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Saif J.

Saif J.

Flutter & Next.js Developer | Industrial Apps, 3D/AR & Cloud

I build cross-platform apps for industrial teams, and I’ve shipped them in production. At One Motion I built a Flutter and Next.js app that gives technicians access to records for thousands of industrial motors. Google ML Kit label scanning pulls a motor’s data in under 10 seconds, and a QR asset-identification flow opens a machine’s maintenance history from the backend API. I also build the web side: Next.js sites with 3D models converted from STEP CAD files, a product configurator, and APIs fed by Quickbase. At INDAUTECH I was the sole developer on a robot-cell automation system: a SCARA robot, barcode scanning and Siemens TIA Portal PLC control for pick-and-place. I connected it to web dashboards over REST APIs, so operators can monitor the whole line from a browser. I also build AR: a multiplayer mobile AR game with Unity, Photon and Vuforia, and an AR-enhanced industrial monitoring app. Cloud and DevOps are my second strength: AWS infrastructure in Terraform, GitHub Actions deployments that sign in to AWS with OIDC (no stored keys), and a private OpenStack cloud monitored with Prometheus and Grafana. Send me the platforms, any existing code, and any device or integration constraints. I’ll reply with a plan and a quote.

🇹🇳Grombalia, Tunisia$30/hr100% JSSSince Jun 2023

Earnings and projects

MRR
$819

Last 6 months ÷ 5.8 months active (since May 2026)

World#56,936 / 412k
🇹🇳Country#153 / 1,246
Revenue, last 30 days
$800

Last 6 months: $4.7k

World#49,799 / 412k
🇹🇳Country#143 / 1,246
Total earnings
$4.8k
World#258,213 / 412k
🇹🇳Country#731 / 1,246
Per project
$4.8k

$4.7k in the last 6 months

World#36,244 / 412k
🇹🇳Country#91 / 1,246
Projects, last 6 months
1
100% fixed0% hourly
World#128,096 / 412k
🇹🇳Country#398 / 1,246
Projects in all
1
100% fixed0% hourly
World#360,675 / 412k
🇹🇳Country#1,108 / 1,246

Earnings, last 30 days

$4.8k+$800 earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$4.0k$4.5k$5.0kOct 9Oct 24Nov 8

Skill rankings: Top 11% in Java

Ranked by MRR among everyone on Upwork with the skill.

  1. #9Vuforia73 freelancers · 🇹🇳 #1Top 12%
  2. #45PLC Programming290 freelancers · 🇹🇳 #2Top 16%
  3. #100Three.js703 freelancers · 🇹🇳 #1Top 14%
  4. #280Terraform2,052 freelancers · 🇹🇳 #7Top 14%
  5. #294Dart2,324 freelancers · 🇹🇳 #2Top 13%
  6. #329GitHub2,823 freelancers · 🇹🇳 #2Top 12%
  7. #346Unity2,992 freelancers · 🇹🇳 #4Top 12%
  8. #929Java8,313 freelancers · 🇹🇳 #12Top 11%