Fanatics · 2 weeks ago
Senior Backend Engineer – App SDK & Server-Driven UX
Fanatics is seeking a Senior Backend Engineer to partner closely with their App SDK team, focusing on backend systems that enable server-driven UX. This role involves designing and building backend services that power SDKs and facilitate the evolution of app experiences without requiring frequent client releases.
eSportsManufacturingRetailSporting GoodsSports
Responsibilities
Design, develop, test, document, and deploy backend services that support mobile and app SDKs
Build systems that enable server-driven UX, feature configuration, and dynamic content delivery
Partner closely with SDK, mobile, and frontend teams to define API contracts and data models that scale across platforms
Translate product and UX requirements into backend-driven configurations and workflows
Lead the technical development of new capabilities from requirements through production rollout
Contribute to architecture decisions around versioning, backward compatibility, and client resilience
Help define engineering best practices for API design, schema evolution, and SDK support
Participate in on-call rotations and help troubleshoot production issues impacting client applications
Improve observability, testability, and operational metrics for SDK-facing services
Participate in code reviews, design discussions, and team planning
Mentor engineers and help grow backend expertise around SDK and server-driven design patterns
Be open to occasional travel to Fanatics offices, conferences, and team events
Qualification
Required
3+ years of experience building scalable backend services in production environments
Strong experience with Go (Golang) as a primary development language
Experience designing APIs consumed by mobile apps, web clients, or SDKs
Strong understanding of API versioning, backward compatibility, and client safety
Agile/SCRUM experience and comfort working in fast-moving environments
Excellent communication skills and ability to collaborate across product, design, and engineering teams
Preferred
Familiarity with server-driven UX, remote configuration, feature flags, or experimentation systems (strong plus)
Experience working closely with mobile or client platform teams (iOS, Android, Web, or SDKs)
Company
Fanatics
Fanatics is a sports merchandise retailer that manufactures fan gear and jerseys across retail channels. It is a sub-organization of Kynetic.
H1B Sponsorship
Fanatics has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2021 (2)
Funding
Current Stage
Late StageTotal Funding
$4.9BKey Investors
Clearlake Capital GroupNational Football LeagueAlameda Research
2022-12-06Private Equity· $700M
2022-03-02Private Equity· $1.5B
2022-01-01Series Unknown· $10M
Recent News
Rochester Business Journal
2025-12-24
2025-12-24
Company data provided by crunchbase