Jeffrey Henry

Lead Software Engineer with 11+ years of experience architecting and scaling resilient full-stack applications that drive operational efficiency. Proven track record spanning legacy system modernization, enterprise-level microfrontend architecture, and backend API design.

Most recently at Cyncly, I’ve balanced dual-capacity impact, maintaining flagship CRM/ERP solutions while serving as a top-3 contributor across core React microfrontend repositories and C# backend services in an enterprise Scrum environment. Known for bringing an automation-focused mindset to complex environments, maintaining high code quality (>80% test coverage), and bridging legacy platforms with modern cloud ecosystems.

Core Expertise

• Frontend & Architecture: React, Microfrontends, JavaScript/TypeScript, UI/UX Redesigns, Component Libraries
• Backend & APIs: C#, RESTful API Endpoint Development, Third-Party Integrations (Avalara, Tableau, DocuSign)
• DevOps & Practices: Azure DevOps, GitHub, CI/CD Pipelines, Docker, Agile/Scrum, Test-Driven Development
• Platforms & Tools: FileMaker/Claris Engineering, Data Modeling, Custom ERP/CRM Solutions, Figma

Developer (L3 Individual Contributor) at Cyncly (2023-07 – Present)

• Led end-to-end development for flagship CRM/ERP systems, delivering regular feature enhancements, critical bug fixes, and key third-party integrations including Avalara, fcB2B, Tableau, and Google Charts.
• Scaled cross-functional output in a dual-capacity role, dividing focus between legacy system maintenance and building next-generation React micro frontend services within an enterprise Scrum environment.
• Ranked as a top-3 contributor across core micro frontend repositories, implementing complex feature sets, modernized component architectures, and robust unit testing to maintain >80% code coverage.
• Developed resilient C# backend API endpoints to support seamless frontend integration and maintain data integrity across enterprise workflows using Azure DevOps and GitHub.

Lead Software Engineer at Pacific Solutions (2020-03 – 2023-07)

• Spearheaded API integrations (Docusign, Tableau, Google Charts, Payments) to streamline workflows.
• Refactored legacy codebases, reducing bugs and improving maintainability.
• Delivered accurate custom development estimates, enhancing client satisfaction.
• Implemented plug-in integrations (FTP, Email, File Manipulation) to enhance system capabilities.

Software & Hosting Engineer at Productive Computing, Inc (2015-08 – 2020-03)

• Led custom software development projects, increasing client retention.
• Enhanced legacy solutions and built new vertical applications, reducing deployment times.
• Directed lower-level developers in projects, mentoring team members to ensure quality deliverables.
• Seamlessly integrated third-party APIs and plug-ins, enabling advanced functionalities.

Bachelor of Science in Computer Science – Cal State University San Marcos (2011 – 2015)