About Me
Full-stack Software Engineer specializing in the .NET ecosystem with 4 years of experience. At Kordsa, I'm part of the Global IT team, building central applications for factories across 5 countries. Previously, I worked on Mercedes-Benz's e-commerce platform with 22+ microservices. I design and develop scalable backend systems using C#, ASP.NET Core, Microservices architecture, and Azure technologies.
Outside of work, I'm a passionate Fenerbahçe fan, a fitness enthusiast with 8+ years of training, and a history buff.
Projects
NodeRunner 2.0
TurkcellManagement application for thousands of base station nodes across Türkiye. Built with React and .NET Core.
OneMap
TurkcellHealth-check application that monitors base station status on an interactive map of Türkiye.
Sales Transaction System
Mercedes-BenzE-commerce management platform used in Mercedes-Benz showrooms. Developed within a 22+ microservice architecture in an international, English-speaking team.
Supply Vendor Management
KordsaSupplier evaluation and management portal.
Kordsa Apps
KordsaCentral portal unifying Kordsa's internal applications under a single platform.
Document Vectorizer
KordsaContext-aware chatbot application built from scratch with RAG architecture, enabling conversations over corporate documents.
Global HR Analytics
KordsaDesign and development of an analytics and reporting system for Kordsa's global workforce.
KINDE
KordsaPlatform for managing training processes of Kordsa's global employees.
Active Directory Helper
KordsaAutomation platform for bulk management of internal employee directory information.
Portfolio Website
PersonalPersonal portfolio website featuring TR/EN language support, responsive design, MDX blog infrastructure, and a serverless contact form.
Experience
Full-stack Software Engineer
KordsaJan. 2025 – Present · Hybrid
Part of the Global IT team, developing central applications for factories across 5 countries.
- •Built KordsaApps from scratch — central platform used by 4,500+ employees across 5 countries
- •Solely designed and developed critical applications (training platform, supplier evaluation, HR analytics, RAG chat, sustainability portal) — ~$200K annual savings
- •Monitored application usage and prepared insightful reports directly for the director
Backend Developer
Mercedes-Benz OtomotivFeb. 2023 – Jan. 2025 · Hybrid
Worked on Mercedes-Benz STS e-commerce platform with an international team.
- •Delivered features and bug fixes across 22+ microservices, reducing customer-impacting incidents by ~30%
- •Led full setup of pre-production environment, almost halving release preparation time
- •Implemented LaunchDarkly for feature flag management, enabling safer rollouts
- •Developed dynamic email services, reaching tens of thousands of users across multiple regions
Software Engineer
Turkcell (Atmosware)Jun. 2022 – Feb. 2023 · Remote
Developed base station node management application across Türkiye.
- •Developed NodeRunner 2.0 with React + .NET Core — managing thousands of nodes
- •Led PostgreSQL migration from MSSQL, reducing query execution time by ~40%
- •Designed Hangfire jobs for automated node updates, cutting manual effort by ~25%
Skills
Backend & Frameworks
Architecture & Principles
Database & Messaging
DevOps & Cloud
AI & Data
Frontend & Other
Languages
Education
Kocaeli Üniversitesi
Master's Degree — Software Engineering
– Feb. 2028 · Kocaeli
Kocaeli Üniversitesi
Bachelor's Degree — Electronics & Communication Engineering
– Aug. 2022 · Kocaeli
GPA: 2.95/4.0
Contact
For new opportunities, collaborations, or technical discussions, you can email me directly or reach out through my social profiles.
yusekiliciletisim@outlook.com
Send an email directly
Location
İzmit, Kocaeli
Available for remote and hybrid roles.