Stephen Nelson is a Director of Engineering based in Adelaide with 16 years of experience building scalable cloud platforms and full-stack web applications, primarily in the insurance and actuarial domain. He combines academic rigor—a PhD in Computer Software Engineering—with hands-on expertise in functional and object-oriented programming, system architecture, DevOps, and cloud automation (Terraform, Ansible). At Montoux he led platform architecture that included a DSL, Clojure/JS UI toolkit, continuous deployment and a copy-on-write document store, and now leads engineering and IP projects at Katalyst Interactive. An active open-source contributor, he has improved core tooling like the Leiningen build system and maintained Closure externs for JS libraries, underscoring a strong attention to build reliability and interop. Colleagues describe him as a thoughtful technical hire and mentor who bridges research, teaching, and production engineering to deliver robust, auditable systems.
16 years of coding experience
12 years of employment as a software developer
Doctor of Philosophy (PhD), Computer Software Engineering, Doctor of Philosophy (PhD), Computer Software Engineering at Victoria University of Wellington
Contributions:5 commits, 3 PRs, 21 comments in 4 years 3 months
Contributions summary:Stephen contributed to the core functionality of the Leiningen build tool. Their work focused on enhancing SSL support, upgrading Clojure dependencies, and adding support for reader conditional files (cljc). Additionally, the user fixed an issue related to extra whitespace in JVM options and addressed a problem to avoid visiting checkouts repeatedly, ensuring the build process functioned correctly.
DEPRECATED: Javascript libraries packaged up with Google Closure externs
Role in this project:
Full-stack Developer
Contributions:6 commits, 5 PRs, 2 comments in 2 years 3 months
Contributions summary:Stephen primarily contributes to the project by adding and updating externs files, likely for use with Closure Compiler. They update external definitions for JavaScript libraries, including `jsdiff`, `commonmark`, and `fingerprintjs2`. The commits involve fixing syntax errors and adding support for new versions of external JavaScript libraries, which suggests an effort to keep the project current and compatible with other projects.
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Stephen Nelson - Director Of Engineering at Katalyst Interactive