Doğan Uçar
CEO, Software Developer at Ucar Solutions UG
Hesse, Germany
Summary
👤
Senior🎓
Top SchoolDoğan Uçar is a CEO and senior software developer with eight years of full-stack experience building backend systems, mobile apps for German insurers, and comparison-portal services. He founded Ucar Solutions in 2022 to bring his passion for clean, efficient code and open-source collaboration to commercial clients. Previously he contributed at CHECK24 and equensWorldline, and worked on recommendation engines at Nextcloud, combining practical product delivery with algorithmic features. On GitHub he maintains PHPAlgorithms, implementing and refactoring classical data structures and sorting algorithms inspired by "Cracking the Coding Interview," reflecting a strong foundation in algorithmic thinking. Based in Hesse, Germany, he pairs an MS in Intelligent Accessible Systems with hands-on consultancy experience, and outside work he pursues hobby photography, hinting at a design-oriented eye for detail.
8 years of coding experience
9 years of employment as a software developer
Master of Science - MS Barrierefreie Systeme - Intelligente Systeme, Master of Science - MS Barrierefreie Systeme - Intelligente Systeme at Frankfurt University of Applied Sciences
German, English, Turkish, Kurdish
Stackoverflow
176reputation
28kreached
24answers
11questions
Github Skills (20)
sorting-algorithms10
algorithms10
stack10
data-structure10
hashmap10
php10
linked-list10
data-structures10
queue10
binary-tree10
binary-search-tree9
red-black-tree9
trie8
frontend6
recursion6
Programming languages (8)
Github contributions (5)
doganoo/PHPAlgorithms
Feb 2018 - May 2022
A collection of common algorithms implemented in PHP. The collection is based on "Cracking the Coding Interview" by Gayle Laakmann McDowell
Role in this project:
Back-end Developer
Back-end DeveloperContributions:42 releases, 3 reviews, 154 commits in 4 years 3 months
Contributions summary:Doğan primarily contributed to the implementation of common algorithms in PHP, based on the "Cracking the Coding Interview" book. Their work involved implementing and refactoring various data structures and algorithms such as linked lists, hash maps, stacks, queues, trees (including binary search trees and red-black trees), and sorting algorithms (including bubble sort, merge sort, quick sort, insertion sort, and TimSort). The user also implemented data structure entities such as trie.
datastructuresphpcracking-the-coding-interviewlistsphp7
doganoo/INotify
Dec 2018 - Oct 2021
Simple and Leightweight library for notification services, such as email, push, sms, etc
Contributions:11 releases, 37 commits, 2 PRs in 2 years 10 months
sms-gatewaypushsms-messagesemailsms
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