Available for hire — replies in 24h
Hire a developer who ships.
Jake Viefhaus (pwn4g3) — full-stack developer, St. Louis MO · remote OK · @geekhaus314
Production websites, online stores, and booking systems for local businesses — plus the APIs and infrastructure behind them. Every project below is live: click through and kick the tires before you ever email me.
- 3 production sites live
- 24h quote turnaround
- 3.9 GPA · CS / Cybersecurity
- You own the code
Proof, not promises
Live client and production work — green badge means you can open it right now. Browse all 12 projects →
Fixed price, no mystery invoices
Launch sites from $1,200 · custom apps from $2,800 · ongoing engineering partnerships. Full pricing →
Web Applications
Fast, responsive products built with modern React and Next.js architectures.
From $1,200APIs & Backend
Typed APIs, middleware, workers, integrations, databases, and service architecture.
From $1,200Automation & AI
Workflow automation and AI-enabled systems designed around real business processes.
From $1,200Hardened, not hopeful
Cybersecurity engineering student (3.9 GPA) doing bug-bounty recon and audits. Your app ships with the attack surface already mapped. Try the live analyzer →
Breaking things to build better ones
Bug bounty reconnaissance, smart contract auditing, application hardening — running live on my own edge infrastructure. Paste a contract, watch a real worker audit it.
- Bug bounty reconnaissance & ASM
- Smart contract auditing (Viper-Web3)
- Web application security testing
I rescued a dead client site in one day
A St. Louis clinic's website went completely dark. By evening it was live again — faster, on a custom domain, taking bookings. Here's exactly what I did.
Read →2026-09-12What a $1,200 website actually includes
No mystery invoices. Here is the itemized anatomy of a launch site — every page, integration, and guarantee, priced in public.
Read →2026-09-15This portfolio runs on its own edge network
The page you are reading is the demo: SvelteKit frontend, a gateway-routed worker fleet, queues, D1, R2. Your project would ship on the same steel.
Read →One email starts it
Full-time roles, part-time IT and security work, freelance builds.
Engineer + security mind, one inbox away.
To build a career at the intersection of full-stack development and cybersecurity — engineering secure, reliable web applications and infrastructure, while growing into security engineering and penetration testing. Currently finishing my B.S. in Computer Science / Cybersecurity Engineering (3.9 GPA, Dean's List every quarter, two semesters remaining) and open to part-time IT, web development, and security roles.
- Reply within 24 hours, quote with fixed scope
- You own the code — transferred on final payment
- Direct line to the engineer, no middlemen
I build things that work — where product meets infrastructure and security.
pwn4g3 · Jake Viefhaus · St. Louis, MO