onder sezgin
@ondersezgin
Freelance Technical Architect and Software Engineer with 10+ years experience.
What I'm looking for
I am a results-driven Freelance Technical Architect and Software Engineer with over 10 years of experience in delivering scalable, cloud-native, and enterprise-grade solutions. My extensive background includes working with both UK public sector organizations and private enterprises, where I have led digital transformation initiatives and modernized legacy applications. I specialize in optimizing CI/CD pipelines, cloud migrations, and enterprise integrations while ensuring compliance with industry standards.
Throughout my career, I have demonstrated proven expertise in consultancy engagements across various sectors, including telecom, finance, and retail. My hands-on proficiency spans software development, full-stack engineering, and high-performance system architecture. I am particularly skilled in cloud-native architectures and automation-driven deployments, with deep knowledge of technologies such as Java, Spring Boot, AWS, Azure, and Kubernetes.
Experience
Work history, roles, and key accomplishments
PMC Member and Committer
Apache Software Foundation
Dec 2016 - Present (8 years 6 months)
Active contributor to the Apache Camel Integration Framework, enhancing functionality and performance through the development of multiple components.
Performance Tuning Consultant
Freelance
Mar 2023 - Apr 2023 (1 month)
Conducted performance tuning for Hadoop and Spark clusters in the banking sector, optimizing resource utilization and improving data processing speeds significantly.
Senior Consultant – Cloud & Hybrid Platforms Integration
Freelance
Feb 2023 - Mar 2023 (1 month)
Assisted a Nordic Internet TV provider in migrating workloads to Azure Red Hat OpenShift, implementing containerization strategies and enhancing security with LDAP and Azure AD integration.
Senior Solution Integration Consultant
Freelance
Apr 2022 - Feb 2023 (10 months)
Led the development of a large-scale IoT device management platform, enhancing scalability and integrating monitoring solutions. Provided technical leadership and developed a BDD test framework.
Senior SW Engineer & DevOps Consultant
Polyevolv Consultancy Services
Nov 2022 - Dec 2022 (1 month)
Provided application modernization and DevOps consulting for UK public sector projects. Migrated applications to Red Hat OpenShift, refactored Jenkins pipelines, and implemented automated deployment strategies using Helm and Ansible.
Education
Degrees, certifications, and relevant coursework
Bahcesehir University
MBA, Business Administration
2010 - 2018
Izmir Institute of Technology
Bachelor of Science, Computer Science
2004 - 2008
Tech stack
Software and tools used professionally
Postman
Splunk
GitLab
Istanbul
Kubernetes
Docker Compose
Jenkins
GitLab CI
MySQL
PostgreSQL
MongoDB
Hadoop
Gmail
Spring Boot
PrimeFaces
Gradle
Java 8
Quarkus
AngularJS
JavaScript
Java
Kotlin
Perl
XML
Kafka
RabbitMQ
Grafana
Prometheus
OpenStack
Azure Active Directory
PayPal
AppDynamics
Apache Camel
Red Hat OpenShift
Elasticsearch
Avro
Ansible
pytest
JUnit
Robot Framework
Mockito
OAuth2
VirtualBox
JBoss
VisualVM
SQL
Valgrind
Availability
Location
Authorized to work in
Job categories
Skills
Interested in hiring onder?
You can contact onder and 90k+ other talented remote workers on Himalayas.
Message onderFind your dream job
Sign up now and join over 85,000 remote workers who receive personalized job alerts, curated job matches, and more for free!
