low-level systems software for fault-tolerant, high-performance distributed GPU training, working deep in the internals of PyTorch, NCCL, and CUDA with strong C/C++ and distributed-systems skills.