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Maurice O.
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Maurice O.

Full stack AI Developer | Lovable, v0 | Production Readiness

I’m Maurice, a software developer and embedded systems engineer with a strong foundation in backend development, API integration, DevSecOps, and real-time software systems. I work with technologies including C/C++, TypeScript, JavaScript, React, SQL, REST APIs, FreeRTOS, and embedded communication protocols, building reliable software across web, backend, and connected-device environments. As part of DevOnCall, I work alongside an Expert-Vetted team with 20+ years of software development experience delivering secure, scalable solutions across backend systems, frontend applications, APIs, cloud infrastructure, CMS platforms, and DevSecOps. The team has a strong track record of supporting projects of different sizes and technical complexities, from custom applications and integrations to enterprise-grade platforms. My own technical strength lies in developing software that connects multiple layers of a system—from backend services and APIs to embedded firmware, device communication, and real-time control. I’m experienced in C/C++ firmware development, FreeRTOS, device drivers, UART, SPI, I2C, timers, ADC/DAC, debugging, and hardware-software integration. I enjoy solving complex technical problems, writing clean and maintainable code, and working with teams to turn requirements into secure, efficient, and production-ready software solutions.

🇺🇸Philadelphia, United States$70/hr95% JSSSince Jul 2026

Earnings and projects

MRR
$462

Last 6 months ÷ 2.1 months active (since Sep 2026)

World#81,232 / 412k
🇺🇸Country#12,003 / 62.1k
Revenue, last 30 days
$0

Last 6 months: $989

Total earnings
$1k
World#394,553 / 412k
🇺🇸Country#60,138 / 62.1k
Per project
$1k

$989 in the last 6 months

World#123,934 / 412k
🇺🇸Country#21,122 / 62.1k
Projects, last 6 months
1
100% fixed0% hourly
World#128,092 / 412k
🇺🇸Country#16,472 / 62.1k
Projects in all
1
100% fixed0% hourly
World#360,671 / 412k
🇺🇸Country#53,151 / 62.1k

Earnings, last 30 days

$1kNothing earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$990$1,000$1,010Oct 8Oct 23Nov 7

Skill rankings: Top 14% in HTML5

Ranked by MRR among everyone on Upwork with the skill.

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  5. #319Embedded System1,256 freelancers · 🇺🇸 #72Top 25%
  6. #2,068HTML514,581 freelancers · 🇺🇸 #194Top 14%
  7. #3,518Next.js15,954 freelancers · 🇺🇸 #325Top 22%
  8. #4,818Web Design26,714 freelancers · 🇺🇸 #748Top 18%