Managed third-party penetration testing of systems. Triaged, mitigated, and repaired defects found. Migrated infrastructure into Terraform, Docker, Kubernetes configurations. Migrated bespoke Coffeescript authentication layer into AWS (API Gateway, Cognito, Lambda). Maintained existing C#, Node applications with Angular front-end in a micro-service, micro-repository architecture.

Created consumer-facing SaaS with Scala (Play Framework), Bootstrap, Postgres in AWS for HR startup.

Created prototype native Android, iOS applications with MeteorJS back-end for event management startup.

Created Android, iOS applications with Xamarin (C#), and a Java back-end for childcare startup.

Created Android, iOS SDKs for third-party integrations with Bluetooth enabled wearables for sports technology startup.

Created streamlined data-entry system with MeteorJS for home inspection data for home renovation startup.

Created SaaS platform with AWS, Stripe, React, Node for home renovation startup.

Created SaaS platform with AWS, Stripe, React, Node for off-market real-estate listing startup.

Migrated consumer-facing billing site from Java / PowerBuilder to C#. Migrated internal tooling from PowerBuilder to C#, Angular web applications. Created CI/CD pipeline with Jenkins, Ansible, Batch, PowerShell, Python. Integrated third-party COTS software (Cityworks, Infor EAM) with Microsoft Dynamics. Created job management system for real-time and batch processing integrations between aforementioned applications in C#, Angular, SQL Server, Azure.

Built proof-of-concept Angular, React, VueJS applications in preparation for migration from legacy AngularJS application. Migrated customer-facing front-end applications for high-frequency trading systems from AngularJS to React. Integrated modern front-end build system (Webpack) with internal, bespoke build system (Ruby). Wrote custom Git module for handling large number of binary files with Go.

Created internal tooling for information security case management systems in Go, PHP, jQuery, React, and MySQL. Managed remote team building security training (phishing) system in Java (Spring Framework), React, MySQL.