02/13/2026 updated
BI
100 % available
Senior Software Architect | Payments & Regulated Systems | Microservices & Cloud
Istanbul, Turkey
Worldwide
B.Sc. in Computer EngineeringAbout me
Senior Software Architect with 12+ years of experience delivering secure, scalable solutions in regulated environments. I design high-volume transaction systems and multi-tenant architectures for fintech and enterprise platforms, and have led 40+ engineers delivering mission-critical cloud systems.
InnovationJava (Programming Language).NET FrameworkApplication Programming Interfaces (APIs)Agile MethodologyArchitectureASP.NET MVC FrameworkBankingC Sharp (Programming Language)Cloud ComputingCryptographyCustomer Communications ManagementData SecurityDevOpsDistributed Systems
Software Architecture & Fintech Systems
Designing secure, scalable architectures for fintech, payments, and open banking platforms. Strong background in enterprise-grade system design and distributed systems.
Microservices & Backend Engineering
Expert in Java, Spring Boot, Spring Batch, REST APIs, and event-driven architectures. Experience building high-performance, cloud-native microservices.
Payments & Financial Integrations
Hands-on experience with payment gateways, transaction processing, API integrations, and secure financial systems.
Cloud & DevOps
Experience with Docker, CI/CD pipelines, containerized deployments, and cloud-ready architectures.
Leadership & Delivery
Led cross-functional teams in large-scale projects, delivering solutions from design to production using Agile methodologies.
Experience
Professional experience10+ years
Freelancer since2016
Languages
EnglishGoodTurkishNative speaker
Project history
Delivered scalable web and mobile solutions for multiple clients, redesigned legacy systems into MVC architectures, optimized database performance, and built custom Android applications. Focused on performance, maintainability, and long-term scalability.
Led architecture design for closed-loop wallet and fintech platforms. Built secure multi-tenant infrastructures, implemented encryption strategies, developed Android/iOS SDKs, and integrated open banking APIs. Managed cross-functional teams and delivered scalable payment solutions.
Designed and enhanced enterprise financial risk analysis systems. Improved system performance and reliability, contributed to large-scale banking projects, and ensured secure data handling across critical financial workflows.