Sabbir Ahmed Email & Phone Number

Dhaka, Bangladesh

• Developed and released a Go-based CLI tool to automate the migration of 450 Azure MySQL single servers to flexible servers, reducing engineering effort by 100+ hours and significantly accelerating project timelines.• Engineered and deployed a high-throughput log parser to efficiently backfill customer data, optimizing recovery times and enhancing overall customer satisfaction through faster issue resolution.• Enhanced the reliability of an internal load balancer, improving error… Show more • Developed and released a Go-based CLI tool to automate the migration of 450 Azure MySQL single servers to flexible servers, reducing engineering effort by 100+ hours and significantly accelerating project timelines.• Engineered and deployed a high-throughput log parser to efficiently backfill customer data, optimizing recovery times and enhancing overall customer satisfaction through faster issue resolution.• Enhanced the reliability of an internal load balancer, improving error handling mechanisms and reducing system crashes, leading to a more stable and resilient infrastructure.• Led efforts to refactor and document legacy APIs and tools, ensuring long-term maintainability and seamless future enhancements while improving developer experience and reducing technical debt. Show less

Dhaka, Bangladesh

• Managed scalable infrastructure for 60 million users, prioritizing security and reliability.• Reduced server costs significantly through Karpenter integration in EKS clusters and spot pool utilization.• Revamped the existing CICD pipeline with Docker and Makefile, achieving zero dependency on the host OS.• Introduced zero downtime canary deployment with Istio service mesh for Kubernetes.• Implemented Karpenter for automated cluster scaling, resulting in lowered AWS costs.•… Show more • Managed scalable infrastructure for 60 million users, prioritizing security and reliability.• Reduced server costs significantly through Karpenter integration in EKS clusters and spot pool utilization.• Revamped the existing CICD pipeline with Docker and Makefile, achieving zero dependency on the host OS.• Introduced zero downtime canary deployment with Istio service mesh for Kubernetes.• Implemented Karpenter for automated cluster scaling, resulting in lowered AWS costs.• Developed kAction, a Kubernetes SDK-powered tool, optimizing incident response times.• Automated DynamoDB scaling with Python, achieving cost reductions aligned with business needs.• Implemented full-stack microservices monitoring with Datadog and OpenTelemetry. Show less

Mirpur, Dhaka, Bangladesh

• Highly available, linearly scalable microservices with golang implemented with KrakenD API Gateway and Cassandra that produced API response time under 30ms.• Implemented immutable architecture in AWS ensuring 6 pillars well-architected framework that resulted in better compliance automation.• Designed and developed microservices that can quickly scale horizontally with above 80% test coverage.• Automated infrastructure configuration with Terraform increased research time on… Show more • Highly available, linearly scalable microservices with golang implemented with KrakenD API Gateway and Cassandra that produced API response time under 30ms.• Implemented immutable architecture in AWS ensuring 6 pillars well-architected framework that resulted in better compliance automation.• Designed and developed microservices that can quickly scale horizontally with above 80% test coverage.• Automated infrastructure configuration with Terraform increased research time on different solutions for future projects and reduced cost and human hours.• Automated server provisioning, Kernel tuning, and compliance checks with Ansible, and python resulted in quicker PCI-DSS checks and fixes.• Implemented end-to-end CICD with Jenkins and Jenkinsfile (pipeline) in 3 projects with a bunch of microservices.• Deployed private docker registry that reduced cost and efficiency in continuous deployment.• Wrote golang-based CLI tool that helped automate application versioning and reduce time in producing release notes.• Created in-house container monitoring tool exposing REST API, written in golang. Show less

Dhaka, Bangladesh

- Designed and developed 12-Factor Microservices- Python Packages to infer ML Models- Test Driven Development

Bangladesh

Department of Innovation and Product Development