AI BACKEND DEVELOPER – MADRID
We are looking for an AI Backend Developer with the drive and ability to be a key member of our young and versatile sports tech development team. We are a company that pioneers and develops new cutting‑edge technologies – we would love for you to join our team and play your part in revolutionising the sports industry!
WHO ARE WE?
AIM Sport is at the forefront of the sports marketing industry. We currently work in over 500 football stadiums across the globe, providing fresh and innovative solutions to our fast‑growing list of blue‑chip clients. This elite portfolio includes the world’s biggest football clubs and commercial partners: FIFA, UEFA, Real Madrid CF, Paris Saint‑Germain, Adidas, Audi, Heineken, Mastercard, and Sony to name just a few. We actively shape the digital revolution in sports marketing to drive the expansion and growth of our business as one of the top sports tech companies.
WHAT WILL YOU BE DOING?
You will design and build intelligent backend services that integrate AI and Large Language Models (LLMs) into our products. Your role focuses on developing Python‑based REST APIs that combine AI‑driven logic with deterministic, rule‑based workflows to deliver scalable and production‑ready solutions:

Design, develop, and maintain Python backend services and RESTful APIs (FastAPI / Flask / Django REST)
Build scalable, secure, and high‑performance server‑side architectures
Integrate LLM and AI APIs (OpenAI, Azure OpenAI, Anthropic, Gemini, etc.) into backend workflows
Design and implement prompt engineering strategies, orchestration layers, and AI pipelines
Validate and structure AI outputs using Pydantic, JSON schemas, and post‑processing logic
Implement rule‑based decision systems alongside AI‑generated outputs
Work with embeddings and vector databases (FAISS, Pinecone, Weaviate, or similar) when required
Optimize database queries, caching layers, and data pipelines to support AI‑driven features
Implement async processing, background jobs,



and task queues for long‑running AI tasks
Add logging, monitoring, and error handling for backend and AI workflows
Collaborate with product, frontend, and QA teams to deliver AI‑enabled functionality
Troubleshoot production issues and perform root‑cause analysis

DO YOU RECOGNIZE YOURSELF? KNOWLEDGE & SKILLS:

2+ years of experience as a Python Backend Developer or similar role
Strong proficiency in Python and backend frameworks (FastAPI, Flask, Django REST Framework)
Hands‑on experience integrating AI / LLM APIs into production systems
Practical experience with LangChain, LlamaIndex, or similar LLM orchestration frameworks
Solid understanding of prompt engineering, response validation, and AI guardrails
Experience handling structured AI outputs using Pydantic and JSON Schema
Strong knowledge of RESTful API design, HTTP, authentication, and authorisation
Solid understanding of SQL databases (PostgreSQL or MySQL)
Data processing experience using Pandas, NumPy, or similar libraries
Familiarity with async programming, background processing, and task queues
Experience with Docker and cloud platforms (AWS, GCP, or Azure)
Knowledge of CI/CD pipelines, deployment strategies, and monitoring tools
Degree in Computer Science, Engineering, or a related field (or equivalent experience)
Good command of written and spoken English

PERSONALITY:

Passionate about backend engineering and applied AI systems
Curious about LLMs, automation, and emerging AI technologies
Strong problem‑solver with an analytical mindset
Quality‑focused and attentive to edge cases and failures
Comfortable working in cross‑functional teams
Proactive, adaptable, and eager to continuously learn and improve

WHAT DRIVES THE PEOPLE WHO WORK AT AIM SPORT?

Challenging and rewarding environment
Leading digital transformation within the sport marketing industry
Partnering with international top clubs and major brands
Fantastic team spirit
Versátil working schedule
Enjoying a great view of the Santiago Bernabéu Stadium!

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📌 AI Backend Developer (Madrid)
🏢 Aimsport
📍 Madrid