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Ayhan Kemal Baykal

Senior Software Engineer | Technical Lead

+90 507 750 00 18 ayhankemal@gmail.com

Professional Profile

Senior Software Engineer with 21+ years of experience in banking, telecommunications, and anti-fraud systems, delivering large-scale, mission-critical enterprise solutions.

Strong background in Java ecosystem, event-driven architectures, and complex domain systems where performance, data consistency, and reliability are critical.

Core Expertise

Professional Experience

Senior Software Engineer

09.2018 – 02.2026

Asseco South Eastern Europe — Istanbul, Turkey

Key contributor to enterprise-grade anti-fraud platforms used in financial and corporate environments.

  • Designed and developed backend components for fraud detection and identity risk analysis
  • Worked on high-volume data pipelines using Kafka & Flink
  • Contributed to scalable, modular architectures using Java & Spring
  • Collaborated with cross-functional teams on long-term product evolution
  • Projects: InACT Anti-Fraud Solution, IDFraud Solution

Java, Spring, Kafka, Flink, Big Data, Oracle, MS SQL, PostgreSQL, JavaScript, Thymeleaf

Senior Software Engineer

09.2017 – 09.2018

Qualist Technology — Istanbul, Turkey

  • Developed MES & Industry 4.0 solutions with a focus on data analysis and manufacturing systems
  • Worked on full-stack components integrating backend services with frontend interfaces

Java, AngularJS, C# .NET, MS SQL, HTML, JavaScript, CSS

Project Manager / Technical Lead / Senior Software Engineer

10.2007 – 01.2017

Argela (Türk Telekom Group) — Istanbul, Turkey

Led and delivered multiple large-scale telecom projects across different countries and operators.

  • Technical Lead for international JEE projects (Java, EJB, Hibernate, Redis, MySQL)
  • Led requirements analysis, architectural design, development, and delivery
  • Worked extensively with SIP, SS7, IN protocols
  • Developed and maintained Convergence Gateway and Cloud VMS solutions
  • Designed and implemented Intelligent Network services: Mobile VPN (Avea), Equipment Identity Register (Bakcell, Azercell, Azerfon), Centralized EIR (Rcom), Premium Call Filtering Service, Mobile Number Portability systems
  • Designed ETL and reporting systems for telecom subscriber analytics

Software Development Specialist

12.2006 – 10.2007

Anadolubank — Istanbul, Turkey

  • Contributed to the design and development of the AnadoluYatirim Investment Platform
  • Developed and maintained Internet Banking web application

PL/SQL, Javascript, HTML, CSS, XML, XSL, Oracle, CVS

Software Development Specialist

08.2004 – 11.2005

KoçSistem — Ankara, Turkey

  • Developed national-level financial and government systems (MASAK, Ziraat Bank)
  • MASAK money laundering prevention project

J2EE, Spring, Hibernate, Sybase ASE, Oracle, PL/SQL, C#, .NET

Education

MBA

Bahçeşehir University, Istanbul — Coursework completed, Thesis stage

B.Sc. Computer Science & Engineering

1998 – 2004

Hacettepe University, Ankara