--- title: "Cloud Architecture" description: "End-to-end design, migration, and operation of AWS, Azure, and GCP environments." url: https://www.expandware.com/solutions/cloud-architecture/ section: "Solutions" topics: ["Infrastructure as Code with Terraform, CloudFormation, and Pulumi.", "Multi-region, multi-AZ architecture for 99.99% availability targets.", "Zero-downtime migrations from legacy or on-premises environments."] publisher: "Expandware Private Limited" --- # Cloud Architecture End-to-end design, migration, and operation of AWS, Azure, and GCP environments. Cloud architecture built for scale, resilience, and cost control. Cloud bills grow quietly and architectures age loudly. We design and migrate cloud environments that hold up under production load, meet availability targets, and stay economically sane, whether that means one platform done properly or a deliberate multi-cloud footprint. What the architecture must make true. A cloud estate is a business system. Its design should make failure modes, operating cost, and recovery decisions visible before they become incidents. Resilience with a recovery story. Availability zones, regions, backups, and failover paths are designed around the recovery objectives your business can actually defend. Repeatable change. Infrastructure is versioned, reviewed, and reproducible so delivery does not depend on a console session or a single operator's memory. Cost that is explainable. FinOps controls connect spend to workload, ownership, and capacity decisions instead of treating the monthly bill as a surprise. What we deliver: - Infrastructure as Code with Terraform, CloudFormation, and Pulumi. - Multi-region, multi-AZ architecture for 99.99% availability targets. - Zero-downtime migrations from legacy or on-premises environments. - Kubernetes, container orchestration, and serverless architecture. - Cloud cost optimization and FinOps governance. How an engagement runs: Assess, Current estate, cost, and failure modes. Design, Target architecture and migration sequence. Migrate, Staged cutover behind validation gates. The result: A cloud estate you can defend, Availability targets met, spend attributable, code you hold. Every stage produces a written artifact you keep. How engagements run. It starts with a paid assessment: Anything carrying real technical risk begins with a fixed-fee technical assessment, one to three days, producing a written findings document and a scoped fixed price for the build. Fixed price for defined scope: Once the scope is known from your systems rather than from a conversation, the build is priced as a fixed figure, with the assumptions it depends on written down alongside it. Monthly retainer for operations: Ongoing operational ownership runs on a monthly retainer against an agreed service level, so the cost of running a system is a number you can plan against. No hourly meters running against unknowns. Common questions: Q: Can you modernize an existing cloud environment rather than start over? A: Yes. We begin by mapping the current estate, its dependencies, and its operational risks, then sequence improvements so critical workloads are not destabilized by the cleanup. Q: Do you work across AWS, Azure, and Google Cloud? A: Yes. We recommend a platform based on the workload, team capability, residency needs, and commercial constraints, not on a preferred vendor badge. Q: How do you approach cloud cost when it is already out of control? A: We start by attributing spend to workloads and owners, because a bill nobody owns is a bill nobody reduces. Then we separate savings that are a configuration change from savings that need architectural work, and sequence them so the fast ones fund the slower ones. Q: Can you migrate without a maintenance window? A: Often, and the answer depends on your data layer rather than your application. We design the cutover around what your stateful services can tolerate, stage it behind validation gates, and agree explicit rollback criteria before a date is committed. Q: Do you hand over infrastructure we can run ourselves? A: Yes. Infrastructure is delivered as code in your repository, with runbooks and a knowledge transfer session. If you later want us to operate it, that is a separate managed services agreement, not a dependency designed into the build. Q: What if our team disagrees with the architecture you propose? A: The findings document states trade offs rather than resolving them quietly, so the disagreement happens over evidence. We have changed recommendations on that basis, and we have also recorded a client decision to go a different way, which is a legitimate outcome. --- Canonical page: https://www.expandware.com/solutions/cloud-architecture/ Site index for machines: https://www.expandware.com/llms.txt Full site text: https://www.expandware.com/llms-full.txt Expandware Private Limited. Inquiries: solutions@expandware.com, +92 (333) 32 11011.