Role Description This role is for one of our clients as a Mathematics Subject Matter Expert (AI Training) on a contractor basis, with a pay range of $20 - $40/hour and a remote location. In this role, you'll apply your expertise to help train next-generation AI systems. Your work will shape how models learn, reason, and perform through high-quality, real-world input. No prior experience in AI is required — your domain knowledge is what matters. Key Responsibilities - Mathematical Analysis & Problem Solving: - Review, solve, and evaluate advanced mathematical problems across pure and applied mathematics. - Develop accurate, well-structured mathematical proofs, derivations, technical explanations, and analytical solutions. - Ensure mathematical rigor, precision, and logical consistency in all deliverables. - AI Model Evaluation: - Assess AI-generated mathematical solutions for correctness, clarity, completeness, and logical reasoning. - Identify errors, inconsistencies, or gaps in AI outputs and provide actionable feedback to improve model performance. - Validate mathematical reasoning against established theories and best practices. - Content Development: - Create high-quality mathematical datasets, annotations, and domain-specific training content for AI model development. - Produce clear technical documentation and structured explanations covering a wide range of mathematical concepts. - Contribute to benchmark datasets used for evaluating AI reasoning capabilities. - Collaboration & Knowledge Sharing: - Collaborate remotely with cross-functional teams and subject matter experts across various mathematical disciplines. - Communicate complex mathematical concepts effectively to both technical and non-technical audiences. - Document methodologies, findings, and recommendations in a clear and organized manner. Qualifications - Bachelor's, Master's, or PhD in Mathematics, Applied Mathematics, or a closely related discipline. - Strong knowledge of pure and applied mathematics. - Experience writing mathematical proofs, research papers, technical reports, or analytical documentation. - Ability to evaluate mathematical reasoning with a high degree of accuracy and rigor. - Excellent analytical, critical thinking, and problem-solving skills. - Strong written and verbal communication skills with attention to detail. - Ability to work independently in a fully remote environment while managing deliverables effectively. Requirements - Experience reviewing or critiquing mathematical proofs, computational methods, or technical analyses. - Familiarity with current research trends, emerging applications, or open problems in mathematics. - Experience translating complex mathematical concepts into clear, understandable explanations for diverse audiences. - Exposure to mathematical modeling, computational mathematics, or applied research is an advantage. Must-Have Skills - Mathematics - Mathematical Reasoning - Problem Solving - Technical Writing Good-to-Have Skills - Applied Mathematics - Research & Publications - Mathematical Proofs - Data Annotation - Analytical Thinking - Remote Collaboration

Role Description Welo Data is looking for experienced quality reviewers to join a high-profile AI training data project in collaboration with one of the world’s leading voice AI platforms. As a Verifier, you will play a critical role in shaping the way AI understands and interacts with people globally by ensuring transcription accuracy and compliance with quality standards. - Review short audio transcriptions (~5 seconds) for accuracy and adherence to guidelines. - Approve correct transcriptions or reject with specific, actionable written feedback. - Identify and correct errors in punctuation, formatting, and style-guide application. - Support Analysts through constructive feedback to enhance overall quality. - Flag recurring issues to the project lead for resolution. Qualifications - Fluency: Native or near-native fluency in French. - Language Skills: Exceptional written skills with expert-level command of grammar, punctuation, and style. - Experience: Prior experience in quality review, editing, transcription QA, or related fields. - Attention to Detail: Strong critical eye for subtle errors in formatting and adherence to guidelines. - Technical Setup: A reliable computer, high-quality headphones, and stable internet connection. - Constructive Feedback Skills: Ability to provide clear, professional written feedback. - Commitment to Learning: Familiarity with annotation or linguistic QA tools is advantageous but not required. - Availability to commit 10–20 hours per week for up to 6 weeks. Requirements - Start Date: ASAP - Duration: 6 weeks, with the possibility of extension - Commitment: 10-20 hours per week for up to 6 weeks - Job Type: Freelance - Location: Remote (Luxembourg) - Language: French - Pay Rate: $29.70/hour Benefits - Join Welo Data to be part of an impactful project that helps make AI more culturally relevant and inclusive.

• As a freelance online French Language Trainer with Speexx, you'll be part of an international team that cares! • You will be able to immediately make a difference in the lives of our adult learners who come from some of the biggest companies in the world by outfitting them with the tools they need to communicate effectively in the workplace. • You will provide virtual 1:1 and group language training sessions via our platform and will be able to develop and broaden your teaching skills as opportunities arise within the Speexx global network.

Role Description As a freelance online French Language Trainer with Speexx, you'll be part of an international team that cares! You will be able to immediately make a difference in the lives of our adult learners who come from some of the biggest companies in the world by outfitting them with the tools they need to communicate effectively in the workplace. You will provide virtual 1:1 and group language training sessions via our platform and will be able to develop and broaden your teaching skills as opportunities arise within the Speexx global network. Qualifications - Proficient speaker (CEFR C2) of French - Official accredited certificate to teach French - Experience teaching online and adults in business contexts - English at a CEFR B2 level or higher - Ability to speak Italian at any level - Bachelor's degree or higher - Meet the technical requirements Requirements - Payments can ONLY be made to an IBAN account Benefits - Be part of an international team with full integration into our global community of coaches - Work from anywhere and whenever you want 24/7 - 100% remote and 100% autonomy over your work schedule - Full access to our trainer Academy with loads of professional development content - Google Calendar integration allows you to sync the Speexx calendar with your other freelancing calendars - All teaching materials and content are provided - Free language courses for you and discounts for family and friends - Paid initial and future training - Paid and fair cancellation policies - A variety of teaching services and/or pedagogical work to maximize your earnings Application Process - Speexx gets back to all candidates who complete the Application Form - Completing the Application Form should take approximately 15 minutes - Upload a C.V. and a cover letter - Verify that you are tax compliant in the country of your residence - Verify that you meet the Technical Specifications - Provide a link to a 1-2 minute introductory video highlighting your teaching efforts Technical Requirements - Computer random access memory (RAM): min 8 GB - Connect with Ethernet for best stability - Central processing unit (CPU): Multi-Core Score = minimum 1300 - Speed test: Download = min 30 mbps; Upload = min 10 mbps - Speexx Real Time Communication tool (RTC): Compatibility - Age of equipment: MAC: Not older than 2018 / PC: Not older than 2020 - iOS (Version 15.0 or later) Android (Version 8.0 and up) - Audio and visual equipment: high-quality audio and video, preferably via an external webcam and an actively noise-cancelling, cabled headset