David Aquino, Developer in New York, NY, United States
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David Aquino

Verified Expert  in Engineering

DevOps Engineer and Developer

New York, NY, United States
Toptal Member Since
May 26, 2020

David is a talented developer who has lately been working as a DevOps engineer, successfully delivering numerous tasks related to infrastructure, CI/CD, monitoring, storage, data engineering, and IT support. He's also worked as a network automation engineer, software QA engineer, IT support engineer, SQL analyst, and front-end web developer. Currently, David's primary interest is DevOps with quality assurance being a close second.


Terraform, Amazon RDS, AWS IAM, AWS CLI, Amazon S3 (AWS S3), Amazon EKS...
Git, Docker, Google Kubernetes Engine (GKE), Node.js, Go, Bash, Python
Conde Nast Entertainment
Amazon Web Services (AWS), Git, ECS, Docker, Python




Preferred Environment

Kubernetes, CircleCI, Datadog, Bash, Python, Docker, Amazon Web Services (AWS), Cloudflare, Terraform, GitLab

The most amazing...

...thing I've developed was a tool to automate blocking malicious IP CIDRs in support of the network infrastructure team at Priceline.com.

Work Experience

Senior Cloud Engineer

2021 - PRESENT
  • Implemented AWS EKS in Terraform across four AWS accounts.
  • Developed Custom Terraform Modules for S3, MWAA, and RDS.
  • Evangelized best practices for Kubernetes deployments.
  • Created Gitlab CI/CD pipelines for four microservices.
  • Implemented ArgoCD with Okta SSO for four environments.
  • Mentored junior engineers and influenced design decisions for cross-team efforts.
Technologies: Terraform, Amazon RDS, AWS IAM, AWS CLI, Amazon S3 (AWS S3), Amazon EKS, Ambassador API, Linkerd, Argo CD, 1Password, Jira, GitLab CI/CD, Amazon Web Services (AWS)

DevOps Engineer

2019 - 2021
  • Created Terraform modules to deploy infrastructure, including GKE clusters, Memorystore Redis, Cloud SQL PostgreSQL, VPC networking, service accounts, and cloud storage buckets.
  • Researched and implemented CI/CD pipelines utilizing CircleCI, Cloud Build, and FluxCD.
  • Implemented and maintained a ThreatStack security application.
  • Designed and implemented a security-vulnerability scanning solution in Go for application images involving notifications sent to the Slack channel.
  • Implemented a PubSub solution in Ruby on Rails to send real-time updates to BigQuery.
  • Designed and implemented optimized developer workflow when loading the production database locally for testing, saving one hour per update.
  • Implemented and maintained a DataDog agent integration, which saved the company thousands of dollars per month by correctly sizing container usage metrics and log collection.
  • Created a Cloudflare worker in Node.js to separate CMS traffic from main application traffic to improve application performance.
Technologies: Git, Docker, Google Kubernetes Engine (GKE), Node.js, Go, Bash, Python

DevOps Engineer

2018 - 2019
Conde Nast Entertainment
  • Implemented a Hashicorp Vault solution in ECS with an accompanying Vaultron web server for updating secrets and refreshing developer tokens monthly.
  • Implemented a GitHub team solution in Python to update team membership and repository access based on YAML files in source control.
  • Created an Ansible playbook to update authorized_keys file on hundreds of EC2 servers.
Technologies: Amazon Web Services (AWS), Git, ECS, Docker, Python

Senior Network Tools Engineer

2015 - 2018
  • Developed a Python tool to block malicious CIDRs on a physical-network infrastructure. It alleviated the need for network engineers to wake up during the night to update security groups and saved hundreds of man-hours over the course of 2.5 years.
  • Composed Ansible playbooks to automatically configure physical network infrastructure. Ansible playbooks were integral to standardizing configurations for network devices.
  • Developed a Python tool to manage wireless password rotation.
  • Built a Python workflow using Tenable Nessus (security center) and Jira for PCI compliance along with criticality ticket labels for tracking purposes.
Technologies: Git, Automation, Networking, Juniper, Ansible, Python

Software QA Engineer

2012 - 2015
  • Composed Ruby scripts to test the real-time bidding software which generated more than 1.5-million revenue monthly.
  • Documented test cases and held review meetings with operations personnel.
  • Created a domain-specific language in Ruby which improved test performance and coverage. The test running time was reduced from eight hours to one hour.
Technologies: Git, Subversion (SVN), Ruby

Technical Support

2011 - 2012
Cas Savern
  • Prepared technical documentation for the electronic submission of a medical documentation system.
  • Onboarded Medicare review audit contractors (MAC) and Medicare administrative contractors (RAC) to use electronic submission of medical documentation (esMD).
  • Conducted daily phone calls with technical contractors to discuss project progress.
Technologies: Java

Programmer Analyst

2010 - 2011
Johns Hopkins University
  • Assembled technical representatives to gather requirements.
  • Created SQL statements to maintain student registration and billing information systems.
  • Created and modified SSRS reports for the central student information system.
Technologies: SQL Server Reporting Services (SSRS), Microsoft SQL Server

Web Developer

2009 - 2010
  • Customized Blackbaud fundraising web applications for nonprofit organizations.
  • Created customized themes in WordPress, Joomla, and Drupal.
  • Traveled to clients weekly to train and give IT support.
Technologies: Fundraising, Blackbaud, JavaScript, PHP

Google Cloud Infrastructure

This is an example implementation of the basic infrastructure components needed for a web application. It is an infrastructure-as-code (IaC) example using Terraform includes a GKE cluster, Memorystore for Redis, Cloud SQL PostgreSQL, and VPC private networking.


Git, Google Kubernetes Engine (GKE), Helm, CircleCI, Ansible, Subversion (SVN), Terraform, GitLab, AWS IAM, AWS CLI, Amazon EKS, Jira, GitLab CI/CD


DevOps, Automation


Amazon S3 (AWS S3), Datadog, Microsoft SQL Server, SQL Server Reporting Services (SSRS)


Python 3, Python, Bash, Go, Ruby, Java, PHP, JavaScript


Docker, Google Cloud Platform (GCP), Amazon Web Services (AWS), Kubernetes


Cloudflare, IT Support, Configuration Management, Quality Assurance (QA), Google, ECS, Juniper, Networking, Blackbaud, Fundraising, Amazon RDS, Ambassador API, Linkerd, Argo CD, 1Password



2012 - 2014

Master's Degree in Applied Information Technology

Towson University - Towson, MD, United States

2006 - 2008

Bachelor's Degree in Computer Information Systems

Towson University - Towson, MD, United States


Configuration Management and the Cloud



Google IT Automation with Python Specialization



Troubleshooting and Debugging Techniques



Crash Course on Python



Using Python to Interact with the Operation System



AWS Certified Cloud Practicioner

Amazon Web Services (AWS)

Collaboration That Works

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