Founding Software Engineer (Path to CTO) Remote (Europe preferred) | Regular travel to South America Partner Company – Ag Tech / Io T Startup (Pre‑seed) 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. About the Partner Company Our partner is an early‑stage Ag Tech / Io T 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 The Role 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. This role offers a clear path to Head of Engineering / CTO, depending on interest and performance. You’ll work directly with the founders and have full technical ownership from day one. What You’ll Be Doing Own the entire technical stack: embedded firmware, cloud backend, and i OS app Take over, iterate, and optimize existing STM32-based firmware Design and build cloud infrastructure from scratch (APIs, data, scalability) Build an i OS 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, Git Hub 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 What We’re Looking For (Must‑Haves) Strong software engineering fundamentals (language-agnostic) Heavy, demonstrated use of AI coding tools in daily development Experience shipping complete products independently i OS development experience (Swift / Swift UI) 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) Io T protocols (e.
G., Lo Ra WAN) Cloud backend development (any modern stack) Experience with hardware products Spanish language skills Ag Tech, robotics, or physical‑world product exposure This Role Is NOT for You If… 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 Who Thrives in This Role 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 Compensation & Benefits Base

salary:
40,000 – 120,000 € (depending on equity track and seniority) Equity: Significant founding‑team level equity with vesting over 3 years Contract: Full‑time employment Vacation: 28 days per year Working model: Remote‑first (Europe preferred) with regular travel Upside: Clear path to Head of Engineering / CTO Why Join? Founding‑team level ownership Full technical control across hardware & software Real‑world impact on sustainable agriculture Opportunity to prove the power of AI‑first development Build something tangible, meaningful, and challenging

📌 Founding Software Engineer (Madrid)
🏢 Ag Tech / Io T Startup
📍 Madrid