Recommended expert

Francis Wambugu

German Teacher

Francis Wambugu
Stuttgart, Germany

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

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 Education (0.5 years), Information Technology (0.5 years), and Professional Services (0.5 years).

Education
Information Technology
Professional Services

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 Quality Assurance (1 year), Information Technology (0.5 years), Product Development (0.5 years), and Research and Development (0.5 years).

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

Profile

Created
Need a freelancer? Find your match in seconds.
Try FRATCH GPT
More actions

Frequently asked questions

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

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 (IT).

Which business areas is Francis most experienced in?

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

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.

How to hire Francis?

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

Average rates for similar positions

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

1000
750
500
250
Market avg: 840-1000 €
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.