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Invisible Technologies

Mathematics Specialist, Fluent in German – Freelance Trainer

Invisible Technologies

. Shape high-quality training data for large-scale language models .

Posted 11/5/2026contractRemote • United StatesMid-LevelSenior💰 $6 - $65 per hourWebsite

Core Competencies

Role fit
Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in advanced mathematics, including algebra, calculus, and statistics, while effectively communicating complex concepts and methodologies. Holds a master's or PhD in mathematics or a related field, with a strong background in research and teaching.

Highest-signal resume keywords
Mathematics ExpertiseFluent In GermanMaster's Or PhD In MathematicsPeer-Reviewed PublicationsTeaching Experience

ATS Keywords

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Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills
AlgebraCalculusNumber TheoryLinear AlgebraDifferential EquationsStatisticsGeometryMathematical LogicDiscrete MathematicsMathematical Modeling
Soft Skills
Clear CommunicationMetacognitive Communication
Industry Keywords
Applied MathematicsOptimization TheoryMathematical ProofsSet TheoryProbability DistributionsCryptographic AlgorithmsReal AnalysisComplex Analysis

About the role

Key responsibilities & impact
  • Shape high-quality training data for large-scale language models
  • Challenge advanced language models on advanced mathematics topics
  • Converse with models on classroom problems and theoretical mathematics questions
  • Verify factual accuracy and logical soundness
  • Capture reproducible error traces and document model failure modes
  • Suggest improvements to prompt engineering and evaluation metrics

Requirements

What you’ll need
  • Mathematics expertise in algebra, calculus, number theory, linear algebra, differential equations, statistics, geometry, mathematical logic, and discrete mathematics
  • Ability to work on real and complex analysis, optimization theory, mathematical proofs, set theory, probability distributions, cryptographic algorithms, and applied mathematics
  • Fluent in German
  • Clear, metacognitive communication and ability to “show your work”
  • A master’s or PhD in mathematics or a closely related quantitative field is ideal
  • Peer-reviewed publications, teaching experience, research in pure or applied mathematics, or hands-on experience with mathematical modeling signal fit

Benefits

Comp & perks
  • None; company-sponsored benefits such as health insurance and PTO do not apply
  • Contractor supplies a secure computer and high-speed internet