About Us NPX partners with nuclear utilities and new reactor projects to unlock performance through innovation. We combine decades of nuclear operation expertise with AI, digital tools, and lean processes to help plants run safer, smarter, and more cost‑effective. Our Digital Transformation team scales this expertise through both NPX‑developed and industry‑leading products, delivering solutions to clients across Canada, the U.S., and globally.

The Role As a Senior .NET Developer at NPX, you will own the design and evolution of mission‑critical software systems that power digital transformation across the nuclear industry. You will operate at the intersection of application architecture, cloud infrastructure, and operational excellence, building scalable, resilient systems designed to perform in high‑stakes environments. Partnering closely with product leaders, nuclear domain experts, and fellow developers, you will translate complex operational challenges into robust technical...