John Todd

Sr. Solutions Engineer II

John guides enterprises through full-stack modernization and cloud migration, helping teams and leadership think differently about architecture, scalability, and operational resilience. He partners across technical and business functions to ensure decisions stick, embedding practices that sustain competitive advantage long-term.

Posts by John Todd

A Conversation with an LLM AI on Functional Programming
Mar 1, 2026 by John Todd · 17 min read
csharp development functional-programming refactoring
A conversation with an LLM AI on how to gradually improve a very procedural method through the use of functional programming techniques. I learned about contexts, how to pay careful attention to method signatures, and the strengths and weaknesses of different languages in the use of functional programming.

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From the Ground Up - The Idea and Authentication
Jan 4, 2026 by John Todd · 15 min read
C# development authentication cloud azure oauth
Learn how to build a modern website and web app from the ground up. This post outlines implementing OAuth 2.0 authentication using GitHub.

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Going Native - Swift
Oct 14, 2025 by John Todd · 13 min read
Swift development native
Close out this series by calling the rational matrix library from Swift

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Going Native - Python
Sep 30, 2025 by John Todd · 17 min read
Python ctypes Cython development native
Learn two ways of calling native code from Python: ctypes and Cython.

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Going Native - C#
Sep 19, 2025 by John Todd · 12 min read
C# development native
Learn how to calling native code from C# using attributes and structs. With a little work it can be made cross-platform on Windows, Mac OS, and Linux. C# also provides a way to free memory automatically to reduce the chances of leaks.

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Going Native - Foreign Function & Memory API (FFM)
Sep 17, 2025 by John Todd · 11 min read
Java FFM development native
Using FFM to call native code from Java

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Going Native - Java Native Interface (JNI)
Sep 8, 2025 by John Todd · 16 min read
Java JNI development native
Using the JNI to call native code from Java

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Going Native - Calling Native Code
Sep 4, 2025 by John Todd · 3 min read
C development native
Examples of calling native code from several modern languages

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