Celil Uzunel - Freelance Software Developer

Q: Where is Celil based?

Celil is based in Essen, Germany .

Q: What languages does Celil speak?

Celil speaks the following languages: German (Native), Turkish (Native), English (Advanced), Spanish (Elementary), Italian (Elementary) .

Q: How many years of experience does Celil have?

Celil has at least 13 years of experience. During this time, Celil has worked in at least 10 different roles and for 5 different companies . The average length of individual experience is 1 year and 4 months . Note that Celil may not have shared all experience and actually has more experience.

Q: What is Celil's latest experience?

Celil's most recent position is ZÜRS Geo 2021 at adesso SE .

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

In recent years, Celil has worked for adesso SE , Simple-Web , and digitalbroking GmbH .

Q: Which industries is Celil most experienced in?

Celil is most experienced in industries like Information Technology and Insurance .

Q: Which business areas is Celil most experienced in?

Celil is most experienced in business areas like Information Technology , Quality Assurance , and Project Management . Celil also has some experience in Product Development .

Q: Which industries has Celil worked in recently?

Celil has recently worked in industries like Insurance and Information Technology .

Q: Which business areas has Celil worked in recently?

Celil has recently worked in business areas like Information Technology , Project Management , and Quality Assurance .

Recommended expert

Essen, Germany

Check rate

Experience

Sep 2021 - Dec 2021

4 months

ZÜRS Geo 2021

adesso SE

Frontend development
Spring Boot
Swagger
Git
GitLab
SonarQube
Docker
Maven
Java
Angular

Jan 2021 - Present

5 years 7 months

Essen, Germany

Hybrid

Freelance Software Developer

Simple-Web

Go-live of a broker management program for insurance brokers to store customer and contract data digitally and enable migration from other broker management systems.

Sep 2020 - Sep 2020

1 month

HRe/WYSR_iOS-Phase1

Hannover Rück SE

Backend development
Provision of push notification service
Testing of backend + smoke tests
Delivery of required features
Setup/maintenance of Keycloak
Spring Boot
Keycloak
Mockito
Swagger
AssertJ
Lombock
PostgreSQL
Flyway
Git
Jenkins
SonarQube
Docker
Maven
Java 13

Jan 2020 - Dec 2021

2 years

Dortmund, Germany

Senior Software Engineer

adesso SE

Jan 2020 - Jan 2020

1 month

adesso Advanced Fraud Management

adesso SE

Frontend development
Backend development
Tester
SpringBoot
Spring Cloud Netflix Stack
SpringData
Flowable
Angular
MongoDB
REST
Swagger
SoapUI
Docker

Jan 2018 - Present

8 years 7 months

meinMVP

digitalbroking GmbH

As part of the meinMVP project, a broker management system (MVP) for about 25,000 brokers is being built with a broad functional scope.
The project is being carried out using agile methods (Scrum) and DevOps practices.
Frontend architect
Frontend development
Backend development
Tester (load test – E2E test with Cypress/Playwright)
Functional tasks (contact person for the contract module)
Code reviews, quality assurance
Maintenance and further development of frontend components
Docker
Vagrant
Ansible
CentOS
Node.js
GitLab
Jenkins
Java
Spring Boot
JUnit
Hibernate
Maven
Consul
ElasticSearch
Logstash
Kibana
Ceph with S3 Gateway
PostgreSql
TypeScript
HTML5
SCSS
Angular
Cypress
Playwright
Jest
Nx

Oct 2017 - Dec 2017

3 months

eKFZ

Barmenia

Backend development
Tester
Java
JEE
EJB
JSF
JPA
Hibernate
EMF
MigSuite

Jan 2017 - Dec 2020

4 years

Dortmund, Germany

Software Engineer

adesso SE

Jan 2014 - Dec 2017

4 years

Dortmund, Germany

Working student – Software Developer

adesso SE

Jan 2012 - Dec 2012

1 year

Dortmund, Germany

Intern – Software Developer

adesso SE

Industry Experience

See where this freelancer has spent most of their professional time.

