Turn legacy applications into a competitive advantage. Rehost, refactor, or rebuild on the platform that fits your workload, your budget, and your timeline, whether AWS, Azure, Google Cloud, private cloud, or on-prem.
Legacy applications create drag across the business
Every month a monolith stays as-is, it costs you in licensing you can't shed, in releases that take weeks instead of hours, in talent stuck maintaining instead of building, and in infrastructure you're forced to keep refreshing. Most modernization efforts stall because they're framed as one giant rewrite with all risk and no early wins.
RapidScale modernizes the way real portfolios move, creating a clear plan with phases, milestones, and a budget, not a multi-year leap of faith.
Legacy to cloud-native
We help you decide what to modernize and how, execute every motion from rehost to microservices, and operate the result as a modern DevOps practice.
Advise
Know what to move, and how
Our architects assess your applications against your business goals, your team's strengths, and your cost structure, then hand you a recommended path per application, sequenced into phases with budget and timeline attached.
- Application portfolio assessment and dependency mapping
- Per-app modernization path (rehost, replatform, refactor, rebuild, replace, retire)
- Cost and licensing analysis, including what you stop paying
- Phased roadmap with milestones, budget, and success criteria
Implement
The modernization motions that move the needle.
This is where the work happens. We execute the path each application needs without freezing feature development or betting on a single cutover.
- Rehost and replatform when speed matters most, with a clean foundation to modernize on later
- Refactor legacy codebases and runtimes, moving .NET Framework to modern .NET on Linux to shed licensing and unlock PaaS and serverless
- Break monoliths into independently deployable microservices using incremental patterns
- Containerize and run on Kubernetes (EKS, AKS, GKE) or serverless for portability and elastic scale
- Stand up CI/CD pipelines with automated testing, approval gates, and instant rollback so releases become routine
Manage
Run a modern DevOps operating model, not a fragile one.
Modernization isn't a finish line. We operate the DevOps practice that keeps modernized applications fast, reliable, and cost-effective to run.
- Operate, harden, and continuously improve CI/CD pipelines as your release cadence grows
- Infrastructure as code (Terraform, CloudFormation, Ansible, Packer) – every environment reproducible, every change reviewable
- Observability and SRE practices – measurable reliability targets and fewer surprises in production
- Cloud architecture, deployment, and go-live transition support
- A "do-with" model that transfers the DevOps practice to your team, so you can build on it without depending on us
Case Study
Arise replaced a rigid monolithic automation platform with a scalable microservices architecture on AWS in two months, with their own team trained to run it independently afterward.
Start with a Modernization Assessment
Companies that modernize their apps are 3x more likely to see clear ROI on AI. The ones who succeed start by knowing exactly where to begin.
App modernization resources
Explore modernization patterns, platform options, and customer outcomes across Google Cloud, Kubernetes, serverless, DevOps, and cloud-native application delivery.
Google Cloud app modernization
Download the solution brief to see how Google Cloud app modernization can help you refactor legacy applications, improve portability, and build a stronger path to cloud-native delivery.
Google Cloud migration to GKE
Download the solution brief to learn how migrating to GKE can improve application portability, orchestration, and scalability for modern containerized workloads.
Google Serverless
Download the solution brief to see how serverless application design can reduce operational overhead, support elastic scale, and accelerate delivery for event-driven workloads.