Markus Sterner - Full Stack Developer for E-Commerce

Q: Where is Markus based?

Markus is based in Herrsching, Germany .

Q: What languages does Markus speak?

Markus speaks the following languages: German (Native), English (Advanced) .

Q: How many years of experience does Markus have?

Markus has at least 11 years of experience. During this time, Markus has worked in at least 6 different roles and for 9 different companies . The average length of individual experience is 1 year and 1 month . Note that Markus may not have shared all experience and actually has more experience.

Q: What is Markus's latest experience?

Markus's most recent position is Lead Developer at Endress+Hauser SICK GmbH+Co. KG .

Q: What companies has Markus worked for in recent years?

In recent years, Markus has worked for Endress+Hauser SICK GmbH+Co. KG , MediaMarktSaturn Retail Group GmbH , Seven.One Entertainment Group GmbH , SICK AG , and Kaiser X Labs GmbH .

Q: Which industries is Markus most experienced in?

Markus is most experienced in industries like Manufacturing , Information Technology , and Retail . Markus also has some experience in Insurance , Tourism , and Banking and Finance .

Q: Which business areas is Markus most experienced in?

Markus is most experienced in business areas like Information Technology , Product Development , and Quality Assurance . Markus also has some experience in Strategy , Sales , and Project Management .

Q: Which industries has Markus worked in recently?

Markus has recently worked in industries like Manufacturing , Retail , and Banking and Finance .

Q: Which business areas has Markus worked in recently?

Markus has recently worked in business areas like Information Technology , Product Development , and Quality Assurance .

Recommended expert

Herrsching, Germany

Check rate

Experience

Jan 2025 - Present

1 year 8 months

Ottendorf-Okrilla, Germany

Lead Developer

Endress+Hauser SICK GmbH+Co. KG

Lead developer of the frontend and backend systems for a web-based pre-sales tool. It is used by sales staff and engineers to configure and calculate complex measurement systems for industrial customers. Core features include a collaboration platform, a product configurator, physical feasibility checks, and a PDF generator.

TypeScript · Node.js · Nest.js · Angular · REST · MongoDB · Playwright

May 2024 - Aug 2026

2 years 4 months

Munich, Germany

Full Stack Developer

MediaMarktSaturn Retail Group GmbH

Development and maintenance of the third-party platform behind the online shops of MediaMarktSaturn.

Part of a team responsible for 16 microservices and 2 frontends.
The services run for ten European marketplaces.
The marketplace generated around €800 million in GMV in fiscal year 2025/26.

TypeScript · Node.js · Nest.js · React · GraphQL · REST · PubSub · BullMQ · MongoDB · GCP

Nov 2023 - Apr 2024

6 months

Unterföhring, Germany

Backend Developer

Seven.One Entertainment Group GmbH

Development and maintenance of more than 15 microservices in the area of content discovery for the streaming platform Joyn.

TypeScript · Node.js · GraphQL · REST · AWS · Kafka · MongoDB

Nov 2022 - Oct 2024

2 years

Dresden, Germany

Lead Developer

SICK AG

Development and maintenance of the frontend and backend of an internal web application. Built the end-to-end test framework, optimized the CI pipeline, and worked on UI/UX concepts and defining user stories.

TypeScript · Node.js · Nest.js · Angular · REST · AWS · Terraform · MongoDB · E2E Testing · CI/CD

Jun 2022 - Sep 2023

1 year 4 months

Munich, Germany

Lead Frontend Developer

Kaiser X Labs GmbH

Technical lead of the frontend development of an internal web application for Allianz Global Investors. Development of UI components and connection to the API, major contribution to the technical product strategy and the refinement of user stories, as well as architectural support for backend developers.

TypeScript · Angular · REST · Azure · Software Architecture

Apr 2021 - Mar 2022

1 year

Feuchtwangen, Germany

Co-Founder & CTO

Nomizz GmbH

Founded the company together with a business partner to build a SaaS application for machine builders and their customers. Built the prototype, hired a Full Stack Developer, and led product development as Product Manager and Developer. In March 2022, 84 registered users from 10 companies were using the platform. Left after a funding round did not come through.

TypeScript · React · Next.js · Node.js · GraphQL · REST · Azure · Auth0

May 2020 - Mar 2021

11 months

Düsseldorf, Germany

Full Stack Developer

SICK AG

Worked with the customer to develop the product vision for an internal collaboration tool, created user stories as well as UX and UI concepts, designed the system architecture, and developed the frontend application and backend services.

TypeScript · Angular · Node.js · GraphQL · REST · Software Architecture

Nov 2019 - Mar 2021

1 year 5 months

Munich, Germany

Full Stack Developer

MediaMarktSaturn Retail Group

Developed and maintained the frontend application and a backend system for the shopping cart product team. Worked on strategies to improve product KPIs, drove an automated end-to-end testing strategy, aligned development strategy and system architecture with other product teams, and built reusable frontend components.

