# Dario Castañé 🏴‍☠️ (@dario.cat)

Profile: https://sifa.id/p/dario.cat
Headline: Senior Software Engineer (APM Data Collection and Storage - Go Language Platform @ Datadog), Indie Hacker, FLOSS Evangelist and Public Speaker
Location: Terrassa, Catalonia, Spain

## About

I am a Senior Software Engineer at Datadog, where I create and maintain APM Data Collection and Storage Language Platform in Go. With 20+ years of experience in full-stack development, DevOps, cloud computing, and software architecture, I have the skills and knowledge to deliver high-quality, scalable, and secure solutions for complex problems.

I am also passionate about free software, open source, and civil rights, and I actively contribute to various libraries and projects, such as Mergo, a small library to merge Go structs that is used by 60K repositories on GitHub, including Docker and Kubernetes. As a public speaker on topics related to politics and technology, I aim to empower people and organizations to build and use software that is ethical, reliable, and respectful of human dignity.

## Experience

- **Founder at Qomun** (2010 – 2014)
  A libre and free culture directory and promotion non-profit platform. Share, remix and love.
- **Public Speaker at -** (2012 – present)
  Experienced speaker in politics and technology with emphasis in civil rights and personal digital security. Slides in https://speakerdeck.com/dario
- **Co Organizer at IGD Tech & Drinks** (2018 – 2024)
- **Senior Software Engineer (Open Source & Go Language Platform) at Datadog** (2023 – present)
  Current maintainer of dd-trace-go, the Go SDK for integrating with Datadog, and Orchestrion, our compile-time autoinstrumentation tooling.
- **Founder at Coopanio OÜ** (2021 – present)
- **Software Engineer at Epnuke** (2012 – 2013)
  I cast Python spells to untangle gamebooks graphs for  Gamebook Experience, the line of gamebooks released by Epnuke Studio.
  
  As Technomancer, I developed Kerta, a language to annotate plain text to allow the reader app to reproduce complex gamebooks. Also, I have been involved in all the steps of the design of the game: "Saint George, the forging of a Legend".
- **Engineering Manager at Loyal Guru** (2020 – 2023)
  [Mid-senior]
  \- Team's members churn rate of 0% in all my time as Engineering Manager.
  \- Improved voucher generation by 6x, now delivering millions of vouchers per hour.
  \- Reduced main API's response times by 70%.
  \- Deliver good quality source code adjusted to given boundaries with a 90% success rate.
  \- 7 direct reports.
- **Board Member at Pirate Parties International** (2020 – 2023)
- **Board Advisor at TICAnoia** (2019 – 2022)
- **Promoter at Freedom to share** (2020 – 2022)
  European Citizen Initiative to legalise sharing – via digital networks, for personal use and non-profit purposes – of files containing works and other material protected by copyright, related rights and sui generis database rights, with a view to striking a balance between the rights of authors and other rightholders and the universal right to science and culture.
- **Board Member at Associació Blockchain Catalunya** (2019 – 2021)
- **Senior Go Software Engineer at Loyal Guru** (2019 – 2020)
- **Full Stack Engineer at ENGISOFT** (2006 – 2019)
  Full stack engineer for high availability cloud systems.
  
  Highlighted projects:
  \- Successfully implemented a PCI DSS bubble for processing credit cards in a global hospitality company with more than 400 establishments.
  \- Integrated an innovative portable electrocardiography device with HL7-based PACS.
  \- Managed a highly available booking platform with integration with external on-line travel agencies.
- **Board Member at TICAnoia** (2015 – 2019)
- **Councilperson at Ajuntament d'Igualada** (2015 – 2019)
  Elected city council member for Decidim Igualada.

## Education

- **Universitat Oberta de Catalunya** — Bachelor (2006 – 2010)
- **IES Milà i Fontanals** — CFGS (2005 – 2006)
- **IES Milà i Fontanals** — CFGS (2003 – 2005)

## Skills

- Graph Theory
- Brainfuck
- Cybersecurity Incident Response
- European Law
- GitHub
- Team Management
- Software Project Management
- Technical Leadership
- Agile Methodologies
- Google App Engine
- Google Cloud Platform (GCP)
- Ruby on Rails
- Open Source
- Go
- Python
- Software Design
- Shell Scripting
- Software Development
- XML
- Java
- Amazon Web Services (AWS)
- SQL
- Ruby
- MySQL
- Apache
- PHP
- JSON
- Linux
- C
- Django
- Bash
- Android
- PostgreSQL
- Nginx
- Eclipse
- Tomcat
- Ansible
- Open Source Software
- Free Software
- Puppet
- DevOps
- Paint
- Blockchain
- Leadership
- Chef
- Go (Programming Language)
- Cloud Computing
- Distributed Systems
- Git
- JavaScript
- CSS
- HTML 5
- Java Enterprise Edition

