Cassio Dias is a seasoned staff/lead software engineer based in Braga, Portugal, with two decades of experience building complex, distributed systems and leading multi-team engineering efforts. He has repeatedly operated at the intersection of platform engineering, performance and observability—driving projects from NRDB telemetry at New Relic to performance platforms at SeatGeek and voyage decarbonisation at Maersk. Comfortable across languages and stacks (Elixir, Go, Python, Java) and cloud-native tooling (Kubernetes, AWS, Datadog), he focuses on developer experience, reliability, and pragmatic architecture. Cassio has scaled teams and systems in both product and consulting contexts, including launching microservices ecosystems and critical financial integrations for Gympass. Known to be “sometimes coding but always drinking coffee,” he blends hands-on engineering with mentorship and a consultant’s knack for aligning technical work to business value. His background—MSc in Advanced Software Engineering and a history of roles from startups to enterprise—gives him a rare mix of deep technical breadth and delivery-oriented leadership.
11 years of coding experience
24 years of employment as a software developer
Bachelor's degree Computer Science, Bachelor's degree Computer Science at ULBRA
Msc Computer Science Advanced Software Engineering, Msc Computer Science Advanced Software Engineering at University College Dublin
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Cassio Dias - Independent Software Consultant at Freelancer