Cloud Enablement
Cloud Architecture Services
Design cloud systems that stay secure, reliable, fast and affordable as they grow, with every architecture decision documented, justified and reviewed against proven frameworks.
Architecture Decisions Shape Every Cost and Risk That Follows
The cloud offers hundreds of services and countless ways to combine them. Choices made early, such as whether to use containers or serverless functions, a relational or document database, synchronous APIs or event streams, one region or several, determine how a system performs, how much it costs and how easily it can change. Getting them wrong rarely fails immediately; it shows up months later as outages, slow releases and bills that rise faster than usage.
Hanoi Technology’s cloud architects design new systems and modernize existing ones using the well-architected frameworks published by AWS, Microsoft Azure and Google Cloud. These frameworks cover operational excellence, security, reliability, performance efficiency, cost optimization and sustainability. We balance those pillars against your business priorities, record trade-offs in architecture decision records and validate designs with proofs of concept before teams commit.
The Challenge
Architecture Problems We Help Prevent and Fix
Symptoms that usually trace back to design decisions rather than individual bugs.
Lifted Designs That Ignore the Cloud
Applications moved without redesign keep their monolithic structure, fixed capacity and manual operations. They miss the elasticity and managed services that justify the move.
Single Points of Failure
Systems deployed in one availability zone, dependent on one database instance or one external service, fail completely when a single component does.
Performance That Degrades Under Load
Chatty services, missing caches and synchronous chains of calls work in testing but slow down dramatically when real traffic arrives.
Architecture That Is Expensive to Run
Over-provisioned resources, inefficient data transfer patterns and the wrong pricing models make cloud costs significantly higher than necessary.
Business Value
Benefits of Well-Architected Cloud Systems
Reliability Users Can Count On
Redundancy across zones, graceful degradation and automated recovery keep services available when components fail.
Security Built into the Design
Least-privilege identities, network segmentation and encryption are part of the blueprint rather than late additions.
Performance at Any Scale
Auto-scaling, caching and asynchronous patterns keep response times consistent from launch day to peak season.
Lower Total Cost of Ownership
Right-sized, managed and event-driven components reduce both infrastructure spend and operational effort.
Faster, Safer Change
Loosely coupled components, infrastructure as code and automated pipelines let teams release frequently with low risk.
Lower Environmental Footprint
Efficient resource use, managed services and smart region choices reduce the energy consumed by your workloads.
Every Architecture Is a Set of Trade-Offs
There is no universally best design. Higher availability costs more; lower latency may limit portability; serverless reduces operations but changes how you test and debug. We make these trade-offs explicit, quantify them where possible and let your priorities decide.
Our Services
Hanoi Technology’s Cloud Architecture Services
Design, review and modernization services for systems of any size.
Solution Architecture for New Systems
We design cloud-native architectures for new products and platforms, from service decomposition to data stores, integration and deployment.
- Solution architecture document
- Architecture diagrams
- Decision records
Well-Architected Reviews
We assess existing workloads against the six pillars of the provider’s well-architected framework and deliver a prioritized remediation plan.
- Pillar-by-pillar findings
- Risk ratings
- Improvement roadmap
Application Modernization Design
We plan the evolution of monoliths toward containers, serverless and managed services using incremental patterns such as the strangler fig.
- Target architecture
- Modernization sequence
- Proof of concept
Data and Integration Architecture
We design data platforms, event-driven integration and API layers that connect cloud and on-premises systems reliably.
- Data flow design
- Event and API architecture
- Integration patterns
High Availability and Scalability Design
We design multi-zone and multi-region topologies, scaling policies and caching strategies to meet availability and performance targets.
- Availability design
- Load test plan
- Capacity model
Architecture Governance
We establish reference architectures, approved patterns and review processes so all teams design consistently.
- Reference architecture library
- Architecture review board process
- Design standards
Our Approach
How We Design Cloud Architectures
A structured design process that connects business requirements to technical decisions.
- 01
Capture Requirements
We gather functional needs and quality attributes such as availability, latency, throughput, security, compliance, budget and expected growth.
Deliverables: Requirements and quality attributes · Constraints register
- 02
Explore Options
We evaluate alternative designs and services, considering cost, complexity, team skills and lock-in, and document the reasoning behind each choice.
Deliverables: Option analysis · Architecture decision records
- 03
Validate with Prototypes
We build targeted proofs of concept and load tests for the riskiest assumptions before committing the full team.
Deliverables: Proof of concept results · Performance benchmarks
- 04
Detail the Design
We produce the target architecture, infrastructure as code foundations, security design and operational model ready for implementation.
Deliverables: Detailed architecture · Infrastructure as code templates
- 05
Review and Evolve
We review the architecture against well-architected pillars during and after implementation and update it as requirements change.
Deliverables: Well-architected review · Architecture roadmap
Use Cases
Cloud Architecture Scenarios
Examples of architecture work we deliver.
Scalable Consumer Platform
A consumer app expecting rapid growth needs a backend that scales automatically. We design containerized services, managed databases and event queues that absorb campaign spikes.
Event-Driven Order Processing
An e-commerce business replaces nightly batch jobs with event streams. Orders, inventory and notifications update in near real time.
Multi-Region Availability for Fintech
A payments service must stay available even if a whole cloud region fails. We design active-passive multi-region failover with replicated data.
