Jobs for data annotator at Sydney

136 data annotator job listings in Australia. Find daily updated positions from leading job boards.

  • Climate Data Specialist Premium

    3 days ago


    Sydney, New South Wales, Australia Alignerr Remote Full-time USD 75 - USD 90

    Climate Data Specialist (AI Training) About The Role What if your expertise in climate modeling, ecology, or environmental science could directly shape how AI understands and reasons about one of the most important challenges facing our planet? We're looking for Climate Data Specialists — environmental scientists with advanced degrees — to develop...

  • Data Scientist Premium

    4 days ago


    Sydney, New South Wales, Australia Alignerr Remote Full-time USD 40 - USD 80

    Data Scientist (Masters) — AI Data Trainer About The Role What if your expertise in machine learning, statistical modeling, and data engineering could directly shape how the world's most advanced AI systems think and reason? We're looking for experienced data scientists to stress-test cutting-edge AI models — designing challenges that expose their...

  • Environmental Engineering Premium

    4 days ago


    Sydney, New South Wales, Australia Alignerr Remote Full-time USD 35 - USD 60

    Environmental Engineering — AI Data Trainer About The Role We're looking for environmental engineers to help train and improve advanced AI models on complex, real-world engineering problems. Your deep domain knowledge will directly shape how AI reasons through challenges in water treatment, air quality management, hazardous waste remediation, and...

  • Precision Medicine Data Lead Premium

    6 days ago


    Sydney, New South Wales, Australia Alignerr Remote Full-time USD 40 - USD 80

    Precision Medicine Data Lead (AI Training) About The Role What if your expertise in genomic and clinical data could directly shape how AI understands and advances personalized medicine for millions of patients worldwide? We're looking for a Precision Medicine Data Lead to guide the integration, governance, and transformation of complex healthcare datasets...


  • Sydney, New South Wales, Australia Alignerr Remote Full-time USD 40 - USD 80

    Hospital Health Data Governance Lead (AI Training) About The Role What if your expertise in healthcare data governance could directly shape how AI understands, interprets, and works with clinical information at scale? We're looking for experienced Hospital Health Data Governance Leads to help ensure that health data used in AI training is accurate,...


  • Sydney, New South Wales, Australia Alignerr Remote Full-time USD 40 - USD 80

    Biotech Health Data Governance Lead (AI Training) About The Role What if your deep expertise in biotech data governance could directly shape how AI understands and works with clinical and research data at scale? We're looking for a Biotech Health Data Governance Lead to ensure that research and clinical trial data powering next-generation AI models is...


  • Sydney, New South Wales, Australia Alignerr Remote Full-time USD 50 - USD 75

    Principal Python Engineer — ML Infrastructure (AI Training) About The Role What if your Python expertise could directly shape the infrastructure that powers the most advanced AI systems in the world? We're looking for a Principal Python Engineer in Sydney to design and build the data pipelines, annotation tooling, and evaluation systems that leading AI...


  • Sydney, New South Wales, Australia Alignerr Remote Full-time USD 60 - USD 80

    Senior Machine Learning Engineer - AI Data Trainer Location: Remote About The Job At Alignerr, we partner with the world’s leading AI research teams and labs to build and train cutting-edge AI models. This project is about capturing how an LLM reasons and takes actions step by step to solve real tasks. Annotators write clear, structured traces that...

  • Machine Learning Engineer Premium

    3 days ago


    Sydney, New South Wales, Australia Alignerr Remote Full-time USD 50 - USD 70

    Machine Learning Engineer (AI Data Trainer) About The Role What if your technical expertise could directly shape how the world's most advanced AI systems reason through complex problems? We're looking for Machine Learning Engineers to help train cutting-edge large language models — not by writing model code, but by doing something equally powerful:...

  • Material Science Specialist Premium

    4 days ago


    Sydney, New South Wales, Australia Alignerr Remote Full-time USD 75 - USD 90

    Material Science Specialist (AI Training) About The Role What if your deep expertise in semiconductor materials or molecular modeling could directly shape how AI reasons through some of the most complex problems in modern science? We're looking for Materials Science specialists — Masters and PhD level — to help train and evaluate cutting-edge AI models...

