Kerim Berkay Buçan

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based in Istanbul, Turkey.

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02 Know Me More

About.

// KBB.exe

Hi, I'm Kerim Berkay Buçan — A Software Engineer building scalable backend systems and exploring the frontiers of AI.

Software Engineer with experience in building scalable backend systems using .NET Core and ASP.NET Core. Skilled in RESTful API development, real-time communication, and database-driven applications. Experienced in Virtual POS integrations, subscription and recurring payment systems, and Ministry of Health–compliant healthcare platforms. Currently pursuing an M.Sc. in Software Engineering (thesis stage) with research experience in machine learning and deep learning. Hands-on experience with cloud services, CI/CD pipelines, and AI integrations including ChatGPT and AWS Bedrock.

0+ Years of Experience

0 Companies Worked

0 Academic Publications

0rd Faculty Ranking

03 My Career

Experience.

Software Engineer

07/2026 — Present

Directorate General of Coastal Safety · Istanbul

Software Engineer

02/2025 — 07/2026

Resolution7 · Istanbul

Backend Development & Architecture

Developed and maintained .NET Core-based RESTful APIs for enterprise-grade applications; built scalable, modular web applications using ASP.NET MVC.
Established event-driven architectures and asynchronous messaging with RabbitMQ.
Designed WebSocket-based infrastructures for real-time data transmission and live notifications.
Managed high-volume MS SQL Server databases with a focus on performance optimization and strict data integrity.

Healthcare Domain & Compliance

Designed and developed a Ministry of Health-compliant Remote Healthcare Information System from scratch.
Engineered core modules: video consultations, appointment scheduling, prescription management, and comprehensive medical records.
Ensured KVKK-compliant data processing with role-based authorization and secure authentication.

Payment & Subscription Systems

Built secure Virtual POS integrations supporting 3D Secure, one-time payments, and complex installment scenarios.
Designed end-to-end subscription and recurring payment management systems including full lifecycle management, renewals, and cancellations.
Engineered payment flows covering callbacks, authorization, capture, reconciliation, and error-handling with high-availability principles.

API Integration & Documentation

Created robust integration APIs for seamless system connectivity and authored comprehensive technical documentation for internal and third-party integrations.

Software Development Specialist

07/2024 — 02/2025

Plucky Technology · Istanbul

Developed web applications using ASP.NET Core with a focus on scalability and maintainability.
Designed and implemented RESTful APIs for backend service integration and external system communication.
Integrated AI services using ChatGPT and AWS Bedrock APIs into enterprise applications.
Utilised AWS services including CloudWatch, Cognito, Load Balancer, and Bedrock for cloud-native solutions.
Implemented authentication and authorization workflows using AWS Cognito.
Managed and optimised CI/CD pipelines using Azure DevOps.
Performed MS SQL Server database design, management, and performance optimisation.

Junior Software Engineer

07/2023 — 10/2023

Codevist Teknoloji · Istanbul

Developed console applications in C# to automate internal data processing workflows.
Built web scraping pipelines using Selenium to collect, parse, and structure large-scale datasets from external sources.

03 Academic Background

Education.

M.Sc. in Software Engineering · In Progress

09/2024 — 07/2026, Expected

Bandırma Onyedi Eylül Üniversitesi · Balıkesir, Turkey

Focusing on advanced software architecture and engineering methodologies. Currently in thesis stage with research spanning machine learning and deep learning applications.

B.Sc. in Software Engineering · GPA 3.47 / 4.00

09/2020 — 07/2024

Bandırma Onyedi Eylül Üniversitesi · Balıkesir, Turkey

Graduated 3rd in Faculty. Core curriculum covering algorithms, data structures, software engineering, databases, and operating systems. Held leadership roles in student organisations contributing to project management and team coordination.

Chairman · Software Engineering Society

01/2023 — 07/2024

Bandırma Onyedi Eylül Üniversitesi · Balıkesir, Turkey

03 Expertise

Skills.

Backend Development

C#.NET CoreASP.NET CoreRESTful APIWebSocketsRabbitMQMicroservices

Data & Monitoring

MS SQL ServerT-SQLRDBMS DesignElasticsearchLoggingMonitoring

Domain Expertise

Healthcare IS (HIS)Virtual POS3D SecureRecurring PaymentsKVKK Compliance

Cloud & DevOps

AWS CognitoAWS CloudWatchAWS S3AWS Load BalancerAzure DevOpsCI/CD PipelinesDockerGitIIS

AI & Machine Learning

PythonMachine LearningDeep LearningOpenAI APIAWS BedrockFeature SelectionRMATLAB

04 Research

Publications.

P/01

Multi-Class Liver Disease Classification Using a Hybrid Deep Learning Framework Based on YOLO and CaiT Transformer Architectures

Signal, Image and Video Processing · Preprint 02/2026

View on Research Square P/02

Classification of Anemia Using Machine Learning and Feature Selection

International Journal of Advanced Natural Sciences and Engineering Researches 12/2024

View Publication P/03

Classification of Tea Leaves with Deep Learning

10th International ARTEMIS Scientific Research Congress 11/2024

View Congress