## Certifications

- AWS Solutions Architect - Associate — Amazon Web Services (https://aws.amazon.com/es/certification/certified-solutions-architect-associate/)
- AWS Certified Solutions Architect - Associate - RECERTIFICATION — Amazon Web Services
- edX Verified Certificate for Introduction to Hyperledger Sovereign Identity Blockchain Solutions: Indy, Aries & Ursa — edX (https://courses.edx.org/certificates/c01eb4d1abc548b790f2920728d60bcd)
- Seguridad Informática y Hacking de Sistemas — Ceina Formació (https://www.educaweb.com/curso/seguridad-informatica-hacking-sistemas-barcelona-124456/)
- Introducción al peritaje jurídico informático — ASPERTIC - Asociación profesional de peritos informáticos
- ISO 27001 Cybersecurity manager: Guidelines — Udemy (https://www.udemy.com/certificate/UC-c29ad244-062a-492f-b92e-144a33230029/)
- Humble Leadership: The Power of Relationships, Openness, and Trust (getAbstract Summary) — LinkedIn (https://www.linkedin.com/learning/certificates/464dfe0eba9d45180a7113a7eed88291a0d26c199b77e11830c479cfd812ee80)
- TeamOps Certification — GitLab (https://levelup.gitlab.com/c/MHqNizkSRVGn2Se1Vko9EQ)
- Triplebyte Certified — Triplebyte (https://triplebyte.com/tb/dario-castane-2chveq3/certificate)
- Wardley Mapping Practitioner — Hired Thought
- Certificate of English Proficiency (Level CEFR C1+) — goFLUENT
- Understanding the EU Cyber Resilience Act CRA (LFEL1001) — The Linux Foundation (https://ti-user-certificates.s3.amazonaws.com/e0df7fbf-a057-42af-8a1f-590912be5460/610d6f49-66e3-4b93-9d0f-e9b757052c3d-dario-casta-83843665-b0de-4aec-b740-27e7002c5bab-certificate.pdf)

## Projects

- **IoT platform on AWS for industrial monitoring**
  Low latency and scalable infrastructure to manage and visualize industrial monitoring data. Developed in Django, cloud and on-premise deployment with Docker.
- **Zas** — https://github.com/imdario/zas
  Zas is “the most zen static website generator ever” that uses nothing more than some markdown files and a layout for creating static sites. It’s highly configurable and very stable.
- **Integration platform for medical data capture and archive**
  High throughput platform to capture and consolidate medical data in Picture Archiving and Communication Systems (PACS).
- **Mergo** — https://github.com/imdario/mergo
  A helper to merge structs and maps in Golang. Useful for configuration default values, avoiding messy if-statements.

Used by Docker, Kubernetes, VMWare, Telefónica, Shopify, etc.
- **PCI compliant serverless infrastructure**
  Development and management of a PCI compliant Cloud Infrastructure on AWS. Project highlighted as an example of serverless architecture by Werner Vogels in 2018 AWS Summit at Madrid
- **Drupal Corporate Website (> 2k employees)**
- **Gamebook Experience**
  Gamebook Experience, is the name of the line of gamebooks released by Epnuke Studio. As Technomancer, I developed Kerta, a language to annotate plain text to allow the reader app to reproduce complex gamebooks. Also i have been involved in all the steps of the design of the game: "Saint George, the forging of a Legend".
- **Intranet migration from TTS to Drupal**
  Content migration from a TTS platform to Drupal.
- **Intranet migration from Oracle Portal to Drupal (> 2k employees)**
  Content migration from Oracle Portal to Drupal.
- **Migration of recreational machines management software to hybrid cloud (> 1k customers)**
  Design of the migration of a on-premise software to a hybrid cloud architecture based on Docker.
- **Security audit for complementary currency's mobile app and API based on Cyclos**
- **Data extraction assistant for EU Horizon 2020 project**
  Data extraction assistant for EU-funded project to compare effectiveness of self-management health interventions in high priority chronic diseases: developed in Django
- **Intranet for global manufacturer**
  Developed in Vaadin and Spring (Java)
- **Asembleo** — https://github.com/coopanio/asembleo
  Pseudo-anonymous voting system for distributed general assemblies, organizations, or events.

## Volunteering

- TIC coordinator at Pirates de Catalunya
- Technical Coordinator at Multireferèndum
- Campaign Coordinator at Unconditional Basic Income ECI
- Open Source Developer at Mergo
- Organizer at Freedom to share
- President at Fundación Inceptum
- International delegate at Pirates de Catalunya
- Frontend Developer at Vocdoni
- Board Member at Associació Blockchain Catalunya
- Board Member at TICAnoia
- Board Member at Pirates de Catalunya
- Technical Coordinator at Referéndum Real Ya

## Languages

- English (full_professional)
- Catalan (native)
- Spanish (native)

## Other profiles

- activitypub: https://mastodont.cat/@dario
- hackernews: https://news.ycombinator.com/user?id=darccio
- linkedin: https://www.linkedin.com/in/darccio
- tangled: https://tangled.org/did:plc:aj77r5uwt72o6oimdjfplqoz
- dns: https://dario.cat
- github: https://github.com/darccio
- bsky: https://bsky.app/profile/dario.cat