Francis Wambugu - German Teacher

Q: Where is Francis based?

Francis is based in Stuttgart, Germany .

Q: What languages does Francis speak?

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

Q: How many years of experience does Francis have?

Francis has at least 2 years of experience. During this time, Francis has worked in at least 3 different roles and for 3 different companies . The average length of individual experience is 1 year and 6 months . Note that Francis may not have shared all experience and actually has more experience.

Q: What is Francis's latest experience?

Francis's most recent position is German Teacher at Goethe Institut-Nairobi .

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

In recent years, Francis has worked for Goethe Institut-Nairobi , Outlier , and RWS .

Q: Which industries is Francis most experienced in?

Francis is most experienced in industries like Education , Professional Services , and Information Technology .

Q: Which business areas is Francis most experienced in?

Francis is most experienced in business areas like Quality Assurance , Product Development , and Research and Development . Francis also has some experience in Information Technology .

Q: What is Francis's education?

Francis holds a Bachelor in Linguistics from University of Stuttgart .

Q: Does Francis have any certificates?

Francis has 2 certificates . These include: Data Annotation & Labeling Best Practices and NLP Fundamentals & Machine Learning For Language Processing .

Recommended expert

Stuttgart, Germany

Check rate

Experience

May 2024 - Dec 2024

8 months

Nairobi, Kenya

German Teacher

Goethe Institut-Nairobi

Teaching German literature and linguistics

Jan 2024 - Apr 2024

4 months

Germany

Senior German Data Annotator

Outlier

Managed the annotation and labeling of German-language datasets for machine learning and AI applications
Assisted in training and fine-tuning AI models by providing high-quality labeled data
Conducted named entity recognition (NER), text classification, speech-to-text corrections, and sentiment analysis
Ensured annotation consistency by developing guidelines and best practices
Collaborated with data scientists and engineers to refine annotation workflows and optimize training data
Reviewed and provided feedback on crowdsourced annotation projects to ensure quality control
Trained new team members on annotation tools and linguistic best practices

Mar 2023 - Oct 2023

8 months

German Language Data Specialist

RWS

Annotated and categorized large datasets to enhance chatbots, virtual assistants, and AI-driven translation tools
Performed lexical analysis and grammar corrections for NLP models
Worked closely with researchers to evaluate language model performance
Assisted in multi-language data projects, ensuring German translations maintained contextual accuracy

Industry Experience

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

Experienced in Education, Information Technology, and Professional Services.

Education

Information Technology

Professional Services

Business Area Experience

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

Experienced in Quality Assurance, Information Technology, Product Development, and Research and Development.

Quality Assurance

Information Technology

Product Development

Research and Development

Summary

Highly skilled German Data Annotator with 7 years of experience in text annotation, data labeling, and linguistic analysis. Expertise in natural language processing (NLP), sentiment analysis, and AI training data preparation. Adept at working with machine learning models, maintaining data accuracy, and improving AI language comprehension. Passionate about linguistic data quality and optimizing annotation processes.

Skills

German Language Proficiency
Data Annotation & Labeling
Nlp & Linguistic Analysis
Sentiment Analysis
Machine Learning Model Training Support
Text Classification & Entity Recognition
Quality Control & Data Validation
Use Of Annotation Tools E.G. Prodigy, Brat
Attention To Detail & Accuracy
Collaboration With Data Scientists & Ai Teams
Annotation Tools: Prodigy, Brat, Doccano
Nlp Frameworks: Spacy, Nltk, Tensorflow
Project Management: Jira, Trello, Asana
Data Processing: Excel, Google Sheets, Python (Basic Familiarity)

Languages

German

Native

English

Advanced

Education

Oct 2019 - Jun 2022

University of Stuttgart

Bachelor’s Degree in Linguistics · Linguistics · Stuttgart, Germany

Certifications & licenses

Data Annotation & Labeling Best Practices

NLP Fundamentals & Machine Learning For Language Processing

Statistics

Experience

Total positions 3

Experience in Education 0.5 y

Avg length 6 m

Longest experience 7 m

Global Experience

Countries worked in 2 (Kenya, Germany)

Primary country Kenya

Expertise

Recent roles German Teacher, Senior German Data Annotator, German Language Data Specialist

Main industries Education, Information Technology, Professional Services

Main business areas Quality Assurance, Information Technology, Product Development

Qualifications

Highest degree Bachelor

Certifications earned 2

Profile

Created

November 2025

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Frequently asked questions

Have questions? Find more information here.

Where is Francis based?

Francis is based in Stuttgart, Germany.

What languages does Francis speak?

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

How many years of experience does Francis have?

Francis has at least 2 years of experience. During this time, Francis has worked in at least 3 different roles and for 3 different companies. The average length of individual experience is 1 year and 6 months. Note that Francis may not have shared all experience and actually has more experience.

What roles would Francis be best suited for?

Based on recent experience, Francis would be well-suited for roles such as: German Teacher, Senior German Data Annotator, German Language Data Specialist.

What is Francis's latest experience?

Francis's most recent position is German Teacher at Goethe Institut-Nairobi.

What companies has Francis worked for in recent years?

In recent years, Francis has worked for Goethe Institut-Nairobi, Outlier, and RWS.

Which industries is Francis most experienced in?

Francis is most experienced in industries like Education, Professional Services, and Information Technology.

Which business areas is Francis most experienced in?

Francis is most experienced in business areas like Quality Assurance, Product Development, and Research and Development. Francis also has some experience in Information Technology.

What is Francis's education?

Francis holds a Bachelor in Linguistics from University of Stuttgart.

Does Francis have any certificates?

Francis has 2 certificates. These include: Data Annotation & Labeling Best Practices and NLP Fundamentals & Machine Learning For Language Processing.

What is the availability of Francis?

Francis is immediately available full-time for suitable projects.

What is the rate of Francis?

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