Tomas Anderson S.

Blockchain & DeFi Expert | Web3 Advisor | DREX Specialist | Professor | Speaker

São Paulo, São Paulo, Brazil

About

I had the honor of co-founding Itaú Digital Assets, the blockchain division of the largest bank in Latin America. What began as a team of three — myself and two fellow engineering leaders — grew into a strategic initiative with multiple specialized teams. Our initial focus was building and leading an institutional custody team. We developed a Hot Wallet solution using secure enclaves and best practices for key management, followed by a Cold Wallet solution leveraging HSMs and robust security protocols to mitigate custody risks. We then established a Blockchain-as-a-Service (BaaS) team responsible for managing blockchain communication, transaction processing, wallet events, and data indexing. When the Central Bank launched the pilot for its CBDC, Drex (Digital Real), I was invited to contribute from the architectural phase using Hyperledger Besu. I developed the initial bootnode key generation scripts, had the honor of deploying the first node for a financial institution, and actively participated in testing and providing feedback on privacy solutions such as Starlight, RAYLS, Nova, Anonymous Zether, among others. Finally, we created two high-performance teams to deliver a serverless, high-throughput crypto trading solution, integrated into both the Itaú SuperApp and Íon, enabling seamless crypto sales. Throughout this journey, I actively contributed to recruiting and mentoring engineers, supporting their career growth and helping shape a high-performing engineering culture. Now I have the honor to contribute with Inter Digital Assets emerging tech, happy to continhe evolving and developing new use cases to this market.

Experience

  • Software Engineer Specialist || - Emerging Technologies at Inter
    Aug 2025 - Present · 11 mos

  • Professor at FIAP
    Mar 2025 - Present · 1 yr 4 mos

    Professor e criador de conteúdo para a Pós Tech da FIAP.

  • Itaú Unibanco (Full-time · 5 yrs 6 mos)
    • Domains Expert in Cloud Native Blockchain Solutions | Itaú Digital Assets
      Mar 2022 - Jul 2025 · 3 yrs 5 mos

      I am the Tech Lead at Drex pilot (Real Digital) and co-founder of the Itau Digital Assets. I led the team building the Institutional Crypto Custody, the Blockchain as a Service Platform and the Crypto Distribution Solution, and we delivered Bitcoin and Ether sale on Itaú Investment App Íon. Form ERC patterns to Bitcoin Bips, Enclaves and HSMs, Solidity and a lot of Golang and NodeJS programming. And now leading the CBDC - Drex (real digital) pilot at Itaú.

    • Software Engineering Specialist I
      Aug 2021 - Jun 2025 · 3 yrs 11 mos

      Chapter Cloud | Software Engineering Specialist I | Leading a community Had the pleasure to work with Securities Services, supporting and coordinating 7 different squads to implement they cloud solutions ( AWS and on premises)

    • Tech Lead
      Mar 2020 - Aug 2021 · 1 yr 6 mos

      Leading the development and maintenance of a critical product. I had worked on the start of the AWS modernization of the product. Developing microservices in a event driven architecture. Lead the team in the development process, code review and CI/CD strategies. Agile practices to conduct the releases. Had a pleasure to deliver a AWS bootcamp to educate the Investments Services Community in infrastructure as a Code to deliver AWS technologies. Worked with Serverless Infrastructure with Python as well with SaaS (containers ECS) with Java. Java (Spring / Webflux), Websockets, and Observabilty well applieds. We had a stack with Splunk, AppDynamics and Serverless on AWS Cloudwatch + AWS X Ray Worked on the tracing and tooling of the applications reducing the response time SLAs of the team in production cases.

  • Founder / CTO at Oi! Garçom!
    May 2016 - Jan 2022 · 5 yrs 9 mos

    Automation Enterprise focused in Restaurants, Bars and Cruises It was a wild run but we closed our services in 2021.

  • Senior Software Engineer at Mercado Pago Brasil
    Mar 2019 - Feb 2020 · 1 yr

    Architectural design for new solutions using microservices paradigm Lead and support the tech team implementing the solutions designed Software Development in Java, Kotlin and Golang Working in a Agile Team in a multicloud environment with AWS (Amazon Web Services) and GCP (Google Cloud Plataform) Monitoring and Distributed Tracing of microservices with tools like NewRelic, Datadog, Kibana and others self owned tools of Mercado Libre