Improved Development Velocity by 75% with App Modernization for 900 Apps and 4,100 APIs

App Modernization


Our customer had a complex requirement to move a broad set of legacy applications to a new web-based platform using CI/CD methodologies in order to support faster changes, better availability, and scalability.

Key Challenges:

  • Large-scale legacy applications were being used globally to provide critical support for ~25M users.
  • Current legacy systems were having problems with scalability and had long turn-around times for new application deployments.
  • Maintenance windows were resulting in service interruption.


  • Build a decentralized scalable design to deliver 99.95% application availability.
  • Continuous Deployment by eliminating long maintenance windows that resulted in service interruption.
  • Meet business transformation objectives like time-to-market.


We worked alongside our client to gain a strong understanding of their applications. Through our partnership we:

  • Deployed micro services covering 900 apps, and 4,100 APIs.
  • Moved to integrated teams using DevOps and Agile workflows.
  • Transitioned independent tools to integrated tools. For example, Rally was integrated with QA tools.
  • Hosted multiple versions of software for different consumer types, managed by Cloud Foundry routing.
  • Used Jenkins for continuous delivery of independent builds and deployments.
  • Set up application availability monitoring tools.


  • Delivered a 75% increase in time-to-market velocity.
  • Idea-to-feature timeframes came down from weeks to 3 days.
  • Application scaling became nearly instantaneous and automated. What took months now takes minutes.
  • Maintenance costs dropped by over 50% and application availability increased to 99.95%.

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