Principal Software Engineer Backend and Data

Role Summary

Sklum is looking for a Principal Software Engineer – Backend & Data to be the major hands-on builder of the backend and data layer of the new Sklum app, which we are building from scratch. This is a primarily hands-on individual contributor role — you will spend most of your time writing and shipping production code.

You will report directly to the Principal Engineer – Architect and work in close partnership with them to translate the target architecture into a working, scalable, reliable system. You will own the full backend + data surface area of the app — transactional services, APIs, streaming pipelines, data stores, warehouses, and the data foundations that power AI and ML experiences.

Sklum Digital & AI is an agentic-native team: a small, high-leverage group that heavily uses agentic AI workflows to build applications and scale our impact far beyond traditional team sizes. For this role in particular, agentic fluen...