Berke (Ryan) Arslan

Perth, WA

• ▹ Engineered backend services for Jira’s core views, owning GraphQL schema design, service-layer logic, and production observability.
• ▹ Iteratively implemented real-time data features via GraphQL Subscriptions, refining the architecture three times to optimize performance.
• ▹ Accelerated team onboarding by mentoring new engineers on internal CI/CD processes and development workflows.

Perth, WA

• ▹ Modernized workforce reporting by migrating legacy SSIS/SQL Server logic to a Python-based serverless backend on AWS Lambda.
• ▹ Owned the end-to-end development cycle for new data pipelines, from technical design to automated testing and CI/CD.
• ▹ Optimized system performance by identifying and resolving critical bottlenecks in data processing logic and cloud infrastructure.
• ▹ Standardized reusable, event-driven Python patterns to replace manual ETL workflows.

Istanbul, TR

• ▹ Scaled data persistence and search capabilities across MySQL and Elasticsearch.
• ▹ Architected core platform infrastructure from scratch using Python (FastAPI/Celery) and RabbitMQ.
• ▹ Engineered a custom proxy manager service with a rule engine for routing and anti-bot evasion, ensuring high-availability data retrieval.
• ▹ Hired, onboarded, and mentored a team of 5 software engineers, establishing technical training and collaborative standards.

Istanbul, TR

• ▹ Owned the CamundaBPM workflow service and Kafka stream processing pipelines for real-time security event ingestion.
• ▹ Used Spring Cloud to create scalable and resilient microservices that enabled the real-time ingestion, analysis, alerting, integration, and storage of security event data.
• ▹ Developed and executed security incident response workflows using BPMN engines, streamlining the process and improving efficiency for customers.
• ▹ Followed best practices and strategies for ensuring high quality and reliability of applications and services, such as continuous testing, monitoring, and feedback.
• ▹ Built in-house dev/staging infrastructure and data-mocking tools to facilitate cross-functional testing.