Andre D. Spencer

Senior Full-Stack Product Engineer · React & Next.js · Python & FastAPI · Native iOS · AI-Native Development

Alpharetta, GA (Atlanta) · (470) 789-1008 · andrespencer.dev@gmail.com · github.com/adswebwork · labs.s24defi.com

Summary

Full-stack engineer with 19 years shipping production web applications, including three and a half years building React ordering experiences at Wawa for a 1,000+ store chain. Works end to end, from React and Next.js front ends to Python and FastAPI services on PostgreSQL, and since 2021 has shipped an App Store iOS app, a Vercel-hosted service business and an autonomous trading system through S24DeFi Labs. Builds AI-first, with Claude Code and GitHub Copilot as daily tools and responsibility for what ships.

Career highlights

Experience

Wawa, Inc. · Senior Software Engineer

Remote · February 2023 to August 2026

Customer-facing digital commerce for a 1,000+ store retail chain serving millions of customers: web ordering, catering and the in-store kiosk.

Responsibilities

  • Delivered React and TypeScript features across the web ordering, catering and in-store kiosk surfaces, integrated with REST and GraphQL services in a Dockerized microservices environment and shipped through GitHub Actions CI/CD.
  • Contributed to the shared design system and component library, standardizing UI patterns across ordering, catering and kiosk.
  • Partnered with Product and Design through ambiguous requirements on an 8-engineer Scrum team, delivering features and releases against a shared cadence.
  • Instrumented and analyzed application metrics in Datadog, turning observability data into performance and reliability work.

Key achievements

  • Built out the Playwright and Cucumber BDD suite for catering and web ordering.
  • Improved site load time 5% through targeted performance work on the ordering flow.

Cox Communications · Senior Software Consultant

Remote · March 2020 to January 2023

  • Delivered production features from InVision designs into Adobe Target and Adobe Experience Manager across Cox Business and Residential properties, including experiments analyzed to guide iteration.
  • Rewrote the JavaScript behind high-traffic Pardot lead-generation forms to cut page load time.

Chase / Bridge2Solutions · UI Technical Lead

Alpharetta, GA · January 2014 to February 2020

Chase Ultimate Rewards, a consumer rewards and redemption platform. Bridge2Solutions was acquired by Intercontinental Exchange (NYSE: ICE) in 2020.

Responsibilities

  • Set technical direction for 4 onshore and 16 offshore UI and Java developers building Chase Ultimate Rewards, held through influence rather than reporting authority.
  • Built the internal UX/UI debugging tool the 20-person team used daily.
  • Set and enforced W3C/ADA AA accessibility standards across the enterprise Angular platform.

Earlier experience

Independent work

S24DeFi Labs · Senior Software Engineer & Founder

Alpharetta, GA (Remote) · 2021 to present

Independent product studio shipping live web applications, mobile apps and autonomous systems end to end. labs.s24defi.com · github.com/adswebwork

  • algo_bot: Autonomous trading platform in Python. Six broker integrations behind one factory, an LLM sentiment signal, per-trade, exposure and daily-loss limits, a three-path kill switch and an append-only audit of every automated decision. Safe by default: paper and testnet execution unless live trading is explicitly enabled. Technical lead and primary author.
  • Command center and CI: FastAPI and WebSocket control service with token-based REST and WebSocket authentication and a strict origin allowlist. CI runs pytest with coverage, ruff, black, dependency auditing and changelog enforcement, with Prometheus and Grafana observability.
  • AI-assisted PR review pipeline and developer automation CLI: Structured review workflow built around Claude Code and GitHub Copilot, plus a 170+ command shell toolkit being packaged as an installable CLI.
  • webui-lib-findings-service: Ingests scanner results without creating duplicates when the same report arrives twice. Python, FastAPI, PostgreSQL, Docker. Pytest suite runs against a real database in GitHub Actions CI, and the README documents the design.
  • webui-app-hdsh: Monitoring-first smart-shelter controller built on Vite, shipping AGENTS.md and CLAUDE.md so AI coding agents follow the project's conventions.
  • webui-lib-bdd-framework: BDD library for measuring and asserting application performance inside the test suite. Playwright, Cucumber, TypeScript, Node.js. Created in 2026.
  • Stewards.Digital: Website audit and rebuild service for non-profits, with fixed-price tiers and audit-request intake. Next.js, React and TypeScript, live on Vercel.
  • SkillSprouts (App Store · web app): Native iPhone app in Swift, published to the Apple App Store, plus a mobile-friendly web app. Children check off chores behind their own PIN, parents confirm, and stars build to badges. Local-first, no accounts, no ads; monthly, annual and lifetime tiers via in-app purchase.
  • Little Trail Pals (Amazon KDP): Published 24-scene children's coloring book, live and taking orders, produced with a part-automated, AI-assisted pipeline for interiors and print-ready assembly.

Education

Bachelor of Fine Arts, Computer Graphics · New York Institute of Technology, Old Westbury, NY

Key skills & tools

Frontend & Mobile
React · Next.js · TypeScript · JavaScript (ES6+) · HTML5 · CSS/SCSS · Vite · Design systems · Accessibility (WCAG, ADA AA, Section 508) · Swift · Native iOS · App Store release
Backend & Data
Python · FastAPI · Node.js · Express · REST · GraphQL · WebSockets · PostgreSQL · MongoDB · SQLite · Data model and API contract design
Quality & Delivery
Playwright · Cucumber/BDD · Jest · React Testing Library · pytest · GitHub Actions CI/CD · Docker · Vercel · AWS Lambda
AI & Observability
Claude Code · GitHub Copilot · AGENTS.md / CLAUDE.md conventions · LLM API integration · AI-assisted PR review · Datadog · Prometheus · Grafana