Freelancer profile translated to English.
Back to original languageAbout Marius
I help marketplaces and brands grow sustainably: strategically, technically, and operationally.
I am a freelance eCommerce and marketplace consultant with over 10 years of experience in digital commerce. My focus is on marketplace growth, technical integration, and interim leadership, wherever companies want to scale, professionalize processes, or connect new platforms.
I have worked for DocMorris Marketplace (Team Lead Technical Integration) and ECE Marketplaces, among others, supporting brands with API integrations, onboarding, process development, and technical project management. I combine business, product, and technology, translating complex requirements into clear solutions.
My focus areas:
Technology: API integration, interface management, ERP/PIM/Shop systems (Shopify, Shopware, JTL), product data & order flows.
Strategy: Interim management, process design, KPI steering, scaling strategies.
Commerce: B2B/B2C Commerce, Marketplace Operations, Performance & Growth.
What sets me apart:
I can delve deep into technical details as well as lead teams and projects at a management level. This combination makes me a partner for companies seeking marketplace integration, efficiency, and growth from a single source.
ENGLISH:
I help marketplaces and brands grow sustainably through strategy, technical integration, and scalable operations.
I’m a freelance eCommerce & marketplace consultant with 10+ years of experience. I support companies with marketplace onboarding, API integrations, and process optimization. Past roles include work with DocMorris Marketplace and ECE Marketplaces, focusing on technical integration, project coordination, and cross-team alignment.
Strengths:
• API & systems integration (Shopify, Shopware, ERP/PIM)
• Marketplace operations & growth
• Strategic support & interim leadership
German
Native or bilingual
English
Native or bilingual
French
Basic
Spanish
Basic
Remote only
Primarily works remotely
Experience
- DocMorris DETeam Lead Technical IntegrationPHARMACEUTICALS INDUSTRYApril 2024 - July 2025 (1 year and 3 months)Berlin, GermanyAs a freelance Team Lead Technical Integration for the DocMorris Marketplace, I was responsible for connecting brands and merchants to the platform – from initial contact to successful go-live. The goal was to set up integrations in a way that they are stable, scalable, and future-proof.A significant part of my work involved managing integration and onboarding processes. This included coordinating between merchants, internal product and tech teams, and external partners. I implemented interfaces via APIs and ensured that systems like Shopify, Shopware, JTL, or custom ERP solutions were seamlessly connected with the marketplace infrastructure. This allowed for reliable synchronization of products, orders, and inventory, and automated workflows for merchants.In addition to technical integration, I also managed communication between business and technology. Acting as a bridge between product management, development, and support, I ensured that both the strategic requirements of the marketplace and the operational needs of the merchants were met. This included workshops, partner training, and documentation of integration processes.My work was highly solution-oriented: Conflicts between merchants and the platform were quickly resolved, integrations were accelerated, and time-to-market was significantly reduced. Furthermore, I continuously optimized processes to ensure that future integrations ran more efficiently and in a standardized manner.Results & Added Value:Successful onboarding of brands and merchants onto the DocMorris MarketplaceStable integrations with common shop systems and APIsDevelopment of clear processes for scalable partner connectionsRelief for internal teams through structured project managementCompetencies: Integration · API · Project Management · Onboarding Processes · Interface Management
- ECE Marketplaces GmbH & Co. KG · FreiberuflichPerformance ManagerE-COMMERCEJune 2022 - March 2023 (9 months)Hamburg, GermanyAs a Performance Manager at ECE Marketplaces, I am responsible for the management and optimization of the performance of several marketplaces, including Otto Market, About You, Limango, and Amazon. My tasks include developing and implementing strategies for revenue growth and improving customer satisfaction, as well as utilizing data analysis and omnichannel techniques to drive the growth and success of our clients.With my solid background in eCommerce, B2B sales, and marketing, and as a certified Product Owner, I bring a wealth of knowledge and experience. I am proficient in Microsoft Power BI and use this tool to monitor and measure the success of my strategies, allowing me to continuously make improvements and achieve even better results.Through my work with Stocksquare's Ship from Store program, I have helped companies increase their sales and expand their reach by offering fast and efficient delivery options. My passion is to help businesses reach their full potential, and I am committed to developing innovative and effective solutions for my clients.
- Wuup InnovationE-Commerce ManagerE-COMMERCEOctober 2019 - June 2022 (2 years and 7 months)Larnaka, CyprusAs an E-commerce Manager, I was responsible for the growth and success of our e-commerce sales channels. My responsibilities include managing and optimizing online sales channels, developing and implementing marketing strategies, and collaborating with cross-functional teams to ensure a seamless customer experience.With my extensive experience in B2B sales and marketing, international marketing, and product management, I bring a wealth of knowledge and experience. My skills in pay-per-click advertising, email marketing, Google Ads, and project management have contributed to driving the growth of our channels.I have a proven track record of utilizing WooCommerce to build and manage successful online stores and always stay up-to-date with the latest e-commerce trends and technologies. Whether it's optimizing online advertising, streamlining sales processes, or developing new marketing strategies, I am committed to delivering results and providing value to my clients.
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Education
- Bachelor of Science SMB ManagementKoblenz University of Applied Sciences2017Während meines Studiums an der Fachhochschule Koblenz habe ich ein umfassendes Verständnis für die Führung kleiner und mittlerer Unternehmen erworben. Der Studiengang deckte ein breites Spektrum an Themen ab, darunter Marketing, Finanzen und Unternehmertum, und vermittelte mir die Fähigkeiten und Kenntnisse, die ich brauche, um in einer wirtschaftsorientierten Karriere zu glänzen. Der praxisnahe Ansatz des Programms in Verbindung mit der realen Erfahrung durch Praktika und Projekte ermöglichte es mir, das Gelernte in der Praxis anzuwenden und ein abgerundetes Qualifikationsprofil zu entwickeln. Ich bin dankbar für die Ausbildung und die Möglichkeiten, die ich an der Fachhochschule Koblenz erhalten habe, und ich glaube, dass dies eine entscheidende Rolle für meinen Erfolg in der Geschäftswelt gespielt hat.
Certifications
- Professional Scrum Product Owner™ I (PSPO I)Scrum.org