Recommended expert
Denizhan Soydaş
Senior Software Architect / Backend Developer
Experience
Nov 2024 - Jun 2025
8 monthsGermany
Senior Software Architect / Backend Developer
THE FORCE CT GmbH
- Projects involved: Supply Chain Maps, Imperial Apotheke
- Developed Java and Spring Framework applications
- Used PostgreSQL (NoSQL) database with object-relational mapping (ORM) and Jakarta Persistence API (JPA)
- Implemented RESTful web services in a microservices architecture
- Documented APIs using Swagger and OpenAPI
- Worked with JavaScript and React front end
Jun 2024 - Present
1 year 9 monthsFull-stack Developer and Founder
Jydea Software Community
- Developed NiMu web and mobile app to request a song
- Used Java and Spring Framework
- Implemented PostgreSQL (NoSQL) database with ORM and JPA
- Built RESTful web services in a microservices architecture with RabbitMQ
- Documented APIs using Swagger and OpenAPI
- Containerized applications with Docker
- Deployed on AWS for cloud computing
- Worked with JavaScript and React front end
May 2024 - Jul 2024
3 monthsBackend Developer
IDVLabs Software
- Transformed old services into new services for TEDAŞ BYS and TEDAŞ BYS-2 information management systems
- Developed with Java and Spring Framework
- Used Oracle database
- Built RESTful web services in a microservices architecture
- Stored data in a relational database
- Managed CI/CD pipelines using GitLab, GitHub, SVN, and CVS
- Documented APIs with Swagger and OpenAPI
- Worked with JavaScript and React front end
May 2022 - May 2024
2 years 1 monthSoftware Developer
Ekinoks Software
- Worked on early warning radar systems (Aselsan EİRS, MİLGEM/MİLGEM-5, CENK, AIR, AKR-D)
- Developed mostly with Java and Swing
- Implemented multithreaded, event-driven OSGi services in a microservices architecture with MVC+S pattern
- Applied software design patterns, architectural styles, and architectural patterns
- Managed CI/CD pipelines and GitLab repositories
- Followed SOLID and ACID principles
- Participated in weekly scrums
- Ensured cross-platform compatibility (Windows and Linux)
- Practiced test-driven development (TDD) with JUnit
- Automated builds with Maven and Gradle (Groovy)
- Used MySQL and SQLite
Aug 2021 - Sep 2021
2 monthsIntern
Altair Software and Defense Technologies
- Worked on Java and Spring Framework projects
- Developed RESTful web services
Jun 2021 - Jul 2021
2 monthsIntern
Metaform Informatics and Communication Technologies
- Worked on Java and Spring Framework projects
- Developed RESTful web services
Jan 2020 - Dec 2021
2 yearsKeep Serenity
- Developed backend in Java and Spring Framework for a mobile app to prevent domestic violence
Jan 2019 - Dec 2020
2 yearsEsperanto Supervisor
Bilkent WLL Club
Jan 2019 - Dec 2020
2 yearsEnvoy
Riot Games
Jan 2019 - Dec 2020
2 yearsZero IQ A.I.
- Built NYTimes crossword puzzle clue generator AI in Python using BERT and Word2Vec
Jan 2019 - Dec 2019
1 yearRoad Block
- Developed a desktop game in Java and Swing
Jun 2018 - Present
7 years 9 monthsTutor
- Taught university students software courses: Java, Python, object-oriented programming, data structures, algorithms, Spring Framework
Jan 2018 - Dec 2020
3 yearsLeague of Legends Coordinator
Bilkent eSports
Jan 2017 - Dec 2018
2 yearsSokoban
- Developed a desktop game in Java and Swing
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 (9 years), Education (7.5 years), Sport (3 years), Aerospace and Defense (2 years), Healthcare (2 years), and Media and Entertainment (2 years).
Information Technology
Education
Sport
Aerospace and Defense
Healthcare
Media and Entertainment
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 (7.5 years), Product Development (6 years), Operations (3 years), Marketing (2 years), Sales (2 years), and Supply Chain Management (0.5 years).
Information Technology
Product Development
Operations
Marketing
Sales
Supply Chain Management
Languages
German
AdvancedEnglish
AdvancedEsperanto
AdvancedRussian
AdvancedTurkish
IntermediateEducation
Oct 2018 - Jun 2022
Bilkent University
BSc · Computer Engineering · Ankara, Turkey
Profile
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Frequently asked questions
Do you have questions? Here you can find further information.
Where is Denizhan based?
Denizhan is based in Munich, Germany.
What languages does Denizhan speak?
Denizhan speaks the following languages: German (Advanced), English (Advanced), Esperanto (Advanced), Russian (Advanced), Turkish (Intermediate).
How many years of experience does Denizhan have?
Denizhan has at least 9 years of experience. During this time, Denizhan has worked in at least 9 different roles and for 13 different companies. The average length of individual experience is 1 year and 8 months. Note that Denizhan may not have shared all experience and actually has more experience.
What roles would Denizhan be best suited for?
Based on recent experience, Denizhan would be well-suited for roles such as: Senior Software Architect / Backend Developer, Full-stack Developer and Founder, Backend Developer.
What is Denizhan's latest experience?
Denizhan's most recent position is Senior Software Architect / Backend Developer at THE FORCE CT GmbH.
What companies has Denizhan worked for in recent years?
In recent years, Denizhan has worked for THE FORCE CT GmbH, Jydea Software Community, IDVLabs Software, Ekinoks Software, and Altair Software and Defense Technologies.
Which industries is Denizhan most experienced in?
Denizhan is most experienced in industries like Information Technology (IT), Education, and Sport and Recreation. Denizhan also has some experience in Aerospace and Defense, Healthcare, Media, and Entertainment and Publishing.
Which business areas is Denizhan most experienced in?
Denizhan is most experienced in business areas like Information Technology (IT), Product Development, and Operations. Denizhan also has some experience in Marketing, Sales, and Supply Chain Management.
Which industries has Denizhan worked in recently?
Denizhan has recently worked in industries like Information Technology (IT), Education, and Aerospace and Defense.
Which business areas has Denizhan worked in recently?
Denizhan has recently worked in business areas like Information Technology (IT), Product Development, and Supply Chain Management.
What is Denizhan's education?
Denizhan holds a Bachelor in Computer Engineering from Bilkent University.
What is the availability of Denizhan?
Denizhan is immediately available full-time for suitable projects.
What is the rate of Denizhan?
Denizhan's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.
How to hire Denizhan?
To hire Denizhan, click the Meet button on the profile to request a meeting and discuss your project needs.
Average rates for similar positions
Rates are based on recent contracts and do not include FRATCH margin.
1000
750
500
250
Market avg: 810-970 €
Market avg: 810-970 €
The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.
Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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