Backend Engineer II

AI-native development Uses AI tools and practices across the software development lifecycle in a disciplined way, from design and coding through testing, code review and incident investigation. Takes responsibility for every AI-generated change: reviews it fully and applies the right tooling and processes with minimal guidance. Contributes to design documents. Designs for testability and uses AI tools for test automation. Contributes to deployment automation for complex messaging features, aiming for zero-touch deployment. Contributes to security review standards, security deployment gates and scanners, and security monitoring. Works with security partners on threat models, premortems, breach drills and incident response, and makes sure AI safety features are in place for AI-powered capabilities. Works with partner teams before go-live so end-to-end testing, live-site coverage, scalability, performance and DRI escalation paths are in place. Works with TPMs and stakeholders to review work items, carry out project and release plans, break large work into estimated pieces and raise issues that could cause delays. Works with Data Science and PM to define success and guardrail metrics. Contributes logging, instrumentation and telemetry on performance, reliability, availability, usage and safety. Builds dashboards and alerts that improve issue detection and security investigation, and considers the privacy impact of every telemetry change. Improves troubleshooting guides (TSGs), wikis, tests and telemetry to make on-call better. Works with PM, privacy and security experts, and tech leads to understand customer requirements. Brings customer insights and continuous feedback loops into designs and fixes, using quantitative signals (usage, performance) and qualitative ones (accessibility, globalization), and speaks up for customers' security and privacy needs. Bachelor's Degree in Computer Science or related technical field AND 2+ years technical engineering experience with coding in languages including, but not limited to C#, or Java These requirements include but are not limited to the following specialized security screenings: Master's Degree in Computer Science or related technical field AND 3+ years technical engineering experience with coding in languages including, but not limited to C# or Java OR Bachelor's Degree in Computer Science or related technical field AND 5+ years technical engineering experience with coding in languages including, but not limited to C# or Java OR equivalent experience.