Florian Engelhardt - Software Engineer II at Datadog

Florian Engelhardt

Software Engineer II at Datadog

Reutlingen, Baden-Württemberg, Germany

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Summary

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Rockstar

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Top School

Florian Engelhardt is a pragmatic software engineer with 11 years of experience who blends hands-on backend development with technical leadership, currently contributing at Datadog. He has led and scaled engineering teams across e‑commerce and SaaS, introducing TDD, Docker, CI/CD and event-driven architectures while mentoring distributed teams. A prolific PHP maintainer and open-source contributor, he’s worked on widely used projects like PHPUnit and Datadog’s PHP tracing client, adding tests, allocation-profiling and hardening core behaviors. Florian pairs deep practical knowledge of PHP and systems (OXID, MySQL, Redis) with modern languages like Rust and tooling-savvy workflows, often driving migrations to cloud and container platforms. Outside work he’s a dedicated father, which he credits for honing patience and pragmatic problem-solving under pressure.

11 years of coding experience

6 years of employment as a software developer

Fachinformatiker, Fachinformatiker at WWL Internet AG

Fachinformatiker, Fachinformatiker at Ziehm Imaging GmbH

German, English, French

Github Skills (21)

mstest10

ecommerce10

testing10

memory-management10

teste10

phpunit10

testing-library10

php10

php-extension10

oxid10

profiling10

datadog10

webshop10

rust10

ui-testing10

Programming languages (17)

SmartyMDXJavaC++RustCMakefileTwig

Github contributions (5)

OXID-eSales/oxideshop_ce

Mar 2017 - Mar 2021

OXID eShop CE component

Role in this project:

Backend Developer

Contributions:12 reviews, 126 commits, 58 PRs in 4 years

Contributions summary:Florian primarily contributed to the backend of the OXID eShop CE component, focusing on bug fixes and code improvements. Their work involved addressing issues related to URL extensions, and the handling of image creation. The user also made changes to improve code efficiency, address vulnerabilities related to sequential JPEGs, and fix return types.

ecommercephpoxid-eshopoxid-eshop-componentoxid

DataDog/dd-trace-php

Oct 2022 - Jan 2023

Datadog PHP Clients

Role in this project:

Back-end Developer

Contributions:9 releases, 359 reviews, 89 commits in 3 months

Contributions summary:Florian primarily focused on enhancing the Datadog PHP client library, specifically by implementing and integrating allocation profiling capabilities. This involved modifying core components, including the introduction of sampling mechanisms and upscaling algorithms. They also contributed to various improvements, such as fixing compile-time warnings, addressing heap management issues, and incorporating features enabled via feature flags. Furthermore, they also improved documentation via the PHP setup script.

php-clientapmphptracinglogging

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