Can Celebi - Backend development, consulting

Q: Where is Can based?

Can is based in Werdohl, Germany and can operate in on-site , hybrid , and remote work models.

Q: What languages does Can speak?

Can speaks the following languages: German (Native), Turkish (Native), English (Advanced) .

Q: How many years of experience does Can have?

Can has at least 19 years of experience. During this time, Can has worked in at least 16 different roles and for 12 different companies . The average length of individual experience is 1 year and 2 months . Note that Can may not have shared all experience and actually has more experience.

Q: What is Can's latest experience?

Can's most recent position is Backend development, consulting at Kloppe Media GmbH .

Q: What companies has Can worked for in recent years?

In recent years, Can has worked for Kloppe Media GmbH , IU Internationale Hochschule - IU Group N.V. , A-Z Gartenhaus GmbH , Shrainz.com , and Shreddedbrothers.com .

Q: Which industries is Can most experienced in?

Can is most experienced in industries like Information Technology (IT) , Retail , and Sport and Recreation . Can also has some experience in Telecommunication , Education , and Healthcare .

Q: Which business areas is Can most experienced in?

Can is most experienced in business areas like Information Technology (IT) , Product Development , and Marketing . Can also has some experience in Project Management and Research and Development (R&D) .

Q: Which industries has Can worked in recently?

Can has recently worked in industries like Information Technology (IT) , Retail , and Sport and Recreation .

Q: Which business areas has Can worked in recently?

Can has recently worked in business areas like Information Technology (IT) , Product Development , and Marketing .

Recommended expert

Werdohl, Germany

Experience

Jan 2023 - Present

3 years 2 months

Backend development, consulting

Kloppe Media GmbH

Development and implementation of APIs and SDKs for online services in the telecom environment
Platform improvements and development of new features for comprehensive telecom solutions

Jan 2022 - Jul 2022

7 months

Fullstack developer (freelance)

IU Internationale Hochschule - IU Group N.V.

Development of an applicant platform using PHP 8, JavaScript, Laravel 9, Vue.js 3, Tailwind 3
Deployment on AWS
Database with synchronization to Salesforce and event sourcing
High-performance application with middleware functions and API endpoints
Dynamic profile generator with live view
Matching portal for capturing questions and metrics
High test coverage in front and backend
Close collaboration with the design team via Figma
Implementation in Vue.js for B2B and B2C portals

Jun 2021 - Present

4 years 9 months

Backend development, frontend development, SEO adjustments, plugin development, web vitals, internationalization, consulting

A-Z Gartenhaus GmbH

Development of various plugins using PHP, Shopware 5, Vue.js, MySQL, and Docker
Consulting on internationalization and technical SEO
Conducting code reviews and approvals within the company

Apr 2020 - Present

5 years 11 months

Freelancer

Extensions for e-commerce platforms and websites
Custom web applications frontend + backend
SEO & SEA strategies and implementation
Development of AI systems
App development
Network administration

Jan 2019 - Present

7 years 2 months

Architecture, leadership, and development

Shrainz.com

Development of a custom e-commerce software solution with a large user base using Laravel with Redis and MySQL in the backend and HTML, JavaScript, Vue.js, Tailwind in the frontend
Complete rebuild of the admin panel and shop frontend
Implementation of an automated process for label printing and forwarding address data to shipping providers
Deployment on a dedicated server and maintenance
Focus on high performance for up to 2,000 simultaneous purchases

Jan 2019 - Present

7 years 2 months

Architecture, leadership and development

Shreddedbrothers.com

Developed an AI-driven fitness platform for influencers with user management, internal chat and AI-based plan generation
Used Laravel, PHP, Vue.js, Bootstrap, HTML, CSS, Python, MongoDB, MySQL
Developed and managed the SEO strategy
Deployed and maintained the platform
Scaled it to the largest Turkish fitness platform with 1,000,000 subscribers and personalized nutrition and training plans
Implemented caching strategies for performance optimization

Jan 2019 - Dec 2019

1 year

Co-owner, management and development, SEO + SEA

Spiegelando.de

Created the online shop with xt-Commerce, independently developed the frontend using JavaScript, CSS and HTML
Migrated to Shopware and integrated the generic product configurator
Optimized SEO and SEA
Server administration

Jan 2018 - Dec 2020

3 years

Extension of generic product configurator for Shopware 5

Jan 2018 - Dec 2020

3 years

Generic product configurator

Developed a generic product configurator with Laravel and PHP
REST API interface and admin area for managing product information and conditions
Step-by-step process for users to choose configurations with dynamically generated images and prices
Generated a unique product code for support purposes and integrated it into the shop plugin
Deployed with Plesk and Ubuntu in a Docker environment, set up GIT webhooks

Jan 2018 - Dec 2020

3 years

Architect, lead and developer

Generic Product Designer

Developed a solution to connect a designer to e-commerce platforms (Shopware, WooCommerce) via plugin using REST API
Displayed the designer in the front end with JavaScript
Managed data such as measurements, base image and product configurations via the backend
Provided interactive editing of areas, adding/removing text, logos, etc.

