38 Founding Engineer jobs

Founding engineer roles building the first product at early-stage startups.

38 jobs

Posted Sort

38 jobs Posted Sort

Marble Technology Inc.

Senior Software Engineer

RemoteNorth AmericaSenior

Senior Software Engineer at Marble Technology Inc., an early-stage AI-powered tax platform for accounting firms. The role involves full-stack ownership of architecture and product development using React, Remix, TypeScript, Node.js, Postgres, Weaviate, AWS, Kubernetes, Terraform, and Airflow.

AI Airflow AWS ETL Fastify +9 skills

UAV Systems (Software Engineer)

EuropeFull-time

Software Engineer developing UAV software architecture — FPV drones, VTOL platforms, and drone-interceptors — including flight control, ground stations, telemetry, radar/camera integration, and Ardupilot/Mission Planner integration.

AI API Computer Vision C++ Docker +11 skills

Founding Engineer

Founding Engineer at Metaworkers.ai builds and architects the core platform, collaborating with the founding team to bring the product vision to life while leading end-to-end product development.

Angular AWS Azure Cloud Data Modeling +8 skills

600K – 1.5M INR

Principal Systems Engineer: Linux Kernel

North AmericaPrincipal

Principal Systems Engineer owning core components of kernel test and validation, measuring and optimizing platform performance, and contributing to key system components at the OS/kernel/GPU/CPU level. Works on automated GPU checkpointing infrastructure for AI+HPC clusters.

AI Automation Containerd Distributed Training HPC +10 skills

140K – 180K $

CTO - Software Engineer

North AmericaC-level

CTO role at a cannabis commerce startup in Seattle; the Technical Co-Founder leads product strategy, architecture, mobile/web/backend development, and engineering team growth while owning the technical vision of the platform.

AI Android API Cloud Fintech +2 skills

Founding Engineer

RemoteNorth America

Founding Engineer at Sidekick builds AI-powered operating systems for real estate agents, combining LLMs with domain-specific tools for listing generation, client response drafting, task management, and lead follow-up. The role involves fine-tuning models on real estate workflows, designing search and QA algorithms over real estate data, indexing fragmented MLS datasets, and orchestrating large sy

AI API AWS Azure CI/CD +19 skills

145K – 195K $

Founding Engineer — Path to CTO

RemoteNorth AmericaC-level

Founding engineer at Ponce AI, a health-tech startup building a personalized aesthetics platform. The role involves owning the entire technical stack — provider-facing apps, patient applications, backend services, ML/facial analysis, infrastructure, and security — while working directly with the founder to shape product direction and grow into Head of Engineering/CTO.

AI API Computer Vision Data Governance GCP +7 skills

Software Engineer II

RemoteWorldwideFull-time

Software Engineer II at Tilt (HearstLab) builds well-scoped features end-to-end from design through production release, improves reliability, writes tests, and participates on-call. Core tech: Python/Django backend, React frontend, CI/CD pipeline.

CI/CD Django Python React SaaS

125K – 135K $

Founding Engineer

RemoteNorth AmericaFull-time

Founding Engineer at Ember AI builds an Enterprise Intelligence platform from scratch — leading core platform development for AI agents (triggers, tools, approvals, evaluations, memory, observability, workflow execution), owning products end to end, and shaping the product roadmap and architecture. The role spans product, infrastructure, agents, evaluations, and customer workflows, using LLM APIs,

Agentic AI AI API Ember.js LLM +1 skills

180K – 250K $

Sr Software Engineer

On-siteNorth AmericaFull-timeSenior

Senior Software Engineer at Barn2Door builds next-generation products for farmers using AI, architecting and developing scalable solutions while mentoring the team. The role centers on integrating AI into customer-facing applications and maintaining a modern JS/React stack on AWS.

Accessibility AI Analytics AWS Claude Code +10 skills

Senior Software Engineer (Go) - Worldwide, Remote

RemoteNorth AmericaFull-timeSenior

Senior Backend Engineer at a well-funded startup building an AI-driven supply chain platform. Designs high-performance Go services, manages multi-cloud infrastructure (AWS/GCP/Azure), owns DevOps pipeline, and leads SOC 2 compliance.

AI API Automation AWS Azure +12 skills

Python Developer Intern

RemoteAPACInternshipIntern

Python Developer Intern at early-stage fintech startup Cirqllabs, building Python APIs, data pipelines, and scalable systems using Django/Flask/FastAPI, SQL, and PostgreSQL/MySQL; fully remote in India with Pune office option, potential full-time conversion.

API Api Design Authentication Containerization Data Pipelines +20 skills

Talent Kube Ltd

Node.JS Engineer

RemoteNorth America

Remote Back-End Node.js Engineer for a European AI startup, improving core product components and developing new concepts using JavaScript and Node.js, with AWS and React experience as pluses.

Agile AI AWS JavaScript Node.js +1 skills

Web Developer Intern

Open 4d RemoteEuropeInternshipIntern

Web Developer Intern at daogames GmbH, a young startup building cloud backend services for mobile game developers. You’ll work directly with the founding team and CTO on UX-oriented web pages and application frontends, taking ownership of projects from design through deployment.

Bootstrap Cloud CSS Elixir Erlang +7 skills

Boardroom Appointments

Software Engineer

Software Engineer at a South African startup building scheduling software; day-to-day work involves developing and maintaining distributed systems on AWS, implementing CI/CD pipelines, and supporting web services.

Agile Automation AWS CI/CD Cloud +20 skills

Software Engineer - Madrid

EuropeFull-timeLead

Full-stack developer (web and mobile) at a startup building developer tools; day-to-day involves real projects with a Tech Lead, growing technical ownership, and supporting sales with technical explanations. Core stack: PostgreSQL, Node.js (Adonis, Nest.js, Next.js), React/React Native, AWS.

AWS Claude Code JavaScript Next.js Node.js +4 skills

30K – 35K €

Senior Software Engineer (AI Team)

North AmericaFull-timeSenior

Senior software engineer on Standard Bots's AI team builds the systems that support their models — data pipelines, training/evaluation infrastructure, perception integration, and customer-facing product surfaces. The role is generalist with broad ownership across the AI stack, requiring 5-10 years of complex-environment experience and AI-adjacent depth (ML Ops, data pipelines, or computer vision).

AI API Computer Vision Data Ingestion Data Pipelines +1 skills

180K – 210K $

Software Engineer (Service & Operations)

On-siteNorth AmericaFull-time

Full Stack Software Engineer at Figure builds, troubleshoots, and maintains in-house digital service, logistics, and operations software — including service ticketing, fleet tracking, route planning, and inventory management — implementing improvements across the suite while collaborating with service, logistics, and operations stakeholders.

Azure Git Kubernetes Linux Playwright +7 skills

160K – 250K $