Mazlum Tosun
Co Founder & CDO At GroupBees
Paris, Ile-de-France
Summary
👤
Senior🎓
Top SchoolMazlum Tosun is a Google Developer Expert and Docker Captain with 11 years of experience building cloud-native data platforms and developer-centric tooling. As Co-founder and CDO at GroupBees and a recurring Data Architect on large GCP engagements (L'Oréal, Renault, Orange, BPCE), he blends hands-on implementation of Hexagonal and DDD architectures with pragmatic DevOps, IaC and CI/CD automation. He’s an active community contributor—authoring GCP tutorials, videos, StackOverflow answers, and open-source Apache Beam libraries (Asgarde, Pasgarde, Midgard) that simplify error handling and expressive Beam code. Known for functional-programming discipline and crafting reliable data pipelines (Beam/Dataflow, BigQuery, Airflow), he also designs modular Terraform and least-privilege IAM strategies for production-grade observability and testing. Colocated in Paris, he pairs entrepreneurial leadership with deep technical craftsmanship to upskill freelancing communities and deliver measurable business value.
11 years of coding experience
14 years of employment as a software developer
Université Paris 13
Stackoverflow
6,209reputation
186kreached
391answers
6questions
google-bigquery
top-1%
airflow
top-5%
google-cloud-storage
top-5%
python
top-5%
google-cloud-platform
top-1%
Github Skills (52)
google-bigquery10
google-cloud-platform10
error-handling10
java9
python9
kotlin9
airflow9
google-cloud-storage9
cli8
angular8
apache-beam8
typescript7
angular-cli7
es6-proxy7
kotlin-extensions6
Programming languages (6)
Github contributions (5)
tosun-si/midgard
Sep 2022 - Feb 2023
Midgard is a wrapper on Beam Kotlin, allowing more concise and expressive code. It removes Beam boilerplate code and proposes more Functional Programming style
Contributions:13 releases, 13 commits, 15 PRs in 4 months
functional-programmingkotlinapache-beamcloud-dataflowgoogle-cloud-platform
tosun-si/xebia-mowitnow
Oct 2016 - Dec 2020
Contributions:24 pushes, 1 branch in 4 years 3 months
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