Sr. Software Engineer (PHP + React/Typescript)

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Sr. Software Engineer (PHP + React/TypeScript) based in the United States. As a Senior Full-Stack Software Engineer, you will build and improve digital tools that help nonprofit organizations manage fundraising events, including galas, auctions, and live experiences. You will own solutions from initial problem discovery through production delivery, working across React and TypeScript interfaces, PHP services and APIs, and the underlying data architecture. The role has a stronger frontend focus while requiring the ability to contribute confidently across the full stack. You will collaborate closely with Product, QA, and mobile engineers to deliver complete, reliable customer experiences. Working in an environment where requirements are not always fully defined, you will exercise sound judgment, take ownership, and drive problems through to resolution. AI coding tools are an integral part of the development workflow, and you will help raise engineering quality and productivity through thoughtful adoption, testing, and review.