  • Health Policy Premium

    3 days ago


    Sydney, New South Wales, Australia Alignerr Remote Full-time USD 35 - USD 55

    Health Policy & Management - AI Data Trainer Location: Remote About The Job At Alignerr, we partner with the world’s leading AI research teams and labs to build and train cutting-edge AI models. We are seeking Masters in Public Health (MPH) graduates to help train AI models to provide accurate, evidence-based health information and policy analysis. You...

  • Health Policy Premium

    3 days ago


    Sydney, New South Wales, Australia Alignerr Remote Full-time USD 35 - USD 55

    Health Policy & Management — AI Content Specialist About The Role Your public health expertise is in demand — not in a clinic or government office, but at the frontier of AI development. We're looking for Masters in Public Health (MPH) professionals to help train and evaluate cutting-edge AI models on health policy, epidemiology, and evidence-based...

  • Applied Physics Premium

    4 days ago


    Sydney, New South Wales, Australia Alignerr Remote Full-time USD 40 - USD 80

    Applied Physics (AI Training) About The Role What if your deep expertise in physics could directly influence how AI understands the physical world — from quantum mechanics to thermodynamics — for millions of users and researchers worldwide? We're looking for PhD-level Applied Physicists to stress-test and improve cutting-edge Large Language Models on...

  • Biology Specialist Premium

    3 days ago


    Sydney, New South Wales, Australia Alignerr Remote Full-time USD 75 - USD 90

    Biology Specialist (Masters/PhDs) - AI Training About The Role What if your years of biology research and deep scientific expertise could directly shape how AI reasons through the most complex problems in genetics, biotechnology, and bioinformatics? We're looking for credentialed biology experts to help build and train cutting-edge AI models — ensuring...


  • Sydney, New South Wales, Australia Alignerr Remote Full-time USD 35 - USD 70

    Biochemistry Subject Matter Expert (AI Training) About The Role We're looking for PhD-level Biochemists to help evaluate and improve cutting-edge AI systems trained on advanced scientific content. Your expertise will directly shape how AI understands and reasons through complex topics like protein folding, metabolic flux, enzyme kinetics, and molecular...


  • Sydney, New South Wales, Australia Alignerr Remote Full-time USD 30 - USD 55

    Soil and Water Conservation Scientist (AI Training) About The Role We're looking for experienced soil and water conservation scientists to help evaluate and improve AI systems trained on sustainable land and water management content. Your scientific expertise will directly shape how AI understands and communicates complex conservation topics — from...

  • Mathematics Expert Premium

    3 days ago


    Sydney, New South Wales, Australia Alignerr Remote Full-time USD 75 - USD 90

    Mathematics Expert (AI Training) About The Role What if your years of advanced mathematical training could directly shape how AI reasons through the hardest problems in the world? We're looking for Mathematics Experts — Masters and PhD holders — to help build and refine the mathematical reasoning capabilities of cutting-edge AI models. This is a fully...

  • Masters or PhD Researcher Premium

    3 days ago


    Sydney, New South Wales, Australia Alignerr Remote Full-time USD 75 - USD 90

    Masters & PhD Researcher (AI Training) - Alignerr About The Role What if your years of advanced research and deep domain expertise could directly shape how the world's most powerful AI models think, reason, and solve problems? We're looking for Masters and PhD-level researchers to work alongside leading AI research labs — designing and solving complex,...

  • Business Administration Premium

    3 days ago


    Sydney, New South Wales, Australia Alignerr Remote Full-time USD 45 - USD 90

    About The Role What if your MBA — your deep knowledge of corporate finance, market strategy, and business operations — could directly shape how AI advises executives and powers business decisions for millions of people? We're looking for MBA-qualified business professionals to help train and evaluate cutting-edge AI models. You'll stress-test AI...

  • Econometrics Instructor Premium

    3 days ago


    Sydney, New South Wales, Australia Alignerr Remote Full-time USD 35 - USD 70

    Econometrics Instructor (AI Training) About The Role We're looking for experienced econometrics instructors and quantitative economics professionals to help evaluate and improve AI systems that reason about statistics, economic models, and causal inference. Your subject-matter expertise will directly shape how AI understands and explains some of the most...