Abdullah Khawer Email & Phone Number

Boston, Massachusetts, Us

Note: I joined as a DevOps/Software Engineer and got promoted to Senior DevOps/Software Engineer in July 2023.Mendix, a Siemens business, is the global leader in enterprise low-code and is the fastest and easiest low-code platform used by 4000+ businesses around the world to develop mobile & web apps at scale.Key Highlights:- Maintained and enhanced AWS and Kubernetes infrastructure and CI/CD setup on Jenkins and GitLab.- Reduced infrastructure cost by $13K.- Regularly deployed and upgraded AWS EKS Kubernetes, workloads running on it, GitLab and its runners and other services.- Enhanced security with authentication, encryption, TLS/SSL, IAM roles using OIDC with least privilege, and AWS SSM Session Manager.- Enabled secrets detection on GitLab repositories to prevents secrets in the code.- Documented various topics to enhance knowledge base.- Migrated persistent AWS EBS volumes from gp2 to gp3.- Enhanced AWS S3 buckets access using bucket policies with conditions like source IPs and principals.- Enhanced observability in different areas.- Successfully released updates.- Resolved various bugs found in infrastructure, pipeline, and automation bugs.- Automated various DevOps tasks.Tools and Technologies: Python, Boto3, Bash/Shell, Go/Golang, Docker, Terraform, Kubernetes, Helm, GitLab with GitLab Runners, Jenkins, Ansible, Packer, Prometheus, Grafana, Elasticsearch, Kibana, Filebeat, Functionbeat, Alert Manager, Blackbox, Snyk, Nexus, Nginx Ingress Controller, Lacework, Cert Manager, Cluster Autoscaler, InfluxDB, Renovate, AWS (EC2, EBS, EKS, SSM Parameter Store, SSM Session Manager, VPC, Load Balancer, Auto Scaling, Lambda, S3, CloudWatch, EventBridge, SNS, KMS, IAM, CloudTrail, CloudFront, Route 53, Certificate Manager), Linux, macOS, Windows, JIRA, Confluence, Zoom, Microsoft 365, OKTA, Slack, AzureAD.

Dubai, Dubai, Ae

I worked for Nanos Exchange which is a global platform for cryptocurrency trading by purchasing, selling, and exchanging digital currency.Responsibilities:- Develop, maintain and improve infrastructure on AWS.- Reduce infrastructure costs.- Develop automated DevOps solutions, Infrastructure as Code (IaC) and CI/CD pipelines for Docker images.- Deploy microservices on ECS.- Troubleshoot and fix issues in infrastructure, pipelines and automated solutions.- Perform deployments in non-production and production environments.- Improve logging and monitoring solutions.- Develop self-healing, highly available and persistent solutions on AWS using ECS, EC2 and EBS for any type of data store like MongoDB, etcd, Redis, etc.Tools and Technologies: Go/Golang, Bash/Shell, Docker, Terraform, BitBucket, Prometheus, Grafana, Jaeger, Elasticsearch/OpenSearch, Kibana, SonarQube, Fluentd, Dynatrace, AWS, EC2, EFS, RDS, Systems Manager Parameter Store, VPC, Load Balancer, Auto Scaling, Lambda, S3, SNS, CloudWatch, ECR, ECS, MongoDB, etcd, Redis, OpsGenie, KMS, IAM, CloudTrail, CloudFront, Route 53, Certificate Manager, ElastiCache, Boto3, Linux, macOS, JIRA, Confluence, Google Workspace, Slack.

London, England, Gb

Callsign is a global digital trust platform through proprietary technology that uniquely mimics the way humans identify each other in the real world. Identification of genuine users delivers privacy, safety and minimal friction whilst ensuring that bad actors are blocked.Responsibilities:- Maintain and improve infrastructure on AWS.- Develop infrastructure as Code (IaC).- Develop automated DevOps solutions.- Troubleshoot and fix issues in infrastructure, pipelines, Kubernetes clusters and automated solutions.- Provide on-call support 24/7 for multiple production environments.- Perform deployments in various non-production and production environments.- Reduce infrastructure costs.Tools and Technologies: Java, Bash/Shell, YAML, Docker, Terraform, Ansible, GitLab, Prometheus, Grafana, Elasticsearch, AWS, EC2, RDS, VPC, Load Balancer, Auto Scaling, Lambda, S3, SNS, CloudWatch, ECR, EKS, Kubernetes, KMS, IAM, CloudTrail, CloudFront, Route 53, Certificate Manager, Helm, Nginx, Boto3, Linux, macOS, JIRA, Confluence, Office365, MS Teams.

Lahore, Punjab, Pk

I worked with FourKites which is a global supply chain platform, delivering real-time visibility and execution for Fortune 500 companies and third-party logistics firms across 70 countries. FourKites enables customers to lower operating costs, improve on-time performance, and strengthen end-customer relationships.Responsibilities:- Develop Infrastructure as Code (IaC) and CI/CD pipelines for Docker images.- Maintain and improve the infrastructure on AWS.- Migrate from server-based to serverless.- Optimize the existing solutions to reduce cost and improve performance.- Improve logging and monitoring solutions.- Troubleshoot and fix issues in DevOps solutions and backend microservices.- Develop backend microservices.Tools and Technologies: NodeJS, Python, Bash/Shell, JSON, YAML, Rollbar, Papertrail, Docker, Terraform, Ansible, GitHub, Travis CI, Jenkins, Elasticsearch APM, AWS, EC2, RDS, VPC, Load Balancer, Auto Scaling, Lambda, S3, Systems Manager Parameter Store, CodeBuild, API Gateway, SNS, CloudWatch, ECR, ECS, Fargate, KMS, IAM, CloudTrail, CloudFront, Route 53, Certificate Manager, Nginx, Boto3, Linux, JIRA, Confluence, Google Workspace, Slack.

Andover, Ma, Us

I worked on 3 Data Lake and Analytics Solutions with the clients from USA named Amway, Invesco, and Aquent, as a Big Data and AWS DevOps Engineer.- Amway is a US multi-level marketing company that sells health, beauty, and home care products and provides Independent Business Owner opportunities.- Invesco is a US company dedicated to helping investors around the world achieve building portfolios.- Aquent is a global workforce services company that runs the largest staffing firm specializing in marketing, creative, and experience design.Responsibilities:- Develop, maintain and improve infrastructure for a data lake on AWS.- Develop pipelines for data acquisition and ETL for different types of data sources.- Reduce costs and improve logging and monitoring of the infrastructure.- Develop Infrastructure as Code (IaC), cross-account CI/CD, DevOps solutions andbackend microservices.- Perform deployments in non-production and production environments.- Develop and improve the schema and queries of data stores, databases, and datawarehouses.Tools and Technologies: Python, Bash/Shell, JSON, YAML, BitBucket, GitHub, CodeCommit, Sqoop, Hadoop, AWS, Elasticsearch, Kibana, CloudFormation, CodePipeline, CodeBuild, EC2, EMR, RDS, Parameter Store, Database Migration Service, VPC, Load Balancer, Auto Scaling, Lambda, S3, SNS, CloudWatch, API Gateway, DynamoDB, Athena, Data Pipeline, Glue, SES, Kinesis, Secrets Manager, Redshift, QuickSight, KMS, IAM, CloudTrail, CloudFront, Route 53, Boto3, Linux, JIRA, Confluence, Zoom, Slack.