Join us at Provectus as part of a team dedicated to building cutting‑edge technology solutions that have a positive impact on society. Our company specializes in AI and ML technologies, cloud services, and data engineering, and we take pride in our ability to innovate and push the boundaries of what's possible.

We are looking for a highly skilled Senior Python Developer with experience in generative AI to join our team. We build AI‑driven products, where you’ll develop and ship Python services and LLM features (including RAG, tools, and agents) on a daily basis — while leveraging AI across your entire workflow, from development to delivery. If you have a passion for AI and experience in building innovative solutions, we would love to hear from you.

Let’s work together to build a better future for everyone

Responsibilities

Build and optimize RESTful APIs and servers using frameworks such as FastAPI, Django REST, or Flask

Implement and optimize Retrieval Augmented Generation (RAG) systems

Profile and optimize Python code to enhance performance





Collaborate with cross‑functional teams, including ML engineers and product managers, to deliver high‑quality products

Write clean, maintainable, and well‑documented code

Stay updated with the latest developments in Python and AI technologies and propose innovative solutions

Requirements

Strong proficiency in Python

Solid understanding of OOP, design patterns, and clean architecture

Experience building RESTful APIs with FastAPI, Django REST, or Flask

Experience with LLM APIs (OpenAI, Anthropic, or AWS Bedrock)

Experience building RAG systems

Proficiency with AI‑assisted development (Claude Code, Cursor, Copilot)

Experience with Docker and Kubernetes

Understanding of microservices and event‑driven architectures

Experience with AWS (Lambda, ECS, Bedrock, S3, SQS)

Proficiency with SQL (Postgres), NoSQL (DynamoDB, Redis), and vector databases

Strong testing practices: pytest, mocking, integration tests for AI sy

📌 Senior Python Engineer (Madrid)
🏢 Provectus
📍 Madrid