Experience

• Software Development Team Lead — since Jan 2026
• Principal Software Developer — Jul 2025 – Jan 2026
• Senior Software Developer — Aug 2021 – Aug 2025

Search and advertising systems at Turkey's largest e-commerce platform; sponsored products and distributed services on the HepsiAds side.

• Designed and grew the distributed search systems that serve millions of daily users.
• Relevance engineering: scoring strategies, filtering logic, tokenisation, synonyms and domain-specific tuning.
• Real-time indexing pipelines with Apache Flink; index lifecycle and ingestion design.
• End-to-end ownership of performance: capacity planning, scaling, fault tolerance and incident response.
• Observability on Kibana, New Relic and Prometheus; architectural decisions across engineering, product and data teams.

• Elasticsearch
• Apache Flink
• Kafka
• .NET Core
• Kibana
• Prometheus

• Senior Software Developer

Digitalising insurance operations for banks and financial institutions: policy, claims and pricing workflows.

• .NET Core services carrying high-volume transactional workflows, integrated event-driven through Service Bus.
• Exactly-once delivery with the Outbox pattern, removing data loss and inconsistency from asynchronous flows.
• Fault-tolerant, compliance-ready processes delivered together with banking and QA teams.

• .NET Core
• Azure Service Bus
• MSSQL
• MongoDB

• Senior Software Developer

The backend of the Vakko, Vakkorama and WCollection e-commerce platforms: catalogue, basket, orders and payments.

• Led backend development across three retail brands, with high availability and heavy transaction volume.
• End-to-end order flow through ERP, inventory and multiple payment gateway integrations.
• Product discovery and search with Elasticsearch; performance and stability work through peak campaign periods.

• .NET
• Elasticsearch
• MSSQL
• Mikroservisler

• Senior Software Developer

High-traffic enterprise web platforms for banking and retail brands.

• Customer-facing enterprise applications for Yapı Kredi and DenizBank, with security and uptime first.
• Enterprise search across large content ecosystems with Google Search Appliance.
• Full-stack delivery on the Microsoft Açık Akademi and Tekin Acar Cosmetics projects.

• C#
• .NET
• MSSQL
• NHibernate
• Entity Framework

• Software Developer

Agency work: campaign sites and content management systems for large brands.

• Backend development in C# and ASP.NET with MSSQL and third-party integrations.
• Reusable campaign modules and content components, delivered on tight schedules.

• C#
• ASP.NET
• MSSQL

• Software Developer

Where it started: development on web-based projects.