Guillermo Albert · guillermoalbert.dev

Available for opportunities · La Nucía, Alicante (ES)

Guillermo
Albert García

Backend-first Full Stack Developer·Java/Spring/Angular

I used to sequence data in a lab. Now I turn real problems into software that works.

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§ 01

About

// biology → dev

I treat backend the way I once treated the lab: hypothesis, measure, iterate.

I started in a lab: sequencing data, measuring biodiversity, defending every conclusion with evidence. Today I design APIs, model databases and deploy containers to production. The method barely changed.

My scientific background (a Biology degree, research, and three peer-reviewed publications) is the lens I bring to development: rigour, critical reading of the data, and the discipline of measuring before deciding.

I'm backend-first. I can hold my own on the frontend, but where I really add value is the backend: architecture, the data model, and a system that holds up in production.

With agentic AI (Claude Code, MCP) I don't improvise: I specify, the agent executes, and the code passes through my verification gates (tests, review, monitoring). I've built a way of working where AI accelerates and evidence decides.

§ 02

Experience

// where I've worked

Mar 2024 — Present

Full Stack Developer · Inetum

France AgriMer · public sector

Two platforms for the French Ministry France AgriMer, managing aid, subsidies and payments to farmers across France.

  • New project (Angular / Spring / JPA): 5 transactional entities developed end-to-end into production, complex business logic and schema evolution with Liquibase.
  • Legacy project (JSF / Java 8 / Oracle): evolutive maintenance, 10+ JasperReports templates and 15+ corrective PL/SQL scripts on a production database.
  • Continuous quality with SonarQube, JUnit and Angular component tests, in an international team (~10 people) under Agile methodology.

2022 — 2024

Web App Development (DAW) · IES Mare Nostrum

Higher diploma · software development

My formal switch into software: two years of full-stack development, databases and deployment. I joined Inetum before finishing the programme.

2016 — 2022

Research & Biology · Universidad de Alicante

BSc + MSc · research

Research at CSIC (Doñana Biological Station) and the Helsinki Natural History Museum, with an MSc in Biodiversity (Univ. of Valencia). Sequencing data, measuring biodiversity, and 3 peer-reviewed publications. That's where my evidence-based approach to engineering began.

§ 03

Stack

// tools I reach for
LANGUAGES
Java 21TypeScriptPythonSQL
BACKEND
Spring BootSpring SecurityJPA / HibernateRESTJWT
FRONTEND
AngularReactHTML / CSS
DATA
PostgreSQLLiquibaseETLPower BI
INFRA / DEVOPS
DockerProxmox / LXCTailscaleLinuxCloudflare WorkersGitLab CI
PRACTICES
Testing (pytest · JUnit)Diseño de APIsModelado de datosGit
AI / AGENTS
Claude Code (skills · hooks)Claude APIMCPAI AgentsCodexOpencode
§ 04

Selected work

// projects in production
012025 — Present

MAMS — My Athlete Monitoring System

Sports-load monitoring SaaS

A backend-first SaaS for semi-pro clubs and academies: multi-level permissions model, schema design with Liquibase, and GPS data ingested through an incremental ETL pipeline with idempotent upserts.

5 transactional entities end-to-endCatapult GPS

Spring BootJava 21Spring SecurityJWTPostgreSQLLiquibaseReact
Architecture
022024 — Present

Proxmox Home Server + Tailscale

Self-hosted infrastructure

My own infrastructure running in production: 10 LXC containers, Python ETL pipelines (Catapult → PostgreSQL + Power BI), a self-built monitoring dashboard, an LLM-assisted pipeline that classifies invoices and extracts their data, and hands-on incident management with encrypted off-site backups.

10 LXC containers77-test pytest suite

Proxmox VEDockerLXCTailscalePostgreSQLPython · ETLLLM
Documentation
§ 05

Publications

// peer-reviewed
2022applied MLIbis164(4) · 1123–1131

Semi‐automated detection of tagged animals from camera trap images using artificial intelligence

Santangeli, A., Chen, Y., Boorman, M., Sales Ligero, S., & Albert García, G.

doi:10.1111/ibi.13099
2022conf.INTED2022 Proceedingspp. 2481–2487

Teaching Parasitology in Biology Degrees: From Subjects to Principles

Aznar-Avendaño, F.J., Albert-García, G., Barón-Rodríguez, P., et al.

doi:10.21125/inted.2022.0726
2015Iberomyrmex7 · 3–6

Hormigas del Parque Natural de Serra Gelada y citas interesantes para la mirmecofauna alicantina (Hymenoptera, Formicidae)

Albert, G., & Arcos, J.

Iberomyrmex nº 7 (PDF)
§ 06

Contact

// let's talk

Got a backend that needs designing, a system that needs to stay up, or a project to talk through? Write to me.

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