Senior Backend, Cloud & DevOps Consultant

With 8+ years of experience transforming complex monolithic systems into high-performance, scalable cloud architectures. I help startups and enterprises modernize their backends, implement robust CI/CD pipelines, and scale safely with zero downtime.
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Backend Engineering & Modernization

Expert in Python, FastAPI, and Django. Specializing in refactoring legacy systems, designing microservices, and enforcing clean code standards (SOLID, TDD, SonarQube).

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Cloud, DevOps & Observability

Building containerized, production-ready environments using Docker, Kubernetes, and AWS. Implementing advanced monitoring stacks with Prometheus, OpenTelemetry, and Grafana.

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Analytical Problem-Solving

With a strong academic foundation in physics and mathematics, I approach complex architectural challenges with precise, data-driven optimization strategies.

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Security & Identity

Implementing secure authorization protocols using Keycloak, OAuth2/OIDC, and modern IAM standards.

High-Impact Environments

Professional Background & Track Record

A snapshot of the high-impact environments and enterprise systems I’ve engineered:

Independent Technical Consultant / Freelance @ Freelance

Present - 2025

Advising companies on cloud architecture, backend optimization, and building production-ready templates (such as my open-source FastAPI Observability Stack). Developing scalable web solutions using modern stacks.

Senior Backend Engineer / AI Engineer @ BBVA Bank / GFT Technologies

Present - 2025

Refactored and optimized core banking microservices in production, enforcing quality gates via SonarQube and reducing API response times using FastAPI and SOLID principles.

Senior Python Developer @ Santander Bank / NovaQuality

2025 - 2024

Streamlined critical backend processes and improved long-term maintainability for core financial services.

Senior Backend Developer @ Brainy

2024 - 2023

Automated CI/CD pipelines using GitLab (reducing deployment time by 50%) and secured microservices architecture integrating Keycloak and OAuth2/OIDC flows.

Lead R&D Engineer & Project Engineer @ Aragon Photonics Labs

2023 - 2019

Led a technical team driving AI-oriented research projects, optimized real-time signal processing algorithms (increasing data analysis speed by 85%), and modernized deployment pipelines with Docker and GitLab.

🚀 Available for freelance projects

Let's Elevate Your Product

Whether you need to scale your current backend, refactor complex code, or build a robust cloud infrastructure from scratch.