Freelancer profile translated to English.
Back to original languageAbout Marcel
Info
Backend and Data Engineering expert with extensive experience in a wide range of technologies and programming languages. Passionate about solving complex problems – with a little effort, anything is possible!
- Bypassing Cloudflare
- Development of AI-based audio transcription tools
- Creation of custom AI chatbots
- Individual AI solutions
- Container orchestration in Kubernetes
- Development of microservices with Docker
- Implementation of over 20 B2B online shop integrations in NodeJS
- Normalization and integrity check of external data
- Experience with integration tests against external APIs (Polly.js)
- Development of web scrapers with Puppeteer and JQuery
- Database design and connection (PostgreSQL)
- Implementation and connection of Rest APIs
- Development of algorithms for Cyber-Physical Systems using existing Machine
Learning models (e.g., a model for controlling an artificial pancreas)
- Independent development of Machine Learning models for Cyber-Physical Systems
- Creation of text processing algorithms with OpenAI embeddings
- Passion for Clean Code
- Test-Driven Development (TDD)
Do you have an exciting project? Feel free to contact me!
I speak fluent German, English, Spanish, and can also converse in French.
German
Native or bilingual
English
Native or bilingual
Spanish
Fluent
French
Conversational
Can work on-site
Orléans (up to 50km)
Experience
- Self EmployedFull Stack EngineerJuly 2023 - May 2025 (1 year and 10 months)- Database connection with Hasura- Development of an LLM algorithm for text evaluation based on OpenAI embeddings- Development of bots for data collection- Kubernetes container orchestration- Microservice development with Docker- Development of frontend applications with Vue 3- Bypassing Cloudflare protection mechanisms- 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 individually trained AI chatbots on customer sites- Backend development in Rust and Axum- Development of Machine Learning algorithms with Python using NumPy, TensorFlow, and Pandas
- KissCoders UGCo Founder and Backend EngineerDecember 2021 - June 2023 (1 year and 6 months)Working for various clients:- Development of bots for a price comparison platform in B2B e-commerce- Reverse engineering and integration of over 40 external shops- Development of integration tests against external APIs- Normalization and data integrity check of external data- Microservice development with Docker- Development of an LLM algorithm for text evaluation based on OpenAI embeddings- Development of web scrapers for data collection for a price comparison platform
- TQS Integration Ltd.Software EngineerNovember 2018 - April 2021 (2 years and 5 months)Madrid, Spain
Recommendations
Be the first to recommend Marcel
Help this freelancer shine by sharing your experience working together.
These freelancer profiles also match your criteria
Agatha Frydrych
Backend Java Software Engineer
4.7
(3)
2
Baptiste Duhen
Fullstack developer
4.6
(4)
5
Amed Hamou
Senior Lead Developer
4
(2)
7
Audrey Champion
Web developer
4.3
(3)
4
Education
- Master of ScienceRuhr University Bochum2018Master of Science - MS, Maschinenbau
- Master's Thesis, Sensor TechnologyRobert Bosch GmbH2018Masterarbeit, Sensor Technology