Ahmed R.

• Worked on migrating away from the AWS-centric stack (DynamoDB, AppSync, Lambda) to a cloud-agnostic Knative architecture on Kubernetes clusters, reducing cloud bills by 30%.

• Created and administrated 3 Kubernetes clusters, as well as internally configured RabbitMQ brokers.

• Rewrote back-end services in Python and multistage docker builds, which resulted in sub-100ms warm-startup times.

• Implemented multi-stage deployment processes and automated CI/CD pipelines with GitHub Actions.

• Enhanced product deployment and feature rollouts through blue/green strategies, enabling targeted beta testing and controlled releases.

• Improved monitoring and alerting using Grafana and Prometheus, significantly improving uptime and incident management.

• Integrated Keycloak for secure access management in internal databases, APIs, and front-end applications.

• Contributed to the development of two new microservices.

• Troubleshot and resolved urgent production bugs, delivering patches in a timely manner.

• Assisted in the migration of a core service to Node.js version 20 LTS, resulting in a 5% increase in the average quality score.

• Implemented new features in 11 microservices, according to product owner specifications and standard guidelines.

• Participated in the migration to Azure AD IAM, and it's integration in the internal ecosystem.

• Developed and maintained 3 Node.js APIs in TypeScript, resulting in a seamless integration of Shopify stores with external services, including logistics providers, CRMs, printing platforms, and custom B2B apps.

• Supported the adoption of serverless architecture in 6 services, resulting in a per-client cost reduction and enhanced back-end monitoring using AWS Lambda and CloudWatch.

• Collaborated on optimizing CI/CD pipelines for more than five projects, numerous code quality and PR reviews.

• Built a custom Shopify plugin that enabled the integration of the Solana wallet with Shopify's custom checkout API.