Job Title: Biology Expert

Job Type: Contractor

Location: Remote

Job Summary: 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:

• Analyze technical documents and extract key information relevant to your domain expertise
• Generate, review, and refine questions and solutions based on real-world mechanical engineering scenarios
• Collaborate with multidisciplinary teams to ensure accuracy and depth of data and analysis
• Provide detailed written and verbal feedback on document clarity, technical accuracy, and effectiveness
• Apply advanced subject matter knowledge to evaluate and solve complex engineering problems
• Work independently, managing your time to deliver high-quality outputs with minimal supervision
• Contribute to the continuous improvement of data quality and project processes
  
  

Required Skills And Qualifications:

• 2+ years of professional or academic experience in mechanical engineering or a closely related field (lab, workplace, or academia)
• Strong reading comprehension skills, with proven ability to analyze and interpret technical documents
• Exceptional English communication skills, both written and verbal
• Demonstrated experience in creating or evaluating technical content, such as reports, studies, or problem sets
• Ability to work independently and efficiently, with excellent self-management
• High attention to detail and commitment to data accuracy
• Experience interfacing with technical documentation and performing analytical tasks
  
  

Preferred Qualifications:

• Advanced degree (Master’s or PhD) in Mechanical Engineering, Chemistry, Physics, or Biology
• Previous experience contributing to interdisciplinary or research-driven projects
• Familiarity with data-driven analysis or training data preparation
  
  

Job Summary: 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.

Key Responsibilities:

• Analyze, review, and interpret complex biological documents, research papers, and data sets to create high-quality assessment content.
• Formulate and vet biology-related questions focused on data retrieval, computation, and critical analysis.
• Deliver clear explanations and detailed feedback to enhance AI model understanding.
• Collaborate with a remote, interdisciplinary team to ensure ongoing content accuracy and quality.
• Contribute domain-specific expertise to support the continuous improvement of AI systems.
• Work independently to meet deadlines and achieve high productivity with minimal supervision.
• Uphold rigorous standards for written and verbal communication in English.
  
  

Required Skills And Qualifications:

• Minimum 2 years of professional experience in biology, either in academia, laboratory settings, or relevant industry roles.
• Demonstrated ability to analyze and synthesize complex biological information from diverse sources.
• Strong written and verbal English communication, with an emphasis on clarity and detail.
• Excellent reading comprehension, particularly in interpreting research and technical documents.
• Experience creating or reviewing problem sets, assessments, or scientific analyses.
• Ability to work autonomously and efficiently in a remote environment.
• High attention to detail and commitment to quality.
  
  

Preferred Qualifications:

• Advanced degree (Master’s or PhD) in Biology or closely related field.
• Experience collaborating with multidisciplinary teams or involvement in cross-functional projects.
• Familiarity with computational biology or data analysis tools.

About HumanSignal

Real-world data is the competitive edge in AI.

HumanSignal is a human data partner for companies building AI models and products. Our customers ship better AI, faster, because we partner with their researchers from real-world data creation to annotation to delivery.

We design and create datasets from scratch, recruit and manage the domain experts who evaluate model output, and run everything through our own platform, Label Studio, the open-source standard for data labeling and evaluation, used by over 1 million practitioners worldwide.

We specialize in the operationally complex: real-world data collection, multimodal pipelines, and multi-step workflows. Advanced ML and AI teams use our enterprise platform to run their own data factories, and our services team to extend their reach where in-house capacity runs out.

If you want to do work that materially shapes how the next generation of AI products gets built, we’d love to talk.

Graphic Design Expert

Location: Remote

Type: Part-Time Contract (20 hours per week for 4 weeks | 80 hour minimum commitment)

Duration: 4 weeks with potential for ongoing work

Compensation: Up to $25/hour for US-based candidates

About the Project

You’ll examine designs to understand color schemes, font choices, and other design elements. You will then review a slide within that design that seems out of place. Leveraging your graphic design expertise, along with what you learn in our training, you will edit the incorrect slide to match the rest of the overall design. This is all in an effort to train AI models that assess design effectiveness—contributing to cutting-edge technology that advances how AI understands and evaluates visual content quality.

