Holger Segnitz

Software Architect • Software Engineer • Consultant • Teamlead • Speaker • Mentor

Holger Segnitz (profile picture)

Tech Stack

current PHP, MySQL, Redis, SOA, REST, Docker, Gitlab-CI, Git, Slim Framework, NginX, Java, PostgreSQL
recent Jenkins, SOAP, AMF, Propel, Zend Framework, Vagrant, AWS, Symfony, Apache
methodology Scrum, Kanban, TDD, Pair-Programming, Peer-Review


SO/!\RCE Request-Tracing and Code-Coverage for Service Oriented PHP Applications
parallel-process-dispatcher Managing parallel background processes with PHP
munin-plugins for php-fpm Monitoring multiple pools within the same graphs


Contact Holger Segnitz
Mühlstraße 5a
63179 Obertshausen

+49 179 52 88 282
Date of Birth 1981-03-25
Nationality German
Marital status married
Languages German: native
English: fluent
Sarcasm: native

Curriculum Vitae

since 10/2019

BusyLamp GmbH, Frankfurt

Senior Software Developer/Principal
technical specifications of new product, contractor coordination, code and architecture review, build and development processes, legacy software maintenance, coaching

LifeStyle Webconsulting GmbH, Aschaffenburg

Senior Software Developer
distributed systems, service architecture and transformation, legacy software maintenance, code and architecture review, build and development processes, coaching

Fastbill GmbH, Frankfurt

Senior Software Architect, Teamlead Backend, Senior Software Engineer
microservice architecture and transformation for SaaS, legacy software maintenance, security and performance optimization, data modelling, change management, disaster recovery, build processes, coaching

Triplesense Reply GmbH, Frankfurt

Senior Software Developer
software architecture, requirements engineering and change management, customer contact, team organization, (cloud) hosting coordination, data modelling, build processes and continuous integration, backend programming, load testing, coaching

ETECTURE GmbH, Frankfurt

Software Engineer (Architect)
requirements engineering, customer contact, team organization, software architecture, (cloud) hosting coordination, data modelling, backend programming, load testing for various projects of different sizes:
e-government, high-load marketing websites, facebook apps, custom web applications
principal php developer, internal trainings

ETECTURE GmbH, Frankfurt

Software Developer
maintenance and hardening of legacy applications,
company-wide migration from CVS to Subversion + subversion coaching,
customizing CMS based websites
since 2006

Photography, Hosting, Webdevelopment, self-employed


trilobit GmbH, Eppelheim

BA-Student, Software Developer

University of Corporate Education Mannheim

"Digitale Medien / Digital Media"
Degree: Diplom Medieninformatiker (BA); Avg: 2,0
Thesis: Framework for Automated Publishing with Adobe InDesign; Grade: 1,6
since 2003

Webdevelopment & Webdesign, self-employed

Autumn 2002

Photography Assistant, Southern Spain

2002 Abitur




How not to Random (English), PHP UserGroup Frankfurt


Coach at Code Camp for Kids (German/English), 4 day event hosted by Code+Design e.V.


Object model PHP4 vs. PHP5 (German), PHP UserGroup Frankfurt

Training / Coaching Topics

  • Git (basic & advanced); Git branching models; Subversion
  • PHP basics, advanced know-how aand best practices
  • Code quality and best practices for maintaining a legacy code base
  • ZendFramework: basics; best practices
  • Series of events: preparing a team for Zend Certified Engineer
  • Gitlab-CI
  • Best practices for object oriented design
  • Different approaches to integration
  • Scrum != Chaos // how to expect change
Tooling / Misc
  • Introduction to Atlassian Fisheye, CodeReviews with Atlassian Crucible
  • Organisation and moderation of Coding Dojos
  • Digital photography, Adobe Photoshop, Adobe Lightroom
  • Adobe InDesign, Adobe Illustrator
  • Scrum

Received Training

bridgehouse Leadership Skills
andrena objects Agile Product Management
tecRacer Architecting on Amazon Web Services
secure net Web Application Security

Public Profiles

I am currently more or less active on the following platforms:

Portfolio / TL;DR

Dev: PHP, MySQL, PostgreSQL, Redis, TDD
Ops: Linux, Apache, NginX, Gitlab(-CI), Docker, Loadtesting
Architecture: Microservices, REST, MVC, OOP/OOD
Collab: Scrum, Kanban, Git, SVN, Code-Review
Train: Code-Review, Pair-Programming, Talks, Workshops, Coding Dojos