David is available for hire

David Aquino

Verified Expert in Engineering

DevOps Engineer and Developer

New York, NY, United States

Toptal member since May 26, 2020

Expertise

Cloud Architecture Docker Amazon S3 Git DevOps AWS Terraform AWS Lambda Cloudflare Python Kubernetes Google Kubernetes Engine (GKE)

Bio

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.

Portfolio

Raft

Go, Python 3, Docker, AWS Lambda, AWS CLI, Amazon Virtual Private Cloud (VPC)...

Rialtic

Terraform, Amazon RDS, AWS IAM, AWS CLI, Amazon S3 (AWS S3), Amazon EKS...

Jackpocket

Git, Docker, Google Kubernetes Engine (GKE), Node.js, Go, Bash, Python, DevOps...

Experience

Configuration Management - 10 years
Python 3 - 10 years
Git - 7 years
Amazon Web Services (AWS) - 7 years
Docker - 7 years
Datadog - 5 years
Google Kubernetes Engine (GKE) - 3 years
Google Cloud Platform (GCP) - 3 years

Availability

Part-time

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

Principal DevSecOps Engineer

2023 - PRESENT

Raft

Ported lambdas from Python to Go to support a Cross Domain Solution for the transfer of artifacts between varying levels of classified environments.
Created custom Terraform modules to support AWS Lambdas with SQS queues in private VPCs.
Prepared custom helm charts for applications to deploy to a secured EKS cluster.

Technologies: Go, Python 3, Docker, AWS Lambda, AWS CLI, Amazon Virtual Private Cloud (VPC), GitLab CI/CD, Terraform, Amazon S3 (AWS S3), AWS Security Hub, Kubernetes, Bash, Configuration Management, Helm, GitLab, Amazon EKS, Argo CD, Cloud Infrastructure, Cloud Architecture

Senior Cloud Engineer

2021 - 2023

Rialtic

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, CI/CD Pipelines, DevSecOps, GitHub Actions, Security, Kubernetes, Bash, Datadog, Python 3, Configuration Management, Cloudflare, Helm, GitLab, AWS Lambda, Amazon Virtual Private Cloud (VPC), Cloud Infrastructure, Cloud Architecture

DevOps Engineer

2019 - 2021

Jackpocket

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, CI/CD Pipelines, DevSecOps, GitHub Actions, Kubernetes, Google Cloud Platform (GCP), Datadog, Python 3, Amazon S3 (AWS S3), Configuration Management, Cloudflare, Helm, CircleCI, Argo CD, Cloud Infrastructure, Cloud Architecture

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, DevOps, Bash, Datadog, Python 3, Amazon S3 (AWS S3), Configuration Management, Cloud Infrastructure, Cloud Architecture

Senior Network Tools Engineer

2015 - 2018

Priceline.com

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, DevOps, Bash, Python 3, Configuration Management

Software QA Engineer

2012 - 2015

AOL

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, Quality Assurance (QA)

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

Adcieo

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

Experience

Google Cloud Infrastructure

https://github.com/filapinoaquino/terraform-gke/

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.

Education

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

Certifications

MAY 2020 - PRESENT

Configuration Management and the Cloud

Coursera

MAY 2020 - PRESENT

Google IT Automation with Python Specialization

Coursera

MAY 2020 - PRESENT

Troubleshooting and Debugging Techniques

Coursera

APRIL 2020 - PRESENT

Crash Course on Python

Coursera

APRIL 2020 - PRESENT

Using Python to Interact with the Operation System

Coursera

NOVEMBER 2018 - NOVEMBER 2021

AWS Certified Cloud Practicioner

Amazon Web Services (AWS)

Skills

Libraries/APIs

Node.js

Tools

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

Paradigms

DevOps, DevSecOps, Automation

Platforms

Docker, Amazon Web Services (AWS), AWS Lambda, Google Cloud Platform (GCP), Kubernetes, 1Password

Storage

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

Languages

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

Other

Configuration Management, Argo CD, CI/CD Pipelines, Cloud Infrastructure, Cloud Architecture, Cloudflare, IT Support, Quality Assurance (QA), GitHub Actions, AWS Security Hub, Google, ECS, Juniper, Networking, Blackbaud, Fundraising, Amazon RDS, Ambassador API, Linkerd, Security

Collaboration That Works

How to Work with Toptal

Toptal matches you directly with global industry experts from our network in hours—not weeks or months.

Share your needs

Discuss your requirements and refine your scope in a call with a Toptal domain expert.

Choose your talent

Get a short list of expertly matched talent within 24 hours to review, interview, and choose from.

Start your risk-free talent trial

Work with your chosen talent on a trial basis for up to two weeks. Pay only if you decide to hire them.

Top talent is in high demand.

Start hiring