JONATHAN FRANKEL

Engineered an AI evaluation testbed using Levenshtein distance similarity scoring to benchmark multiple LLM providers to optimize PDF document ingestion
Initiated work on in-app notifications for the v2 core application, rapidly onboarding to leverage an in-house AI development framework

AI Agent tooling: established internal Claude Code plugin marketplace and contributed a context management skill for improved memory tracking per git branch; this resulted in better dev UX when juggling features across multiple Claude Code sessions
Developed Claude Code skills for GitHub and JIRA to supplement gaps in MCP servers, allowing developers to pull in additional, external context for feature specification
Extended a system to ingest and parse error responses delivered via email from a third party integration into structured data in Postgres for auditing; later used as the basis for replaying resource uploads, to backfill missing data and support customer compliance with that integration (AWS Lambda/S3/SNS/SES)
Implemented the API and UI for user audit logs for enterprise customers (C#, MSSQL, React), delivering the ability to track user activity for compliance and security requirements
AuthZ/AuthN enhancements as part of the IAM team; deployed Apollo Gateway to enable GraphQL Federation; served on release manager rotation for production deployments

Re-engineered system for syncing historical ecommerce data by leveraging batch processing, reducing sync time from days to minutes, to accelerate customer onboarding
System hardening: implemented distributed tracing via custom request headers; improved visibility into data loading and transformation via custom logging in MySQL; Prototyped initial CSRF protection for the main application, which was used as the basis for legacy subsystems
Architecture: Co-developed architecture for Zapier-like integration platform, used by third party developers to build plugins for customers; extended serverless app to qualify and capture user interaction events onto Kafka data stream
Mentored junior developers and delivered presentations on dependency injection, active record/ORM patterns, unit testing, and coding best practices
Led weekly testing parties to build API contract tests to avoid breaking changes to the API

Product owner for a financial management application with a budget of $300k
Scoped out requirements with clients, performed user acceptance testing, negotiated alternative solutions with the client where necessary
Lead developer for a single-page camp registration application (PHP, MySQL, Angularjs)
Developed Symfony/Angularjs applications; Release manager

Developed an HR and account management platform (App Engine with Python) featuring:
- Self-serve employee safety training and account management for school managers, using the Okta API to provision accounts
- School training compliance dashboard for corporate employees
- Integration with billing system to charge schools for licenses used
Manage external vendors for website redesign and platform migration

Built class finding web app using Google Maps. CMS-like editing with Google Groups based auth
Systems integration via REST APIs — NetSuite, Zendesk, and SurveyGizmo

Built a service for sharing large files with direct downloads via secure links in email. LAMP stack with LDAP auth.
Web development in proprietary CMS (RedDot)