Voice AI
Vesper
A voice-powered AI tool that helps people reframe self-limiting narratives in real time. Born in an accelerator, built on Next.js, Postgres, and streaming LLMs.
Open VesperBilly Fisher · Platform Engineer & Builder
I simplify the complex, so you don't have to.
I'm Billy Fisher — the platform engineer behind systems at Nike, US Bank, and high-growth startups. I know exactly what it takes to scale from idea to production, for any number of customers you need.
Now I'm teaching busy people and business owners how to simplify their work through apps, websites, analytics, and AI.
- 18+ years in production
- 200+ teams served
- Live products you can try today
Trusted by 200+ engineering teams
- 99.999% uptime targets
- Millions req/min
- 400% deploy velocity
The track record
Boring reliability. Exciting results.
The numbers behind 18 years of keeping other people's systems fast, safe, and shipping.
18+years of platform engineering, from casino floors to global commerce
200+engineering teams served on a least-privilege platform at Nike
98%reduction in mean-time-to-recovery through automated GitOps pipelines
400%increase in daily deployments with 308+ ephemeral CI runners
6 days → 2 minPostgreSQL replication lag cut with custom live-rollback tooling
95%faster flagship product installs via a self-learning DevOps engine
Live projects
Things I've shipped that you can try right now
I don't just advise — I build and operate my own products, end to end.
Mobile + Commerce
FlipWorth
Point your phone at any thrift find and instantly see resale value, profit after fees, and how to flip it. A full funnel: landing, analytics, payments, monitoring.
Open FlipWorthLearning platform
curious.billyjf.com
Courses that teach business owners to put AI and SEO analytics to work — starting with GPT, Perplexity, Claude, and Gemini, wired to real data.
First course detailsWork with me
Two ways to put 18 years of platform engineering on your side
Limited seats
Fractional Platform Retainer
from $3,350/mo
Your on-call staff engineer without the headcount. DevOps and platform engineering, app and website development, cloud migrations, CI/CD, and the analytics to prove it's working.
- Kubernetes, Terraform, AWS — modernized and maintained
- Apps and websites shipped to production, not to a backlog
- Cloud migrations with zero-downtime track record
- Weekly async updates your whole team can read
Fastest way to start
Website, SEO & Metrics Audit
$100 webinar
A live working session on your actual site. You leave with a prioritized fix list — the same checklist that takes my own properties to 100% Ahrefs health scores.
- Site speed, structure, and technical SEO review
- Analytics setup check: what you're measuring vs. what matters
- Lead capture and conversion walkthrough
- Recording and action list included
First course · In the works
AI + SEO foundations for business owners
Whatever AI your business already uses — GPT, Perplexity, Claude, or Gemini — this course shows you how to connect it to real SEO data: DataForSEO, Umami analytics, Google Search Console, and Ahrefs, set up step by step. Launching on curious.billyjf.com, with long-form experiments on YouTube first.
What people are saying
From the people who've shipped with me
Pulled from public LinkedIn recommendations — managers, directors, and teammates across 18 years.
"Billy is a force multiplier to any team he joins… A total package of an engineer. Listen and trust Billy — if you do, your organization will be better for it."
"Through Billy's work we reduced the time to install one of our flagship products by over 95%… Wherever he is, it will be an exciting and challenging environment."
"He effectively evangelized infrastructure as code… the most impressive part is that he convinced many skeptical internal leaders that this was both valuable and maintainable."
"A tireless champion of operational excellence, able to push back against organizational inertia with well-considered technical solutions."
"Billy is a fantastic platform engineer that truly cares about those around him… an inspiration for what it means to be a great engineer."
"He has strong technical skills and more importantly he can teach those skills to others… I would absolutely work with Billy again."