2,918 Founding Engineer jobs
Founding engineer roles building the first product at early-stage startups.
Head of Software Engineering
The ReWork Group is hiring a Head of Engineering for a startup client building an AI platform that reasons across data, forecasts, and acts autonomously. A hands-on player-coach role: owning backend architecture, APIs, databases, and DevOps (expert Python) end to end, while mentoring a small, fast-moving team.
Founding Software Engineer
Founding senior engineer at Mbodi AI building the core platform that lets industrial robots learn new skills from instruction: a distributed agent execution layer, real-time world modeling from camera input, and performance-critical C runtimes alongside Python orchestration and TypeScript operator APIs. Onsite-hybrid in NYC (3+ days/week in SoHo).
Software Engineer
Forward Deployed Engineer (Embedded Transformation Engineer) building and deploying AI/LLM-powered workflow automation for major healthcare institutions — owning projects from customer discovery through production. Requires 2+ years of software engineering, production app experience, and comfort working directly with customers; NYC-based or willing to relocate.
Robotics Software Engineer
Robotics software engineer on the R&D team of an early-stage robotics company, building AI-driven robot systems for production environments — spanning motion planning, perception, data-labeling tools, firmware, and cloud infrastructure, deployed on-site at customer facilities. Core stack: Python, with TypeScript/React or C++ plus Docker/Kubernetes/ROS.
Engineering Manager, Platform Integration, Robot Software
Leads Wayve's Platform Integration team in London, managing engineers who bring the AI Driver onto new vehicle platforms — vehicle-facing software, drive-by-wire drivers, vehicle bring-up, validation and OTA reliability — while owning hiring, coaching, roadmap and cross-team delivery.
Senior IT Engineer
Onsite senior IT engineer at a stealth San Diego biotech startup (Radian Bio), owning day-to-day operations of Okta, Microsoft 365/Entra ID, Intune endpoint management, and Meraki/FortiGate networking, while running SOC 2/SOX IT controls, building backup and disaster recovery, and using AI tools to automate IT work.
Member of Technical Staff, Performance Modeling
A silicon architecture engineer who builds functional and performance models (rack-scale and chip-level) for netpreme's network-attached memory expansion device for AI accelerators, identifying bottlenecks across compute, memory, and interconnects. Work centers on performance modeling of high-bandwidth data movement using technologies like CXL, NVLink, CUDA, and NoC.
Team8 Stealth Cyber Startup- Software Engineer
Software Engineer at a Team8-backed stealth cybersecurity startup in Tel Aviv, building features end to end in Python and TypeScript — data pipelines, backend services, APIs and integrations with security tools, and the interfaces security analysts use daily.
Software Engineer
Early full-stack engineer at Sailor Health, a startup delivering AI-native virtual healthcare (behavioral health, wellness, advocacy) for older adults. You own work end to end: building web apps in React/TypeScript/Node/PostgreSQL and voice-AI agents, collaborating directly with clinical, ops, and growth teams.
Principal Software Engineer, Containers
Principal IC (technical leadership, not management) on Chainguard's core Containers team: sets technical direction and leads the biggest multi-team projects for hardened container images, the image build pipeline, the registry, and adoption tooling including MCP servers for AI agents. Hands-on with Go, OCI images/registries, Linux packaging, Sigstore signing, and GCP/AWS.
Senior Software Engineer, Internal Tools
Senior engineer at Syllo (litigation AI) builds and scales internal tools — document/contract parsing engines, Slack apps, and operational utilities — working daily with AI coding agents, LLM APIs, Python, React, and automated testing/evaluation pipelines.
Systems Engineer
Systems Engineer who bridges Shift5's engineering teams and real-world DoW platform deployments, owning requirements management, technical baselines, system architecture, and formal CDRL artifacts, plus verification and testing across hardware, software, and networks. Core tech includes Linux/Unix integration, TCP/IP networking, RF communications, encryption, and MIL-STD/airworthiness compliance.
Staff Flight Software Engineer
Staff-level flight software engineer developing and testing onboard software for CesiumAstro's communications satellites — architecting spacecraft subsystem software (attitude, power, thermal, command/data handling), running software-in-the-loop testing, and mentoring a team. Built on Linux-based satellite OS and low-level embedded C/C++/Python.
Staff Software Engineer, Infrastructure
Staff infrastructure engineer, on-site in San Francisco, who builds and operates the platform behind AI-powered products: cloud and containerized services via IaC, durable workflows (Temporal) for AI/ML workloads, and scaling Postgres, Redis, and ClickHouse. Salary is $200k-$300k with visa sponsorship available.
Software Engineer (AI)
Builds full-stack agent observability tools for Pendo’s AI-driven product, integrating Go services, Vue interfaces, and LLM-backed features to help customers debug agent behavior and tool interactions.
Senior Software Engineer in Test
Build and maintain automated test suites for Vertice’s SaaS procurement platform using Python, Playwright, and Behave to ensure high reliability across React frontends and AWS-backed microservices.
Senior Robotic Systems Engineer
Own and build the software stack of an intelligent robotic work cell in Munich: motion planning, trajectory generation and real-time control for industrial robot arms, plus camera and force/torque sensor integration and on-site commissioning for manufacturing tasks like surface finishing, welding and coating. Core stack: C++/Python, ROS 2, EtherCAT/OPC-UA.
Founding Engineer
Founding backend engineer at an early-stage fintech in São Paulo: building financial integrations (banks, ERPs, document sources), data/ETL pipelines, ledgers, and public APIs, plus observability and engineering standards. Hybrid role using AWS/GCP, Docker, CI/CD, and optionally Temporal/Airflow and LLMs.
US Founding Engineer
Founding backend engineer at an early-stage fintech building core banking infrastructure for digital assets and AI. You'll own backend systems end-to-end — system design, data modeling, and shipping reliable production software — on-site in New York, earning $200k–$400k base plus equity.
Founding Software Engineer
Founding engineer at Clera building a property-management operating system on-site in San Francisco — shaping the data model, workflows, and AI systems for leasing, maintenance, payments, and accounting. Backend/full-stack work with TypeScript, Python, and PostgreSQL.