Abel Garcia

My Journey in Software Development

With over 8 years of experience, I excel in full-stack development and software architecture, focusing on optimization and performance.
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Full-Stack Expertise

I have a strong background in both frontend and backend technologies, including Python and React. My work emphasizes clean code and efficient algorithms to enhance application performance.

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Analytical Skills

My foundation in physics and mathematics allows me to approach problems with a unique analytical perspective, optimizing algorithms and processing data effectively.

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Key Achievements

Throughout my career, I have successfully led numerous projects, implementing innovative solutions that significantly improved system performance and user experience.

From Physics to Full-Stack

My Professional Journey

A chronological overview of my experience, from academic foundations to full-stack development. Each step represents a milestone in my growth as a software engineer.

Present - 2025

Freelancer

Senior Full Stack Developer

  • Developed scalable web applications using Astro and React.
  • Optimized backend APIs with Python and FastAPI.

Technical Consultant

  • Advised startups on architecture and deployment.

Present - 2024

Santander Bank / NovaQuality

Senior Python Developer

  • Refactored and optimized core banking services in production, leveraging SonarQube to detect code smells, enforce quality gates, and enhance long-term maintainability.
  • Integrated microservices architecture with Python and FastAPI, streamlining backend processes, reducing API response time through SOLID principles

2024-2023

Brainy

Senior Backend developer

  • Used SonarQube to ensure code quality and guide the development of a scalable microservices architecture.
  • Automated CI/CD pipelines using GitLab, reducing deployment time by 50% and increasing release frequency.
  • Integrated Keycloak as an identity provider across microservices, implementing OAuth2/OIDC flows and securing API communication against common authentication vulnerabilities.

2023-2019

Aragon Photonics Labs

(2023 - 2021) Lead R&D Engineer

  • Led a 5-person technical team, managing AI-driven research projects in collaboration with universities
  • Optimized real-time signal processing algorithms, increasing data analysis speed by 85% in photonic devices.
  • Developed and maintained a Dockerized microservices architecture}, improving software scalability and deployment efficiency.
  • Managed GitLab CI/CD workflows, reducing software release cycles from 3 weeks to 1 week.

(2021 - 2020) R&D Engineer

  • Designed and implemented high-performance data processing pipelines, reducing computational time for seismic and audio data analysis by 40%
  • Applied SOLID and TDD principles to refactor legacy code, improving maintainability and test coverage.
  • Processed terabytes of real-time data, enabling advanced analytics in photonic measurement systems.

(2020 - 2019) Project Engineer

2017

Efor, Internet and technology

Data analyst

2016

Kampal Data Solutions, BIFI, L.S.

Intership

rocket