Johannesburg, Gauteng, South Africa · Remote Solely
Please submit your resume in English and indicate your level of English. At Toloka, we connect smart, curious people from around the world with freelance online tasks that train and improve artificial intelligence. What …
Skills: Data Annotation, Fact-checking, Logical Thinking, Reasoning, Attention To Detail
Johannesburg, Gauteng, South Africa · On-site
Opportunity Brunswick Group is looking for a talented and curious Researcher to join our global Analysis and Research Center (ARC), based in our Johannesburg office. As part of ARC, you will play a critical role in suppo…
Skills: Financial Analysis, Market Positioning, Competitor Benchmarking, Qualitative Analysis, Quantitative Analysis
Johannesburg, Gauteng, South Africa · Remote Solely
The mission of Speechify is to make sure that reading is never a barrier to learning. Over 50 million people use Speechify’s text-to-speech products to turn whatever they’re reading – PDFs, books, Google Docs, news artic…
Skills: Python, Bash, Linux, Docker, Infrastructure-as-Code
Johannesburg, Gauteng, South Africa · Remote OK
Responsible for the clinical operations of a project within a defined regional/global level. Provides oversight of project deliverables, assigned Clinical Research Associate (CRAs) and Investigator sites in accordance wi…
Skills: Clinical Operations, Project Oversight, CRA Management, GCP, ICH Guidelines
Johannesburg, Gauteng, South Africa · On-site
Job Family Administration, Operations and Facilities Career Stream Administration, Transactional Processing and Production Leadership Pipeline Manage Self: Technical Job Purpose To develop world class Quantitative Analys…
Skills: Quantitative Analysis, Risk Management, Data Analysis, Mathematical Modeling, Statistics
Johannesburg, Gauteng, South Africa · On-site
We’re KFC, an iconic brand serving world-famous finger lickin’ good fried chicken since 1952. With more than 28,000 restaurants across 150 countries and territories, our people and culture are at the heart of everything …
Skills: FSQA Standards, HACCP, GMP, GFSI Standards, FSMA
Johannesburg, Gauteng, South Africa · On-site
We provide meaningful careers that connect people with purpose. We are united by a common purpose of providing the best and safest care; and by our shared values of Care, Truth, Participation, Compassion and Dignity. Net…
Skills: Medication Dispensing, Pharmaceutical Compounding, Stock Control, Customer Service, Clinical Pharmacy
Johannesburg, Gauteng, South Africa · On-site
We are IMETA ROPU IMETA is a Regional Operating Unit consisting of 6 mid-sized Operating Units: India, Turkey, Southern Africa (South Africa & Sub Sahara Africa) Northeast & West Africa, Near East & UAE, Saudi Arabia, Gu…
Skills: Veterinary Leadership, Ruminant Health Management, Technical Training, Field Trials, Scientific Communication
Sofia, Sofia-City, Bulgaria · Remote OK
Clinical Data Risk Analyst - Central Monitor ICON is a global healthcare intelligence and clinical research organisation united by a mission to bring new medicines and treatments to patients faster. As a values-driven or…
Skills: Clinical Data Analysis, Risk Management, Statistical Analysis, Data Visualization, Risk Assessment Methodologies
Sofia, Sofia-City, Bulgaria · Hybrid
Senior Statistical Programmer I ICON is a global healthcare intelligence and clinical research organisation united by a mission to bring new medicines and treatments to patients faster. As a values-driven organisation, i…
Skills: SAS Programming, Statistical Analysis, Data Analysis, Collaboration, Quality Control
Bucharest, Romania · Remote OK
Central Monitor - Hands on CluePoints systems experience required ICON is a global healthcare intelligence and clinical research organisation united by a mission to bring new medicines and treatments to patients faster. …
Skills: CluePoints, Centralized Monitoring, Clinical Trial Data Analysis, ICH GCP, FDA Regulations
Johannesburg, Gauteng, South Africa · On-site
WBG Pioneer - Environmental and Social (E&S) Intern Job #: req37619 Organization: IFC Grade: T4 Location: Johannesburg,South Africa Hiring Manager: Elizabeth Atieno Ndinya Required Language(s): English Preferred Language…
Skills: Environmental Studies, Risk Management, Analytical Skills, Research Skills, Problem-Solving Skills
Johannesburg, Gauteng, South Africa · On-site
WBG Pioneer - Environmental / Biodiversity Intern Job #: req37580 Organization: IFC Grade: T4 Location: Johannesburg,South Africa Hiring Manager: Elizabeth Atieno Ndinya Required Language(s): English Preferred Language(s…
Skills: Biodiversity Risk Management, Environmental and Social Due Diligence, Risk Screening, Portfolio Monitoring, Analytical Skills
Johannesburg, Gauteng, South Africa · On-site
JOB DESCRIPTION General Practitioner (GP) Medical Doctor Work Location: Johannesburg, South Africa POSITION OVERVIEW A specialized Hair and Trichology Clinic in Johannesburg is seeking to appoint a qualified and professi…
Skills: Clinical Assessment, Patient Consultation, Medical History Review, Treatment Planning, Prescription Management
Johannesburg, Gauteng, South Africa · Hybrid
