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Daniel M.

Daniel M.

Full-Stack Product Engineer | AI, Web Apps & Systems Programming

I build entire products from scratch. Design, frontend, backend, infrastructure, deployment. Recent work: an LLVM code obfuscation suite with a bytecode VM (23K lines of C++, built in 30 days), a multiplayer game server in async Rust with custom binary protocols, zero-trust certificate auth, and a matchmaking rating system I designed from the ground up. An AI agent that automates reverse engineering through IDA Pro. A writing analytics SaaS with Google Docs integration, OpenAI/Anthropic APIs, and Stripe billing. I work across the stack because most projects need someone who can. TypeScript, React, Python, C, C++, Rust, Node, Postgres, Redis, Docker. I pick based on what the project needs. If you need something built end to end and shipped, that's what I do. I'll tell you what's realistic before I start, and I'll tell you when something isn't working instead of burning hours on it.

🇺🇸San Francisco, United States$90/hr40% JSSSince Feb 2026

Earnings and projects

MRR
$4.5k

Last 6 months ÷ 5 months active (since Jun 2026)

World#6,628 / 412k
🇺🇸Country#2,121 / 62.1k
Revenue, last 30 days
$0

Last 6 months: $22k

Total earnings
$23k

Billed in all: $23k

World#131,608 / 412k
🇺🇸Country#22,040 / 62.1k
Per project
$11k

$11k in the last 6 months

World#13,750 / 412k
🇺🇸Country#2,343 / 62.1k
Projects, last 6 months
2
100% fixed0% hourly
World#88,918 / 412k
🇺🇸Country#11,762 / 62.1k
Projects in all
2
100% fixed0% hourly
World#328,886 / 412k
🇺🇸Country#47,959 / 62.1k

Earnings, last 30 days

$22.5kNothing earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$22,250$22,500$22,750$23,000Oct 8Oct 23Nov 7

Skill rankings: Top 2% in Web Development

Ranked by MRR among everyone on Upwork with the skill.

  1. #9Cybersecurity Tool201 freelancers · 🇺🇸 #3Top 4%
  2. #16Systems Engineering226 freelancers · 🇺🇸 #7Top 7%
  3. #22Reverse Engineering721 freelancers · 🇺🇸 #7Top 3%
  4. #27Rust888 freelancers · 🇺🇸 #9Top 3%
  5. #50C1,974 freelancers · 🇺🇸 #7Top 3%
  6. #77Linux3,038 freelancers · 🇺🇸 #13Top 3%
  7. #120C++4,442 freelancers · 🇺🇸 #27Top 3%
  8. #247API Development6,848 freelancers · 🇺🇸 #52Top 4%