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Marcos M.
Expert-Vetted

Marcos M.

AI, Web & Mobile App Development | MVPs & Scalable Software

My clients’ apps have generated over $350M USD through revenue and venture capital investments. I’ve helped launch apps used by 8M+ people and earning more than 10K five-star reviews. With 100% Job Success, 4.9/5 across 171 Upwork reviews, 323 completed projects, and 15K+ hours, I help founders and businesses turn ideas into scalable AI, web, and mobile products. Have an innovative app idea, a prototype, or a business platform you want to bring to life? Whether you're starting with a simple concept or already experimenting with tools like Lovable, Bubble, Replit, or n8n, I can help turn your vision into something your customers will love to use. I help founders and businesses turn ideas into AI-powered products, internal tools, and scalable software, without wasting months or tens of thousands of dollars. Client results: • $350M+ raised by clients • 8M+ users on apps I designed and developed • 10K+ five-star reviews across apps built • Top 1% in App Design & Development on Upwork • Saved up to 50% of operational time for businesses A few years ago, I was sitting exactly where many of my clients are today: trying to turn an idea into an app. I was looking for freelancers, tried to build it myself and hired the wrong teams. It was a nightmare to say the least. After years of mistakes and learning to code, I finally launched SchooLinks, which grew into an Inc. 5000 company and raised over $90 million. Since then, I've helped more than 150 founders launch products across SaaS, marketplaces, AI tools, mobile apps, and internal platforms... some of which have made it to Forbes. Book your consultation today! I'll save you months of frustration by helping you understand the ins and outs of bringing an app / platform to life: How much it costs, how long it takes, what's the process and more. The apps I've built come in the form of: SaaS platforms, internal platforms, Mobile & web apps, Marketplace apps. Trusted By: Harvard, Samsung, Indeed, Yamaha, University of South Florida, and more. Technologies: OpenAI, Claude, Gemini, Flutter, Node.js, Angular, AWS, MongoDB, Figma If you're serious about building your app the right way, let's talk!

🇺🇸San Francisco, United States$65/hr100% JSS4.92 (171)Since Mar 2019
GlobeUpwork

Earnings and projects

MRR
$1.3k

Last 6 months ÷ 6

World#38,116 / 412k
🇺🇸Country#6,912 / 62.1k
Revenue, last 30 days
$5k

Last 6 months: $7.7k

World#5,547 / 412k
🇺🇸Country#1,792 / 62.1k
Total earnings
$1.28M

Billed in all: $1.29M

World#301 / 412k
🇺🇸Country#157 / 62.1k
Per project
$3.9k

$385 in the last 6 months

World#43,752 / 412k
🇺🇸Country#7,293 / 62.1k
Projects, last 6 months
20

Across 27 contracts

100% fixed0% hourly
World#6,057 / 412k
🇺🇸Country#1,043 / 62.1k
Projects in all
325

Across 394 contracts

73% fixed27% hourly
World#4,183 / 412k
🇺🇸Country#777 / 62.1k

Earnings, last 30 days

$1.29M+$5k earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$1.285M$1.290M$1.295MOct 8Oct 23Nov 7

Skill rankings: Top 9% in UI/UX Prototyping

Ranked by MRR among everyone on Upwork with the skill.

  1. #64User Authentication698 freelancers · 🇺🇸 #3Top 9%
  2. #91Mobile App Redesign693 freelancers · 🇺🇸 #12Top 13%
  3. #156App Design1,737 freelancers · 🇺🇸 #17Top 9%
  4. #383Software Development2,923 freelancers · 🇺🇸 #65Top 13%
  5. #390Mobile App3,535 freelancers · 🇺🇸 #60Top 11%
  6. #427iOS3,908 freelancers · 🇺🇸 #50Top 11%
  7. #463Mobile App Design5,198 freelancers · 🇺🇸 #45Top 9%
  8. #479Android4,975 freelancers · 🇺🇸 #49Top 10%