What You’ll Do

• Review designs in Canva Editor to examine various design dimensions:
  • Typography quality (readability, hierarchy, font pairing appropriateness)
  • Visual hierarchy effectiveness (clarity, balance, focal point strength)
  • Design element execution (icon quality, illustration polish, image selection)
  • Color palette effectiveness (harmony, contrast, accessibility)
  • Layout and composition quality (grid usage, spacing, alignment)
  • Overall design effectiveness and professional polish
• Identify flaws in one slide within the overall design. These flaws may be minor, like simple font size issues. They may be major, requiring a full reconstruction of the slide
• Using the other slides in the design as reference, edit the flawed slide to build more cohesion across the entire design
• Process high volumes of design samples with sustained attention to detail
• Meet quality benchmarks for rating consistency and inter-rater reliability

Basic Qualifications

Required Experience

• Formal training in graphic design, visual arts, or related field(degree, certificate, or bootcamp completion) OR 2-3 years of professional graphic design experience
• Fully proficient at intermediate to expert level in Canva Editor
• Strong proficiency in design principles (composition, color theory, typography, visual hierarchy)
• Ability to objectively critique and evaluate design work against industry standards
• Understanding of what constitutes effective vs. ineffective design choices
• Experience reviewing or providing design feedback
• Exceptional attention to detail and ability to maintain focus during repetitive tasks

Skills & Attributes

• Comfort with highly repetitive work—ability to maintain quality and engagement while rating similar content for extended periods
• Strong visual discrimination and consistent aesthetic judgment
• Reliability and consistency in your evaluation standards
• Self-motivated with ability to work independently on repetitive tasks
• Excellent focus and concentration for sustained periods
• Strong communication skills for flagging edge cases or unclear examples
• Comfortable with feedback and re-calibration
• Minimum 20 hours per week availability for at least 4 weeks, with potential to extend

Nice-to-Haves

Preferred Background

• Portfolio demonstrating diverse design work and critical eye
• Experience as a design reviewer, art director, or in quality assurance roles
• Understanding of accessibility standards (WCAG, inclusive design principles)
• Knowledge of design across multiple contexts (branding, editorial, digital, UX/UI)
• Experience teaching or mentoring design concepts

Technical Experience

• Experience with Canva Editor
• Prior data annotation, content moderation, or quality evaluation experience
• Exposure to machine learning or computer vision concepts
• Familiarity with design systems and component libraries

Work Style

• High tolerance for repetitive evaluation tasks—finds rhythm and satisfaction in systematic work
• Ability to maintain consistent standards across thousands of ratings
• Strong pattern recognition—quickly identifying quality patterns across examples
• Disciplined, methodical approach with minimal variation in judgment
• Problem-solving mindset for handling ambiguous or borderline cases
• Interest in AI/ML applications in design and creative fields
• Previous remote work experience with self-directed tasks

What Makes Someone Successful in This Role

You thrive on consistency and repetition- You find satisfaction in systematic work and can maintain quality standards while evaluating similar content repeatedly without losing focus or accuracy.

You have a calibrated design eye- You can quickly assess design quality against objective criteria and apply the same standards consistently across hundreds or thousands of examples.

You’re objective and principled- You separate personal taste from professional assessment, basing ratings on established design principles rather than subjective preference.

You maintain sustained focus- You can work through high volumes of repetitive tasks while staying sharp and attentive to subtle quality differences.

You’re a clear communicator- You flag confusing examples or rating criteria early, ask clarifying questions, and document edge cases clearly.

You’re curious about technology- You’re genuinely interested in how AI learns to evaluate design quality and see value in contributing to machine learning training data.

Toloka AI supports frontier model post-training by building domain-specific reinforcement learning environments, tasks, and evaluation frameworks designed by real practitioners.

Job Type: Contract, Part-time

Location: Remote

Role Description

In this hourly, remote contractor role, you will work as a Copywriting & Content Subject Matter Expert (SME) to review AI-generated marketing/content-writing outputs and/or create expert copy and content, evaluating reasoning quality, intent alignment, and step-by-step writing decisions while providing precise written feedback. You will assess solutions for accuracy, clarity, brand fit, tone, and adherence to the prompt; identify issues in logic, messaging, audience targeting, claims/compliance risk, structure, and style; fact-check statements where needed; write high-quality explanations and model outputs that demonstrate strong copywriting technique; and rate and compare multiple responses based on effectiveness, correctness, and reasoning quality. This role is with a fast-growing AI Data Services company delivering training data for many of the world’s largest AI companies and foundation-model labs. Your copywriting expertise directly helps improve the world’s premier AI models by making their writing more persuasive, accurate, on-brand, and clearly explained. Important: There is no immediate project for this role; however, if qualified, you will be among the first experts we reach out to when relevant opportunities arise. This will also provide you with access to future projects available through our expert network.

