Deployments. Web Development. Infrastructure.

Made in Germany.

About me

Hi there! My name is Oliver - but please, call me Olli.

I am a 23-year old Full-Stack Developer, based in a rather small city near Hamburg, Germany. Besides coding, I am a huge fan of the entire Star Wars franchise, and really enjoy going for a ride on either my motorcycle or bicycle in my free time.

Specialization

I heavily specialized in building applications to connect and synchronize multiple ERP and shop systems, like Microsoft Dynamics 365, Business Central 14, Shopware 6 as well as the JTL Wawi and Fulfillment Network. Besides data connectors, I have gained a lot of experience in planning, developing and running end consumer campaign pages, like cashback campaigns and their SEPA transaction processes, online giveaways and product return portals.

During the past 2 years I also gained a lot of experience in understanding, securely containerizing and updating highly custom legacy applications and servers, mostly based on very old PHP versions and end-of-life Linux distributions, like older CentOS, Debian and Ubuntu.

My Tech Stack

Over the years, especially during my apprenticeship, which I completed officially in January of 2023, I have gained quite a bit of experience in a relative specific tech stack. In order to keep it straightforward, I have linked some relevant technologies below.

Backend

Dev Ops

Frontend

References

Of course I cannot list all projects in which I have participated in the past, due to various Non-Disclosure Agreements. But some of them are publicly available and open source, and I would like to share them with you.

Recent Projects

Alles im Rudel
www.allesimrudel.de

I have participated in setting up all webservices required to run and manage the Alles im Rudel e.V. club, including membership management, personal profiles, payment information processing as well as a Minecraft server integration.

Docker
vollborn/minecraft-nginx-reverse-proxy

This container aims to significantly cut cost for hosting private Minecraft servers without compromising your privacy. It provides an nginx reverse proxy using the stream module, so you can run a homestead server with usually much more raw performance - all without leaking your public ip address.

Docker
vollborn/jetbrains-gateway-ssh

As the name may already tell - this project was made to provide a small SSH server container with all dependencies for remote development with Jetbrains Gateway. No need to use the main SSH port, or a real user. Additionally, all project files can be managed using Docker volumes.

Github
DREI-D/laravel-jtl-api

This Laravel package provides a wrapper for the quite new JTL Wawi REST API. Even though it is not fully completed yet, given the JTL API is still in beta, it rapidly speeds up the development of new connectors, for example to webshops.

Github
DREI-D/laravel-sepa-xml

This Laravel package simplifies the creation of SEPA-XML payment files in the pain.001.001.003 format. It sanitizes the input data, removes special characters and automatically shortens values to their maximum length following the ISO standards.

My Clients

As a freelancer besides my full-time job, I am really proud of cooperating with large as well as rather small companies. Even though I am mostly not allowed to talk about my freelance work, I may show you my recent clients:

Contact me

Would you like to get to know me, hire me or maybe cooperate on a new project? Do you have problems connecting two or more essential systems, like your webshop and logistical applications, for example for shipping? Do you need a new website or would you like to start a new online campaign?

The solution might be simpler than you think - let us talk about it . Be welcomed to contact me for a free first hands - on call!