Özgür Kısır
Adana,01
Summary
Detail oriented, collaborative, motivated senior software engineer backend to increase productivity and team effectiveness. I have deep experience at software development and integration projects with requirements management, scoping, solution architecture and eventually system development expertise. I have worked literally with different roles as software developer, solution architect, system development expert and software architect at multinational companies. I have TOGAF 9 certification, as well. Proven history of developing useful, efficient and cost-effective projects on telecommunications, finance and e-commerce domains. Great written and verbal communication in English.
Overview
20
20
years of professional experience
Work History
Sr. Software Engineer/Technical Design Lead
GlobalLogic
12.2019 - Current
- Cloud Native Resource management product development for telecom operators.
- Performed development and improvement of three different microservices for the product. I have developed a microservice from scratch (EO EVNFM / CRAN )
- Promoted experience with Kubernetes, Docker and Helm.
- Tested and deployed scalable and highly available software products
- Used technologies: Java, Spring, Spring Boot, REST web services, Swagger, API gateway, Docker, Kubernetes, Helm, Jenkins, Postman, Apache Jmeter, Git, Gerrit
- Apache Camel Karaf improvement to make it CAMEL 4 compatible(Apache Camel Karaf is OSGi based service integration framework, it's an open source software )
- Commited 30 feature adaptation and integration testing in scope of project.
- Used technologies: Java, Jenkins, Postman Gitlab
- Hybrid
Advisory Board Member
Hacettepe University, Department of Computer Engineering
03.2025 - Current
- Company Overview: https://www.cs.hacettepe.edu.tr/
- Advised on educational activities and accreditation processes for the Department of Computer Engineering - Artificial Intelligence Engineering at Hacettepe University.
- Collaborated with faculty to develop engineers proficient in key subjects and lifelong learning skills.
- Contributed to the department's mission of developing solutions for global industrial challenges.
- Remote
Sr. Software Engineer
Nexmart Gmbh
11.2018 - 10.2019
- Micro Services based e-commerce product development, which enables electronic communication between manufacturers and retailers in B2B sector via common online platform
- Implementation of REST based web service from scratch including their unit tests.
- Tested and deployed scalable and highly available software products
- Used technologies: Java, Spring, Spring Boot, Docker, Kubernetes, Helm, Jenkins, Postman, Apache Jmeter, Git, Gerrit
- Onsite
Sr. Software Engineer
Luxoft
10.2016 - 10.2018
- NDS (Navigation Data Standard) compatible database compilation for top-tier car manufacturers
- Performed 50 code merges to main branch in one year, development of new building block in project and transition work from version 2.5.1 to 2.5.2
- Used technologies: Java, Jenkins, Postman, Gerrit
- Onsite
Software architect
AVIVA
08.2015 - 10.2016
- J2EE enterprise systems integration & application design with Jboss FUSE & Jboss BRMS on Oracle Weblogic & Jboss EAP
- 35 performance increase with automated performance testing, pinpointing database and application level bottlenecks to development teams
- Modern, service oriented and scalable software architecture design on live.
- Used technologies: Java, Jenkins, Postman , Gerrit
- Onsite
Solution architect / technical lead
ERICSSON
09.2012 - 02.2015
- Responsible from software solution development and delivery on customer administration, billing, charging and provisioning domains
- Performed successful delivery of invoice generation system for 7M+ postpaid mobile subscribers in half time regarding to legacy system
- Performed successful provisioning and service enablement for 3M mobile subscribers.
- Onsite
System development expert
AKBANK
01.2009 - 09.2012
- Requirements analysis, scoping, solution architecture and system development of
- FIX protocol based investment system integration using Java & JEE technologies (Tomcat, Apache MQ, JSP, Servlet)
- Integrated software for Citibank London to do future operations with brokerage of Akbank at Turkish Derivatives Exchange with volume of 30M USD.
- Developed process for test automation setup.
- Onsite
Software engineer
ATOS ORIGIN
09.2005 - 11.2008
- Client: Turkcell
- Developed provisioning system of Turkcell UCCS (Unified Customer Care System)
- Performed bulk provisioning for 35M customers at Turkcell
- Developed staging component of Service Delivery Platform
- Onsite
Software Engineer
SIEMENS Inc.
01.2005 - 08.2005
- J2EE software development for manufacturing automation (J2SE, servlet)
- SIENA IET Tool (Siemens Integrated Engineering Application – Integrated Engineering Toolset).
- Onsite
Education
Bachelor of Science - Computer Engineering
Middle East Technical University
Ankara, TurkeyScience High School of Ankara
Ankara, TurkeySkills
- Java & J2EE
- Java Core
- Spring
- Spring Boot
- Microservices
- Messaging( Kafka , Rabbit MQ )
- Hibernate
- JPA
- JMS
- JDBC
- Unit testing
- Docker
- Kubernetes
- Helm
- AWS
- MySQL
- Python
- REST web services
- Swagger
- API gateway
- TOGAF
- Solution architecture
- Technical documentation
- Problem-solving abilities
- Excellent communication
- Coaching and mentoring
- Teamwork and collaboration
- Technical documentation
- Project management
- Organizational leadership
- Strategic thinking
- Diversity and inclusion
- Teamwork and collaboration
- Problem-solving abilities
- Excellent communication
- Active listening
- Coaching and mentoring
Yoga
I have been practicing yoga and meditation for almost 10 years. At the same time, I'm a certified yoga instructor.
Languages
English
Advanced (C1)
Turkish
Bilingual or Proficient (C2)
Russian
Upper intermediate (B2)
German
Beginner (A1)
Timeline
Advisory Board Member
Hacettepe University, Department of Computer Engineering
03.2025 - Current
Sr. Software Engineer/Technical Design Lead
GlobalLogic
12.2019 - Current
Sr. Software Engineer
Nexmart Gmbh
11.2018 - 10.2019
Sr. Software Engineer
Luxoft
10.2016 - 10.2018
Software architect
AVIVA
08.2015 - 10.2016
Solution architect / technical lead
ERICSSON
09.2012 - 02.2015
System development expert
AKBANK
01.2009 - 09.2012
Software engineer
ATOS ORIGIN
09.2005 - 11.2008
Software Engineer
SIEMENS Inc.
01.2005 - 08.2005
Bachelor of Science - Computer Engineering
Middle East Technical University
Science High School of Ankara