Mark Gamble

Raleigh, NC · mhgamble1@gmail.com · LinkedIn · GitHub

Summary

Backend software engineer with 3 years of production experience in TypeScript, Python, and SQL across data modeling, API design, and zero-downtime deployment. Currently building with FastAPI and RAG/embeddings, targeting Python-forward backend and AI-adjacent roles.

Experience
RoadRunner Waste Management Remote
Software Engineer II May 2025 – Present
  • Contributed to IoT-to-CRM billing integration; owned IoT-side API layer for overages and contaminations with pagination and 90% test coverage; system automated 17k+ incidents/month (2.2x prior volume), drove ~$372k/month in additional billed revenue, and eliminated ~3,900 hours of manual work
  • Integrated platform with Databricks for ML-driven compactor fullness predictions from IoT camera images; implemented batching, observability instrumentation, and feature-flag controls for production rollout
  • Resolved 10+ second production delete latency on an 86M-row table by removing an auditing FK constraint and adding a targeted index
  • Surfaced hidden requirements in a data model ticket; designed and shipped a hashtag management system for 350+ users with a staged multi-deploy rollout across a 25k hits/day endpoint backed by ~4M records, with zero downtime and zero production incidents
  • Designed data model and co-built Hauler Bid Capture with a 3-engineer team across all layers (migrations, services, controllers, TypeScript/React frontend, 80%+ test coverage), tracking 6,000+ bids across 3,300+ scopes and surfacing a 20% kickback rate invisible to the pricing team
Software Engineer I Jan 2023 – May 2025
  • Instrumented logging, error tracking, and alerting across Rails services using DataDog, improving observability and incident response across production systems
  • Deployed to AWS production weekly; configured infrastructure in Terraform for monolith and microservices; managed CI/CD via GitHub Actions
  • Developed across Rails monolith, Node.js and Python microservices in Docker; collaborated with ML/pricing team on Python services
Roadway Management Technologies Remote
Software Engineer Intern May 2022 – Aug 2022
Education
Auburn University
B.S. Computer Science May 2021 – May 2023 · GPA 4.0
Skills

Languages & Frameworks · TypeScript/Node.js/JavaScript, Python, FastAPI, React, Ruby/Rails

Databases · PostgreSQL (schema design, query optimization, migrations), Redis

Tools & Practices · Docker, AWS (ECS, RDS, Lambda), Terraform, DataDog, REST APIs, GitHub Actions, CI/CD

Exploring · RAG/embeddings, LLM APIs, LangChain, Databricks, Go