Senior Digital Optimization Manager

At T-Mobile, we invest in YOU Our Total Rewards Package ensures that employees get the same big love we give our customers. All team members receive a competitive base salary and compensation package - this is Total Rewards. Employees enjoy multiple wealth-building opportunities through our annual stock grant, employee stock purchase plan, 401(k), and access to free, year-round money coaches. That's how we're UNSTOPPABLE for our employees This is not a remote position. T-Mobile is a hybrid work environment requiring work in the office three (3) days per week. The successful candidate will be located in the Seattle, WA areaJob OverviewThe Senior Digital Optimization Manager is a senior leadership role responsible for setting strategy and driving execution of enterprise-level digital optimization and personalization capabilities. This role works cross-functionally to prioritize, design, pilot, implement, and scale optimization solutions, including advanced targeting rules, automation, decisioning, recommendations, and machine-learning driven experiences, as well as operational and process improvements that mature experimentation and personalization programs.This role leads the end-to-end delivery of split (A/B and multivariate) testing and personalization initiatives across web and app, driving measurable incremental business value. The Senior Digital Optimization Manager partners closely with product, marketing, analytics, engineering, and customer experience teams to identify high-impact opportunities, define success metrics, and deliver continuous customer experience improvements.The role provides strategic mentorship and hands-on leadership across testing and personalization efforts, including experience conceptualization, feasibility assessment, roadmap planning, execution, and rigorous testing methodology. This includes ensuring statistical rigor, test validity, and actionable insights, while delivering against defined service level agreements and business priorities. As a subject matter authority in Digital Optimization, this role delivers consultative guidance to internal partners, translating business goals into testable hypotheses and scalable personalization strategies. Responsibilities include deep test analysis, synthesis of insights, and iterative recommendations that inform future experiences, roadmaps, and investment decisions.This position is a key driver of experimentation and optimization maturity, leading the definition, documentation, and adoption of standard methodologies, governance models, tooling best practices, and operating processes for company-wide A/B testing and personalization.This role is responsible for the strategy, roadmap, and execution of A/B testing and contextual and personalized experiences across Consumer business and marketing initiatives, with a primary focus on web and app homepage experiences and other upper-funnel digital touchpoints. This role is critical to scaling contextual marketing and personalization capabilities as the organization accelerates data-driven, customer-centric experiences in 2026 and beyond, ensuring solutions are scalable, privacy-compliant, and aligned to long-term platform and brand strategy.Job Responsibilities:Plan & complete optimization and personalization digital campaigns, including; the definition of test strategy, goals, return on investment, tracking metrics, sample size, and campaign duration.Strategize in partnership with cross-functional customers from across the organization, including digital business leads, user experience, design, analysts, product managers, and development.Develop a testing roadmap to ensure campaigns are run on time and without conflictLead A/B testing process from intake feasibility, creation, analysis, result, and recommendations.Gather and analyze data from multiple sources to evaluate success of optimization

Created: 2026-03-07