Bahar Atasoy

Refactored RESTful API and gRPC communication and reconfigured Layer 7 (L7) network routing to improve message-processing reliability in an event-driven, workflow-orchestrated banking platform. Provided hands-on production support for customer-facing microservices, monitoring Kibana dashboards to detect, triage, and route incidents within a large existing codebase. Developed across multi-module Maven services using Factory, Singleton, and Repository patterns over MongoDB and relational data stores.

Software Engineer at GarantiBBVA Technology (2026-01 – 2026-06)

• Refactored RESTful API and gRPC communication and reconfigured Layer 7 (L7) network routing to improve message-processing reliability in an event-driven, workflow-orchestrated banking platform.
• Provided hands-on production support for customer-facing microservices, monitoring Kibana dashboards to detect, triage, and route incidents within a large existing codebase.
• Developed across multi-module Maven services using Factory, Singleton, and Repository patterns over MongoDB and relational data stores.
• Documented technical decisions in Confluence and coordinated with cross-border stakeholders to keep sprint delivery aligned across a distributed international team.

Software Engineer Intern at GarantiBBVA Technology (2023-06 – 2025-12)

• Progressively upgraded legacy Java 8-based Spring Boot microservices to Java 11 and, most extensively, Java 17 with zero downtime.
• Wrote mock-based unit tests with JUnit and Mockito and authored Karate integration tests across microservice layers, applying SOLID and ACID principles to maintain transactional integrity.
• Built services on both relational databases (Oracle, IBM DB2) and MongoDB, handling NoSQL data modeling for hybrid data flows.
• Executed Ark Starter/Batch migrations and built automated Test Data Services (JDBC, DQSuite, JCL), collaborating via Bitbucket, Jenkins, and JFrog in an Agile, distributed international team.

Bachelor's Degree in Computer Engineering – Adana Science and Technology University (2021 – 2026)