Nov 2017 - Jan 2020

2 years 3 months

Lead Software Developer

Bittner Bauelemente GmbH

In-house development of content management systems
Development of extensions for Shopware 5
Development of extensions for Plentymarkets
Frontend and backend web applications
Scrum Master (Agile software development)

Apr 2017 - Oct 2017

7 months

Research Associate in Programming

TU Dortmund, Faculty of Computer Science, Chair of Software Engineering

Development of new programs and extension of existing ones
Web applications
CMS extensions

Feb 2016 - Feb 2017

1 year 1 month

Architecture and Implementation Team Lead (Back-End)

In4All

Building an online platform for math and computer science learning materials
Development of a back end with interactive questionnaires and a question system for automatic evaluation (cloze, multiple-choice, etc.)
Implementation of a user-friendly interface for authentication, management, and compression of content
Focus on intuitiveness and user-friendliness for effective management

Feb 2015 - Jun 2015

5 months

Bachelor Thesis

Development of a MediaWiki questionnaire extension for music therapy for children with ADHD
Using PHP, HTML, CSS

Mar 2010 - Present

16 years

Self-Employed

Software development
Consulting
Partner in various companies offering SaaS and e-commerce products

Jan 2007 - Present

19 years 2 months

Co-owner, architecture, management and development

CandiSoft

Freeware software to automate file downloads from file hosts
Detection of download archives for guest and premium users, with automatic downloading
Integrated decrypter for encrypted links and image recognition interface for free accounts
Reconnect feature to download with a new IP address
Opening container files and automatic extraction
Plugin system from version 3 for developing custom plugins
Runs on Microsoft Windows operating systems
500,000–1,000,000 users at peak, translated into 8 languages, listed and tested by leading tech publications

Industries Experience

See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.

Experienced in Information Technology (19 years), Retail (16 years), Sport (7 years), Telecommunication (3 years), Education (2 years), and Healthcare (0.5 years).

Information Technology

Retail

Sport

Telecommunication

Education

Healthcare

Business Areas Experience

The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.

Experienced in Information Technology (19 years), Product Development (19 years), Marketing (7 years), Project Management (2 years), and Research and Development (0.5 years).

Information Technology

Product Development

Marketing

Project Management

Research and Development

Skills

Process Models

Scrum
Kanban

Version Control

Deployment Ci/cd

Docker
Jenkins

Analysis Tools And Testing

Cypress
Phpunit
Phpstan
Php Insights
Php Cs Fixer
Eslint

Operating Systems

Macos
Linux/unix
Ios
Android
Windows 2000/xp/7/8/10/11

Programming Languages

Php
Javascript
Java
Delphi/pascal
C/c++
Python
Haskell

Web Technologies

Html
Css
Blade
Twig
Pug
Smarty
Xml
Json
Jquery

Frameworks

Laravel
Symfony
Vue.js
Nuxt.js
Node.js
Express.js
Bootstrap
Tailwind
Vuetify

Databases

Mysql
Mongodb
Redis
Elasticsearch
Salesforce

Machine Learning / Artificial Intelligence

Artificial Neural Networks
Scikit-learn
Tensorflow

Content Management Systems

Wordpress
Mediawiki
Joomla

E-commerce

Shopware 5
Shopware 6
Magento
Plentymarkets

Marketing

Keyword Analysis
Content Analysis
On-page Optimization
Adwords
Social Marketing (Facebook Business)
Google Analytics

Ides

Intellij
Webstorm
Phpstorm
Eclipse
Android Studio
Visual Studio
Lazarus
Delphi
Xcode
Ms Studio

Cloud

Aws Cloud

Other

Restful Web Services (Api)
Domain-driven Design
Mvc
Postman
Figma
Metabase
Ms Office
Latex
Uml
Bitbucket
Jira
Confluence
Cpanel

Languages

German

Native

Turkish

Native

English

Advanced

Education

Oct 2011 - Apr 2015

TU Dortmund

Bachelor of Science · (Core) Computer Science · Dortmund, Germany

Oct 2007 - Jun 2010

Bergstadtgymnasium

German high school diploma · High School · Lüdenscheid, Germany

Oct 2001 - Jun 2007

Städtische Realschule

Secondary school certificate with qualification · Secondary School · Werdohl, Germany

...and 1 more

Certifications & licenses

Scrum Workshop

Profile

Created

April 2024

Last Update

May 2025

Need a freelancer? Find your match in seconds.

Try FRATCH GPT

Frequently asked questions

Do you have questions? Here you can find further information.

Where is Can based?

Can is based in Werdohl, Germany and can operate in on-site, hybrid, and remote work models.

What languages does Can speak?

Can speaks the following languages: German (Native), Turkish (Native), English (Advanced).

How many years of experience does Can have?

Can has at least 19 years of experience. During this time, Can has worked in at least 16 different roles and for 12 different companies. The average length of individual experience is 1 year and 2 months. Note that Can may not have shared all experience and actually has more experience.

What roles would Can be best suited for?

Based on recent experience, Can would be well-suited for roles such as: Backend development, consulting, Fullstack developer (freelance), Backend development, frontend development, SEO adjustments, plugin development, web vitals, internationalization, consulting.

What is Can's latest experience?

Can's most recent position is Backend development, consulting at Kloppe Media GmbH.

What companies has Can worked for in recent years?

In recent years, Can has worked for Kloppe Media GmbH, IU Internationale Hochschule - IU Group N.V., A-Z Gartenhaus GmbH, Shrainz.com, and Shreddedbrothers.com.

Which industries is Can most experienced in?

Can is most experienced in industries like Information Technology (IT), Retail, and Sport and Recreation. Can also has some experience in Telecommunication, Education, and Healthcare.

Which business areas is Can most experienced in?

Can is most experienced in business areas like Information Technology (IT), Product Development, and Marketing. Can also has some experience in Project Management and Research and Development (R&D).