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Pure Mathematics Specialist - Freelance AI Trainer Project - remote job

Invisible Technologies

From anywhereRemote$35 - $65 an hour
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Posted: (11 days ago)Active until: until 15 November 2026

Pure Mathematics Specialist - Freelance AI Trainer Project - Education and teaching, remote

Invisible Technologies is hiring a Pure Mathematics Specialist - Freelance AI Trainer Project. The role sits in Education and teaching and is fully remote. The company places no restriction on where the candidate lives, so you can apply from anywhere.

The employer published the pay: $35 - $65 an hour. The advert sets no condition on working hours.

This vacancy passed an automated check: the list excludes any advert requiring a foreign work permit, visa sponsorship, a particular citizenship, or residence in a specific country.

In brief

Company
Invisible Technologies
Category
Education and teaching
Who may apply
From anywhere in the world
Work mode
Fully remote
Pay
$35 - $65 an hour
Employment type
Full time
Posted
16 September 2026 (11 days ago)
Active
until 15 November 2026
Source
Himalayas

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About this job

Are you a seasoned mathematician passionate about driving advancements in AI? With large-scale language models making rapid progress, ensuring their ability to handle complex proof-based reasoning hinges on robust mathematical training data. Leveraging your deep expertise, you can contribute to making AI systems more adept at understanding abstract concepts, logical reasoning, and the intricate structures of modern mathematics. Your insights will be crucial in shaping the future of AI.

We seek individuals with a profound understanding of pure mathematics, capable of exploring advanced topics in probability theory, measure theory, real and functional analysis, optimization, abstract algebra, and category theory. Additionally, we require a solid grasp of Lean 4, the proof assistant and programming language.

On a daily basis, you will craft and review intricate proofs, ensuring the mathematical reasoning is both correct and rigorous, and pinpointing any subtle conceptual or logical errors. You will also work closely with our team to develop and refine prompts, evaluation frameworks, and mathematical reasoning benchmarks, thereby enhancing the overall quality of our operations.

Ideal candidates will have a fluent command of Lean 4, a current or in-progress PhD in pure mathematics, or recent postdoc experience. You should be well-versed in essential topics like Markov’s and Chebyshev’s inequalities, Hoeffding bounds, convergence theorems, the Carathéodory extension theorem, the Riesz representation theorem, Banach-Alaoglu, Lax-Milgram, stochastic approximation, Van Kampen’s theorem, the Yoneda embedding, and representability in cohomology. Effective, metacognitive communication skills are also critical.

Ready to harness your Lean 4 proficiency and mathematical prowess to form the reasoning core of tomorrow’s AI? Apply now and play a pivotal role in educating the models that will support researchers, scientists, and engineers worldwide.

Our compensation range is $35 to $65 per hour, with the specific rate determined based on your experience, expertise, and geographic location. As a contractor, you will need to supply a secure computer and high-speed internet; company-sponsored benefits such as health insurance and PTO are not included.

Job title: Pure Mathematics and Lean 4 Specialist - Freelance AI Trainer Project Employment type: Contract Workplace type: Remote Originally posted on Himalayas

Donator wrote this description from the employer's advert. See the employer's original.

This vacancy was published on Himalayas. Original advert (Himalayas)

Frequently asked questions about this job

Can I apply for Pure Mathematics Specialist - Freelance AI Trainer Project from where I live?

Yes. Invisible Technologies accepts candidates for this vacancy from anywhere in the world, so you need no work permit for a foreign country. The advert passed an automated check: had the employer required a work permit, visa sponsorship or residence in a specific country, it would not be on this board.

What pay is stated?

The employer stated $35 - $65 an hour. That is the gross amount as published in the advert.

How do I apply?

You apply directly to the employer, through the original advert published on Himalayas. Donator takes no applications, charges no commission and stores no CV.

What kind of vacancy is this?

A fully remote role in Education and teaching. Hybrid adverts and anything requiring office attendance are not published on this board.

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