Senior External Development Manager is open at 31st Union in San Mateo, California, United States. The posting gives a salary of $128K - $189K. Posted on Oct 22, 2026, and still on 31st Union’s careers page when we last checked, on Nov 14, 2026.
About the role
External Development Strategy: Partner with Head of Operations and studio leadership to set and evolve our external development strategy: which disciplines are viable to send out, which partnership model fits each (asset vendor, embedded team, full co-development), and what we deliberately keep in house. Draft the internal-versus-external business cases behind those calls rather than presenting them as instinct…
The opening lines of the posting. The rest is on 31st Union’s careers page.
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