Denmark

E-commerce Systems & Marketplace Specialist

I work at the intersection of product data, automation, integrations, and marketplace operations to build e-commerce infrastructure that scales across markets, systems, and channels.

I see e-commerce first as a systems challenge. When data, structure, and workflows do not hold together, growth creates friction instead of leverage. My work is about building the operational foundation that keeps commerce scalable and under control.

Portrait of René Jessen

About / Positioning

Systems first. Structure before scale.

I work with e-commerce and marketplaces with a focus on the systems that keep daily operations reliable in practice. My work sits between product data, automation, integrations, and scaling across markets and platforms.

I do not mainly approach e-commerce through campaigns, visual optimisation, or short-term growth tactics. I approach it as an operational system that needs structure, consistency, and dependable flow across tools and teams.

That means building the foundation behind the business: product data models that stay usable, connected systems that exchange the right information, and workflows that remain maintainable as complexity grows.

What I Do

I simplify complex commerce operations by tightening the system underneath them.

The goal is not to patch one isolated issue, but to improve how data, systems, and processes work together over time.

01

Product data architecture

I structure product data and PIM models so information stays usable across marketplaces, channels, reporting, and internal workflows.

02

Workflow automation

I reduce repetitive manual handling by designing practical automations where they create real operational value.

03

Integrations and data flows

I connect systems through clear integrations and dependable handoffs instead of fragile workarounds and copy-paste operations.

04

Marketplace and multi-market scaling

I build structures that support new markets and channels without letting complexity grow faster than the business.

Experience

Recent roles that show a clear move from digital execution into systems-led commerce operations.

August 2022 – PresentHerning Municipality, Denmark

E-commerce & Marketplace Operations

Kabooki / JBS Textile Group

Hands-on responsibility for e-commerce and marketplace operations with a strong focus on Amazon, product data quality, scalable workflows, and system integration across multiple markets.

  • Managed Amazon Vendor and Seller operations with a strong focus on listing stability, compliance, and long-term maintainability.
  • Structured and maintained large-scale product catalog data using Plytix PIM.
  • Built and maintained automations in Make.com across Plytix, Shoporama, spreadsheets, and marketplace-related systems.
  • Worked with APIs across commerce, analytics, and product data systems to improve data flow and operational reliability.
  • Supported reporting flows with GA4, Google Sheets, and Looker Studio.
  • Contributed to scalable SEO and content workflows based on structured data and AI.
April 2019 – October 2022Herning, Denmark

Independent Digital Execution

Pasionel

An independent phase spanning websites, digital execution, and business-facing problem-solving, strengthening a practical end-to-end understanding of how digital work is built, maintained, and improved.

  • Worked across websites, design, content, and technical execution in direct collaboration with business needs.
  • Built broad operational understanding of how digital assets, storefronts, and workflows need to connect in practice.
  • Strengthened the bridge between design decisions, implementation quality, and maintainable delivery.
November 2019 – May 2021Denmark

Founder / Designer / Developer

Independent e-commerce side project / Stjernekort.dk

A personalised star map poster business that deepened practical experience with product presentation, digital flows, and direct-to-consumer execution.

  • Built a niche e-commerce concept around personalized products and digital ordering flows.
  • Strengthened practical understanding of product setup, customer-facing execution, and commerce operations.
May 2017 – November 2020Kolding area, Denmark

Marketing Specialist

MitGavevalg.dk / Baxx Promotion, now Metz A/S

Part of a broader progression in the same business context, connecting digital platform thinking, campaign execution, catalog work, and the bridge between physical and digital customer experience.

  • Worked across digital platform needs, catalog execution, and customer-facing digital touchpoints.
  • Contributed to the operational link between commercial messaging, assortment presentation, and digital delivery.
March 2012 – November 2020Kolding, Denmark

Senior Graphic Designer

Metz A/S

A long formative period where responsibilities expanded beyond design into e-commerce development, webshop administration, product presentation, digital execution, and broader commercial work.

  • Worked with product presentation, web-related execution, and e-commerce support alongside design responsibilities.
  • Built broad commercial understanding by operating close to both physical products and digital customer touchpoints.
2005 – 2014Denmark

Earlier experience

Selected roles and formative experience

Earlier roles across apprenticeship, internships, freelance work, and retail formed the foundation for structured execution, production discipline, and practical commercial awareness.

  • UpstreaMarketing, freelance graphic designer, 2011–2014.
  • A-TEX Promotion, graphic designer, 2012.
  • Jacob Jensen Design, internship, 2011.
  • DM finalist in media graphics, 2011.
  • Sortberg+Hansen ApS, media graphic apprenticeship, 2008–2011.
  • føtex / Salling Group, part-time retail assistant, 2005–2008.

Tools & Systems

Tools matter when they fit into a coherent operating model.

I do not work with tools in isolation. I work with how they connect, how they pass data, and how they reduce operational friction over time.

PIM & product data

  • Plytix
  • Structured attributes
  • Catalog governance

Automation & workflows

  • Make.com
  • Operational triggers
  • Process simplification

Data modeling & transformation

  • Google Sheets
  • Validation logic
  • Data cleanup

Commerce platforms

  • Shoporama
  • Amazon Vendor
  • Amazon Seller

Analytics & reporting

  • GA4
  • Looker Studio
  • Operational dashboards

Integrations

  • REST APIs
  • CSV pipelines
  • Cross-system handoffs

AI-assisted scaling

  • SEO support
  • Content workflows
  • Image process support

Core Strengths

Systems thinking translated into practical execution.

I see where a setup stops scaling before the symptoms become expensive.

I break down complexity into concrete structures, workflows, and decisions.

I design data models that stay usable across multiple systems.

I replace manual friction with integrations where the payoff is real.

I automate without losing operational oversight.

I build for maintainability, not just short-term delivery.

How I Work

A practical process for fixing the parts that make scaling brittle.

The work is usually iterative, but the principle stays the same: get clarity first, build structure second, automate third.

  1. 1. Understand the current setup

    I start by understanding the current system landscape, the real constraints, and where ownership actually sits.

  2. 2. Identify bottlenecks and data issues

    I look for inconsistent data, manual friction, weak dependencies, and the points where scaling becomes fragile.

  3. 3. Map flows and dependencies

    I map how information moves across people, systems, and channels to see what must be reliable and what should be simplified.

  4. 4. Design a scalable structure

    I define a cleaner structure for product data, workflows, integrations, or operating responsibilities.

  5. 5. Implement hands-on

    I work directly in the systems, setup, and data model rather than stopping at recommendations.

  6. 6. Automate where it creates value

    I automate repeatable work where it improves reliability, speed, or capacity without creating hidden fragility.

  7. 7. Improve continuously

    I refine the setup based on live data, operational feedback, and what the workload reveals over time.

Selected Focus Areas

Selected focus areas.

01

Product data structure for scalable multi-channel use

How product information should be structured so one foundation can support marketplaces, reporting, and future channels without repeated cleanup.

02

Automation workflows that reduce manual handling

Practical automations that remove repetitive handling while preserving control, traceability, and maintainability.

03

Marketplace operations built for long-term maintainability

Operational marketplace setups that protect listing continuity, support compliance, and lower the cost of scaling across markets.

Contact

Open to relevant conversations.

If you are building or scaling an e-commerce setup and need stronger structure behind the scenes, LinkedIn is the right place to reach me.