This is a library-authoring role, and the work happens in the open: public repos, public issue trackers, and API decisions whose consequences last for years. If you get satisfaction from a type checker that catches the bug before your users do, from an async client that cleans up after itself, and from an issue tracker that isn't a graveyard, you'll like it here.
Own the telemetry standard: what each layer emits and how signals are named, labelled, and versioned, enforced by checks in every team's build pipeline.
Run Semarchy xDM and its PostgreSQL databases across dev, QA, UAT, and prod, including model promotion, scheduled jobs, replication health, and monitoring.