I'm a developer specialized in designing cost-effective infrastructure, automating manual tasks, and untangling technological chaos to help teams save time and resources. I'm driven by a passion for productivity, efficiency and transparency. Through my company, Crow Tech Pte. Ltd., my team and I provide consulting services in development, data, and infrastructure to help businesses thrive with lean, effective tech solutions.

👨‍💻 Work experience

  • CEO
  • 🏢 Crow Tech Pte. Ltd.
    📅 September 2024 - Present
    📍 Singapore (remote)
    🕐 Full-time
  • Intern → Backend developer → Tech lead
  • 🏢 Neolux Energy
    📅 January 2023 - Present
    📍 Madrid, Spain (remote)
    🕐 Full-time
  • Python developer & Data scientist
  • 🏢 Populate
    📅 September 2021 - February 2022
    📍 Madrid, Spain (remote)
    🕐 Full-time
  • Data scientist
  • 🏢 Cervecería Nacional Dominicana
    📅 March 2020 - August 2020
    📍 Santo Domingo, Dominican Republic (remote)
    🕐 Full-time
  • Python developer & Lead data scientist
  • 🏢 Referencia Laboratorio Clínico S.A.
    📅 August 2019 - March 2020
    📍 Santo Domingo, Dominican Republic
    🕐 Full-time
  • Vehicle insurance subscription analyst
  • 🏢 Seguros Sura
    📅 April 2019 - August 2019
    📍 Santo Domingo, Dominican Republic
    🕐 Full-time
  • Mathematics, programming & physics tutor
  • 🏢 Sainz Tutoring
    📅 November 2016 - May 2019
    📍 Santo Domingo, Dominican Republic
    🕐 Part-time
  • IT Technician
  • 🏢 Business Computer POS
    📅 May 2015 - October 2015
    📍 Santo Domingo, Dominican Republic
    🕐 Full-time
  • Marketing manager
  • 🏢 Alonso & Colado SRL
    📅 January 2014 - August 2014
    📍 Santo Domingo, Dominican Republic
    🕐 Full-time

📓 Career breaks

  • Career break to study and write
  • Voluntary resignation to study and refocus my interests
    📅 February 2022 - December 2022
    📍 Madrid, Spain
    🕐 Full-time

📚 Education

  • Master in Statistics for Data Science
  • 🎓 Universidad Carlos III de Madrid
    📅 September 2020 - September 2021
    📍 Madrid, Spain
    🕐 Full-time
  • Bachelor's degree in Mathematics and Actuarial Science
  • 🎓 Instituto Tecnológico de Santo Domingo
    📅 August 2015 - October 2019
    📍 Santo Domingo, Dominican Republic
    🕐 Full-time

📜 Certifications and Diplomas

  • HashiCorp Certified: Terraform Associate (003)
  • 🏢 HashiCorp - 📅 January 2025
    🌐 Credly
  • AWS Certified SysOps Administrator - Associate
  • 🏢 Amazon Web Services - 📅 January 2025
    🌐 Credly
  • AWS Certified Developer - Associate
  • 🏢 Amazon Web Services - 📅 January 2025
    🌐 Credly
  • AWS Certified Cloud Practitioner
  • 🏢 Amazon Web Services - 📅 January 2025
    🌐 Credly
  • AWS Certified Solutions Architect - Associate
  • 🏢 Amazon Web Services - 📅 December 2024
    🌐 Credly
  • Blockchain Specialization
  • 🏢 UC Irvine - 📅 February 2020
    🌐 Coursera
  • Blockchain Basics
  • 🏢 University at Buffalo - 📅 January 2020
    🌐 Coursera
  • Cryptocurrency and Blockchain: An Introduction to Digital Currencies
  • 🏢 Wharton Online - 📅 January 2020
    🌐 Coursera
  • FinTech: Foundations, Payments, and Regulations
  • 🏢 Wharton Online - 📅 January 2020
    🌐 Coursera
  • Data Scientist with Python
  • 🏢 DataCamp - 📅 October 2019
    🌐 DataCamp
  • Corporate Finance Essentials
  • 🏢 IESE Business School - 📅 July 2019
    🌐 Coursera
  • IBM Data Science Professional Certificate Specialization
  • 🏢 IBM - 📅 June 2019
    🌐 Coursera

🖥️ Skills

  • Python, SQL, Bash, JavaScript, Go, R, HTML/CSS/Tailwind CSS
  • Pandas, NumPy; modelling/ML; Metabase; PostgreSQL, MySQL, SQL Server, ClickHouse, DynamoDB
  • Docker, Kubernetes, Terraform, Ansible, GitHub Actions, Linux, AWS
  • FastAPI, Django, Node.js, React, Streamlit, REST, GraphQL
  • Agile/Scrum, Jira, code reviews, documentation
  • Cost optimization, automation, technical writing
  • Claude Code, GitHub Copilot, n8n, LLM APIs; blockchain/DeFi (power user)

🗺️ Languages

Native:
  • 🇪🇸🇩🇴 Spanish
    🇺🇸🇬🇧 English
Basic:
  • 🇲🇾 Malay
    🇳🇱🇧🇪 Dutch
    🇮🇹 Italian