Çınar Şan Kartal

Software Development Lead | .NET Core | Microservices Architecture | Azure | Docker | CI/CD | REST APIs | Distributed Systems

cinarsankartal@gmail.com LinkedIn

About

Software Development Lead with 9+ years of experience designing and building scalable enterprise systems.

Specialized in microservices architecture, distributed systems, and cloud-based solutions using .NET Core and Azure.

Experienced in leading development teams, defining software architecture, and delivering high‑performance backend systems used by large-scale enterprise platforms.

Key expertise:

  • .NET Core / ASP.NET MVC
  • Microservices Architecture
  • REST APIs & Web Services
  • Docker & Containerization
  • Azure & Cloud Solutions
  • CI/CD – Azure DevOps
  • SQL Server / Oracle / MongoDB
  • Agile & Scrum

I have worked on large enterprise platforms including automotive dealer systems, mobile ecosystems, and enterprise integrations, focusing on performance, scalability, and maintainable architecture.

Open to senior engineering leadership and architecture roles.

Technical Skills

Professional Experience

Software Development Lead

Olivasoft · Oct 2024 - Present · Remote

  • Lead backend development and architecture design for enterprise-scale systems built with microservices architecture
  • Manage and mentor development teams while enforcing engineering best practices and agile delivery processes
  • Design scalable REST APIs and distributed backend services using .NET Core
  • Implement CI/CD pipelines and automated deployment processes using Azure DevOps
  • Collaborate with product managers, architects, and DevOps teams to deliver high-performance cloud-ready applications
Tech Stack: .NET Core, ASP.NET Core, Domain Driven Design, Distributed Systems, Microservices Architecture, REST APIs, Azure DevOps, Oracle Database, CI/CD, Agile, Scrum

Software Development Lead

KoçSistem · Aug 2023 - Oct 2024 · Remote

  • Led backend engineering activities for enterprise applications used by large-scale corporate clients
  • Designed and implemented microservices-based architectures to improve scalability and system maintainability
  • Guided development teams in implementing best practices in software architecture, code quality, and DevOps workflows
  • Built RESTful APIs and backend services using .NET technologies
  • Implemented CI/CD pipelines using Azure DevOps to automate build and deployment processes
  • Coordinated cross-team collaboration between backend, frontend, QA, and DevOps teams
Tech Stack: .NET Core, ASP.NET Core, ASP.NET MVC, Distributed Systems, Domain Driven Design, Microservices, Azure DevOps, Docker, Oracle Database, REST APIs, CI/CD, Agile, Scrum

Senior Software Engineer

KoçSistem · Oct 2017 - Aug 2023

  • Developed backend services and enterprise APIs for large-scale enterprise systems
  • Designed and implemented REST APIs and service integrations using .NET technologies
  • Contributed to microservices architecture transformation initiatives
  • Developed high-performance database queries and stored procedures
  • Worked closely with DevOps teams to integrate CI/CD pipelines and automated testing workflows
  • Participated in system architecture discussions and technical decision-making
Tech Stack: .NET Core, ASP.NET Core, ASP.NET MVC, Distributed Systems, Domain Driven Design, Microservices, Azure DevOps, Docker, Oracle Database, REST APIs, CI/CD, Agile, Scrum

Back End Developer

Pordiva · Aug 2015 - Aug 2017 · Istanbul, Turkey

  • Developed backend services and APIs for mobile and web applications
  • Implemented server-side logic and API integrations supporting iOS, Android, and web platforms
  • Designed and optimized SQL Server database structures and queries
  • Built REST APIs used by multiple mobile applications and web platforms
  • Participated in deployment, server configuration, and backend performance optimization
Tech Stack: .NET Framework, ASP.NET MVC, SQL Server, REST APIs, jQuery, Web Services

Corporate Projects

Enterprise Dealer Management Platform for Ford Trucks (Web)

KoçSistem · Sep 2017 - Present

Enterprise dealer management platform used by international Ford Trucks dealer network.

  • Developed backend services and APIs supporting dealer operations and integrations
  • Designed and implemented REST APIs for internal and external system integrations
  • Contributed to microservices-based backend architecture
  • Implemented CI/CD pipelines to automate build and deployment processes
  • Collaborated with cross-functional teams to ensure scalability and system reliability
Tech Stack: .NET Core, Microservices Architecture, REST APIs, Oracle Database, Azure DevOps, CI/CD

Digital Fan Engagement Mobile Platform for Fenerbahce SK

Pordiva · 2016 - 2017

Mobile platform delivering digital services and content to fans.

  • Developed backend APIs supporting mobile application features
  • Implemented server-side services and API integrations
  • Designed database queries and backend logic for mobile features
  • Supported integration between mobile clients and backend services
Tech Stack: .NET Framework, REST APIs, SQL Server, jQuery, Web Services

Enterprise Mobile Platform for Coca-Cola CCI

Pordiva · 2017 - 2017

Enterprise mobile platform supporting internal operations and field teams.

  • Developed backend APIs supporting mobile and web applications
  • Implemented business logic and server-side services used by multiple mobile clients
  • Designed and integrated REST APIs for mobile communication
  • Participated in testing, deployment, and backend system configuration
  • Supported scalable backend services for mobile ecosystem
Tech Stack: .NET Framework, REST APIs, SQL Server, jQuery, Web Services

Mahallem Mobile App - (iOS / Android / Web)

Pordiva · 2017 - 2017

Community-based mobile platform providing location-based services and communication features.

  • Developed backend services supporting mobile and web applications
  • Implemented REST APIs for mobile platform communication
  • Designed database structures and optimized queries
  • Participated in backend deployment and system configuration
Tech Stack: .NET Framework, REST APIs, SQL Server, jQuery, Web Services

Customer Experience Mobile Platform for Volkswagen Lisbon

Pordiva · 2016 - 2016

Mobile application platform supporting Volkswagen customer services.

  • Developed backend APIs and server-side services supporting mobile clients
  • Implemented integration between mobile applications and backend systems
  • Designed and optimized database queries for mobile features
  • Supported backend configuration and deployment processes
Tech Stack: .NET Framework, REST APIs, SQL Server, jQuery, Web Services

Personal Projects