Rocio Ferreiro
Innovative Software Engineer specializing in Blockchain Development with full-stack expertise and a global footprint.
About me
I’m a Computer Engineer with hands-on experience in full-stack development, blockchain solutions, and automation. Currently serving as CTO at R3AL Blocks, I focus on shaping the technical direction and architecture of our asset tokenization platform with an emphasis on scalability and security. My background includes roles at IBM and several startups in Argentina and Canada, where I’ve worked across teams to build and deliver meaningful digital products.
The Value I Bring
Full-Stack Expertise
From frontend polish to backend architecture, I deliver end-to-end solutions using modern tools like Next.js, Nest.js, Solidity, and more.
Product-Minded Development
I focus on building scalable, user-centric products—not just writing code. I think like a founder and build like an engineer.
Team Leadership & Communication
I’ve led cross-functional teams and know how to balance technical execution with clear, empathetic communication.
Specialized in Emerging Tech
I have a strong focus on blockchain, automation and AI, leveraging my experience to create innovative solutions that drive business value.
Fast Learning & Adaptability
I thrive in fast-paced environments and pick up new stacks and frameworks quickly to meet evolving project needs.
My Work
A showcase of my projects and solutions.
Leading technology strategy and development at R3AL Blocks, a platform leveraging blockchain for real world assets.
Overseeing tech team and product architecture for a blockchain-based financial solution.
R3AL Blocks – CTO
1st place Chainlink bounty and 2nd overall for an educational subsidies system on Avalanche.
Built with Solidity, ERC-1155, Chainlink Functions, Teleporter, and Next.js.
Avalanche LATAM Summit 2024 – Hackathon Winner
A mobile app that generates optimized travel plans based on user-selected attractions.
Tourismo helps travelers explore cities by creating efficient multi-day itineraries starting and ending at a custom point, like a hotel. Users can personalize, share, edit, and download their plans.
Tourismo – Thesis Project
2nd place overall for a decentralized loyalty platform built on Polkadot.
Stack: Next.js, Tailwind, ink! smart contracts, Pinecone.
Nerdathon 2024 – Polkadot Hackathon
Leading blockchain innovation projects and worked in an EdTech platform called MundosE
Technologies: React, Next.js, Node.js, MongoDB, Solidity, Remix. MundosE offers university-level diplomas designed by top experts to maximize skill growth.
Get Sein – Technical Leader
Worked on 'Emma', a 3D-printed cognitive assistant robot and developed institutional pages.
Emma, built at IBM’s IoT lab, showcases Watson's capabilities through facial recognition, natural language, and guidance. Also contributed to IBM Cloud pages using Node.js and React.
IBM – Cloud Developer
A customizable progress bar for React with color-coded sections and tooltip support.
Published on npm as 'color-coded-progress-bar'. Built with usability and customization in mind.
Window Progress Bar – React Component Library
Connect the Dots is a mobile application to make World building NOW. It connects people globally around shared values and interests.
The goal is to raise awareness of the importance of taking action locally and amplifying your message globally.
Connect the Dots – University Project
My Journey
A look at the experiences and learning that brought me here.
Professor at Universidad Austral
Teaching Coding courses.
Joined as a professor in the Computer Engineering department, teaching Coding courses to undergraduate students. Focused on practical coding skills and software development best practices.
Dirigiendo Personas Program at IAE Business School
Completed executive education in leadership and people management.
Participated in the 'Dirigiendo Personas' program at IAE Business School, focusing on developing leadership skills, decision-making, and self-awareness to effectively manage teams and drive organizational success.
CTO at R3AL Blocks
Leading technical strategy for blockchain startup.
Began in March 2023, overseeing architecture, security, scalability, and innovation for a platform focused on real-world asset tokenization.
Implementation Manager & Engineer at Mastercard
Led payment integration projects for clients.
Oversaw implementation of systems for payment, card onboarding, and API integration starting January 2023 and ongoing.
Technical Leader at Get Sein
Led blockchain projects for innovation lab.
Managed a team of 4 and developed blockchain applications using React, Next.js, Node, MongoDB, and Solidity from August 2022 to October 2023.
Software Developer at Canada Pass
Frontend and client project development.
Designed and developed frontend solutions and multiple projects using technologies like Angular, React, Node, and Spring Boot from May to August 2022.
Cybersecurity Analyst at BTR Consulting
Implemented monitoring tools for cybersecurity.
Supported Wazuh implementation and conducted monitoring and analysis with Wazuh and Datadog from March to May 2022.
Exchange Program at University of Ottawa
Participated in a semester-long exchange.
Joined a Computer Science exchange program organized by Universidad Austral in Canada.
Cloud Developer at IBM
Worked on cloud solutions and client demos.
Employed IBM Cloud tools, developed and maintained a corporate webpage using Node.js and React, and created MVPs from April to December 2021.
Technology Assistant at Ternium (Techint Group)
Joined an international IT team at Ternium.
Supported Teams telephony integration and helped with internal presentations between January and March 2021.
Teaching Assistant at Universidad Austral
Assisted in Robotics and Mathematics classes.
Provided support for Robotics classes (Teseo competition) in the first semester and Mathematics prep course in the second semester.
Started Computer Engineering
Began undergraduate studies in Computer Engineering.
Enrolled at Universidad Austral in Argentina, starting a 4-year degree program in Computer Engineering.
Get in Touch
I’m open to collaborations, freelance projects, or new ventures.