Antonio María Rodríguez-Ynyesto Sánchez
Blockchain Developer | Smart Contracts
Salary / Daily rate
Madrid, Spain
Freelance, open to permanent contract
Can come onsite
Skills
Languages
About me
Intro
Blockchain developer with 4+ years experience in smart contracts and DeFi protocols. Co-founded BitChill (Rootstock grant winner) and developed automated DCA protocols with yield generation. Specialized in Solidity, Foundry, and security auditing to deliver robust decentralized solutions for your blockchain needs.
Work experience
Blockchain Developer
Umbrella Research
Mar 2025 - Present
1 year 8 months
Co-founder and Smart Contract Developer
BitChill
Jan 2024 - Present
2 years 10 months
Since winning the hackathon hosted by Vottun & Dextools and sponsored by Rootstock, my team and I have kept developing our project, BitChill, for which we were given a Rootstock grant. I am the smart contract developer of the protocol, whose goal is to provide automated DCA purchases of bitcoin while producing a yield on the initial capital deposited for DCA.
Software design engineer
Alstom
Apr 2022 - Mar 2025
3 years
Madrid, Spain
Software development, maintentance and validation at the railway signalling team at Alstom, with C# and Visual Studio 2022 as my main stack.
RPA junior developer
Cognizant
Apr 2021 - May 2022
1 year 2 months
Madrid, Spain
During my year at Cognizant I learnt the three main Robotic Process Automation (RPA) technologies, UiPath, Blue Prism and Automation Anywhere. I also participated in an automation project with UiPath for an extra-EU client, developed by an international team.
Junior engineer in automation and control
Zeus Control
Sep 2020 - Dec 2020
4 months
Madrid, Spain
Internship done while working on my second master's thesis, in which I carried out support tasks in projects involving PLC automation, structured text (ST) and VBA.
Web developer
Ofigaser S.L.Freelance
Feb 2020 - May 2020
4 months
Madrid, Spain
Personal project of developing Ofigaser S.L.'s website (currently offline), carried out for the sake of learning how to build a Wordpress professional website, with no previous knowledge or compensation.
Education
Cyfrin Updraft
Security and Auditing
2024 - 2025
1 year 7 months
Cyfrin Updraft
Foundry Fundamentals
2023 - 2023
2 months
Cyfrin Updraft
Advanced Foundry
2023 - 2023
2 months
Cyfrin Updraft
Blockchain Basics
2023 - 2023
1 month
Cyfrin Updraft
Solidity Fundamentals
2023 - 2023
1 month
Alchemy University
Ethereum Developer Bootcamp
2023 - 2023
6 months
CodeCrypto
Blockchain Engineer Master's
2022 - 2023
1 year
The Block Temple
Fundamental Analysis 101
2023 - 2023
2 months
TokenEngineering Academy
Token Engineering Fundamentals - Complete course
2023 - 2023
2 months
Universidad Politécnica de Madrid
Máster en Automática y Robótica
2018 - 2021
4 years
Universidad Politécnica de Madrid
Master's degree
2018 - 2021
4 years
KU Leuven
Erasmus
2017 - 2018
2 years
Universidad Politécnica de Madrid
Grado en Ingeniería en Tecnologías Industriales
2014 - 2018
5 years
Colegio Santa María del PIlar
1999 - 2014
16 years
De la Salle College Churchtown - Dublin
2011 - 2012
2 years