Dennis J. Wheeler
Verified Expert in Engineering
Backup & Recovery Developer
Rochester, NY, United States
Toptal member since August 31, 2018
Dennis is a software engineer with over nine years of experience under his belt. A few career highlights have been ensuring that electronic medical health records comply with HIPAA regulations and work with newer technologies and spending over three years, working as the tech lead for a startup. Currently, Dennis works as a DevOps engineer at a medical startup where migrated the whole stack (Tomcat, Java, MySQL, PHP) to Amazon Web Services.
Portfolio
Experience
- MySQL - 11 years
- Jenkins - 8 years
- Python - 6 years
- Ansible - 6 years
- Backup & Recovery - 6 years
- IT Security - 4 years
- Networks - 3 years
- Firewalls - 3 years
Preferred Environment
Amazon Web Services (AWS), Ansible, MySQL, Python, Linux
The most amazing...
...software I have worked on takes all symptoms into account and provides a probabilistic diagnosis to help medical professionals properly diagnose patients.
Work Experience
Manager of DevOps, IT, Security
VisualDx
- Migrated the company from a data center to the cloud.
- Added redundancy to the company's software service.
- Created a reporting platform that pulls from the product, Salesforce, and QuickBooks to generate business analytics.
- Set up a CI/CD pipeline using Jenkins to streamline and make deployments consistent and efficient.
- Set up provisioning scripts for projects through Ansible.
- Set up firewalls and a VPN between two local offices (Azure and AWS).
- Helped the company become HiTRUST and HIPAA compliant.
- Maintained an Azure Active Directory and utilized it for single sign-on for many services across the company.
- Set up backups and transferred usable portions of a large (multiple terabytes) image library.
Software Architect
Tru Images
- Created a cross-platform service to upload and reuse images across car dealerships in a dealership group.
- Built a redundant system that automatically scaled up with traffic.
- Implemented a backup system backed up the production deployment, image archive, and the database every day for a week, every week for two months, and every month in perpetuity.
Senior Software Engineer
Brand Networks
- Developed software which worked with a credit card vendor to publish deals and discounts out over Facebook integrations.
- Managed software that integrated a hotel-booking website with Facebook to provide tempting offers to potential customers.
- Supported WordPress-based software for a small business social network in partnership with a credit card company.
Programmer Analyst
LocalEdge
- Developed and maintained advertising web applications.
- Provided a reporting package that combined information between various analytics packages.
Web Developer and Database Administrator
Clinical Support Services
- Maintained an electronic medical record database.
- Organized data extracts from various insurances companies and providers in a HIPAA-compliant manner.
- Aided in government-mandated audit reports.
Experience
VisualDx
Education
Bachelor's Degree in Computer Science
University of Rochester - Rochester, NY, USA
Skills
Libraries/APIs
jQuery, Handlebars, Terragrunt, Amazon EC2 API
Tools
Amazon Virtual Private Cloud (VPC), GitLab, Git, VPN, Apache Tomcat, Terraform, Jamf Pro, AWS Cloud Development Kit (CDK), Bitbucket, Confluence, Jira, AWS Command Line Interface (CLI), Ansible, Jenkins, Gulp, Grunt, Amazon Simple Email Service (SES), Amazon CloudFront CDN
Languages
Python, JavaScript, Java, PHP, SQL, C#, SAML, Bash
Platforms
Amazon Web Services (AWS), Linux, Docker, CentOS, Azure, WordPress, Jakarta EE (Java EE or J2EE), Oracle, Amazon EC2, Linux CentOS 7, Amazon Linux
Paradigms
DevOps, DevSecOps, Kanban, Continuous Deployment, Continuous Development (CD), Continuous Integration (CI), Continuous Delivery (CD), Agile, Penetration Testing
Industry Expertise
Cybersecurity
Frameworks
Angular, Spring, Hibernate
Storage
JSON, Microsoft SQL Server, Datadog, Azure Active Directory, MySQL, Amazon S3 (AWS S3)
Other
Web Hosting, Domain DNS Setup, Security, CI/CD Pipelines, AWS Cloud Security, Application Security, Infrastructure, Software Development Lifecycle (SDLC), HIPAA, Domain Migration, IT Security, Firewalls, Networks, AWS DevOps, System Administration, Linux Administration, Single Sign-on (SSO), Elastic Load Balancers, Backup & Recovery, IT Infrastructure
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