Junior Full Stack Developer

Description

**Galadrim** is a startup that designs and develops web, mobile, and AI products. Led by two alumni of *École Polytechnique* who have worked for Meta, IBM, and Microsoft, we build custom, complex solutions for our clients using agile methodologies. We are over **150 people** across France and Spain, growing at over 50% annually for the past 8 years—and the Spain team *needs you*! By joining us, you’ll have the opportunity to work on a wide variety of projects within a young, technology-passionate team. We’re looking for **AI solution developers** to take on one of the projects already underway in Spain. Depending on the project, you’ll also handle the Full Stack portion—so you’ll combine AI with end\-to\-end development. Additionally, you’ll have the chance to progressively assume greater technical leadership as the team grows. **This role is for you if** * You have 0\+ years of experience. (Yes, you read that right—0 years!) * You’re **passionate about AI** and closely follow the latest advances (LLMs, diffusion models, agents, etc.). * You love modern, fluid, and *pixel\-perfect* interfaces. * You’re not intimidated by diving into complex business rules to design pragmatic, iterative AI solutions. * You fluently use AI-powered code editors like Cursor or Claude Code to boost your agility and execution speed—while retaining full control over your *codebase*. * You’re personable and motivated to accompany sales colleagues to meetings to clearly explain technical concepts. * You enjoy teamwork but operate with full autonomy on your tasks. * You pursue technical excellence in everything you do and possess a solid engineering foundation. * You’re a native Spanish speaker and fluent in English. Bonus if you speak French! **Your progression at Galadrim** * **In 3 months:** You’ll have worked on your first two AI projects. At Galadrim, we believe in *learning by doing*, so you’ll quickly engage in real client projects, supported by a technical mentor who’ll conduct *pair\-programming* sessions and *code reviews* with you. You’ll also be able to attend international conferences and workshops with the rest of the team. * **In 6 months:** You’ll master our tech stack and methodology and take on more responsibilities—helping us structure the team (recruiting, management, internal tool development, etc.). To give you perspective: in our Paris office, we grew from 2 to over 20 engineers in under 3 years. * **Long term:** You’ll directly contribute to expanding our operations in Spain. **Example projects** You’ll engage in a broad range of projects across multiple sectors: * Developing voice assistants for the healthcare sector. * Training and deploying computer vision models on embedded systems. * Industrializing and automating photo retouching. * Using LLMs for automatic product sheet generation. * Demand forecasting modeling in industry. **Preferred technical stack** Don’t worry if you don’t master all these technologies—the stack varies per project. Below is our most commonly used stack, which will be adapted according to your level and project needs: * Python, PyTorch, Hugging Face * OpenAI / VertexAI / Anthropic APIs, etc. * YOLO (You only look once) \- Computer Vision * PostgreSQL * Node.js (Adonis, Nest.js) * JavaScript / TypeScript * React / React Native * AWS **Benefits** This position is *hybrid* in Madrid (4 days in-office / 1 remote, accumulable). However, you’ll work in *full remote* mode (100% telework) until we open our first Madrid offices in the second half of 2026\. * **Salary:** €30,000 \- €35,000 gross per year * **Equipment:** MacBook or PC of your choice (with 24/32 GB RAM and 1 TB storage). * **AI subscription:** Claude Code Max, Cursor, or another of your choice * **Other benefits:** Meal vouchers and partial reimbursement of sports or gym expenses. **Selection process** * **Timed coding and logic quiz** * **Technical interview (in Spanish/English):** Technical challenge in your preferred (and proficient) programming language. * **Final multi-part interview:** **1\. Technical interview** in *Spanish* with Carlos (*Tech Lead* in Spain). **2\. Commercial simulation and fit assessment** in *Spanish* with David (Sales, Madrid). **3\. Technical interview** in *English* with Benjamin (Group AI CTO). **4\. Technical interview** in *English* with Arnaud (Co\-founder and Group CTO). \-\-\- Salary: €30,000.00\-€35,000.00 per year Work location: Hybrid remote work in Madrid, Madrid province (Madrid)