Principal Systems Architect - Salesforce

T-Mobile T-Mobile · Telecom · Bellevue, WA +3

Seeking a Principal Solutions Architect to lead architecture strategy and execution for T-Mobile's B2B consumer-facing platforms. This role is critical for designing scalable, secure, and compliant digital experiences for enterprise and federal customers across commerce, onboarding, and account servicing. Responsibilities include defining and maintaining architecture standards, evaluating third-party products, and providing architectural leadership for web and mobile platforms. The role requires extensive experience in B2B online e-commerce systems architecture, web experience management, and mobile web applications.

What you'd actually do

  1. Architect End-to-End B2B Experiences: Design scalable and secure solutions across onboarding, servicing, and commerce flows for T-Mobile’s enterprise and federal customer base.
  2. Evaluate third-party products to determine suitability for integration into organizational technology solutions, including enterprise platforms and vendor ecosystems
  3. Define and maintain software development processes to ensure consistent application architecture, API-first integration strategies, and technology standards
  4. Translate business requirements into technical specifications and support team members in solution implementation across onboarding, servicing, and commerce domains
  5. Provide architectural leadership for scalable, secure, and compliant B2B digital experiences across web and mobile platforms

Skills

Required

  • Bachelor's Degree plus 7 years of related work experience OR Advanced degree with 5 years of related experience
  • Computer science or related field
  • 7-10 years experience in business environment
  • 7-10 years experience as software or systems architect, engineer, programmer
  • 4-7 years experience in B2B online e-commerce systems architecture and design
  • 4-7 years experience in web experience management technologies included but not limited to self-services, content management, search, analytics, and marketing automation
  • 4-7 years experience in architecture and design of mobile web applications included responsive design and hybrid model for device native applications

Nice to have

  • Experience in telecom environments focused on customer-facing B2B product delivery.
  • Architecting or integrating Salesforce, ERP, and enterprise backend systems.
  • Working with customer-facing tools and ecosystems (e.g., Angular, Spring Boot, NBA).
  • Experience with BSS/OSS systems, commerce engines, and 3rd-party vendor ecosystems.
  • Strong understanding of federal compliance requirements, security standards, and data protection in the context of enterprise customers.
  • Deep familiarity with cloud-native development (AWS, Azure), container orchestration (Docker, Kubernetes), and API-first integration strategies.
  • Experience with federal and large enterprise customer constructs, including onboarding, account lifecycle management, and secure identity.
  • Strong leadership presence and ability to communicate effectively across technical and executive partners.

What the JD emphasized

  • critically important
  • crucial
  • Required