About Me

• Passionate, well-organized Software Engineer with 7+ years of experience, including 7 scalable distributed projects in IoT, banking/payment systems and gambling domains.
• Advanced knowledge of Java, Spring, Microservices and Agile development principles.
• Having OCP( Professional Java 11 Developer) certificate.
• Eager to apply comprehensive software creation and maintenance expertise.

Highlights :

  • Team player
  • Creative
  • Friendly and helpful
  • Self-organized
  • Diligent

Hobbies

• I am also an opera singer
• Playing guitar, piano, ukulele and kalimba
• Meeting new people
• Reading Book
• Following new Technologies

My Skills

Back-end

- Java
- Spring Boot
- Spring Security
- Spring Data
- JPA / ORM
- Redis
- Kafka
- Cassandra
- Oracle, Postgresql

Microservices

- Spring Cloud
• Discovery
• Feign Clients
• Load Balancer (ribbon)
• API Gateway
• Circuit Breaker
• Config Server

- Patterns
• Event Sourcing
• CQRS
• SAGA
• 2PC

Devops

- AWS
- Terraform
- CI/CD
- Cloudformation
- Docker
- Kubernates
- Jenkins / Gitlab
- Elasticsearch / Opensearch
- Apache Tomcat / Weblogic
- Linux / Centos / Bash

Front-end

- Node.js
- Typescript
- React.js
- Javascript
- Html
- Css

Certifications

JAVA-SE 11 Professional Developer
Oracle, 2021
See Credential
PSPO-I Professional Product Owner
Scrum.org, 2021
See Credential
PSPO-I Professional Scrum Maste
Scrum.org, 2021
See Credential

Technical Skills

80% Complete (danger)
Java 11 80%
80% Complete (danger)
Spring 80%
80% Complete
Microservices 80%
70% Complete (success)
Node.js 70%
80% Complete (danger)
Docker / Kubernates 80%
70% Complete (warning)
AWS 70%
70% Complete (warning)
Kafka 70%
70% Complete
Cassandra 70%
Present

Oct

Bally's Interactive

Backend Developer

• Work on the wallet system of online gambling project.
• Tech Stack : Java11, Event Sourcing, CQRS, Kafka, Redis, Cassandra, Spring Boot, Spring Cloud, Spring Security.

2022

Feb

Siemens

Backend Developer

• Developed the IoT edge&cloud computing application which is most popular project of siemens.
• Rewrote 3 java services as an AWS Lambda Function(IaC), increased API speed by %40.
• Integrated Elasticsearch the whole system, increased the report speed by %30.
• Increased team communication and sociability, promoted and salary raised 2 times.
• Tech Stack : Java11, Spring Boot, AWS, IaC(AWS Lambda, Terraform), CI/CD, PostgreSQL.

2021

Sep

Asseco SEE

Backend Developer

• Rewrote current Payment System App which have 10+ million transaction in a day with state of the art tech.
• Developed from scratch crucial part of project like 3D Pay, EndOfDay process with SAGA Microservices pattern.
• Refactored Union Pay Integration, reducing error rate to production by 15%.
• Tech Stack : Java11, Event Sourcing, CQRS, Kafka, Redis, Cassandra, Spring Boot, Spring Cloud, Spring Security.

2018

Feb

Eteration

Full-Stack Developer

• Developed 4 scalable distributed project in banking and airline domains with microservice architecture.
• Developed currency graphic from scratch with deep math technics, reduced phone temperature %70.
• Solved most important production bugs, having “The Most Problem Solver Of Month” awards, 2 times.
• Tech Stack : Java8, Spring MVC, Spring Boot, Spring Cloud, Spring Security, JSP, Javascript, Node.js, React, Oracle.

2016