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Achievement: YOLOAchievement: Pull Sharkx3Achievement: Arctic Code Vault Contributor

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Carlos-Augusto/README.md

Hi, I'm Carlos Augusto Sanchez 👋

Systems Engineer & Software Architect · Berlin, Germany 🇩🇪

Systems Engineer and Software Architect with 13+ years of experience building secure, high-scale backend systems — from EU-wide digital health infrastructure (COVID vaccination certificates) to certified medical devices under EU MDR.

🔭 What I'm working on

  • Head of Development at Recovery Cat GmbH — building a certified Class I Medical Device (EU MDR 2017/745), owning architecture, security threat modeling, and engineering team leadership.

🚀 Previously

  • Lead Software Engineer at Ubirch GmbH (GitHub) — delivered backend components for the German Vaccination Proof (DCC), built blockchain attestation platforms (IOTA, Ethereum), and designed KYCT, a Web3 KYC solution on ERC-721 NFTs.
  • Senior Software Engineer at pluriME International — built website-builder and e-commerce platforms, marketing automation tools, and RESTful API systems.

🛠️ Tech Stack

Languages: Scala · Java · TypeScript · Go · Python · Ruby · Bash

Backend & Streaming: Akka (Actors, HTTP, Streams) · Cats / Cats Effect · Monix · fs2 · Kafka · Play · Quarkus · Node.js

Databases: PostgreSQL · Cassandra · Redis · JanusGraph · MySQL · Oracle · SQLite

Platform & DevOps: Docker · Kubernetes · Helm · GitLab CI/CD · Keycloak · Grafana · Kibana · Loki

AI & ML: LangChain · LangGraph · MCP Servers · Agentic Workflows · PyTorch · Deeplearning4j

🌱 Interests & Activities

  • 🧘 Zen meditation
  • 📚 Reading & Languages
  • 🛼 Inline skating
  • 🎤 Former Functional Programming Meetup Organizer (Scala, 2017–2022)
  • 🏛️ Former ACM Software Engineering Interest Group Leader

📫 How to reach me

LinkedIn Medium GitLab X

🌍 Languages

🇪🇸 Spanish (Native) · 🇬🇧 English (Full Professional) · 🇩🇪 German (Full Professional)

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  1. ubirch/ubirch-event-log ubirch/ubirch-event-log Public

    The Event Log System is a collection of services that allow the creation, collection and aggregation of Merkle Trees that are connected with each other and that can be persisted and anchored into b…

    Scala 5 2

  2. ubirch/ubirch-blockchain-service ubirch/ubirch-blockchain-service Public

    ubirch public blockchain anchoring service

    Java

  3. ubirch/ubirch-kafka-express ubirch/ubirch-kafka-express Public

    ubirch Kafka based micro service template

    Scala 1

  4. ubirch/niomon-decoder ubirch/niomon-decoder Public

    Niomon (ubirch message ingestion pipeline) - message decoder micro-service

    Scala

  5. ubirch/niomon-signer ubirch/niomon-signer Public

    Niomon (ubirch message ingestion pipeline) - message signing micro-service

    Scala

  6. ubirch/ubirch-id-service ubirch/ubirch-id-service Public

    ubirch identity management service

    Scala 3 1