Senior Backend Engineer – App SDK & Server-Driven UX jobs in United States
cer-icon
Apply on Employer Site
company-logo

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
check
H1B Sponsor Likelynote

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

Go (Golang)Backend servicesAPI designServer-driven UXAgile/SCRUMCommunication skillsCollaboration

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

company-logo
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 Stage
Total Funding
$4.9B
Key Investors
Clearlake Capital GroupNational Football LeagueAlameda Research
2022-12-06Private Equity· $700M
2022-03-02Private Equity· $1.5B
2022-01-01Series Unknown· $10M

Leadership Team

J
Joseph Bozich
Advisor to Chief Executive Officer
linkedin
leader-logo
Michael Mahan
CEO
Company data provided by crunchbase