Jonathan Karlen Email & Phone Number

Los Angeles, Ca, Us

• Worked on the Applied AI Search team to develop a search application for Corporate Compliance to search hundreds of thousands of documents.• Wrote C# endpoints to consume the Azure OpenAI API for generating document embeddings and returning cached document summaries.• Developed Python interceptors and effects in the document ingestion pipeline to extract textual content from various file types (Outlook MSG, MS Word, Excel, Text, EML files).• Created Python scripts to interact with Azure OpenAI’s Completion API for generating document summaries.• Contributed to the Terraform repository to manage a complex array of Azure resources.• Developed deployment pipelines for Azure and GitHub Actions.• Trained an Azure Document Intelligence model to process information request documents and identify questions within them.• Leveraged various Azure services, including Document Intelligence, Storage Accounts, Azure OpenAI, AI Search Services, Key Vault, Azure PostgreSQL, Azure Cosmos DB, Pipelines, and DevOps.• Integrated Liquibase into the deployment pipeline.• Used BAZEL for dependency management and Test-Driven Development (TDD).

Atlanta, Georgia, Us

• Supported the issuance of HD Supply cards, building out full-stack applications for credit applications, card requests, posting charges, and reporting.• Utilized microservice architecture with Docker and Jenkins for single responsibility development.• Created new endpoints in Java and C# (.NET Core).• Developed UI using Angular and Tailwind.• Built an ETL application in C# for retrieving and posting online and in-store sales to customer accounts.

Chesterfield, Missouri, Us

• Led software development for various nonprofit and for-profit clients across multiple industries.• Managed multiple development projects simultaneously for IT consulting firms, ensuring delivery on time, on budget, and aligned with client requirements.• Client Highlights:• Maritz: Developed the MS Teams app for their flagship CultureNext product using NodeJS, React, Tailwind CSS, and Maritz’s REST API.• Navigate STL Schools: Built a PHP 8.1 application with Laravel and Vue, leveraging MySQL, Redis, and Elastic Search, deployed to Digital Ocean.• Point Recognition: Developed an employee recognition platform using .NET Core, Entity Framework, Angular, and MS SQL Server, deployed to Azure serverless environment.• Blueprint4: Created a searchable database of youth enrichment programs using Grails/Groovy, deployed to AWS.• RxOutreach: Developed applications for a non-profit division of ExpressScripts using Java and Oracle.• Washington University St. Louis: Built a Covid contact tracing app using Python and Angular, deployed in Google Cloud.

Port Chester, Ny, Us

• Played a critical role in designing and delivering technology that enabled growth from a startup to a $500M company.• Designed and developed a scalable core CRM platform, managing $500M in annual transactions.• Facilitated transition to in-house production, building a manufacturing tracking system.• Integrated systems with key partners (FedEx, UPS) and various tax platforms.• Ensured business continuity through strategic engagement with senior leadership.• Developed a mobile commerce experience using React.• Led a team of 20 engineers and represented the company in funding audits.