Cloud Infrastructure Case Studies
Real-world Kubernetes deployments and cloud migrations delivered by Arise Cloud Solutions
Lojas Americanas
Cloud-Agnostic Kubernetes Migration to Azure AKS
Enterprise-grade migration of legacy monolithic applications to a cloud-agnostic Kubernetes architecture on Microsoft Azure, ensuring portability and reducing vendor lock-in.
Services Delivered
- Azure Kubernetes Service (AKS) cluster design
- Helm chart development for all microservices
- Azure DevOps CI/CD pipeline implementation
- Azure Application Gateway (Ingress Controller)
- Azure Container Registry integration
- Azure Monitor + Application Insights observability
Technologies
Key Results
- 99.9% uptime achieved with multi-zone AKS deployment
- 40% reduction in infrastructure costs through rightsizing
- Zero vendor lock-in: portable architecture across clouds
- Automated deployment reducing release time by 70%
SAUI / Apporte
IoT-Enabled Kubernetes Migration with Cloudflare Tunnels
Complete infrastructure modernization migrating multiple applications (PWA, WordPress, N8N, Kestra, Chatwoot) to DigitalOcean Kubernetes with Cloudflare edge security and IoT integration.
Services Delivered
- DOKS (DigitalOcean Kubernetes) cluster setup
- Cloudflare Tunnel implementation (zero-trust access)
- Next.js PWA deployment with edge optimization
- WordPress migration to containerized K8s environment
- N8N workflow automation platform deployment
- Kestra data orchestration setup
- Chatwoot customer support integration
- IoT device management and telemetry ingestion
- DigitalOcean Spaces for object storage
- Complete observability stack (Grafana + Prometheus)
Technologies
Key Results
- Unified platform serving 7+ applications on single K8s cluster
- 60% cost reduction vs AWS equivalent architecture
- Zero public IPs: all traffic through Cloudflare Tunnels
- IoT telemetry processing at 10k+ messages/minute
- Sub-100ms latency for PWA via Cloudflare edge
- Full CI/CD automation with GitHub Actions
LeadOpenData
High-Scale API Platform on AWS EKS with WAF & RDS
Scalable microservices-based API for Brazilian CNPJ data built on Amazon EKS, leveraging RDS PostgreSQL, S3, CloudFront, and AWS WAF for secure, high-performance delivery.
Services Delivered
- Amazon EKS cluster design & node groups
- AWS WAF + CloudFront edge security
- RDS PostgreSQL high availability
- ALB ingress + certificate management
- GitHub Actions CI/CD with blue/green deployments
- Prometheus/Grafana observability on EKS
Technologies
Key Results
- Ability to handle traffic spikes with autoscaling
- Latency under 150ms P95 for API endpoints
- Enhanced security posture with WAF managed rules
- Automated releases across staging/production environments
ConvertStack
Document Conversion Microservice on Google Kubernetes Engine
Containerized document conversion pipeline running on GKE with Cloud Build, Artifact Registry, and Cloud Storage, delivering low-latency conversions across 11+ formats.
Services Delivered
- GKE Autopilot cluster provisioning
- Cloud Build pipelines & triggers
- Artifact Registry for container images
- Cloud Storage buckets for input/output
- OpenTelemetry distributed tracing
- k6 performance testing harness
Technologies
Key Results
- Consistent conversion SLAs with autoscaling
- Observability across services via traces & metrics
- Fast build/deploy cycles via Cloud Build
Arise Cloud Solutions
Edge Optimization & Security with Cloudflare Workers & Tunnels
Global edge caching, security headers, bot protection, and traffic tunneling for internal services using Cloudflare Workers, Pages, and Tunnels integrated with Next.js.
Services Delivered
- Cloudflare Workers for edge logic
- Cloudflare Pages for static assets
- Zero Trust access with Tunnels
- Rate limiting & security headers
- Image optimization and cache policies
Technologies
Key Results
- Global TTFB improvements and cache hit ratios
- Hardened security posture through Zero Trust
- Simplified ops with edge-managed routing
Enterprise Platform
Java Microservices Modernization on Red Hat OpenShift
Migration of legacy Java services to OpenShift using Operators, Routes, and GitOps workflows, enabling faster delivery and standardized platform operations.
