Alignerr
Labelbox's network of experts who train and evaluate AI models, from audio and languages to STEM and coding.
Pay figures cover the 445 open jobs that publish an hourly rate in USD. They are published rates, not a guarantee of income. Last checked on October 8, 2026.
You apply on Alignerr, Labelbox's expert network: create a profile, complete an AI-led interview and skills assessment, then get matched to projects in your field.
Official site: alignerr.com. SideHustler is independent of Alignerr.
This remote contract role puts a native Marathi speaker in charge of a team of labelers and reviewers working on audio transcription for AI training. The expert provides linguistic guidance, audits work for accuracy and consistency, and keeps the team aligned on project guidelines.
This contract role asks a marketer to produce data-driven content across landing pages, emails, blog posts, social copy and ads, with the goal of lifting engagement and conversion. It suits experienced content marketers who can combine storytelling with analytical thinking and work independently on a remote, asynchronous schedule.
This remote contract role invites experienced marketing educators to review AI-generated marketing questions, scenarios and explanations used to train models. The work checks whether the reasoning on branding, consumer behavior and go-to-market planning is accurate and useful. It suits instructors who have taught marketing at university level and can give structured feedback at their own pace.
This flexible, task-based contract asks experienced marketing professionals to design realistic enterprise marketing scenarios that train and evaluate advanced AI agents. The work centers on drafting on-brand announcements, building competitive comparisons and tracing campaign attribution, each paired with a precise scoring rubric. It suits marketers who are comfortable with campaign data and want to shape how AI handles real marketing work.
This remote, asynchronous contract role asks holders of a Master's or PhD in a STEM or highly technical field to build hard, multi-disciplinary problems and review AI-generated solutions to strengthen how AI systems reason. It suits self-directed researchers with publications or substantial original projects who can explain complex ideas precisely in writing. Hours are flexible and the work may extend into further projects.
This remote contract role asks materials science specialists to write and check demanding problems that test how AI models reason about semiconductor materials and molecular modeling. It is aimed at Master's and PhD holders, including working researchers, academics and industry experts. Candidates review AI-generated scientific answers and help close their gaps, and no prior AI experience is required.
This remote contract role asks materials science experts to help train and evaluate AI models on semiconductor materials, molecular modeling, and other advanced materials problems. It is aimed at researchers with a master's or doctoral background who can write and review scientifically rigorous problems. No prior AI experience is needed because training is provided.
This contract role asks mathematics experts to label, organize and check math content that trains AI models. The work is remote and asynchronous, with a minimum weekly commitment. It suits people with strong math backgrounds in research, teaching or applied problem solving.
This freelance role asks mathematicians to design demanding problems and reference solutions that test how AI systems reason. The work also includes checking model outputs for accuracy and giving structured feedback, with benchmarks spanning undergraduate to PhD-level material. It suits people with advanced mathematical training who can work independently and remotely.
The role consists of translating informal mathematical arguments into machine-verifiable proofs in Lean and related proof assistants, and of analyzing where automated provers struggle. It is aimed at mathematicians with graduate training and hands-on proof assistant experience who can work independently on open-ended problems.
This is a remote, hourly freelance contract for mathematicians who formalize advanced arguments in Lean 4 and help build large formal libraries such as mathlib. It suits people with graduate-level training in mathematics who enjoy formal logic and want their work to shape how frontier AI systems learn mathematical reasoning.
This remote contract role asks mathematicians to write and audit formal proofs in Lean 4, contributing to large formal libraries such as mathlib. It suits people with an advanced degree in mathematics who can turn informal reasoning into machine-checkable proofs and want to help train mathematically capable language models.
This remote contract role asks mathematicians to write, check and audit formal proofs in Lean 4, feeding large formal libraries and helping train language models that reason mathematically. It is aimed at people with advanced training in mathematics who can work independently and asynchronously.
This remote contract role asks mathematicians to write and check formal proofs in Lean 4, strengthening large formal libraries and the mathematical reasoning of language models. It suits people with a graduate degree in mathematics who are comfortable working independently and asynchronously.
This remote contract role asks mathematicians to translate informal theorems and arguments into machine-checkable proofs in Lean 4, helping build the formal foundations that advanced AI systems rely on. It is aimed at candidates with graduate training in mathematics or a closely related field who enjoy rigorous proof and can work independently on an asynchronous schedule.
This is a remote, freelance contract for mathematicians who write formal proofs in Lean 4. The work involves turning informal mathematical arguments into machine-checkable proofs and contributing to large formal libraries, while supporting the training of mathematically capable language models. It suits people with a graduate background in mathematics who are comfortable working independently and on their own schedule.
This contract role asks mathematicians to formalize advanced theorems in Lean 4 and to contribute to large formal libraries such as mathlib. It also covers auditing existing formal proofs and helping train mathematically capable language models. It suits holders of a graduate degree in mathematics who can work independently and asynchronously on flexible hours.
This freelance contract is for PhD-level mathematicians who will evaluate and improve how AI systems handle mathematical reasoning. The work covers writing and reviewing advanced problems, checking AI-generated proofs and calculations, and organizing mathematical content for training datasets. It suits holders of a doctorate in mathematics or a closely related field who can work independently and remotely on their own schedule.
This contract role asks mathematicians to formalize advanced theorems and proofs in Lean 4 and to audit existing formal proofs for correctness. The work also helps train language models to reason mathematically and feeds into large formal libraries such as mathlib. It suits people with graduate training in mathematics who are comfortable working independently and asynchronously.
This freelance role asks mathematicians to turn informal proofs into machine-checkable formal proofs in Lean 4, helping shape how advanced AI systems reason. The work covers theorems from many mathematical fields, contributions to large formal libraries, and auditing existing proofs. It suits holders of advanced mathematics degrees who can work independently on flexible, remote schedules.
Add your resume once. Every open job is scored against your profile, and we email you only when a strong match appears. Free.
FAQ
445 Alignerr jobs are open on SideHustler today. Listings are rechecked against the official postings: the latest check on this list was on October 8, 2026.
Among the 445 open roles that publish an hourly rate in USD, pay runs from $10 to $400 per hour, with a median of $63. These are the rates the platforms publish, not a guarantee of income or hours.
The most requested areas of expertise on these listings are AI Evaluation, Data Annotation, Multilingual Expertise, Content Annotation, Code Quality & Review. Each listing states its own requirements.
You apply on Alignerr, Labelbox's expert network: create a profile, complete an AI-led interview and skills assessment, then get matched to projects in your field.
Alignerr does not publish the eligible countries on its postings, so the listings do not show any. Check the official posting before you apply.
No. SideHustler is independent of Alignerr. We list its public postings and send you to the official one to apply. When an Apply link is a referral link, it is marked as such.
Apply now opens the official posting on the platform, where you complete the application. You need no account on SideHustler. To see which roles fit your background first, add your resume and every open job is scored against your profile.