Thomas Kiljanczyk is a senior full-stack software engineer with seven years of experience, specializing in backend development and AWS-driven architectures while confidently delivering front-end solutions in React and Vue. He has led migrations of legacy .NET Framework apps to .NET 8, improved observability with OpenTelemetry and Datadog, and coordinated multi-vendor projects as a lead engineer. Comfortable across .NET, Node.js (JS/TS), Kotlin Android, Chrome/Chromecast extensions and serverless Lambdas, he balances hands-on coding with technical leadership and recruitment involvement. Thomas regularly builds both employer-facing and freelance applications, demonstrating a persistent drive to ship production-quality software beyond his full-time roles. Based in Greater Poland, he combines formal engineering education with a practical, polyglot toolkit and a knack for persuading stakeholders to adopt better tooling and CI/CD practices.
7 years of coding experience
1 year of employment as a software developer
Engineer's degree, Computer Science, Engineer's degree, Computer Science at Poznan University of Technology
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Thomas Kiljanczyk - Senior Software Engineer at Relativity