TypeScript · React · Styled Components · Node.js · GraphQL · REST · GCP · E2E Testing · Software Architecture

Jun 2018 - Oct 2019

1 year 5 months

Munich, Germany

Lead Developer

Fineway GmbH

Lead developer in a team of four developers and one Product Owner. Developed and maintained frontend and backend systems for customer-facing and internal web applications, and designed a microservice architecture to aggregate, transform, and store data from different sources.

TypeScript · React · Styled Components · GraphQL · REST · Node.js · Python · Redis · PostgreSQL · Docker · Azure · Software Architecture

Oct 2015 - May 2018

2 years 8 months

Previous Projects

Colenet, Allianz Deutschland, Scandio

Industry Experience

See where this freelancer has spent most of their professional time.

Experienced in Manufacturing, Information Technology, Retail, Insurance, Banking and Finance, and Tourism.

Manufacturing

Information Technology

Retail

Insurance

Banking and Finance

Tourism

Business Area Experience

See which departments and functions this freelancer has contributed to most.

Experienced in Information Technology, Product Development, Quality Assurance, Strategy, Sales, and Project Management.

Information Technology

Product Development

Quality Assurance

Strategy

Sales

Project Management

Summary

Software development is my passion. It gives me great satisfaction to deliver clean code, a smart architecture, and a flawless user experience for my clients.

Thanks to my willingness to learn and my curiosity about the unknown, I have been able to build up valuable experience through many client projects. This knowledge allows me to find my way quickly in new software projects and become productive fast. By using AI tools, I can use this knowledge even faster and more effectively for my clients than before.

With my entrepreneurial mindset, I do not focus only on the tasks given to me, but also question them in a targeted way whenever I see the potential for a better solution for my clients.

Skills

Typescript
Node.Js
React
Rest
Angular
Graphql
Ci/Cd
Automated Tests
Product Development
Ai Tools

Languages

German

Native

English

Advanced

Education

Oct 2013 - Dec 2016

Ludwig-Maximilians-Universität München

B.A. · Media Informatics · Munich, Germany

Certifications & licenses

Advanced Certified Scrum Developer

Scrum Alliance

Statistics

Experience

Total positions 10

Experience in Manufacturing 5.5 y

Avg length 1 y 5 m

Longest experience 2 y 7 m

Global Experience

Countries worked in 1 (Germany)

Primary country Germany

Expertise

Recent roles Lead Developer, Full Stack Developer, Backend Developer

Main industries Manufacturing, Information Technology, Retail

Main business areas Information Technology, Product Development, Quality Assurance

Qualifications

Highest degree Bachelor

Certifications earned 2

Profile

Created

August 2026

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Frequently asked questions

Have questions? Find more information here.

Markus is based in Herrsching, Germany.

Markus speaks the following languages: German (Native), English (Advanced).

Markus has at least 11 years of experience. During this time, Markus has worked in at least 6 different roles and for 9 different companies. The average length of individual experience is 1 year and 1 month. Note that Markus may not have shared all experience and actually has more experience.

Based on recent experience, Markus would be well-suited for roles such as: Lead Developer, Full Stack Developer, Backend Developer.

Markus's most recent position is Lead Developer at Endress+Hauser SICK GmbH+Co. KG.

In recent years, Markus has worked for Endress+Hauser SICK GmbH+Co. KG, MediaMarktSaturn Retail Group GmbH, Seven.One Entertainment Group GmbH, SICK AG, and Kaiser X Labs GmbH.

Markus is most experienced in industries like Manufacturing, Information Technology, and Retail. Markus also has some experience in Insurance, Tourism, and Banking and Finance.

Markus is most experienced in business areas like Information Technology, Product Development, and Quality Assurance. Markus also has some experience in Strategy, Sales, and Project Management.

Markus has recently worked in industries like Manufacturing, Retail, and Banking and Finance.

Markus has recently worked in business areas like Information Technology, Product Development, and Quality Assurance.

Markus holds a Bachelor in Media Informatics from Ludwig-Maximilians-Universität München.

Markus has 2 certificates. These include: Advanced Certified Scrum Developer and Certified ScrumMaster.

Markus will be available from September 2026.

Markus's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.

To hire Markus, click the Meet button on the profile to request a meeting and discuss your project needs.

Daily Rate Distribution

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<€720 €720-800 €800-880 €880-960 €960-1040 €1040-1120 €1120+

The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.

Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.

Average rates for similar positions

Rates are based on recent contracts and do not include FRATCH margin.

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Daily rate avg. 886 €

The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.

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750

500

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Median rate 884 €

The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.

Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.