F1
F11 (Factor Eleven)· HQ in Ulmenstr. 21a, 22299 Hamburg, Germany

Senior Backend Engineer (all genders)

Location: Munich · Category: Engineering & Development · Seniority: Senior · Posted: September 15, 2026 · Verified: Sep 17, 2026

Role Overview & Description

This Senior Backend Engineer role owns backend workstreams in the Media Planning team, focusing on the media allocation engine, Kafka event-driven integration, and DocuSign approval flows. The engineer will take end-to-end ownership of technical topics, extend event-driven contracts with Order Management, and contribute to a federated GraphQL backend architecture, requiring 6+ years of TypeScript and Node.js experience in lean startup environments.
Source & Transparency: This position was structured directly from the publicly accessible career portal of F11 (Factor Eleven). Details on the employer’s original job posting are authoritative. Polaris7 charges no placement fees and conducts no candidate screening.

About the company

F1

F11 (Factor Eleven)

factor-eleven.com

Retail adtech platform for store-visit campaigns and creative automation.

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