Senior Clinical Research Associate ICON is a global healthcare intelligence and clinical research organisation united by a mission to bring new medicines and treatments to patients faster. As a values-driven organisation…
Skills: Clinical Monitoring, Site Management, ICH-GCP, Regulatory Compliance, Site Qualification
Johannesburg, Gauteng, South Africa · Remote OK
We seek to move the world forward through innovative thinking. Woolpert is an award-winning, global leader in architecture, engineering, and geospatial services. We blend design excellence with cutting-edge technology to…
Skills: LiDAR Post-processing, Photogrammetry, Terrain Modelling, Aerial Triangulation, Orthophoto Rectification
Johannesburg, Gauteng, South Africa · On-site
At ALS, we encourage you to dream big. When you join us, you’ll be part of a global team harnessing the power of scientific testing and data-driven insights to build a healthier future. Main Purpose of the Job The Techni…
Skills: ICP-AES, XRF, Leco, AAS, Wet Chemistry
Johannesburg, Gauteng, South Africa · On-site
Ecolab, is seeking an Industry Technical Consultant for our Food & Beverage division to lead our efforts to develop, deploy, and optimize process chemical applications and digital technologies in the food and beverage in…
Skills: Technical Advisory, Process Chemical Applications, Digital Technologies, Target Account Development, In-Plant Technical Trials
Johannesburg, Gauteng, South Africa · Hybrid
At First Quantum, we free the talent of our people by taking a very different approach which is underpinned by a very different, very definite culture – the “First Quantum Way”. Working with us is not like working anywhe…
Skills: Excel, Survey Surfaces, Volume Calculations, Monitoring Data Analysis, Technical Writing
Johannesburg, Gauteng, South Africa · Hybrid
Kick-start your career in the online gaming world and experience the very latest in technology and innovation. Job title: Data Scientist Department: Analytics & Insights Reporting to: Data Scientist Team Lead Who we are …
Skills: Data Analytics, Machine Learning, Microsoft SQL Server, SSRS, SSIS
Sign up with Clera and we'll reach out the moment a role actually fits you — no more spraying applications into the void.
Review and label text, image, or video data based on project guidelines to improve AI models. Identify and flag factually incorrect, sensitive, or inappropriate content within the provided datasets.
Requires a bachelor's degree in any discipline and at least one year of professional experience. Candidates must possess an advanced level of English and strong logical reasoning and fact-checking abilities.
Please submit your resume in English and indicate your level of English.
At Toloka, we connect smart, curious people from around the world with freelance online tasks that train and improve artificial intelligence.
What we do
The Toloka Annotators connects individuals with Generative AI projects from leading tech innovators. Our mission is to unlock the full potential of AI by involving real people from around the world in the development process.
About the Role
Annotation is what helps AI make sense of the world. As an annotator, you may be invited to take part in online projects such as rating AI-generated content, evaluating factual accuracy, or comparing responses - when projects are available.
Responsibilities:
Important note: This is project-based work. Tasks are available only when projects are active. You may be invited to one or more projects depending on your profile and current opportunities.
Each project has its own compensation level based on scope and expertise required. On this project, AI trainers earn up to $9 per hour equivalent.
Why this freelance opportunity might be a great fit for you?
Be the “I” in AI with Mindrift. Work from anywhere on groundbreaking AI projects
Mindrift (mindrift.ai) is the expert-sourcing platform built by Toloka, a Nebius Group (Nasdaq: NBIS) company and a global leader in data services for AI since 2014. Mindrift’s CEO and co-founder, Olga Megorskaya, launched the platform to connect domain experts — from software engineers and physicians to linguists and lawyers — with AI training projects for the world's leading technology companies. Through Mindrift, over 10,000 professionals across 50+ domains and 15+ languages contribute to supervised fine-tuning, reinforcement learning from human feedback (RLHF), model evaluation, and red-teaming for frontier AI models developed by leading global technology companies. Operated by Toloka from Amsterdam, Netherlands, Mindrift offers flexible, fully remote, project-based opportunities — empowering experts to shape the future of generative AI, one task at a time.
There are currently 68 open science & research positions in Johannesburg, South Africa listed on Clera. New openings are added daily as companies post roles.
Companies currently hiring include ICON plc, Abbott, Thermo Fisher Scientific, Absa Group, Mindrift, among others. Browse the listings above to see every active employer.
Yes — 35 of the 68 open science & research positions offer remote or hybrid work (17 remote, 18 hybrid).
Each listing links directly to the employer's application page. Apply early — fresh listings get the most recruiter attention in the first two weeks.
