João Simões is a Solutions Architect with 11 years of experience designing scalable, transaction-heavy systems for web, desktop and mobile clients, currently shaping architectures at Glintt. He combines deep hands-on expertise across Java, C#, JavaScript, C/C++, Objective-C and SQL with practical mastery of stacks like ASP.NET Core, WCF/WPF, Spring, Entity Framework and jBPM. João has designed high-throughput solutions for national-scale clients (notably Portugal’s pharmacy ecosystem), optimizing systems to handle thousands of transactional requests per second while keeping maintainability and long-term sustainability front of mind. A prolific open-source enthusiast, he’s authored multiple libraries and contributed extensively on GitHub under gravity00, from lightweight SOAP clients to DB migration tooling. Based in Almada, Portugal, he pairs pragmatic engineering with a taste for tooling and automation that reduces operational friction across complex enterprise landscapes.
10 years of coding experience
7 years of employment as a software developer
Bachelor’s, Computer Science and Computer Engineering, Bachelor’s, Computer Science and Computer Engineering at Instituto Superior de Engenharia de Lisboa
Contributions:22 commits, 58 pushes, 2 branches in 5 months
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