Henry Ezedinma

Senior DevOps, Cloud & SRE Engineer

Independent Consultant

Contract engagements across multiple clients: architecting, automating, and securing cloud infrastructure.

HealthTech client

• Built a full observability stack (Prometheus, Grafana, Loki, Jaeger, OpenTelemetry) and migrated distributed tracing to OpenSearch with S3-backed storage, adding PHI-aware log and trace filtering.
• Moved CI/CD to reusable GitHub Actions workflows for ECS Fargate and S3/CloudFront, with Trivy scanning, a self-hosted runner, and threaded Slack release notifications.
• Implemented WAL-G PostgreSQL backup and recovery with a sub-15-minute recovery point objective and documented disaster-recovery runbooks.
• Rolled out PgBouncer transaction pooling with tuned HikariCP across Spring Boot and NestJS services, resolving connection-pool exhaustion traced to a synchronous logging interceptor.

FinTech client

• Centralized CI/CD on reusable GitHub Actions workflows with OIDC-based AWS authentication, and secured container delivery through Harbor and Cosign image signing.
• Built zero-downtime pipelines and containerized backend services (Java, Python, NestJS, Laravel) on PostgreSQL and PgBouncer with least-privilege database access.
• Deployed Uptime Kuma status dashboards across a VAS fintech platform, improving visibility into partner services and incident response.

Senior DevOps & Cloud Engineer (Contract)

Bankly Microfinance Bank

• Built Azure DevOps CI/CD pipelines for .NET applications, cutting deployment time by 60%.
• Ran highly available infrastructure across AWS, Azure, and DigitalOcean (EC2, EKS, Fargate, RDS, CloudFront, ALB, Route 53, DOKS) for banking services handling 100K+ daily transactions for 300K+ users.
• Deployed Rancher to manage 100+ microservices across multiple Kubernetes clusters, with Entra ID SSO and custom RBAC roles.
• Configured AWS Client VPN with Entra ID SSO for secure access to sensitive resources.
• Set up IPSec VPNs and NAT gateways for payment integrations with NIBSS, Interswitch, Unified Payments, Wema, and Providus.
• Introduced infrastructure monitoring and alerting on Site24x7, Uptime Kuma, and CloudWatch.

Senior Cloud Engineer

Access Bank

• Cut Azure spend 40% on infrastructure supporting 1M+ daily transactions through rightsizing, reserved instances, savings plans, budgets, and autoscaling.
• Automated Azure provisioning with Terraform, halving environment setup time and reducing configuration errors.
• Authored the bank's Cloud Services policy for security, compliance, and FinOps, supporting ISO 27001:2022 recertification.
• Rolled out Rancher for multi-cluster Kubernetes management across 15+ subsidiaries in Africa and Europe.

Lead DevOps & Cloud Engineer

MyXalary

• Operated an Azure production estate of 8 VMs, 1 AKS cluster, and 20+ applications at 99.9% availability.
• Owned Azure Pipelines and GitHub Actions CI/CD for Java, JavaScript, and TypeScript applications used by a 10+ engineer team, more than halving release cycle time.
• Migrated MySQL and MongoDB from VMs to Azure Database for MySQL and MongoDB Atlas, raising operational efficiency by 40%.
• Hardened cloud security with least privilege, disk encryption, JIT/JEA access, and P2S VPN, lifting Azure Secure Score by 60%.
• Implemented Terraform across environments and enforced deployment approvals, reducing production downtime.
• Established monitoring on Azure Monitor and Grafana Cloud, and disaster recovery on Azure Site Recovery.

Cloud Engineer (Contract)

Bento Africa

• Managed the production AWS environment: EC2, RDS, ECS, Fargate, and Route 53.
• Refactored CircleCI pipelines, cutting cycle time 30%.
• Reduced security vulnerabilities 70% with cloud security posture management using Aqua.

Software Engineer (DevOps)

Zuri

• Built Jenkins CI/CD pipelines for the MyCustomer and MicroAPI products, cutting deployment time 60%.
• Architected and deployed Python and Docker microservices for MicroAPI.
• Maintained 99.9% uptime across AWS EC2-hosted applications.
• Wrote disaster-recovery documentation, cutting mean time to recovery by 40%.