Founding Full Stack Engineer

November 4, 2026

Hybrid

Lead

Barcelona, Spain

Indeed

Description

An early-stage startup in Barcelona is building an engineering intelligence platform that connects engineering data, decisions and workflows across the hardware lifecycle for teams developing drones, satellites and robotics. The company is looking for a Founding Full-Stack Engineer to join the founding team and help shape the technical foundations of the platform. The role covers end-to-end feature development across frontend and backend, architectural decisions, AI-powered capabilities, and direct collaboration with the founders from concept to production

Responsibilities

Design, build, and ship end-to-end features across frontend and backend
Develop intuitive interfaces that turn complex engineering information into actionable insights
Build scalable APIs, backend services, and data integrations
Work on connected engineering data models, workflows, and real-time information systems
Integrate AI-powered capabilities and agents into practical engineering workflows
Make architectural decisions and help establish engineering best practices
Collaborate directly with the founders to translate customer problems into working software

Requirements

Strong full-stack development experience with the ability to work independently across frontend and backend
Experience with modern web technologies, particularly TypeScript, React, and backend APIs
Solid understanding of databases, system architecture, and software engineering fundamentals
Product-oriented mindset and ability to turn ambiguous problems into practical solutions
Comfortable taking ownership, moving quickly, and working in an early-stage startup environment
Curiosity about AI, complex systems, and emerging technologies
Strong communication skills and a collaborative approach
Nice to have: experience building AI applications, LLM integrations, or agent-based systems
Nice to have: familiarity with Python, PostgreSQL, or event-driven architectures
Nice to have: experience with data-intensive applications, developer tools, or technical SaaS platforms
Nice to have: interest in robotics, aerospace, drones, or other hardware-intensive industries
Nice to have: previous startup or early-stage product-building experience