• Engineered Crossplane resources for Kafka and Kubernetes IAM role bindings.
• Built a GoLang application demonstrating Kafka and Crossplane resources usage.
• Standardized Helm charts for consistent deployments.
• Developed cost allocation dashboards.
• Configured multiple ArgoCD deployments.
• Performed zero downtime migration of topics between two Kafka clusters.
• Transitioned applications to a new domain while maintaining accessibility via the old one.
• Performed Route53 zone transfers with DNSSEC enabled.
• Replaced GitLab CI pipelines with GitHub Actions.
• Authored several Architectural Decision Records (ADRs).
• Performed On-call responsibilities

Enhance CI/CD processes and migrate workloads to Google Kubernetes Engine (GKE) for a global wholesale platform.

• Advised on CI/CD best practices and implemented GitOps workflows using ArgoCD, Helm, and Kustomize.
• Configured GCP/GKE application environments utilising Shared VPC.
• Built secure and automated secret management.
• Automated Jenkins for repository discovery.
• Migrated repositories from GitLab to GitHub.
• Managed the transition of workloads to GKE.
• Configured DataDog logs collection and alerts.

• Provided technical advice on cloud-native development practices.
• Mentored the team, enhancing their skills and promoting effective collaboration.
• Developed effective strategies and integrated best practices to ensure high-quality work outputs.
• Developed several NodeJS microservices utilizing NATS.
• Implemented Stripe for payment processing with subscription management.
• Introduced ArgoCD to streamline continuous delivery processes.

• Supported the migration of SAP Hybris to the AWS cloud.
• Developed a proof of concept (PoC) for a microservice architecture alongside the existing monolith.
• Engineered GraphQL APIs using Spring Boot to enhance data retrieval processes.
• Configured and deployed Akamai CDN to improve global content delivery speeds.

• Implemented cost optimization strategies, including auto-scaling Kubernetes clusters and employing Hashicorp's Reaper function to remove unused resources.
• Developed Grafana dashboards to monitor resource utilization.
• Automated Jenkins configuration using Configuration-as-Code and Job DSL.
• Set up and maintained monitoring systems based on Grafana and Prometheus.
• Configured cloud infrastructure components using an infrastructure-as-code approach.

In-app fuel payments:

A hub-like integration platform collecting and serving station-related data

Provide real-time car wash vacancy data

• Developed backend in Node.js collecting real-time data from stations.
• Handled basic DevOps tasks to ensure smooth deployment and operation. 

• Performed routine maintenance and troubleshooting.
• Developed and implemented software enhancements to improve platform functionality and user experience.
• Maintained direct communication with clients (internal stakeholders) to address their  needs promptly and ensure their requirements were met effectively.