Senior AI Engineer

Making Science Group S.A.; Madrid; On-site; EUR 70,000 - 95,000; Full time

Benefits offered by this job

Indefinite contract

Performance bonus

Flexible payment plan

Transportation & meal tickets

International team & Ambassadors

Job summary

Making Science is an international digital acceleration company. You will join the AI Forge engine within AWAKE Venture Studio, building and scaling AI-powered solutions in a high-performance team alongside the CEO and researchers.

The role focuses on rapid prototyping, production-grade systems, and cutting-edge model evaluation. You will prototype with Python (FastAPI), design advanced retrieval and multi-agent workflows, and deploy MLOps on GCP with Vertex AI, GKE, and Cloud Run.

Qualifications

• Proven AI production track record shipping LLM applications and Generative AI solutions.
• Deep Python expertise with packaging and testing tools (Poetry, Pytest).
• Data and semantic engineering with rapid experimentation, embedding generation, and hybrid search.
• Cloud infrastructure, containerization (Docker), and Infrastructure as Code (Terraform).
• Thrive in fast-paced startup or venture builder environments with autonomy.

Responsibilities

• Build & prototype from scratch using Python (FastAPI).
• Develop advanced retrieval systems (RAG/GraphRAG) with Neo4j and vector databases like Qdrant, Pinecone, or pgVector.
• Orchestrate multi-agent workflows and model routing using LangGraph, LangChain, LlamaIndex, and MCP.
• Deploy & scale MLOps on Google Cloud Platform (GCP) with Vertex AI, GKE, and Cloud Run.
• Evaluate state-of-the-art models (OpenAI, Anthropic, Gemini, Llama) for feasibility and roadmaps.
• Ensure security & compliance following information security best practices.

Skills

AI production

Python expert

Data & semantic eng

DevOps

Adaptability

Tools

Docker

Terraform

Job description

Requisition ID1738-Posted07/15/2026-Spain

Making Science is an international digital acceleration company with over 1,200 experts across 15 markets, including Spain, Portugal, Mexico, Colombia, France, Italy, the UK, Ireland, Sweden, Denmark, Norway, Finland, Germany, Georgia, and the USA. As a proud consulting partner of Local Planet — the world’s premier network of independent media agencies — we deliver a suite of digital, technology, and performance marketing services to a global clientele. Our expertise spans digital marketing and MarTech, software and cloud solutions, artificial intelligence, and SaaS, all underscored by a relentless pursuit of innovation. Making Science was ranked 15th in the FT1000: Europe's Fastest-Growing Companies 2023. Committed to making a positive impact, Making Science actively engages in various ESG initiatives. We’ve joined forces with the Climate Pledge, the United Nations Global Compact, and Pledge1%, dedicating resources and efforts to support non-profit organizations. Through these endeavors, we are committed to driving meaningful change for a brighter, more sustainable future. As part of its commitment to innovation, Making Science offers its clients end-to-end capabilities required for consulting, development, integration, and maintenance of advanced IT solutions. Our global network of delivery hubs not only fosters job growth but also serves as an incubator for cultivating top-tier tech talent, fueling projects that accelerate transformation and modernisation. Our team is composed of digital native professionals, who have a wide knowledge in the different stages and disciplines of the digital transformation: Digital Strategy, Infrastructures, Software Development, Creativity and UX/UI Design, Digital Marketing, and Big Data. Making Science is People Centric, and we actively bet on our employees! We believe that they are the key to any successful business, and therefore, our greatest asset. We strive to provide daily learning opportunities for those who work with us and their colleagues. It is also really important that they enjoy what they do, and have positive experiences. We want our employees to feel proud of their accomplishments, and that they belong to a company that is in constant growth, because each person’s contribution is essential to achieve our success.

We believe in the power of diversity and the value of inclusion.At Making Science, our unique experiences, backgrounds, and perspectives are what drive our innovation and success. We are dedicated to providing an equitable hiring process and an inclusive work environment where all individuals are respected and feel they belong. Join us and bring your whole self to work!

You will join the AI Forge engine within our newly launched AWAKE Venture Studio, working in a high-performance, flat-structured squad directly alongside our CEO, product innovators, and researchers. Our mission is to industrialize AI innovation by rapidly taking projects from PoC to global scale, with your immediate focus being Ally Partner—our corporate AI agent currently in active production. We combine a fast-paced, experimental startup culture with the robust, enterprise-grade MLOps and shared infrastructure of a global consultancy with hubs in Madrid, Chicago, and Tbilisi.

What we’d like you to do

Build & Prototype from Scratch: Turn bold concepts into working products using Python (FastAPI), running fast prototyping cycles in an experimental environment.

Develop Advanced Retrieval Systems: Design and scale production-grade RAG and GraphRAG systems integrating Neo4j and vector databases like Qdrant, Pinecone, or pgvector.

Orchestrate Multi-Agent Workflows: Build complex agent-to-agent (A2A) architectures and model routing using LangGraph, LangChain, LlamaIndex, and the Model Context Protocol (MCP).

Deploy & Scale MLOps: Manage the full product lifecycle on Google Cloud Platform (GCP) using Vertex AI, GKE, and Cloud Run. Set up model serving (vLLM, Ollama) and continuous observability/evaluation (Langfuse, Phoenix, W&B).

Evaluate State-of-the-Art Models: Continuously benchmark foundational models (OpenAI, Anthropic, Gemini, Llama) to define technical feasibility and feature roadmaps.

Security & Compliance: Adhere to our Information Security Best Practices, participate in Disaster Recovery drills, and follow our Good Environmental Practices Manual.

What we’d like you to bring

Proven AI Production Track Record: Solid experience shipping LLM-based applications and Generative AI solutions to actual production environments with real active users.

Deep Python Expertise: Expert knowledge of the Python ecosystem, including packaging and testing tools (Poetry, Pytest).

Data & Semantic Engineering: Deep understanding of rapid experimentation cycles, dynamic semantic chunking, embedding generation, and hybrid search optimization.

Infrastructure & Automation: Practical experience managing cloud infrastructure, containerization (Docker), and Infrastructure as Code (Terraform).

Thrive in Uncertainty: Comfort working in fast-paced startup or venture builder environments where requirements evolve quickly and autonomy is required.

Perks of joining us

We give you complete stability with an indefinite job contract.

We offer a fixed salary according to your worth and experience, plus a performance based bonus.

Get the most out of your salary with our Flexible Payment Plan (Restaurant Ticket, Transportation Ticket, Day Care Ticket, and Medical Insurance).

Do you know someone that fits in Making Science? Refer him or her, and you can get a bonus if they’re hired!

Feedback is part of our day to day lives. We recognize a job well done through a continuous feedback model.

The opportunity to meet our international team with our Ambassadors Program.

We care about a healthy work-life balance. You can count on having flexible working hours and one day a week where you can work from home.

You will never stop learning with us: subsidized training, free language classes, learning capsules, an e-learning platform, and many more.

Pack your bags! You’ll have 23 vacation days, plus 24th, 31st of December and San Publicito are off, and we have afternoons off on the eve of national holidays.

Work comfortably and follow your own style, because we don’t have a dress code.

We know how to have a good time!

Never go hungry with our free daily fruit and our vending machine card!

Take a break on our terrace, play foosball, darts, or PlayStation

Be a part of a young, adventurous, and professional team, with people you’ll grow fond of!

Challenge the future with us - Join our Making Science team!