Denny Reeh-Lead Developer Backend
Check rate
Experience
Lead Developer Backend
CHECK24 Vergleichsportal Mietwagen GmbH
Technical Lead / Team Lead / Senior Software Developer
Jarlssen GmbH
- Developer team lead
- Software development
- PHP
- Symfony
- Zend Framework
- JavaScript
- TÜV certified software quality
- Rapid prototyping
- PHP performance tuning
- WebToPrint
- LDAP
- System administration
- Payment integration
- CRUD
Senior Software Developer
Utopia AG
Senior Software Developer
AUVICA GmbH
Senior Software Developer / Tech Lead
LifeJack AG
Software Developer
Freelancer
- Software development
- Server administration
- PHP
- JavaScript
- PDFLib
- MySQL
- MySQL replication
- Performance
- Team organisation and team lead
- Technical lead
Software Developer
Sixt AG
System Developer
e/t/s didactic media GmbH
Diploma Student in IT Department
BMW Bank GmbH
Software Developer
Baan Deutschland GmbH
Industry experience
See where this freelancer has spent most of their professional time.
Experienced in Information Technology, Tourism, Education, Automotive, and Banking and Finance.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Information Technology, Product Development, and Quality Assurance.
Skills
- Mysql Query Optimization
- Mysql Performance Analysis
- Lead Developer Backend
- Mysql High Availability Cluster
- Php Oop (Symfony, Laminas, Zend)
- Perl
- Golang
- Python
- Cobol
- Javascript
- Node.Js
- Dba
- Mysql Innodb Cluster
- Mysql Monitoring
- Query Optimization
- Performance Optimization Expert
Languages
Education
Martin Luther University Halle-Wittenberg
Diploma in Business Informatics · Computer Software Engineering and Databases · Halle (Saale), Germany
Statistics
Experience
Global experience
Expertise
Qualifications
Profile
Frequently asked questions
Have questions? Find more information here.
Denny is based in Augsburg, Germany and prefers 100% remote projects.
Denny speaks the following languages: German (Native), English (Advanced).
Denny has at least 28 years of experience. During this time, Denny has worked in at least 7 different roles and for 10 different companies. The average length of individual experience is 3 years and 10 months. Note that Denny may not have shared all experience and actually has more experience.
Based on recent experience, Denny would be well-suited for roles such as: Lead Developer Backend, Technical Lead / Team Lead / Senior Software Developer, Senior Software Developer.
Denny's most recent position is Lead Developer Backend at CHECK24 Vergleichsportal Mietwagen GmbH.
In recent years, Denny has worked for CHECK24 Vergleichsportal Mietwagen GmbH and Freelancer.
Denny is most experienced in industries like Information Technology, Tourism, and Education. Denny also has some experience in Automotive and Banking and Finance.
Denny is most experienced in business areas like Information Technology, Product Development, and Quality Assurance.
Denny has recently worked in industries like Information Technology and Tourism.
Denny has recently worked in business areas like Information Technology and Product Development.
Denny holds a Master in Computer Software Engineering and Databases from Martin Luther University Halle-Wittenberg.
Denny is immediately available part-time for suitable projects.
Daily rate distribution
The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.
Average rates for similar positions
Rates are based on recent contracts and do not include FRATCH margin.
The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.
The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.
Calculated based on our freelancers’ daily rates as of 24 Aug 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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