2,916 Founding Engineer jobs
Founding engineer roles building the first product at early-stage startups.
Senior Software Engineer, Genomics
Senior production engineer to take Feanix's animal-genomics pipelines from manually run to fully automated — sample sequencing, alignment, imputation, parentage and trait calls feeding dairy breeding decisions. Python end to end on AWS (Nextflow, Modal, HealthOmics, Batch, S3) with bioinformatics tools like PLINK, GLIMPSE2, and Parabricks.
Founding Engineer
First engineer at a physician-founded health-tech startup building Prometheus Codex, which drafts insurance and government medical forms from patient charts using OCR and LLM extraction, with every field traceable to its source. Own TypeScript/Node.js services, PostgreSQL, AWS infrastructure, and the extraction pipeline end to end.
Founding Engineer - Senior Software Engineer
Founding engineer at Vidoc Security, a 13-person startup building AI agents for automated security code review. Day-to-day you'd own product areas end-to-end, take prototypes to production with TypeScript/React/Next.js, and scale scanning systems on AWS and Kubernetes. B2B contract, remote on Polish time.
Senior Low-level Software Engineer
Design and optimize the Oligo Sensor, a low-level eBPF-based component for runtime security, using Go/C/C++ to monitor high-scale Linux environments.
Software Engineer
Intermediate-to-senior software engineer at an early-stage fintech automating mortgage underwriting, based in Calgary. Owns features end-to-end (data models, APIs, LLM pipelines, UI) on a Next.js/TypeScript/Node.js/Postgres stack with production-grade LLM integration, plus direct customer contact.
Senior Robotics Software Engineer, Autonomy
Lead the design, architecture, and implementation of autonomy software for indoor service robots — building perception, planning, control, and navigation algorithms in C++ (plus Python/Java), integrating with robot hardware, and mentoring engineers at a hospitality robotics startup.
Software Engineer, Infrastructure Modelling
Designs and builds software to automate and scale AI infrastructure modeling, integrating CAD/BIM tools and handling geometric data to replace manual design work.
Software Engineer - Humanoid Sim-to-Real
Joins Apptronik's Controls team to own actuator models in simulation and actuator-level control for the Apollo humanoid robot, closing the sim-to-real loop: system identification, simulator integration, and torque/current controller design and tuning in C++/Python, deployed and validated on real hardware alongside Controls, Firmware, and Simulation teams.
Senior Software Engineer
Senior Software Engineer at Toro TMS, a growth-stage startup building end-to-end transportation management software (TMS) for bulk commodity trucking haulers. Fully remote, full-time role shipping product features fast with Ruby on Rails and React alongside a senior engineering team.
Software Engineer
Senior Software Engineer builds AI-driven ad creative systems for mobile games, owning full-stack Python development and proprietary LLM-based agents to automate and optimize ad performance.
Mid Software Engineer
Mid-level full-stack software engineer at Jet HR, a well-funded Italian startup (Milan office, fully remote) building a platform that automates the back-office bureaucracy of Italian SMEs. Engineers own product outcomes end to end on a near-monolithic architecture; Python is the core stack.
Staff Software Engineer, Bots + Fraud
Staff engineer on Suno's new Bots & Fraud team, leading backend engineering for real-time abuse, fraud, and bot defenses — rate limiters, CAPTCHA/proof-of-work/2FA challenges, rules engines, and enforcement APIs — protecting signup, login, payments, and song generation. On-site in San Francisco 5 days/week; stack spans AWS, Kubernetes, PostgreSQL, Redis/Valkey.
Founding Engineer, Forward Deployed
Founding forward-deployed engineer at an early-stage B2B SaaS startup building AI-powered software (AI agents, LLM workflows) for industrial distributors. Day to day: deploy and customize the product to customer ERPs and workflows, run discovery and demos, build prototypes, and own technical customer relationships. On-site in San Francisco; Python/TypeScript.
Systems Integration Engineer, SST & BESS Applications
Heron Power is hiring a Systems Integration Engineer to own application-level testing of its solid state transformer across AI data center, utility-scale battery storage, and solar use cases. Day to day: hardware bring-up in the lab and at pilot sites, Python test automation, instrumentation setup, and debugging power electronics and battery system performance.
Systems Engineer - All Levels
Systems Engineer at a defense startup building autonomous weapon platforms using computer vision and control systems; defines requirements, interfaces, and verification plans across hardware and software.
Senior Platform Software Engineer
Senior platform engineer owning production infrastructure and reliability for a small team's B2B SaaS user-led-growth platform. Day to day: architect and operate AWS (compute, messaging, storage, networking, observability), build CI/CD pipelines, and run production PostgreSQL, using TypeScript/Node.js (NestJS) and Terraform.
Founding Engineer
Founding Engineer at an early-stage AI/logistics startup in Berlin: lead customer discovery and build full-stack apps that turn AI agent prototypes into production tools for freight operations. Core stack includes Node.js, TypeScript, React, Python, and LLM techniques like vector stores and fine-tuning.
Founding Engineer, AI and Geometry / CAD
Founding engineer at an early-stage startup building a BIM authoring tool designed for AI agents. Day to day: build the 3D geometry/data core, develop agents that plan and edit real building models, and create generative design features honoring building codes. Stack includes LLMs/AI agents, 3D geometry/CAD (IFC, Revit), Python, TypeScript, three.js.
Founding Engineer, Computer Vision & Robotics
Founding (first) engineer at an early-stage industrial automation startup building a production computer vision perception system that understands manual factory work, starting with real-time quality inspection and laying groundwork for robotic automation. Core stack: Python, PyTorch, OpenCV, CUDA/TensorRT, and NVIDIA Jetson edge deployment.