Igor Cândido is a Senior Backend Engineer based in London with 11 years building high-performance, distributed systems across payments, streaming media, travel and online marketing. He blends deep .NET and C# expertise with modern Scala functional patterns (tagless final, Cats, Doobie) to design resilient microservices, message-driven architectures and aggregation databases. At Judopay he led PCI-compliant payment APIs and helped break a monolith into cloud-native services using Kafka, Cassandra and Terraform; at OnTrack he built fare-aggregation microservices in Scala. Colleagues know him for relentless context-grabbing, clear cross-team communication and a practical emphasis on testable, observable systems. Not obvious from job titles: he pairs low-level performance tuning and concurrency work with product-minded feature delivery, making him effective both in operations-critical services and feature-driven teams.
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