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Full Stack Engineer

Jess Mann.

I build practical software: AI automation for public services, mapping tools for explorers, and the infrastructure that keeps them running.

shipping software since
2007
of manual work automated with AI
14 yrs
client products led
20+
firefighters supervised
150+

Projects

Things I've built

Featured project

UrbanLens

A web mapping platform for photographers and urban explorers. A private map for pinning locations, keeping notes and photos, planning trips with friends, and pulling in outside context about the places worth visiting.

  • Django
  • PostGIS
  • HTMX
  • TypeScript
  • Celery
  • Leaflet
  • Layered maps, private pins, smart lists and saved filters
  • Trip planning with group voting and calendar sync
  • Safety check-ins that escalate to emergency contacts
  • End-to-end encrypted messaging
  • Location research from dozens of public data sources
  • Import and export: Google Takeout, GPX, KML, Shapefile and more

More on github.com/avranu.

Experience

Two decades of building things that work

From running my own development company to leading AI automation in state government, with plenty of ad-tech, e-commerce and emergency services along the way.

  1. 2022 – Present

    Team Lead / Full Stack Engineer

    NY State Office of the State Comptroller

    Leading an AI automation project for retirement case processing, built with Django, React and PostgreSQL on Azure Cognitive Services. Estimated to save seven years of manual work across 150 employees.

  2. 2014 – Present

    Captain / Training Officer

    Fort Johnson Volunteer Fire Co.

    Supervising 30 members and coordinating training. Built a PHP application that automates sensitive incident reporting to the state, saving 90 hours of manual work a year.

  3. 2008 – 2022

    Owner / Lead Developer

    Freelance Consultancy

    Ran a software development company delivering custom CMS, e-commerce and SEO work. Clients included General Electric, Angus Beef and the Australian Consulate.

  4. 2009 – 2011

    Lead Developer

    Web Instinct LLC

    Lead developer for more than 20 clients, including the frontend for an R&D project with General Electric.

  5. 2007 – 2008

    System Administrator / Developer

    MediaWhiz Holdings LLC

    Ran systems and development for three ad-serving products, improving network reliability and automating deployments.

About

Toolbox & everything else

Languages

  • Python
  • TypeScript
  • PHP
  • SQL
  • Java
  • C#
  • Sass

Frameworks

  • Django
  • React
  • WordPress
  • HTMX

AI & LLMs

  • Structured outputs
  • Tool calling
  • Agents
  • RAG
  • Vector search

DevOps

  • Docker
  • Kubernetes
  • Ansible
  • CI/CD
  • AWS
  • Azure
  • GCP

Data

  • PostgreSQL
  • PostGIS
  • MySQL
  • Oracle
  • Redis

Quality

  • TDD
  • pytest
  • Strict typing
  • Static analysis

Off the keyboard

  • Photography
  • Urban exploration
  • Brazilian jiu-jitsu
  • DIY

Languages

English
C2
Spanish
B1
French
A2

Let's connect.

The best way to reach me is a message on LinkedIn.

Message me on LinkedIn