Case studies

Cloud architectures shipped to production.

Real projects, concrete architectures, business constraints reconciled with DevOps best practices.

Cauri Money · Fintech

AWS High Availability architecture

Cauri Money runs a transactional platform where downtime is not an option. The legacy platform was deployed manually: every release was a source of errors and stress, and the VMs were heavily oversized as a safety margin — needlessly inflating the cloud bill.

We designed and deployed a multi-AZ AWS architecture with Load Balancers, auto-scaled EC2 nodegroups, S3 and CodeDeploy, together with a full CI/CD pipeline (build, tests, automated delivery to each environment). Auto-scaling and right-sizing brought consumption back in line with real usage, significantly reducing infrastructure costs; the pipeline removed the stress and errors of manual production releases.

Azure DevOps anchored the whole team workflow: repositories, access and rights management, GitFlow (branches, pull requests, branch protections), mandatory code reviews and CI/CD pipelines. A clear, shared frame to ship with confidence.

Composants clés

  • Multi-AZ Application Load Balancer
  • EC2 nodegroups with Auto Scaling and right-sizing
  • S3 for artifacts (versioning + lifecycle)
  • Azure DevOps: repos, access rights, GitFlow, pull requests, code reviews
  • Azure DevOps CI/CD pipeline: build, tests, automated delivery
  • AWS CodeDeploy for blue/green deployments
  • Private VPC, strict security groups
  • CloudWatch monitoring + alerting

Tech stack

AWS ELBAuto Scaling GroupEC2S3TerraformAzure DevOpsCI/CDCodeDeployCloudWatchIAMVPC

Measured benefits

99.95%
Target SLA
Multi-AZ
High availability
Blue/Green
Safe deploys
Cost ↓
Right-sizing & auto-scaling
Cauri Money · Fintech

Pay-per-use serverless architecture

For workloads with high traffic variability, we designed a 100% serverless architecture. CloudFront at the edge, API Gateway for routing, Lambda for compute.

Composants clés

  • CloudFront — CDN + WAF + edge logic
  • API Gateway — REST + JWT auth
  • Lambda — stateless Node.js functions
  • S3 — static assets + versioned buckets
  • DynamoDB — serverless NoSQL
  • GitOps CI/CD pipeline with Terraform

Tech stack

CloudFrontAPI GatewayAWS LambdaS3DynamoDBSAM / Terraform

Measured benefits

Pay-as-go
Cost model
Auto-scale
Out of the box
-60%
Infra cost
0 ops
Zero servers
Cooperl · Food industry

Building a modern data platformIn progress

In-flight engagement: design and industrialization of a unified data platform.

The platform is built on a proven open-source stack: Airflow, DBT, and a dual Postgres / ClickHouse foundation.

Composants clés

  • Airflow — ELT orchestration
  • DBT — modeling and tests
  • Postgres — transactional layer
  • ClickHouse — high-performance analytics warehouse
  • Apache Superset — self-service BI
  • CI/CD industrialization and IaC

Tech stack

AirflowDBTPostgresClickHouseTrinoCube.jsApache SupersetEKSCI/CD

Measured benefits

ELT
Orchestrated pipelines
Self-BI
Democratization
OLAP
Sub-second queries
Tests
Quality by design
Other typical engagements

What we can do for you.

On-prem K8s cluster

kubeadm or rke2 install, networking, storage, backup and DR.

🚀

Industrial CI/CD

Multi-stage Jenkins or GitLab CI pipelines, GitOps with ArgoCD.

🤖

Claude in daily use

Claude adoption for product, support and ops teams.

📊

Observability

Prometheus + Grafana + Loki stack, business dashboards.

🔐

Cloud security

EKS hardening, network policies, secrets management.

📦

Cloud migration

Lift & shift, AWS replatform, progressive refactor.

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