Services Delivered
- OpenShift cluster configuration & Operators
- GitOps with ArgoCD
- Service Mesh with Istio
- CI/CD integration and release management
Technologies
Key Results
- Standardized deployments across environments
- Improved reliability and rollback strategies
- Developer productivity gains via platform tooling
Pluz Tecnologia
AWS to Azure AKS Migration of Mission-Critical Financial Platform
Led cross-cloud migration from AWS to Azure AKS, re-platforming 25+ services across Node.js, Java, Golang with Helm, KEDA, RabbitMQ and Dapr, in partnership with Microsoft architects.
Services Delivered
- AKS cluster architecture and sizing
- Helm charts for 25+ workloads
- Event-driven integration with RabbitMQ & Dapr
- Autoscaling policies with KEDA
- CI/CD pipelines and release governance
- Load testing with k6 and Locust
Technologies
Key Results
- Successful cross-cloud cutover with minimal downtime
- Standardized Helm-based deployments across teams
- Elastic scaling for peak financial workloads
- Improved reliability and observability
CSI / Banestes
COBOL-to-Java Modernization with Event-Driven Microservices on OpenShift
Partnered with Red Hat Labs to translate critical COBOL rules into Quarkus microservices, building Kafka-based CNAB pipelines and deploying on OpenShift with GitLab CI/CD.
Services Delivered
- Legacy rules mapping and service decomposition
- Kafka topics & CNAB ingestion flows
- Quarkus services implementation
- OpenShift Routes, Operators and deployments
- GitLab CI/CD pipelines
Technologies
Key Results
- Reduced batch processing times and operational risk
- Modern service mesh-ready architecture
- Improved maintainability vs legacy COBOL flows
Pluz Tecnologia
GCP-Sponsored VM Orchestration Platform on Kubernetes
Designed a microservice-based orchestration platform sponsored by Google Cloud to provision and manage VMs with browser-based access and facial recognition authentication.
Services Delivered
- GKE cluster and workload orchestration
- API Platform (Symfony) and Golang APIs
- Apache Guacamole integration for web access
- GraphQL gateway and identity flows
Technologies
Key Results
- Functional MVP delivered with secure browser-based VM access
- Unified orchestration APIs and simplified ops
Brookerhunter
Search Pipeline Optimization and Multi-tenant SaaS on DigitalOcean
Optimized Elasticsearch ingestion (30 min → 30 sec) and managed DigitalOcean infra with automated Nginx and Cloudflare, delivering SaaS features end-to-end.
Services Delivered
- Elasticsearch pipeline optimization
- Containerization and deployment on DO
- Cloudflare & Nginx automation for subdomains
Technologies
Key Results
- 60× faster ingestion
- Stable multi-tenant delivery
- Lower infra costs
SóCarrão.com
AWS Cost Optimization and Search Migration for Classifieds Platform
Migrated search from Sphinx to Elasticsearch, built Lambda + Firehose ingestion, and reduced AWS costs by 50% while refactoring legacy PHP systems.
Services Delivered
- Search migration
- Serverless ingestion pipelines
- Cost optimization and refactors
Technologies
Key Results
- 50% AWS cost reduction
- Improved search relevance and retention
Grupo RIC Paraná
RIC Mais Portal: High-Concurrency AWS & Docker Delivery
Launched media portal with infinite scroll supporting 25k+ concurrent users; first production exposure to AWS & Docker, tuning for high concurrency.
Services Delivered
- Scalable deployment
- Performance tuning
- Dockerized workloads on AWS
Technologies
Key Results
- 25k+ concurrent users sustained
- Modernized delivery stack
Chaves Na Mão
Search Modernization and Full-Stack Platform Evolution
Led a small engineering team to modernize search with Elasticsearch, introduce React/Next.js, and evolve infrastructure using Docker. Improved retention and scalability across the real estate and automotive listings platform.
Services Delivered
- Elasticsearch search engine migration and tuning
- Frontend performance improvements (infinite scroll, UX)
- Containerized backend services with Docker and Compose
- WordPress PWA integration and API orchestration
Technologies
Key Results
- 200%+ increase in user retention
- Up to 6× more page views per session
- Stabilized services with containerized delivery