Marcel Weeske - Full Stack Developer

Q: Where is Marcel based?

Marcel is based in Orléans, France .

Q: What languages does Marcel speak?

Marcel speaks the following languages: German (Native), English (Advanced), Spanish (Advanced), French (Intermediate) .

Q: How many years of experience does Marcel have?

Marcel has at least 8 years of experience. During this time, Marcel has worked in at least 4 different roles and for 4 different companies . The average length of individual experience is 2 years and 11 months . Note that Marcel may not have shared all experience and actually has more experience.

Q: What is Marcel's latest experience?

Marcel's most recent position is Full Stack Developer at Freelance .

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

In recent years, Marcel has worked for Freelance , KissCoders UG , and TQS Integration Ltd. .

Q: Which industries is Marcel most experienced in?

Marcel is most experienced in industries like Information Technology (IT) , Automotive , and Manufacturing . Marcel also has some experience in Pharmaceutical and Retail .

Q: Which business areas is Marcel most experienced in?

Marcel is most experienced in business areas like Information Technology (IT) , Product Development , and Research and Development (R&D) . Marcel also has some experience in Quality Assurance (QA) .

Q: Which industries has Marcel worked in recently?

Marcel has recently worked in industries like Information Technology (IT) , Automotive , and Manufacturing .

Q: Which business areas has Marcel worked in recently?

Marcel has recently worked in business areas like Information Technology (IT) , Product Development , and Research and Development (R&D) .

Recommended expert

Orléans, France

Experience

Jul 2023 - Present

2 years 9 months

Orléans, France

On-site

Full Stack Developer

Freelance

Collaborated with frontend developers, backend engineers and data engineers to lead the development of a price comparison site for auto parts
Developed a machine-learning application for a microphone-equipped glove used in automotive manufacturing that analyzes the sound of cable connections to detect correct assembly
Database integration with Hasura
Development of an LLM algorithm for text evaluation based on OpenAI embeddings
Development of data-collection bots
Kubernetes container orchestration
Development of microservices with Docker
Frontend development with Vue 3
Bypassing Cloudflare
Development of web scrapers with Puppeteer
Frontend development with Nuxt.js and Vue.js
Development of custom AI tools (e.g. AI audio transcription)
Implementation of custom-trained AI chatbots on client sites
Backend development with Rust and Axum
Development of machine-learning algorithms with Python (NumPy, TensorFlow, Pandas)

Dec 2021 - Jun 2023

1 year 7 months

Essen, Germany

Co-Founder and Backend Developer

KissCoders UG

Development of web scraping bots for a B2B e-commerce price comparison platform
Reverse engineering and integration of over 40 external shops
Development of integration tests for external APIs
Normalization and validation of external data integrity
Microservice development with Docker
Development of an LLM algorithm for text evaluation based on OpenAI embeddings

Oct 2018 - May 2021

2 years 8 months

Madrid, Spain

Backend Developer and Data Engineer

TQS Integration Ltd.

Development and maintenance of data networks for production facilities of large pharmaceutical companies on GCP/AWS
Design of data pipelines
Implementation of data pipelines including backup servers
Integration of intranet data sinks to web applications
Development of tools for data visualization and storage
Aggregation of data from different production facility elements via various interfaces

Feb 2018 - Oct 2018

9 months

Stuttgart, Germany

Embedded Systems Engineer

Robert Bosch GmbH

Developed automated test cycles to improve measurement accuracy and speed
Developed electrical and pneumatic test benches with control and evaluation software
Supervised students during test cycle execution
Evaluated and analyzed test results
Adjusted process control software based on results
Implemented evaluation algorithms with variable smoothing
Supported other Robert Bosch plants in software and test cycle development for electrical test benches
Conducted customer measurements using developed prototypes

Industries Experience

See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.

Experienced in Information Technology (7 years), Automotive (3.5 years), Manufacturing (3.5 years), Pharmaceutical (2.5 years), and Retail (1.5 years).

Information Technology

Automotive

Manufacturing

Pharmaceutical

Retail

Business Areas Experience

The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.

Experienced in Information Technology (7 years), Product Development (5 years), Research and Development (2.5 years), and Quality Assurance (0.5 years).

Information Technology

Product Development

Research and Development

Quality Assurance

Summary

I am an experienced software engineer who has worked on many different types of software. I started as a research and development engineer with a master's degree in mechanical engineering, where I focused on engineering computer science. From my first role as an R&D engineer, where I programmed software for process control and analysis, I moved into data engineering in pharmaceutical production facilities. Now I have been working in web development for 7 years, mainly as a backend engineer, and I love constantly learning and tackling tough challenges.

Skills

Typescript
Javascript
Python
Rust
C#
Labview
Matlab
Sql
Nodejs
Graphql/hasura
Docker
Kubernetes
Terraform
Gcp/aws
Vuejs
Postman
Puppeteer
Pandas
Github
Jest
Cheerio
Grafana
Expressjs

Languages

German

Native

English

Advanced

Spanish

Advanced

French

Intermediate

Education

Oct 2015 - Mar 2018

Ruhr-Universität Bochum

Master of Science · Mechanical Engineering, Control Engineering and Engineering Informatics · Bochum, Germany

Oct 2011 - Mar 2015

Ruhr-Universität Bochum

Bachelor of Science · Mechanical Engineering, Control Engineering and Engineering Informatics · Bochum, Germany

Profile

Created

October 2025

Last Update

October 2025

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Frequently asked questions

Do you have questions? Here you can find further information.

Where is Marcel based?

Marcel is based in Orléans, France.

What languages does Marcel speak?

Marcel speaks the following languages: German (Native), English (Advanced), Spanish (Advanced), French (Intermediate).

How many years of experience does Marcel have?

Marcel has at least 8 years of experience. During this time, Marcel has worked in at least 4 different roles and for 4 different companies. The average length of individual experience is 2 years and 11 months. Note that Marcel may not have shared all experience and actually has more experience.

What roles would Marcel be best suited for?

Based on recent experience, Marcel would be well-suited for roles such as: Full Stack Developer, Co-Founder and Backend Developer, Backend Developer and Data Engineer.

What is Marcel's latest experience?

Marcel's most recent position is Full Stack Developer at Freelance.

What companies has Marcel worked for in recent years?

In recent years, Marcel has worked for Freelance, KissCoders UG, and TQS Integration Ltd..

Which industries is Marcel most experienced in?

Marcel is most experienced in industries like Information Technology (IT), Automotive, and Manufacturing. Marcel also has some experience in Pharmaceutical and Retail.

Which business areas is Marcel most experienced in?

Marcel is most experienced in business areas like Information Technology (IT), Product Development, and Research and Development (R&D). Marcel also has some experience in Quality Assurance (QA).

Which industries has Marcel worked in recently?

Marcel has recently worked in industries like Information Technology (IT), Automotive, and Manufacturing.

Which business areas has Marcel worked in recently?

Marcel has recently worked in business areas like Information Technology (IT), Product Development, and Research and Development (R&D).

What is Marcel's education?

Marcel holds a Master in Mechanical Engineering, Control Engineering and Engineering Informatics from Ruhr-Universität Bochum and a Bachelor in Mechanical Engineering, Control Engineering and Engineering Informatics from Ruhr-Universität Bochum.

What is the availability of Marcel?

Marcel is immediately available full-time for suitable projects.

What is the rate of Marcel?

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