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Mehmet O.

Mehmet O.

Senior Backend Developer (Java,Python,Node,PHP)

I am a Senior Web Application Developer with 14 years experience and a B.S. in Computer Science from Bilkent University. My experience includes projects with different scale on different programming languages. I have developed different frameworks for common modules of Web Applications. For the last 5 years, I have worked on dozens of different web apps of different scale from 15K to 2M logical lines of code. On the client side, I have been coding with AngularJS since 2013. I have developed over 60+ directives with it including a complex map, Gantt, tree, master-detail directives. I have been using VueJS over 5 years with the latest addition of Nuxt as the renderer behind. I have successfully completed a chat integration (Converse.js + embedded Apache Vysper), workflow integration (embedded Activiti), Amazon S3, Azure Storage, Youtube Video API, Google Maps, Google Speech API, Clarifai Image API. I have experience and have developed in the cluster environment of a J2EE Web App on Wildfly Server with Amazon EC2 and ELB environment. I have used Amazon RDS, ELB, EC2 and S3 for our clustered web applications. I am also interested in BigData and NLP projects. I have worked as a lead and product manager of a big data team. In my last project set up the necessary environment for Hadoop, Hive, Flume and Spark for the streaming data operations. On Spark, we have been applying ML algorithms on the streaming data which is provided by Flume clients and process the data and store it on Hive. Also, we are listening to some social media APIs and store the data to make NLP analysis Finally, for the last 3 years, I have been working as a remote Senior Fullstack Developer for a large scale microservice architectured web application with over 10 million active users. I have been using Java with Dropwizard, and PHP+Angular+Vue for the frontend technology stack.

🇹🇷Ankara, Turkey$100/hr100% JSS5.00 (14)Since Oct 2016

Earnings and projects

MRR (estimate)
≈$0

An estimate from an earlier read

World#11,426 / 412k
🇹🇷Country#83 / 3,515
Revenue, last 30 days
$0
Total earnings
$240k

Billed in all: $242k

World#11,426 / 412k
🇹🇷Country#83 / 3,515
Per project
$22k
Projects, last 6 months
0
World#209,850 / 412k
🇹🇷Country#1,674 / 3,515
Projects in all
11

Across 16 contracts

19% fixed81% hourly
World#192,417 / 412k
🇹🇷Country#1,589 / 3,515

Earnings, last 30 days

$242kNothing earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$237.5k$240.0k$242.5k$245.0kOct 9Oct 24Nov 8

No data since Nov 5, 2026.

Skills