Mustafa Çetinkaya - Software Engineer

Summary

Senior Software Engineer & Architect with over a decade of experience designing, building, and scaling high-performance distributed systems. Proven track record in delivering mission-critical enterprise platforms and large-scale FinTech ecosystems operating under heavy transaction loads. Deep expertise in .NET Core, Microservices, and Cloud-Native (Kubernetes) environments. Adept at driving end-to-end software craftsmanship, mentoring engineering teams, and leveraging AI-augmented development workflows to build scalable, fault-tolerant architectures while maximizing engineering velocity.

Core Skills

Technical: Microservices, Web APIs, Batches, Clean Architecture, Ddd, Cqrs, Tdd, Dotnet, Kafka, Redis, Sql, Mongo, Wpf, xUnit

DevOps & Cloud: Docker, Kubernetes, OpenShift, Helm, ArgoCd, Azure, Xl Release, CyberArk Conjur, Ci/Cd

Methodologies: Agile/Scrum, Code Reviews, Refactoring, Design Patterns

Experience

Senior Software Engineer

Softtech, Istanbul, Türkiye | Jan 2023 - Present

Backend engineer for Türkiye İş Bankası's mobile channel (İşCep), serving 200M+ daily transactions.
Designed and developed core banking Apis enabling customer onboarding and product distribution across partner channels.
Built microservices in Dotnet and Java Spring, deployed on Kubernetes, optimized for performance and security.
Implemented MyLife project and Car Valuation services, integrating automation for bill/tax payments and asset management.
Migrated legacy monolithic services to scalable, containerized solutions.

Senior Software Engineer

Istanbul University, Istanbul, Türkiye | Aug 2022 - Dec 2022

Developed Dotnet applications using Cqrs and Mediator patterns, Soap/Rest services, and automated workflows with Quartz.
Enhanced architectural templates, added xUnit tests, and implemented multi-environment appsettings.

Software Engineer

Council of Forensic Medicine (Government), Istanbul, Türkiye | Apr 2017 - Jul 2022

Developed full-stack web applications using Asp.Net Core to automate forensic data analysis workflows.
Architected and deployed Windows Services for orchestrating sequential, automated tasks across virtual machine clusters.
Built ClickOnce-distributed desktop applications and cUrl-based console applications to automate cross-server data processing.
Designed and maintained a centralized server-side Laboratory Management System (Claris Filemaker) with role-based access control and multi-database integrations for evidence tracking.
Executed complex digital data extraction and forensic analysis on mobile devices and physical storage media (memory/SIM cards) for high-stakes criminal investigations.
Leveraged industry-standard specialized software (Cellebrite Ufed, Magnet Axiom, X-Ways Forensics, Ftk Imager) to recover and parse volatile, encrypted, and hidden digital artifacts.

Software Developer

Maxinn Corporate Services, Isparta, Türkiye | Sep 2012 - Sep 2014

Developed e-commerce web apps (Asp.Net Mvc, MsSql, Rfid) and desktop Pos systems (Wpf).

Education

Master of Science in Computer Science

Istanbul University, Istanbul, Türkiye | 2019 - 2021

Bachelor of Science in Computer Engineering

Istanbul University, Istanbul, Türkiye | 2014 - 2016

Bachelor of Science in Computer Teacher Education

Suleyman Demirel University, Isparta, Türkiye | 2008 - 2013

Certifications

Microsoft Certified: Azure Fundamentals (Microsoft)
Kubernetes for Developers: Core Concepts, Deploying Your Code (Pluralsight)
Fundamentals of Docker and Kubernetes for .Net 5 Developers (Pluralsight)
Advanced Prompt Engineering Techniques (LinkedIn)
Advanced Web Apis with Asp.Net Core in .Net 6 (LinkedIn)
iTEP Business-Plus, Level B2 - Upper Intermediate
Certified BlackLight Examiner (BlackBag Technologies)

Publications

Malware Detection with Memory Analysis on Windows System Processes - Istanbul University (Jan 2022)

Languages

English (Professional Working - Certified by iTEP), Turkish (Native)