Andrew Leonenko · Résumé · Principal AI & Platform Engineer
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Andrew Leonenko

Principal AI & Platform Engineer
New York, NY a.leonenko.me github.com/cyberkoder in/cyberkoder

Principal AI & platform engineer with 12 years building production systems across enterprise SaaS and regulated industries. I design the infrastructure around modern AI: MCP servers, agent orchestration, model routing, retrieval, evaluation, and full-stack product surfaces. Recent work includes 30+ typed MCP tools and multi-provider routing optimized for cost, latency, and reliability. Interested in Principal and Staff roles in aerospace, space infrastructure, and ambitious AI platforms.

Experience

Balance Partners · InsurTech

Dec 2025 – Present
Principal AI & Platform Engineer (prev. Senior Agentic AI / Platform Engineer)
  • Lead agentic AI and the API platform behind a modern insurance stack, owning architecture, context, tooling, and orchestration end to end.
  • Designed and shipped IMS MCP servers exposing 30+ typed tools (entities, producers, financials, reports), bringing AI tooling to full parity with the core IMS platform API.
  • Architected multi-provider model routing with fallback chains tuned for cost, latency, and reliability across regulated insurance workflows.

Leonenko Group · Web & Mobile Studio

Feb 2026 – Present
Founding President
  • Designed, built, and shipped multiple AI products end to end as a solo founder: TeachStack, FaithWise, FleetRun, and DreamTide.
  • 2,100+ commits/year across 63 repositories; React / React Native / Next.js front ends on Node.js and Azure backends.

Scorebooker LLC · SportTech

May 2025 – Present
CTO & Founding Member
  • Set engineering and technology strategy as technical co-founder of an early-stage startup.
  • Own technical direction and product delivery for the live Scorebooker app.

Infodash · LegalTech

Sep – Dec 2025
Senior Platform Engineer (prev. M365 Consultant)
  • Delivered Azure and Power Automate platform work for enterprise clients.
  • Built Microsoft 365 and SharePoint solutions for enterprise legal environments.

Altera Digital Health · HealthTech

2020 – 2025
Software Engineer · SPFx (Contract)
  • Modernized legacy healthcare systems into microservices, improving uptime and deployment speed by ~40%.
  • Built SPFx solutions and document-automation workflows across Azure and REST APIs in a regulated, enterprise-scale environment.

CampSite · Camp Management SaaS

2014 – 2020
Full Stack Engineer (prev. Web Application Developer)
  • Built full-stack product features in PHP and SQL for a multi-tenant camp-management SaaS platform.
  • Supported the platform through its growth into a top market position.
AI / Agentic
MCP servers & tools Agent orchestration Model config & routing RAG & vector memory LLMs (Claude/OpenAI/Gemini) Azure OpenAI Local inference (Ollama) Evals & guardrails
Platform & Stack
TypeScript React / React Native Node.js Next.js Python Azure REST APIs SharePoint / SPFx Microsoft 365
Selected Live Builds
Balance Partners Platform
Northwell AI Studio
CampSite Platform
Scorebooker App
FaithWise App
Dreamtide App
Education
B.A.S, Management Information Systems
SUNY Old Westbury
A.A.S, Information Technology
Nassau Community College