Projects & Full-time Positions

04.2024 - 09.2025
AI Advisor & AI Agents / Frontnow GmbH
Senior AI Software Engineer
Primarily remote, occasionally in Berlin

Development of a scalable AI product enrichment system that automatically enhances 100,000+ e-commerce products per shop and automates time-consuming manual processes

03.2023 - 04.2024
Douglas Platform Tech Team / Parfümerie Douglas GmbH
Senior Software Engineer
Remote

Development and maintenance of central platform infrastructure to support feature teams with reusable components, performance monitoring tools, code quality standards, and mentoring

09.2021 - 11.2022
Douglas Social Commerce / Parfümerie Douglas GmbH
Senior Software Engineer
Remote

Integration of social commerce features with Livebuy.io video player and optimization of Web Vitals for improved user experience

03.2021 - 02.2022
Frontnw GmbH
Lead Software Engineer
Mainly remote, occasionally in Berlin

Leading fullstack development of a B2B platform with successful migration from Firebase to Supabase and implementation of scalable data collection systems

05.2020 - 03.2021
caroutlet.ch / carIT AG
Software Architect
Mainly remote, occasionally in Zurich (CH), Tuggen (CH)

Architecture and re-development of a vehicle platform with complex multi-step checkout system and custom React components for 360° vehicle views

12.2019 - 05.2020
carauktion.ch / carIT AG
Interim Product Owner
Mainly remote, occasionally in Zurich (CH), Tuggen (CH)

Interim Product Owner coordinating platform development with international teams and aligning business and development

07.2019 - 12.2019
Parfümerie Douglas GmbH
Senior Frontend Developer
Düsseldorf

Permanent position as Senior Frontend Developer focusing on feature development, technical mentoring, and team onboarding

02.2017 - 07.2019
Energybox Ltd
Lead Frontend Engineer
Mainly in Cologne, occasionally in Hong Kong and USA (Washington DC)

Permanent position as Lead Frontend Engineer leading the frontend team and developing an IoT platform for worldwide energy data monitoring with an extensive React component library (150+ components)

01.2018 - 11.2018
juts.ch / leadpoint.ch
Software Engineer
Remote, occasionally in Zurich (CH)

Frontend development of a food box subscription platform with Stripe and PayPal integration for subscription payments

06.2015 - 02.2017
sipgate GmbH
Software Developer
Düsseldorf

Permanent position as Software Developer focusing on REST API development, CRM integration, and migration to React/Redux architecture for telephony applications

09.2013 - 05.2015
TIGEV Ingenieurgesellschaft mbH
Energy Data Management Engineer
Münster

Permanent position as Energy Data Management Engineer developing a web-based energy data management system with data visualization and integration of measuring devices and sensors

Side Projects

2020 - heute
Kontor / Arne Wiese

Personal invoicing tool since 2020 – rebranded to Kontor in 2025 (no good domain available for 'Easy Invoice', and 'Kontor' sounds trustworthy). Complete invoice management with expense tracking and team collaboration for German freelancers and small businesses, 8€/month

2020 - heute
Beautytester Service / Parfümerie Douglas GmbH

Conception and development of a product testing service for over 20,000 users with multi-step registration flow and BazaarVoice API integration

2023 - heute
tourvy.com / Arne Wiese

Development of an AI-powered travel planning software that generates complete travel offers in under 5 minutes through a 10-stage AI pipeline, reducing manual planning time by 90%

2025 - heute
maklerupdate.de / Arne Wiese

Platform for automatic monitoring of 50+ real estate agents in the Greater Düsseldorf area (goal: 400), completely replacing manual website checks through AI-powered property extraction and daily crawling

2016 - 2025
84rooms.com / Sebastian Schöllgen

Development and long-term maintenance of a marketing platform for boutique hotels with Stripe integration and AI-powered content optimization

2021 - 2024
Websites / Take Memories GmbH & Co. KG

Migration of multiple WordPress websites to Astro and PayloadCMS with focus on zero-JavaScript approach for optimal performance and SEO

2016 - 2022
Whisky Adventskalender / Arne Wiese & Wilhelm Hemme

Fullstack development of a web app for rating whisky with friends

2021 - 2022
maklerupdate.de / Arne Wiese

Development of a real estate platform for Düsseldorf with focus on data collection and search functionality

2021
bonsai-bayreuth.de / Bonsai Bayreuth

Development of a landing page with ordering system and CMS integration for restaurant menu

2021
stefanwiese.com / Stefan Wiese

Development of a landing page with SvelteKit

2020
maxis-zeitreisen.de / ProSiebenSat.1 Media SE (über Loyd Gmbh)

Modernization of Vue.js platform with technology stack update and creation of reusable UI components

2020
upperhand.co / Impact Products GmbH

Development of a multilingual landing page with Shopify integration for the e-commerce platform go-live

2020
need-mask.com (non-profit) / ITA RWTH Aachen

Development of a non-profit platform for Covid-19 protective equipment to handle high-volume orders with GraphQL, optimized for high request volumes

2020
Handelsblatt Social Media Monitor / Cyberium GmbH

Conception and development of a dashboard for comparing social media metrics of over 15 German banks and insurance companies

2020
Helpathon / Ways GmbH

Frontend development of a non-profit platform for visualizing and categorizing help ideas

2020
douglas.ch / Parfümerie Douglas GmbH

Analysis and bug fixing of tracking implementation for the Swiss online shop

2019
MONDAY.ROCKS GmbH

Development of a web app for dynamic KPI visualization with interactive SVG graphics and CI/CD pipeline integration

Education

2003 – 2006
General Higher Education Entrance Qualification (Abitur)
Technical High School Oldenburg

Technical university entrance qualification with a focus on mathematics and computer science, which formed the foundation for subsequent engineering and software studies.

2007 – 2010
B. Eng. in Energy Engineering
Münster University of Applied Sciences

Engineering degree with a focus on energy systems and technology. The bachelor's thesis combined process analysis with sustainable energy use through integration of CHP plants.

2011 – 2014
M. Sc in Energy Science and Technology
University of Bayreuth, Germany

Interdisciplinary master's program focused on sustainable energy systems. The master's thesis on developing a web-based monitoring system laid the foundation for later specialization in software development.

2012 – 2013
Study Abroad Semester at the Royal Institute of Technology (KTH)
Stockholm, Sweden

Study abroad semester with a focus on international research and industrial practice. Combination of collaboration in a research project on information system architecture and practical analysis at Scania AB.