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wallacepreston/README.md

Hi, I'm Preston Wallace 👋

Senior Full-Stack AI Software Engineer

I turn AI ideas into production-ready software. I build scalable SaaS products, AI agents, RAG workflows, backend services, data pipelines, and cloud infrastructure—always with a focus on measurable outcomes and systems teams can maintain long-term.

My approach combines product-minded engineering, end-to-end ownership, and clear communication. I work across the full software development lifecycle: understanding the business goal, shipping the smallest useful version, and hardening it for reliability and scale.

  • 🚀 Building full-stack SaaS and AI systems from idea to production
  • 🤖 Designing AI agents, RAG applications, document AI, and practical workflow automation
  • ⚡ Modernizing APIs, data flows, and event-driven backend systems for performance and scale
  • 🧩 Creating reusable frontends, design systems, and micro frontend architectures
  • ☁️ Owning cloud infrastructure, CI/CD, testing, observability, and production delivery
  • 🧑‍🏫 Leading engineering teams, mentoring developers, and teaching complex technical concepts clearly

Results

Tech and capabilities

AI and automation: OpenAI, Claude, Gemini, AI agents, LLM applications, RAG, vector search, OCR, n8n, human-in-the-loop workflows

Frontend: React, Next.js, TypeScript, micro frontends, design systems, backend-for-frontend architecture

Backend and data: Node.js, Python, GraphQL, REST APIs, PostgreSQL, MySQL, MongoDB, Prisma, event-driven systems

Cloud and delivery: AWS, GCP, Docker, Kubernetes, Terraform, CI/CD, testing, observability

Integrations: CRM, Slack, email, calendar, webhooks, and third-party APIs

What I care about

  • Product-minded engineering: solving real workflow and business problems—not building demos without a path to value
  • End-to-end ownership: carrying architecture, implementation, deployment, and handoff through to a production outcome
  • Pragmatic AI: combining deterministic software with AI where it adds leverage, keeping systems inspectable and people involved where judgment matters
  • Maintainable delivery: building reliable, tested systems that teams can own, operate, and extend

Explore my work

📫 wallace.preston@gmail.com

Pinned Loading

  1. react-seo-demo react-seo-demo Public

    JavaScript 55 22

  2. react-seo-demo-ssr react-seo-demo-ssr Public

    JavaScript 13 9

  3. example-tech example-tech Public

    Links to demo apps using tech I like to work with