Calvin Secrest Jr

Mostly provides a reference to deploy a BigQuery ML Customer Churn Classifier to Vertex AI for online predictions. Maintain computer systems and programming guidelines by writing and updating production writing policies and procedures. While I develop and maintain applications and databases by evaluating client needs; analyzing requirements; developing software systems.
• Construct monitoring and alerting strategy for production environments and diagnose performance/availability/scalability issues with an emphasis on Root Cause Analysis & Resolution

• Java performance, Linux system monitoring, Database SQL tuning and basic networking services
• Strong knowledge in resiliency frameworks and patterns for applications (Hystrix, resilience4j, circuit breaker, bulkhead), as well as infrastructure
• Identifies Single point of failures/failure modes and design strategy for addressing it
• Good programming knowledge (Java/J2EE, Python) beyond simple scripts
• Cloud environments (GCP, AWS, Azure) and Automation experience
• Good understanding and experience of CI/CD via Jenkins
• Knowledge around containerization (docker) and container orchestration (Kubernetes, GKE, docker swarm)

Provided Java and C# development and DevOps work, mapping configurations, data synchronization, and data replication tasks with Azure Cloud Services. Also serve as the primary point of contact for data-related issues, questions, or concerns
• Maintain daily backups of all Salesforce organization in SQL Server 2012.
• Established test platform for company by writing automated unit and integration test cases to help ensure old and new applications are properly tested when applications are deployed.
• Provide debugging and troubleshooting support for SQL stored procedures, Power Shell scripts, Salesforce workflows, triggers, and Visualforce framework components.
• Remediate system vulnerabilities identified from automated scanners by using Microsoft Group Policy and patch deployment techniques to maintain a compliant security posture

Worked on developing C# and Java enhancing build scripts and release tools to improve the efficiency of the development and its build process. In addition, increased the number of weekly releases by 300% for each project, decreasing the number of bugs in production.
• Creating and running automated nightly build to discover new produced bugs’ earlier, reducing bug fixing time from 1-4 days to few hours.
• Created process to build and release one product with several different languages, localized build, and reduced building time for each language-related release.
• Developed an effective build automation, continuous integration and test environment that reduced integration issues and improved code quality.
• Working with the development team on enforcing source control strategies, building, packaging, and deployment of products.

Design and develop PHP code for continuous deployment pipeline, integrating Vagrant, Git, Jenkins, and Chef across geographically separated hosting zones in AWS. Utilized version control for TFS and Azure, also development Docker containers.
• Standardize local development environment and updates, standardize the development to production launch process.
• Distribution and support of VM (Vagrant) when applicable, assured all supported browsers are tested to maintain a QA Schedule for each project.
• Assist QA Production Needs (Staff) and assure all supported browsers are tested (per contract basis), and automated testing experience process for feature acceptance testing.
• Monitors the efficiency and effectiveness of the release management process across the organization. Develop build and deploy scripts based on developer or projects needs using PHP script and Laravel Forger server.