Experienced in Information Technology and Insurance.

Information Technology

Insurance

Business Area Experience

See which departments and functions this freelancer has contributed to most.

Experienced in Information Technology, Quality Assurance, Project Management, and Product Development.

Information Technology

Quality Assurance

Project Management

Product Development

Summary

I develop software solutions with a strong focus on insurance and broker management systems. I work across frontend and backend, from Angular and TypeScript to Java, Spring Boot and PostgreSQL, and I care about clean, maintainable code, testing and reliable delivery.

I have contributed to broker platforms for around 25,000 brokers, supported the rollout of a broker management program with data migration, and built backend features such as push notification services and Keycloak integration. I am experienced with agile and DevOps-driven work, code reviews, quality assurance, Docker, Jenkins, GitLab, Cypress and SonarQube.

Skills

Javascript
Jboss / Wildfly Application Server
Css
Expressjs
Html
Microsoft Visual Studio Code
Webstorm
Mongodb
Atlassian Stack
Spring Framework
Nx
Cypress
Spring Data
Angular 2 – 13
Jest
Java Server Faces (Jsf)
Scrum
Jee
Maven
Java (Se)
Apache Tomcat
Jmeter
Typescript
Eclipse
Angularjs
Sql
Git

Languages

German

Native

Turkish

Native

English

Advanced

Spanish

Elementary

Italian

Elementary

Education

Oct 2014 - Jun 2017

Universität Duisburg-Essen

Master of Science, Computer-Engineering, Reliable Systems · Computer-Engineering · Essen, Germany

Oct 2009 - Jun 2014

Universität Duisburg-Essen

Bachelor of Science, Computer-Engineering · Computer-Engineering · Essen, Germany

Statistics

Experience

Total positions 10

Experience in Information Technology 13.5 y

Avg length 2 y 6 m

Longest experience 8 y 6 m

Global Experience

Countries worked in 1 (Germany)

Primary country Germany

Expertise

Recent roles ZÜRS Geo 2021, Freelance Software Developer, HRe/WYSR_iOS-Phase1

Main industries Information Technology, Insurance

Main business areas Information Technology, Quality Assurance, Project Management

Qualifications

Highest degree Master

Profile

Created

August 2023

Last Update

July 2026

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Frequently asked questions

Have questions? Find more information here.

Where is Celil based?

Celil is based in Essen, Germany.

What languages does Celil speak?

Celil speaks the following languages: German (Native), Turkish (Native), English (Advanced), Spanish (Elementary), Italian (Elementary).

How many years of experience does Celil have?

Celil has at least 13 years of experience. During this time, Celil has worked in at least 10 different roles and for 5 different companies. The average length of individual experience is 1 year and 4 months. Note that Celil may not have shared all experience and actually has more experience.

What roles would Celil be best suited for?

Based on recent experience, Celil would be well-suited for roles such as: ZÜRS Geo 2021, Freelance Software Developer, HRe/WYSR_iOS-Phase1.

What is Celil's latest experience?

Celil's most recent position is ZÜRS Geo 2021 at adesso SE.

What companies has Celil worked for in recent years?

In recent years, Celil has worked for adesso SE, Simple-Web, and digitalbroking GmbH.

Which industries is Celil most experienced in?

Celil is most experienced in industries like Information Technology and Insurance.

Which business areas is Celil most experienced in?

Celil is most experienced in business areas like Information Technology, Quality Assurance, and Project Management. Celil also has some experience in Product Development.

Which industries has Celil worked in recently?

Celil has recently worked in industries like Insurance and Information Technology.

Which business areas has Celil worked in recently?

Celil has recently worked in business areas like Information Technology, Project Management, and Quality Assurance.

What is Celil's education?

Celil holds a Master in Computer-Engineering from Universität Duisburg-Essen and a Bachelor in Computer-Engineering from Universität Duisburg-Essen.

What is the availability of Celil?

Celil will be available full-time from September 2026.

What is the rate of Celil?

Celil's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.