Denis Andreev is an experienced iOS developer with 11 years building native Swift and Objective-C applications across legacy and modern iOS versions, currently delivering performant apps at ООО Компания Тензор. He brings deep expertise in multithreading, asynchronous programming, and architecture patterns (MVC, MVVM, VIPER), coupled with practical skills in REST integration, JSON/XML parsing, and modular app design. Denis pairs mobile craftsmanship with backend and cross-platform familiarity—having worked with Go, Java/Kotlin, Docker, CI/CD pipelines, and databases like MySQL and MongoDB—which helps him own end-to-end features and deployments. His background includes low-level performance tuning, crash analysis, unit testing and thoughtful UI work, and he’s comfortable across macOS, Linux, FreeBSD and Windows environments. Before focusing on iOS he led technical operations and network/server administration, giving him uncommon cross-discipline perspective for debugging and infrastructure-aware app design. Known for clean code and pragmatic architecture, he also contributes tooling and smaller Go/Swift projects on GitHub.
11 years of coding experience
12 years of employment as a software developer
Engineer's degree, Engineer of Automated Information Processing Systems and Management, Engineer's degree, Engineer of Automated Information Processing Systems and Management at Chuvash State University
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Denis Andreev - IOS Developer at ООО Компания Тензор