Your Profile

• Bachelor’s degree (or higher) in Communications, Marketing, Journalism, English, or a related field (or equivalent professional experience).
• 5+ years of professional experience in copywriting, content writing, editorial, content marketing, or brand storytelling.
• Strong command of brand voice, tone adaptation, and audience-aware writing (B2B and/or B2C).
• Ability to evaluate and improve writing for clarity, structure, persuasion, and consistency, including headlines, CTAs, and narrative flow.
• Demonstrated ability to spot and correct factual errors, weak reasoning, overclaims, and potential compliance issues (especially in regulated domains).
• Familiarity with common content formats: landing pages, email campaigns, blog posts, ads, social posts, product copy, scripts, and long-form guides.
• Comfort providing specific, actionable feedback and writing gold-standard rewrites with rationale; minimum C1 English proficiency.
• Reliable, self-directed, and able to deliver consistent quality in an hourly, remote contractor workflow across time zones.
• Prior experience with AI data training/annotation, content QA, editorial operations, or style-guide governance is strongly preferred.
  
  

Key Responsibilities

• Develop AI Training Content: Create detailed prompts and gold-standard copy/content across multiple formats and industries to guide AI learning.
• Optimize AI Performance: Evaluate and rank AI responses to improve clarity, persuasion, tone match, and factual reliability.
• Ensure Model Integrity: Test AI outputs for inaccuracies, hallucinated claims, bias, unsafe advice, and brand-risk issues; validate reliability across use cases.

Job Type: Contract, Part-time

Location: Remote

Role Description

In this hourly, remote contractor role, you will work as a Copywriting & Content Subject Matter Expert (SME) to review AI-generated marketing/content-writing outputs and/or create expert copy and content, evaluating reasoning quality, intent alignment, and step-by-step writing decisions while providing precise written feedback. You will assess solutions for accuracy, clarity, brand fit, tone, and adherence to the prompt; identify issues in logic, messaging, audience targeting, claims/compliance risk, structure, and style; fact-check statements where needed; write high-quality explanations and model outputs that demonstrate strong copywriting technique; and rate and compare multiple responses based on effectiveness, correctness, and reasoning quality. This role is with a fast-growing AI Data Services company delivering training data for many of the world’s largest AI companies and foundation-model labs. Your copywriting expertise directly helps improve the world’s premier AI models by making their writing more persuasive, accurate, on-brand, and clearly explained. Important: There is no immediate project for this role; however, if qualified, you will be among the first experts we reach out to when relevant opportunities arise. This will also provide you with access to future projects available through our expert network.

Your Profile

• Bachelor’s degree (or higher) in Communications, Marketing, Journalism, English, or a related field (or equivalent professional experience).
• 5+ years of professional experience in copywriting, content writing, editorial, content marketing, or brand storytelling.
• Strong command of brand voice, tone adaptation, and audience-aware writing (B2B and/or B2C).
• Ability to evaluate and improve writing for clarity, structure, persuasion, and consistency, including headlines, CTAs, and narrative flow.
• Demonstrated ability to spot and correct factual errors, weak reasoning, overclaims, and potential compliance issues (especially in regulated domains).
• Familiarity with common content formats: landing pages, email campaigns, blog posts, ads, social posts, product copy, scripts, and long-form guides.
• Comfort providing specific, actionable feedback and writing gold-standard rewrites with rationale; minimum C1 English proficiency.
• Reliable, self-directed, and able to deliver consistent quality in an hourly, remote contractor workflow across time zones.
• Prior experience with AI data training/annotation, content QA, editorial operations, or style-guide governance is strongly preferred.
  
  

Key Responsibilities

• Develop AI Training Content: Create detailed prompts and gold-standard copy/content across multiple formats and industries to guide AI learning.
• Optimize AI Performance: Evaluate and rank AI responses to improve clarity, persuasion, tone match, and factual reliability.
• Ensure Model Integrity: Test AI outputs for inaccuracies, hallucinated claims, bias, unsafe advice, and brand-risk issues; validate reliability across use cases.

Toloka AI supports frontier model post-training by building domain-specific reinforcement learning environments, tasks, and evaluation frameworks designed by real practitioners. Mindrift, powered by Toloka — a leading enterprise AI and...

Toloka AI supports frontier model post-training by building domain-specific reinforcement learning environments, tasks, and evaluation frameworks designed by real practitioners. Mindrift, powered by Toloka — a leading enterprise AI and...

Please submit your CV in English and indicate your level of English proficiency. Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving...

Toloka AI supports frontier model post-training by building domain-specific reinforcement learning environments, tasks, and evaluation frameworks designed by real practitioners.

Toloka AI supports frontier model post-training by building domain-specific reinforcement learning environments, tasks, and evaluation frameworks designed by real practitioners.