Open to new opportunities

Senior Developer & Teamlead

20+ years building scalable backend systems. Passionate about PHP, Golang, Elasticsearch and the Symfony ecosystem — from code to conferences.

📍 Bremen, Germany 🌐 DE · PL · EN ⚡ 20+ yrs experience
01

Tech Stack

PHP
Expert · 20+ yrs
Golang
Advanced
Symfony
Expert · Contributor
Elasticsearch
Advanced
MySQL
Expert
Linux
Debian / Ubuntu
Git
Expert
Team Leadership
6+ yrs
02

Experience

Current
Apr 2020 – Present
~6 years
Senior Software Developer & Teamlead
firstcolo GmbH
Frankfurt am Main, Germany
Leading a development team while hands-on engineering scalable backend systems in a data-centre and infrastructure context. Responsible for roadmap planning, mentoring engineers, and driving architectural decisions.
PHP Golang Elasticsearch Symfony Team Lead Linux
Jul 2014 – Mar 2020
5 yrs 9 mo
Software Developer
team neusta Unternehmensgruppe
Bremen, Germany
Full-stack software development across multiple client projects in one of Germany's largest independent digital agencies.
PHP Symfony MySQL JavaScript
Jan 2014 – Jun 2014
6 months
Chief Technical Officer
Unit51 GmbH
Bremen, Germany
Led technical strategy and product development as CTO of an early-stage startup.
CTO PHP Architecture
Dec 2010 – Dec 2013
3 yrs 1 mo
Senior Web Developer
construktiv GmbH
Bremen, Germany
Social media platform development, Facebook Apps & Tabs, project management and Linux server configuration.
PHP Facebook API JavaScript MySQL Linux
2001 – 2010
Earlier career
Earlier Career
Various web development roles building the foundation of 20+ years in the field:
Web Developer · Mister Wong GmbH, Bremen Sep–Nov 2010 (FT) · Oct 2008–Aug 2010 (Freelance)
Web Developer · construktiv GmbH, Bremen Aug–Sep 2008 (FT) · Oct 2002–Jul 2005 (Freelance)
Internship – Sysadmin · nordCom GmbH, Bremen Mar 2001
2002 – 2008
Education
Education
Apprenticeship — Media Designer Digital & Print · construktiv GmbH, Bremen 2005–2008
University Entrance Qualification · Schulzentrum Kurt-Schumacher-Allee, Bremen 2002–2005
03

Open Source & Community

⚙️

Symfony Contributor

Contributed to the Symfony framework codebase and its official documentation. Regular attendee of SymfonyCon & SymfonyLive conferences across Europe. Backed the Symfony 5: The Fast Track book on Kickstarter.

→ connect.symfony.com/profile/arkadius
📚

Documentation Contributor

Contributing to the official Symfony docs to help developers learn the framework.

🎤

Conference Attendee

SymfonyCon & SymfonyLive — staying at the edge of the PHP ecosystem.

04

More

🌐
Languages German · Polish · English (all fluent)
🎓
Media Designer Digital & Print · construktiv GmbH, 2008
05

Get in Touch

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