Stephane Maarek

Lisbon + moving around the world, France

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Summary

🤩

Rockstar

Stéphane Maarek is an entrepreneur, engineer and educator with nine years’ experience building and scaling data streaming products and training millions of engineers worldwide. As co-founder of Conduktor he helped raise $22M to build a best-in-class Apache Kafka platform and led engineering contributions around connector development and Kafka security testing. He is the #1 Udemy Business instructor with 1.5M+ students globally, teaching AWS and Kafka while running DataCumulus to deliver professional training at scale. Hands-on in back-end, DevOps and testing, Stéphane’s open-source work includes Kafka connectors, a GitHub-source Kafka Connect connector and robust Scala tests for Kafka ACL management. An angel investor and former consultant, he blends rigorous applied math education with product-minded engineering to spot overlooked problems and turn them into practical, high-impact solutions. Based in Portugal, he frequently combines travel and teaching to stay close to his global learner community.

10 years of coding experience

Github Skills (30)

unit-testing10

api-rest10

kafka-connect10

github10

back-end-development10

api-design10

restful-api10

testing10

sourcelink10

acl10

kafka10

java10

scala10

javas10

go10

Programming languages (19)

C#JavaC++CRustScalaMakefileGo

Github contributions (5)

simplesteph/kafka-connect-github-source

Apr 2017 - Jan 2023

Get a stream of issues and pull requests for your chosen GitHub repository

Role in this project:

Back-end & DevOps Engineer

Contributions:4 releases, 29 commits, 5 PRs in 5 years 9 months

Contributions summary:Stephane primarily developed the core functionality of a Kafka Connect source connector for GitHub. Their initial commit established the foundational structure and implemented the ability to fetch issues and pull requests. Subsequent commits added features such as handling optional schemas and improved error handling, including rate limit management for the GitHub API. The user also focused on infrastructure aspects, creating a Dockerfile, refining the `run.sh` script, and separating the HTTP client for better organization.

pull-requestsstreamchosenkafka-connectkafka

simplesteph/grpc-go-course

Jul 2018 - Jan 2022

Companion Repository for my gRPC Golang course

Role in this project:

Back-end Developer

Contributions:2 reviews, 42 commits, 15 PRs in 3 years 7 months

Contributions summary:Stephane primarily focused on implementing gRPC services for a calculator application. They developed the necessary protobuf definitions, including request and response messages. Furthermore, the user built both the server-side and client-side components, showcasing a strong understanding of gRPC communication and service implementation in Go. The commits demonstrate a focus on creating the core functionalities of the calculator service, including unary and streaming RPCs.

golanggrpc

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