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AI Backend Developer

Hybrid in Madrid·Full-time·Added 5 months ago (last checked 26 Oct)

Aimsport

6 open roles

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Our summary

Work mode: Hybrid, Madrid
Contract: Permanent, full-time hours
English: Required
Experience: 2+ years
Education: University degree

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Skills

Requirements

What we're looking for

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

Nice to have

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

Pay & benefits

What you'll get

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

The role

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!

What you'll do

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

Hiring process

Do you want to join our team? Don’t be shy and apply! Your next job opportunity is waiting for you at AIM Sport.

About Aimsport

Aimsport is a Madrid-based sports technology company that designs, produces, and operates LED video systems and stadium shows for major football events. The company works with top-tier clients like UEFA, delivering high-impact visual content and live production services for competitions and stadiums across Europe.

With its headquarters in Madrid, Aimsport offers a dynamic, project-driven work environment at the intersection of sports, technology, and entertainment. For international professionals, the company provides opportunities to work on high-profile football events, with roles spanning software development, motion design, production coordination, and on-site technical operations.

Industry: Sports Tech
Employees: 11–50
Headquarters: Madrid, Spain
In Spain: Madrid

Good to know if you are moving

Based in Madrid, offering a central location in Spain's capital with a growing sports tech scene.
Works with UEFA and other major football organizations, providing exposure to high-profile international events.
Roles include both office-based (design, development) and on-site (stadium operations) positions, with some requiring travel.
English is commonly used in client-facing and production roles, making it accessible for international hires.
The company is relatively small, offering potential for hands-on involvement and career growth in a specialized niche.

In their own words

About the company & team

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.

All open roles at Aimsport