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Staff Software Engineer, Billing & Financial Systems

CommandLink

Salary not specified
Sep 9, 2025
KS, US • TX, US • FL, US • NV, US • SC, US • GA, US • AZ, US • Concord, NH, USA • MS, US • TN, US • VA, US • AR, US • CO, US • UT, US • KY, US • MD, US • WI, US • NC, US • OK, US • MO, US • OH, US • IN, US • LA, US • MI, US • AL, US
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Command|Link is looking to modernize their billing, license management, and financial systems by transforming a legacy, monolithic PHP environment into a resilient, service-oriented architecture that powers accurate billing, license enforcement, accounting, and historical financial reporting—at scale, without disrupting the business.

Requirements

  • Deep Engineering Experience: 10+ years building and scaling backend systems with strong fundamentals in transactional integrity, distributed systems, and service architectures.
  • Proven Modernization Track Record: Hands-on experience decomposing legacy systems (especially PHP-based) into modern service platforms.
  • Integration Mastery: Strong history integrating with ERP, accounting, and payment systems (NetSuite expertise highly valued).
  • Architect at Scale: Skilled at building high-volume, high-accuracy financial systems with global reach.
  • Security & Compliance: Solid knowledge of PCI, SOC2, GDPR, authentication protocols (OAuth 2.0, HMAC, mTLS), and data handling best practices.
  • Cloud-Native Mindset: Experience architecting and deploying in Azure (preferred), AWS, or GCP.
  • Leadership Without Bureaucracy: Able to guide teams, influence executives, and align cross-functional priorities without slowing execution.

Responsibilities

  • Architect the Future State: Design a modular, service-driven financial platform—billing, license management, and accounting—that can evolve with the business.
  • Lead Legacy-to-Modern Migration: Define and execute pragmatic migration strategies that move us from a fragile monolith to a modern stack—without breaking existing operations.
  • Build Scalable Billing Services: Own the architecture for invoicing, payments, reconciliations, and revenue recognition that must be precise, reliable, and auditable.
  • Integrate with Global Financial Systems: Architect integrations with ERP, payment gateways, and accounting platforms (NetSuite, QuickBooks, Stripe, Zuora, Chargebee, etc.).
  • Guarantee Data Integrity: Engineer for consistency, reconciliation, and historical accuracy across complex transactional systems.
  • Set Standards: Drive observability, performance, and security across all financial services.
  • Cross-Functional Leadership: Work directly with Finance, Product, and Operations to ensure technology aligns with compliance, business velocity, and customer impact.

Other

  • 10+ years of experience
  • Ability to work remotely from one of the specified states
  • Bachelor's degree or higher (not explicitly mentioned but implied)
  • Travel may be required (not explicitly mentioned but possible)
  • Must be authorized to work in the United States