Rafael Oliveira

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Rafael and Edwin worked together at Safra National Bank of New York.

“Edwin and I worked together at Safra National Bank of New York, where he was one of the core engineers behind the broker trading platform. The system touched every part of the bank, stocks, futures, options, and the integrations that tied trading into client services, credit, operations, and the middle office. That kind of footprint only works when the person building it understands the business, not just the code.

What set Edwin apart was how seriously he took the users on the trading floor and the operations teams. He would sit with traders to understand what they actually needed, then come back with something that fit the workflow instead of fighting it. He was equally comfortable in the front end, the services, and deep in SQL Server, which meant problems got solved end to end rather than thrown over a fence.

Reliability matters in a bank, and Edwin delivered it quietly and consistently. If you are evaluating him for a senior or lead role, he is the kind of engineer you can trust with a system the business depends on.”