Hello, my name is Johannes Gnadlinger

Backend Engineer specializing in corporate payment systems and financial infrastructure. Based in Linz, Austria. 🇦🇹 🇪🇺

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Systems I've Worked On

Backend systems for private and corporate banking — payment flows, transaction reliability, operational correctness.

Corporate Payment Systems

Backend services for payment flows, SEPA transactions, and ledger consistency in regulated, transaction-heavy systems.

Private Banking Systems

End-to-end applications, frontend and backend, for customer-facing banking services.

Engineering Thinking

Designing services that behave predictably under failure, load, and retries. Correctness and operational reliability before features.

Primary technologies: Java, Jakarta EE, REST APIs, Angular

Projects

Side projects I designed, built, and ship myself.

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Find Me / Contact Me

Find me on Stack Overflow, GitHub, and LinkedIn.