Serverless Data Ingestion
A company receiving files and API data from many partners needs low operational overhead. Serverless functions and managed queues process data on demand at low cost.
Monolith to Microservices Roadmap
A legacy platform slows every release. We define service boundaries and an incremental extraction plan that keeps the business running.
Well-Architected Review Before Launch
A product team approaching launch wants independent assurance. Our review identifies reliability and security risks that are fixed before go-live.
Technology
Cloud Services and Tools We Design With
Proven building blocks from each major cloud, plus portable open-source components.
- AWS Well-Architected Tool
- Azure Well-Architected Review
- Google Cloud Architecture Framework
- Amazon ECS
- AWS Lambda
- Azure Functions
- Google Cloud Run
- Kubernetes
- Amazon Aurora
- Azure Cosmos DB
- Google Cloud Spanner
- Apache Kafka
- Amazon EventBridge
- Redis
- Terraform
- Structurizr
Platforms
Deliver Cloud Architecture on Your Preferred Platform
Why Hanoi Technology
Why Organizations Choose Hanoi Technology
Senior, Cross-Functional Teams
Strategy, data, AI, cloud and engineering specialists work as one team, so nothing is lost between hand-offs.
Proven Delivery
More than 50 projects delivered for clients in North America, Europe and Asia-Pacific.
Radical Transparency
A written update every week and a demo of working software every sprint, so you always know where things stand.
Cost-Effective Global Delivery
Experienced engineers from our Hanoi delivery hub, with working-hour overlap for every major time zone.
Success Story · Fintech
All-in-one digital banking app for a traditional bank
A traditional financial institution wanted to compete with neobanks for mobile-first customers. We replaced a set of separate banking, investing and payment apps with one product that people use every day.
Read the Full StoryMore Success Stories
Food delivery
+58%total ordersAI dispatch and live tracking for a food delivery startup
A fast-growing urban food delivery startup was losing customers to slow deliveries at peak times. We built AI order dispatching and connected restaurants, drivers and customers in real time.
Real estate
+38%lead conversion rateProperty discovery and lead conversion for a US real estate marketplace
A US marketplace connecting buyers, sellers and agents had plenty of traffic but few enquiries. We built personalized property discovery, AI valuation and a one-tap route to contact an agent.
Resources
Featured Resources
Industry trends and practical guidance to help you get more value from data, AI and technology.
FSMA 204 After the Delay: Using Shipment Monitoring to Get Traceability-Ready by 2028
The FDA Food Traceability Rule deadline moved to July 2028, but the data work is large. Here is how to use shipment monitoring and event data to get ready without wasting the extra time.
CSRD After the Omnibus: What the Revised ESRS Mean for Reporting From 2027
The Omnibus and the simplified ESRS reshaped EU sustainability reporting in 2026. Here is who is in scope, what changed in the standards and how to adapt your data and process.
OpenTelemetry in 2026: Building a Vendor-Neutral Observability Strategy
OpenTelemetry has become the default way to collect telemetry. Here is what changed in 2026 and a practical roadmap for a vendor-neutral observability stack.
Get an Architecture That Grows with Your Business
Book a free consultation to discuss a new system or a well-architected review of an existing one. We will highlight the key decisions and risks to address first.
Cloud Architecture FAQ
What is a well-architected review?
A well-architected review is a structured assessment of a workload against the provider’s well-architected framework. For AWS and Azure these pillars include operational excellence, security, reliability, performance efficiency and cost optimization, and AWS adds sustainability; Google Cloud’s framework covers similar ground. We interview the team, examine the environment and code, and deliver findings rated by risk with a prioritized improvement plan. Reviews are valuable before launch, after major changes or periodically.
Should we use containers or serverless?
Both are good options with different strengths. Serverless functions and managed services minimize operations and scale to zero, which suits event-driven and variable workloads. Containers offer more control, portability and predictable performance for long-running services and complex dependencies. Many modern systems combine both. We recommend based on traffic patterns, latency needs, team skills, cost profile and portability requirements rather than preference.
How do you avoid vendor lock-in?
Some lock-in is a deliberate trade for productivity: managed services save significant engineering and operations effort. We help you choose consciously, using open standards such as Kubernetes, PostgreSQL, OpenTelemetry and Terraform where portability matters, and isolating provider-specific services behind clear interfaces. Architecture decision records document where you accepted dependency and why, along with an outline of what an exit would require.
How much does cloud architecture design cost?
A well-architected review of a single workload is a short, fixed-scope engagement, usually one to three weeks. Designing a new platform or a modernization roadmap typically takes four to eight weeks, depending on the number of systems, integrations and compliance requirements. We provide a fixed proposal after an initial discussion. Good architecture usually pays for itself by preventing costly rework and reducing ongoing infrastructure spend.
Can you implement the architecture you design?
Yes. Our architects work with engineering teams who build infrastructure as code, applications and pipelines, which keeps designs practical and ensures decisions survive implementation. You can engage us for design only, design and build, or a dedicated team that delivers and then operates the system. When your own team implements, we provide architectural oversight and reviews throughout.
How do you design for security and compliance?
We start from your regulatory and data protection requirements and design controls into each layer: identity and least-privilege access, network segmentation and private connectivity, encryption in transit and at rest, secrets management, logging and monitoring. Controls are mapped to frameworks such as ISO/IEC 27001, SOC 2, PCI DSS or GDPR as relevant, and implemented as code so they are consistent and auditable.