David is available for hire

David Apolinar

Verified Expert in Engineering

Cloud Architect and Software Developer

New York, United States

Toptal member since March 24, 2023

Expertise

Azure Virtual Networks Cloud Azure IaaS Microsoft HPC Azure Active Directory Kubernetes Python 3 Azure DevOps Python Terraform Azure Functions Azure Virtual Machines Machine Learning Statistics Artificial Intelligence (AI)

Bio

David is a principal cloud architect with over ten years of experience helping customers design and architect cloud solutions on Azure. He also has acquired ten years of experience in the financial services industry. David has also worked in the automotive industry, focusing on assisting customers in enabling autonomous self-driving vehicles by leveraging Microsoft Azure.

Portfolio

Microsoft

Azure Kubernetes Service (AKS), Azure IaaS, Azure Resource Manager (ARM)...

Experience

Azure Active Directory - 10 years Azure Virtual Networks - 10 years Azure IaaS - 10 years Azure PaaS - 10 years Azure App Service - 8 years Kubernetes - 5 years Azure DevOps - 5 years Azure Kubernetes Service (AKS) - 5 years

Availability

Part-time

Preferred Environment

Azure PaaS, Azure IaaS, Visual Studio Code (VS Code), Terraform

The most amazing...

...thing I've worked on is minimizing the amount of time financial quants spent developing their customer portfolio investments using Azure.

Work Experience

Principal Architect

2011 - PRESENT

Microsoft

Enabled a large insurance customer to save significant capital expenditures of approximately $500,000 by architecting and designing a cloud-native high-performance computing (HPC) grid computing environment.
Set up quantitative financial analysts to leverage native Azure Python SDKs, using Azure Batch to reduce their financial simulation training from five days to three hours.
Equipped a large financial service banking customer to migrate from an on-premises custom-built Docker environment to an AKS multi-cluster environment.

Technologies: Azure Kubernetes Service (AKS), Azure IaaS, Azure Resource Manager (ARM), Azure PaaS, Azure DevOps, Azure Virtual Networks, Azure Blobs, Strategy, Microsoft HPC, Architecture

Experience

Spring Cloud Azure Reference Architecture

https://github.com/Azure/azure-spring-apps-reference-architecture

Led the team of architects to create and develop a secure reference architecture to enable several customers to leverage Spring Cloud Azure with a secure implementation in mind. This architecture included several infrastructures as cloud implementations, including Terraform, Bicep, and ARM. This pattern was leveraged by several fortune 500 companies, including retail and financial services.

Microsoft HPC Cost Optimization for Insurance

https://www.microsoft.com/en-us/industry/blog/financial-services/2017/03/06/metlife-improves-actuarial-calculation-capability-while-generating-savings/

Enabled a large insurance provider to realize the benefits of Azure IaaS in combination with HPC Pack. By leveraging Azure with HPC Pack, capital cost savings of roughly 50% was realized year over year.

Education

2020 - 2022

Master's Degree in Data Science

New Jersey Institute of Technology - Newark, NJ, USA

2013 - 2015

Master's Degree in Business Administration (MBA) in Business Administration and Finance

Baruch College - New York City, NY, USA

2000 - 2003

Bachelor's Degree in Computer Science

Illinois Institute of Technology - Chicago, IL, USA

Certifications

DECEMBER 2023 - PRESENT

Azure Security Engineer Associate

Microsoft

JUNE 2023 - PRESENT

Certified Kubernetes Security Specialist

The Linux Foundation

AUGUST 2020 - AUGUST 2023

Azure Administrator Associate

Microsoft

AUGUST 2020 - AUGUST 2023

Microsoft Azure Solutions Architect Expert

Microsoft

JANUARY 2020 - JANUARY 2023

Certified Kubernetes Application Developer

Linux Foundation

SEPTEMBER 2019 - SEPTEMBER 2022

Certified Kubernetes Administrator

Linux Foundation

JULY 2019 - PRESENT

Implementing an Azure Data Solution

Microsoft

Skills

Libraries/APIs

Microsoft HPC, PyTorch

Tools

Azure Kubernetes Service (AKS), Azure Network Security Groups, VMware vSphere, Terraform, Azure App Service

Platforms

Azure IaaS, Azure PaaS, Kubernetes, Azure, Azure Functions, Visual Studio Code (VS Code), Azure SQL Data Warehouse, Dedicated SQL Pool (formerly SQL DW)

Storage

Azure Blobs, Azure Active Directory, Azure SQL Databases, Database Security, Azure Table Storage

Languages

Python 3, Python, Java

Paradigms

Azure DevOps

Other

Azure Virtual Networks, Azure Resource Manager (ARM), Azure Virtual Machines, Cloud, Architecture, Strategy, Machine Learning, Statistics, Deep Learning, Convolutional Neural Networks (CNN), Business, Finance, Algorithms, Sorting Algorithms, Data Structures, Azure Databricks, Azure Data Factory, Azure Stream Analytics, Big Data, Application Security, Artificial Intelligence (AI), Cloud Architecture

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