Work Location : Spain, Fully Remote Estimated Weekly
Workload : 10 hours Engagement Model : Independent
Contractor/Freelance Estimated Project Duration : up to 6 months
Estimated Start Date : March 23, 2026 At DataForce by TransPerfect
we are looking for professionals with a strong background in
mathematics to perform quality control on solution hints for
complex mathematical problems. The problems are comparable in
difficulty to those found in the International Mathematical
Olympiad (IMO). Our idóneo candidate has strong logical reasoning
skills and advanced mathematical training, with experience in
competition-level mathematics, academic research, or mathematically
intensive industry roles (e.g., professors, researchers, PhD
students, data scientists, quantitative analysts, or engineers).
Role Summary STEM Specialists will review and evaluate hints
written by another team of annotators, ensuring they meet defined
standards for logical reasoning, mathematical correctness, and
quality of explanation. This role focuses exclusively on review and
validation; STEM Specialists will not generate original hints. Key
Responsibilities Review solution hints for advanced mathematical
problems (IMO-level difficulty). Evaluate hints using defined QC
criteria, including: Logical soundness and coherence Mathematical




correctness Adequacy of the reasoning provided Identify and flag
hints that are incorrect, incomplete, or weak. Provide structured
feedback following project guidelines and tools. Communicate with
the project team and client when clarification is needed. Job
Requirements Strong logical reasoning skills. Min. Master's degree
or PhD. in Mathematics (undergraduate PhD. is also possible)
Advanced background in mathematics, ideally with experience in
competition-level problem solving (e.g., Olympiad training) or
mathematical research. Ability to critically evaluate complex
mathematical arguments. Proficiency in English (native level not
required). Clear written communication skills, especially for
explaining mathematical reasoning. DataForce by TransPerfect is
part of the TransPerfect family of companies, the world's largest
provider of language and technology solutions for global business,
with offices in more than 100 cities worldwide. We offer
high-quality data for Human-Machine Interaction to some of the most
prestigious technology companies in the world. Our department
focuses on gathering, enriching and processing data for Machine
Learning in different AI domains. To learn more about DataForce
please visit us at
https://www.transperfect.com/dataforce

📌 STEM Specialist - Mathematical Reasoning - Remote inSpain (Cataluña)
🏢 DataForce by TransPerfect
📍 Cataluña