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Rouhallah A.
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Rouhallah A.

Data and Software Engineer

I am an Engineer who has multidisciplinary experiences and is expert in Big Data Processing and API Development. I am experienced in creating and implementing scalable data architectures, developing and optimizing ETL (Extract, Transform, Load) processes, and ensuring data quality and integrity. I am also experienced in developing APIs and providing the best solutions for the tech problems.

🇩🇪Berlin, Germany$50/hr100% JSS5.00 (11)Since May 2024

Earnings and projects

MRR
$212

Last 6 months ÷ 6

World#111,391 / 412k
🇩🇪Country#839 / 3,842
Revenue, last 30 days
$530

Last 6 months: $1.3k

World#61,288 / 412k
🇩🇪Country#390 / 3,842
Total earnings
$6.8k

Billed in all: $6.9k

World#228,496 / 412k
🇩🇪Country#1,865 / 3,842
Per project
$341

$127 in the last 6 months

World#219,337 / 412k
🇩🇪Country#2,163 / 3,842
Projects, last 6 months
10
100% fixed0% hourly
World#18,298 / 412k
🇩🇪Country#145 / 3,842
Projects in all
20
95% fixed5% hourly
World#133,447 / 412k
🇩🇪Country#1,117 / 3,842

Earnings, last 30 days

$6.9k+$530 earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$6.0k$6.5k$7.0kOct 8Oct 23Nov 7

Skill rankings: Top 16% in Apache Spark

Ranked by MRR among everyone on Upwork with the skill.

  1. #8Apache Flink40 freelancers · 🇩🇪 #1Top 20%
  2. #36Scala215 freelancers · 🇩🇪 #1Top 17%
  3. #74Apache Spark467 freelancers · 🇩🇪 #1Top 16%
  4. #122Apache Airflow491 freelancers · 🇩🇪 #3Top 25%
  5. #174Elasticsearch946 freelancers · 🇩🇪 #2Top 18%
  6. #191Rust888 freelancers · 🇩🇪 #6Top 22%
  7. #395Spring Boot2,150 freelancers · 🇩🇪 #5Top 18%
  8. #688Kotlin3,021 freelancers · 🇩🇪 #5Top 23%