Murat Ayhan
Senior Software Developer at Worldline
Amsterdam, North Holland, Netherlands
Summary
👤
Senior🎓
Top SchoolMurat Ayhan is a senior software developer based in Amsterdam with over a decade of engineering experience and eight years focused on backend and distributed payment systems. He has designed and implemented high-throughput APIs and real-time messaging platforms using Java/Spring Boot and modern frontend stacks, driving production resilience through automated testing, security reviews, and incident remediation. At Payconiq he led API design and bank integrations for mobile payments and created services to correct stuck transactions, while at Turkcell he architected a messaging platform serving millions of concurrent users. Comfortable across system design, legacy telecom systems and cloud-native services, he blends hands-on coding with mentorship and cross-functional collaboration. Notably, his background spans low-level telecom (GSM/UMTS) work to consumer-facing payment UX improvements, giving him a rare end-to-end perspective on large-scale transactional systems.
8 years of coding experience
10 years of employment as a software developer
Bachelor of Engineering (B.Eng.) Electrical and Electronics Engineering, Bachelor of Engineering (B.Eng.) Electrical and Electronics Engineering at Gebze Technical UniversityBachelor's degree Electrical and Electronics Engineering, Bachelor's degree Electrical and Electronics Engineering at Université Évry Paris-Saclay
Turkish, İngilizce, French
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (8)
data-augmentation7
fourier-transform3
deep-neural-networks2
visualization2
tsne2
big-data2
python1
image-processing1
Programming languages (3)
Github contributions (5)
berenslab/ttaug-DR-uncertainty
Dec 2018 - Apr 2021
Test-time Data Augmentation for Estimation of Heteroscedastic Aleatoric Uncertainty in Diabetic Retinopathy (DR) Detection via Deep Neural Networks
Contributions:4 commits, 2 PRs, 2 pushes in 2 years 4 months
data-augmentationdeep-neural-networks
msayhan/msayhan.github.io
Jul 2025 - Sep 2025
Contributions:52 pushes, 1 branch in 1 month
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