Joe Hentges

Senior Engineer at Swoop

Vendor-neutral, open-source architectures · Geospatial & graph visualization for mission-critical systems

About

Senior systems and platform technical lead who turns engineering decisions into measurable business impact, replacing costly proprietary SDKs with vendor-neutral, open-source systems and steering technical direction through leadership transitions, funding contractions, and high-risk vendor integrations. Deep expertise in high-performance geospatial and graph visualization for secure, mission-critical environments.

Experience

  1. 2025Present

    Senior Software Engineer · Swoop Technologies

    Technical Lead for frontend modernization on a 7-person team delivering real-time decision-making and analysis interfaces for defense-sector customers. Responsible for identifying and mitigating architectural risks during high-stakes vendor integrations and platform migrations.

  2. 20202025

    Dev Lead · Optum

    Led the frontend lifecycle of a multi-tenant healthcare platform supporting 300+ enterprise tenants. Successfully navigated the full product lifecycle from initial build through scale-out, managing technical direction through a critical funding contraction and leadership transition.

    • Azure
    • Java
    • Spring Boot
    • GraphQL
    • React
    • TypeScript
    • Next.js
    • Express.js
    • Storybook

Journal Entries

  1. Scrubbing a Graph Through Time

    Scrubbing a Graph Through Time

    Building a temporal graph data structure, and why its most useful feature is the part it refuses to do.

    • TypeScript
    • Data Structures
    • Temporal Graph
    • Event Sourcing
    • Graph Visualization
    • Library Design
    • API Design
    • Open Source
  2. Navigating the Beta - Validation Under Constraint

    Navigating the Beta - Validation Under Constraint

    An analysis of navigating high-stakes technical ambiguity by engineering a vendor-neutral abstraction layer to de-risk a pre-release geospatial engine under a strict 30-day validation window.

    • Geospatial Engineering
    • Mapbox
    • Mapbox Atlas
    • MapLibre
    • Air-Gapped
    • Vendor Validation