Cosmin Voicu
Team Lead at Trendyol Group
Berlin, Germany
Summary
👤
Senior🎓
Top SchoolCosmin Voicu is a Berlin-based engineering leader with over a decade of hands-on experience building high-throughput, cloud-native backend systems and leading teams at scale. Currently a Team Lead at Trendyol Group, he previously architected a global ad service at Delivery Hero that serves 75M+ premium placements per day with sub-20ms latencies and led the creation of a mobile B2B chat vertical integrating 19 services and full infrastructure-as-code. His toolkit spans Golang, Python, Kubernetes, GCP, Terraform and modern observability practices, with deep roots in PHP/Symfony from earlier platform work. A pragmatic interviewer and builder, he combines hiring and mentoring experience with proven delivery on performance-critical services and automated CI/CD pipelines. Unusually, his background blends telecoms education with applied machine-learning experiments early in his career, informing a systems-minded approach to product-driven engineering.
11 years of coding experience
12 years of employment as a software developer
Bachelor of Science (B.S.), Telecommunications for Mobile Phones and Satellites, Bachelor of Science (B.S.), Telecommunications for Mobile Phones and Satellites at Universitatea „Politehnica” din București
English, German, French, Romanian
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (41)
bundle10
php10
symfony-bundle9
symfony9
php-framework9
converting7
google-cloud7
api6
terraform6
test-results6
google-cloud-platform6
xml5
cloud-platform5
parsing5
terraform-provider5
Programming languages (3)
Github contributions (5)
cosma/simple-state-machine
Jul 2014 - Apr 2016
Contributions:111 commits, 30 pushes, 2 branches in 1 year 9 months
cosma/symfony-project
Dec 2014 - Jul 2015
Contributions:14 commits, 104 pushes, 22 branches in 7 months
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