Jeffrey (Jeff) Williams

Software Engineer

Grand Rapids, Michigan [email protected] LinkedIn GitHub

Experience

Leading EDJE (Contractor)

Cloud Engineer @ Leaf Home Solutions
Jan 2025 - Present
  • Onboarded to Azure DevOps and Azure Cloud within 2 weeks to deliver production-ready code
  • Developed cli dotnet tool for Microsofts ServiceBus Emulator, allowing for local development and testing
  • Developed cli dotnet tool for lead test data generation, reducing manual data entry and saving time on local development
  • Implemented Azure Functions Ops App to Genesys integration enhancements, that organizes leads into Genesys call buckets based on lead data more effectively, increasing revenue for the inside sales team
DevOps Engineer @ Crown Equipment
May 2024 - Dec 2024
  • Spearheaded large-scale migration of 180+ production repositories to GitHub Actions, achieving 50% reduction in build times and optimizing release capacity costs
  • Delivered production-ready CI/CD platform by mastering GitHub Actions, Terraform, and AWS within 3 months
  • Designed and implemented shared GitHub Actions repository for consistent CI/CD pipelines across DotNet, Java, Angular, and Python codebases, reducing pipeline creation time by 50%
  • Implemented Terraform infrastructure as code for GitHub repositories, automating environment-level secrets provisioning and significantly reducing manual configuration
  • Enhanced security compliance by architecting by-environment service account PAT rotation for GitHub Actions
  • Partnered on Java 11 to 17 migration initiative, coordinating with an architect on strategies and implementations, resulting in clear upgrade paths and Java 11 backward compatibility
Backend & Web & Mobile Engineer @ Leaf Home Solutions
Oct 2022 - May 2024
  • Ramped up on Blazor WebAssembly and Azure DevOps within 1 month to deliver production-ready code
  • Worked on a lean scrum team in architecting and developing a Blazor WebAssembly job installer application managing 1000+ daily work orders
  • Helped implement the Jobs API microservice in Azure Functions which communicated with on-prem SQL Server stored procedures, processing 10K+ daily requests with 99.9% success rate
  • Established comprehensive testing practices including bUnit, xUnit, and end-to-end tests achieving above baseline code coverage
  • Integrated NetSuite ERP with legacy ASP.NET Operations application, saving significant manual entry resources
  • Collaborated with business stakeholders to adapt to rapidly changing requirements while maintaining project timeline and quality
  • Quickly dived into working on Logic Apps to automate logistics file processing via sftp, reducing manual errors and improving data accuracy
Backend Engineer @ Crown Equipment
Jan 2022 - Sep 2022
  • Delivered 9-month project on time and under budget by helping a 5-person scrum team through Agile practices
  • Engineered high-throughput AWS-hosted External REST Java APIs processing 7M+ monthly requests with 99.9% success rate while achieving sub-200ms response times
  • Implemented real-time monitoring across 7 microservices using Dynatrace and OpenSearch dashboards
  • Delivered comprehensive testing strategy using SpringBoot testing and Karate framework with detailed performance metrics
  • Helped integrate OAuth2 solution with Auth0 for External REST APIs, achieving compliance with ISO security standards and ease of use for consumers

Priority Health / Corewell Health

Backend Engineer
May 2014 - Jan 2022
  • Engineered Java APIs integrating Epic and Cerner systems for patient portal serving 500K+ users
  • Wrote imaging result microservice from the ground up for the original patient portal, allowing patients to view results within 24 hours
  • Implemented transaction outbox pattern for reliable insurance claims processing
  • Achieved Epic certifications contributing to Gold Partner status and reduced partner costs
  • Helped develop patient communication and new patient login features for rapid COVID-19 response
  • Adjusted through multiple organization changes and helped on migrations including SOAP to REST Java microservices, Cerner and Epic to single source Epic, on-prem JBoss to OpenShift, and OpenShift to AWS
  • Mentored junior developers through onboarding, code reviews and pair programming sessions, improving team velocity

Skills

core technologies

C#DotNetJavaSpringBootJavaScriptTypeScriptPython

cloud and devops

AzureAWSGitHub ActionsJenkinsTerraformDockerKubernetesDynatraceSplunkOpenSearch

web and api

Blazor WASMASP.NET CoreAngularReactNode.jsRESTSOAPGraphQLCloud HostingSwaggerPostman

security

SSL/TLSData EncryptionAccess Management

standards

ISOHL7PCIHIPAAFHIROpenAPIOAuth2JWT

data and testing

RedisSQL ServerMySQLOracle DBElSqlJPAFlywayEntity FrameworkxUnitbUnitJUnitKaratetestcontainersJestPlaywrightPuppeteerLighthouse CI

methodologies

AgileScrumKanbanTDDPair ProgrammingCI/CDDevOpsMicroservicesSOA

integrations

GenesysTwilioNetSuiteEpicCernerLexisNexisSalesforceWorkdayServiceNowGitHubSlackTeams

Projects

  • Devcontainers

    Developed multi repository and project devcontainer configuration that allows for centralized view of projects in Visual Studio Code and idempotent setup

    DevcontainersDockerVisual Studio CodeGitHub PackagesGitHub ActionsBash

  • AI Sports Prediction Model

    Developed AI-powered sports prediction model using Azure ML and .NET, achieving projected 10% ROI on NCAA Tournament predictions

    DotNetAzure ML.NETMachine LearningSpectre Console

  • Resume Portfolio Site

    Built this resume portfolio site demonstrating various web development technologies and CI/CD practices

    JekyllJavaScriptBabelPlaywrightJest PuppeteerLighthouse CISCSSGitHub ActionsLinting

Education

  • Bachelor of Science in Computer Science — Western Michigan University
    Dec 2013

Certifications

  • Microsoft Certified - Azure Fundamentals
  • AWS Partner - Technical Accreditation
  • Epic Chronicles Database & Interconnect Programmer Certification
Download PDF