Applied AI Engineer

<h3 id="about-the-role" data-lfile-container="62b0891e-041b-454b-8817-e0cb1de64c6f" data-pm-slice="1 1 []">About the role</h3> <p>Scale's Global Public Sector team uses AI to address critical challenges facing the public sector around the world. As an Applied AI Engineer, you'll build AI that runs inside production systems used by national health and government organisations.</p> <p>You'll own scoped components of those systems, such as a model integration, agent tool, API, data pipeline, or evaluation, from implementation through to delivery. Senior engineers set the system-level design and client commitments, so you can go deep on making your components work reliably on real data.</p> <h3 id="what-youll-do">What you'll do</h3> <ul> <li>Own the implementation, testing, and delivery of defined AI components within an established system design</li> <li>Build agent tools, model integrations, and the backend services and APIs they depend on</li> <li>Run and extend evaluations within an established framework, interpret results, investigate common failure modes, and flag regressions</li> <li>Debug production issues in the components you own and resolve them using the team's engineering practices</li> <li>Communicate progress and blockers early, and take responsibility for delivery dates within your scope</li> <li>Work directly with client teams on the requirements and feedback for your components</li> <li>Share what you learn with the team as you build public sector domain expertise</li> </ul> <h3 id="what-we-look-for">What we look for</h3> <ul> <li>Experience building and shipping production software, with proficiency in Python and working knowledge of at least one of TypeScript, Java, or C++</li> <li>Hands-on experience integrating models or AI/ML components into a production application, such as calling LLMs, building retrieval or agent tooling, or deploying a trained model</li> <li>A working understanding of ML evaluation: how to read results, spot regressions, and i