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DavidSanSan110/README.md

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David Sánchez Sánchez

Backend & Platform Engineer · microservices, Kubernetes/GitOps, event-driven systems, and LLM tooling

LinkedIn Based in Salamanca, Spain


👋 About

I'm a 24-year-old backend and platform engineer at Telefónica, where I build and operate microservices and the delivery platform around them. I care about architecture that stays maintainable — reusable service templates, CI/CD pipelines that cut build times, and GitOps delivery with ArgoCD and Helm.

I'm also deeply into LLM systems: multi-provider model clients, RAG, fine-tuning, and observability. I contribute upstream when I can, most recently to the LangChain Perplexity integration.

🔭 Now

  • Backend and platform engineering on a ~35-service estate on Kubernetes/OpenShift
  • Studying for Kubernetes and cloud certifications
  • Freelance infrastructure work: a Terraform-built, GitOps Kubernetes platform (k3s, ArgoCD, Helm)

🌱 Open source

  • LangChain — Perplexity integration: fixed response parameters not reaching the model output, and updated docs; 3 merged PRs in langchain-ai/langchain

🧰 Stack

Backend & APIs

Data & messaging

Platform, cloud & CI/CD

Frontend

🚀 Featured projects

Project What it is Stack
AILearn AI-assisted learning web app: teachers manage content, AI builds a roadmap per student and corrects open-ended quizzes. Entered Hack4Edu 2023; the same project won 1st place locally at ProFuturo Node.js · Python · AI
QuakeSense Seismic-event detection for planetary missions: an ML detector filters noise and sends only relevant quakes back, with real-time 3D visualization. Built at NASA Space Apps 2024 Vue · three.js · Python · Docker
JadeTerminalSetup Demo of multi-agent behaviours (one-shot, cyclic, and finite) on the JADE framework Java

🏆 Hackathons

  • 6 first places in local hackathon phases
  • 4 podium finishes overall (3× 1st, 1× 2nd)

📊 GitHub stats

GitHub metrics

🎮 Player card

fullpitch player card for David Sánchez Sánchez

Public + private activity, scored with gitrank (the Gitwork formula) by fullpitch. Refreshed daily.

WakaTime


Always happy to talk about platform engineering, distributed systems, or LLM tooling.

Pinned Loading

  1. JadeTerminalSetup JadeTerminalSetup Public

    Java 8

  2. QuakeSense QuakeSense Public

    Vue 4 2

  3. Hack4Edu2024 Hack4Edu2024 Public

    Vue 3 1

  4. ConditionalDeploy ConditionalDeploy Public

    4