Hesam Mohammadi Email & Phone Number

Tehran Province, Iran

Tehran County, Tehran Province, Iran

As a DevOps Engineer at Domil, I contribute to an innovative IT company that has made strides in Iran’s tech landscape. Domil’s impressive portfolio includes products like WaveCount, Donage, and RFID. Beyond product development, we collaborate with other businesses, employing gamification strategies to enhance sales. Additionally, I play a role by providing robust infrastructure and technical solutions to well-known startups such as Banimode and Jeanswest.In my daily routines, I leverage a diverse toolkit that includes Linux, Splunk, Zabbix, Docker, Python, Nginx, and so on to ensure seamless operations and continuous improvement.

Tehran County, Tehran Province, Iran

* Deployed and Managed a private Docker registry using Sonatype Nexus, ensuring secure and efficient image storage.* Designed and developed multiple microservices using Node.js, Elasticsearch, MySQL, and Redis. Containerized them with Docker and pushed images to Nexus.* Created and managed three Kubernetes clusters using Kubespray.* Configured Haproxy as an external load balancer for the Kubernetes API server components.* Utilized MetalLB for load balancing within the cluster.* Set up Nginx as a reverse proxy server to efficiently route client requests to the Kubernetes cluster.* Deployed Calico as the Container Network Interface (CNI) for seamless communication within the Kubernetes cluster.* Dynamic NFS Provisioning: Established an NFS server to dynamically provision NFS persistent volumes in Kubernetes.* Installed Kong using Helm as an Ingress controller for managing external access to services.* Deployed Prometheus and Grafana using Helm to monitor microservices and the cluster itself.* Wrote Service, Deployment, and Ingress manifests for seamless microservices deployment.

Tehran County, Tehran Province, Iran

* Designed and developed a project comprising four services for chatting, matching clients, playing online games, and a REST API service to write the game results into the database. I Deployed these services on a server using Docker.* Leveraged Redis for efficient query caching and real-time player status checks.* Implemented real-time communication between clients and servers using Express.js and SocketIO.* Developed APIs for an existing PHP/Laravel application, transforming it into a knowledge-contest-based platform for displaying ads.* Worked on an application for online psychological counseling using PHP Laravel and MySQL. Integrated real-time chat functionality using Express.js and MongoDB.