Curriculum Vitae

Michael Legemah

Principal AI Engineer

New York, NY · michaellegemah@gmail.com · 516-273-1611

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12+ yrs shippingAWSMayo ClinicMBTA · OMNY · BARTDoD Secret Clearance
Experience
Software Development Engineer IV · Contract
10/25 — present
Amazon Web Services · New York, NY
  • Architected and deployed agentic AI workflows on AWS Bedrock, SageMaker, Lambda, AppSync, DynamoDB, and OpenSearch, automating complex multi-step enterprise processes at scale.
  • Designed LLM-as-a-tester and LLM-as-a-judge evaluation pipelines (Anthropic, OpenAI, NovaPro) into CI/CD, catching regressions and enforcing quality gates before deploy.
  • Delivered a production contact-center web app in React, TypeScript, Tailwind, and Python with WCAG-aligned accessibility at enterprise scale.
Senior Software Engineer · Contract
1/25 — 10/25
About Objects · Gaithersburg, MD (Remote)
  • Built LLM-driven RAG pipelines and LangGraph agents on AWS Bedrock to automate document-extraction workflows in a regulated clinical-trial product.
  • Led a modular React/Next.js platform (TypeScript, Redux Toolkit, Tailwind) and HIPAA-compliant Node.js/Fastify/DynamoDB APIs.
Senior Front-End Engineer · Contract
4/24 — 1/25
Apex Systems · Pittsburgh, PA (Remote)
  • Shipped end-to-end features in React, TypeScript, Redux, Tailwind, and Material UI, partnering closely with UX and product.
  • Modernized service communication, migrating legacy REST to gRPC and GraphQL for better cross-service performance.
Software Engineer IV
4/22 — 4/24
Zivaro · Denver, CO (Remote)
  • Engineered React/Next.js apps for mission-critical aerospace and defense platforms with high test coverage (Jest, Playwright, Cypress).
  • Defined microservice boundaries and API-gateway strategy with FastAPI and Python for better fault isolation.
Senior Front-End Engineer
10/20 — 10/21
Reflexions Data · New York, NY
  • Led six engineers on high-availability platforms for MBTA, OMNY, and BART, driving an 80% revenue increase through full-stack ownership.
Senior Front-End Engineer · Contract
2/19 — 10/20
Mondo · New York, NY
  • Built a Storybook-driven React/Vue component library for Mayo Clinic and modernized legacy front-ends into cloud-native AWS services.
Front-End & Web Engineering Roles
1/13 — 11/18
Various Companies · New York, NY
  • Delivered e-commerce platforms (React, Node.js, MySQL, payments) driving $3M+ revenue, and revamped AKC.org for higher conversion.

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