> Markdown version of [/jobs/ext/1592627-founding-software-engineer](https://www.wearedevelopers.com/jobs/ext/1592627-founding-software-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Founding Software Engineer - **Company:** Comunidad de Madrid - **Location:** Madrid, Spain - **Salary:** €40,000.0 - €120,000.0 - **Contract:** Permanent contract - **Skills:** Application Programming Interfaces (APIs), Artificial Intelligence, Cloud Computing, Cursor (Graphical User Interface Elements), Firmware, LoRaWaN, GitHub Copilot, Swiftui, Ios Frameworks, Backend, Build Management, Speech Synthesis - **Published:** July 1, 2026 - **Apply:** https://www.jobleads.com/es/job/e3157a0d57d999216468056f6bb5f5584 ## About the Role This is not a typical engineering role. We're not looking for someone who just wants to write code. We're looking for a builder who is excited by ambiguity, ownership, real-world problems, and the opportunity to help build a company from the ground up. You'll be the sole engineer, working AI-first, shipping a real hardware + software product, and testing it in cattle fields in South America. If you're looking for a polished corporate environment, a large team, or clearly defined processes from day one, this role is for you - and that's completely fine., * Strong software engineering fundamentals (language-agnostic) * Heavy, demonstrated use of AI coding tools in daily development * Experience shipping complete products independently * iOS development experience (Swift / SwiftUI) * Systems thinking across firmware, backend, and mobile * Comfort working autonomously as the sole engineer * At least 5+ years of hands-on engineering experience Nice to Have * Embedded / firmware experience (C, STM32) * IoT protocols (e.g., LoRaWAN) * Cloud backend development (any modern stack) * Experience with hardware products * Spanish language skills * AgTech, robotics, or physical-world product exposure, * You need a large team to be productive * You're skeptical about AI-assisted development * You prefer highly structured corporate environments * You're looking for feature-only work without ownership * You're uncomfortable with ambiguity, iteration, and field conditions, * Autonomous, resourceful builders * Low-ego, high-ownership mindset * Comfortable with uncertainty and responsibility * Strong product sense and user empathy * Excited by real-world, physical impact ## Description Our partner is an early-stage AgTech / IoT startup focused on building sustainable, technology-driven solutions with real-world impact. * Stage: Pre-seed * Focus: Virtual fencing technology for livestock * Operations: Europe (founders & HQ) + South America (field operations) * Mission: Create sustainable value where progress and responsibility for people and planet go hand in hand * Culture: High ownership, AI-first mindset, field-driven problem solving * One strong engineer + AI is expected to outperform traditional teams, Founding Software Engineer, you'll own and ship the entire technical stack and play a central role in shaping the product, the architecture, and the technical direction of the company., * Own the entire technical stack: embedded firmware, cloud backend, and iOS app * Take over, iterate, and optimize existing STM32-based firmware * Design and build cloud infrastructure from scratch (APIs, data, scalability) * Build an iOS app designed for low-literacy, non-technical users (UX, visuals, text-to-speech) * Collaborate closely with hardware manufacturing partners * Use AI coding tools (Cursor, Claude, GitHub Copilot) as core development partners * Travel regularly for hands-on field testing and product launches * Ship V1 to market in 2025 and continuously improve reliability and usability ## Related Videos - [The End of Software as we know it](https://www.wearedevelopers.com/videos/1393-the-end-of-software-as-we-know-it) - [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock) - [From Zero to Mobile Developer in 45 Minutes With SwiftUI](https://www.wearedevelopers.com/videos/183-from-zero-to-mobile-developer-in-45-minutes-with-swiftui) - [Building the Next Generation of Software](https://www.wearedevelopers.com/videos/100186-building-the-next-generation-of-software) - [Nest.js - TypeScript in the backend can also be clean](https://www.wearedevelopers.com/videos/1033-nest-js-typescript-in-the-backend-can-also-be-clean) - [SwiftUI In Production](https://www.wearedevelopers.com/videos/134-swiftui-in-production) ## Related Articles - [Navigating the AI Shift](https://www.wearedevelopers.com/magazine/629-navigating-the-ai-shift) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [What is Software Engineering in the Age of AI?](https://www.wearedevelopers.com/magazine/640-what-is-software-engineering-in-the-age-of-ai) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [Find a Developer Job: 12 Best Job Sites For Developers](https://www.wearedevelopers.com/magazine/165-find-a-developer-job-12-best-job-sites-for-developers) - [How to Become an AI Engineer](https://www.wearedevelopers.com/magazine/331-how-to-become-an-ai-engineer)