cv
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Basics
| Name | Ugur Köysüren |
| Label | Senior Software Engineer & Consultant |
| [email protected] | |
| Phone | +49 175 7302616 |
| Url | https://ugurkoysuren.com |
| Summary | Senior IT Consultant with nearly 10 years of experience delivering scalable cloud-native applications and distributed systems. Expert in Java, Spring Boot, Kafka, Kubernetes, and AWS. Contributor to open source and active tech blogger. |
Work
-
2023.07 - Present Senior Software Engineer
Headsquare GmbH / Versicherungskammer Bayern
Leading architecture of event-sourcing system with Kafka, reducing notification latency by 65%. Managing cloud deployments on OpenShift.
- Real-time communication system for 200k+ users
- Event-driven microservices with Java 21
- Deployment automation via Kubernetes/OpenShift
-
2022.03 - 2023.07 Senior Software Engineer
inovex Gmb
Built caching and streaming pipelines for health tech and retail systems using Redis, GraphQL, and NATS.
- 92% faster analysis via in-memory cache
- GraphQL APIs and event-based architecture
- Improved API latency from 1.2s to 280ms
-
2017.10 - 2022.03 Software Engineer / Consultant
isento GmbH / Public Sector Projects & KA-VKA
Delivered secure e-government and environmental data systems, implemented OAuth2-based security for 2M+ users.
- OAuth2/JWT authentication for national systems
- Document processing with Apache Tika (10k+/day)
- Developed an AI training platform with 3D simulation
Education
Certificates
| Certified Kubernetes Application Developer (CKAD) | ||
| Cloud Native Computing Foundation | 2023-01-01 |
| AWS Certified Solutions Architect Associate | ||
| Amazon Web Services | 2021-01-01 |
Skills
| Backend Engineering | |
| Java | |
| Spring Boot | |
| Kafka | |
| PostgreSQL | |
| Redis |
| Cloud Infrastructure | |
| Kubernetes | |
| OpenShift | |
| AWS | |
| Docker |
| Frontend | |
| Angular | |
| TypeScript |
Languages
| German | |
| Native speaker |
| English | |
| Fluent |
| Turkish | |
| Native speaker |
Projects
- 2024.01 - Present
cBioPortal Contributor
Contributing to open source cancer genomics platform used globally.
- Enhancing UI and improving data access APIs
- 2020.01 - Present
ugurkoysuren.com
Personal tech blog with articles on cloud, DevOps, and system design.
- 2000+ monthly readers
- Top posts on Geo-Fencing & Push Notifications
Interests
| Technology | |
| Cloud Computing | |
| Distributed Systems | |
| System Design |
| Open Source | |
| Community contribution | |
| Technical writing |