
51 - 200 employees
Founded 2014
🤝 B2B
AI • B2B • Research
Prolific is a platform that facilitates fast and high-quality data collection by connecting researchers with participants, including AI taskers. Researchers can launch tasks, surveys, and experiments and receive responses from a global community of over 200,000 active participants within hours. Prolific prides itself on providing accurate and detailed data while ensuring that participants are fairly rewarded for their contributions. The platform is trusted by leading academics and organizations for its flexibility, simplicity, and rapid project execution.
🕒 January 8
🇺🇸 United States – Remote
💵 $150 / hour
⏰ Full Time
🟡 Mid-level
🟠 Senior
🤖 Machine Learning Engineer
🦅 H1B Visa Sponsor
Improve your chances of getting an interview by checking your resume score before you apply.

51 - 200 employees
Founded 2014
🤝 B2B
AI • B2B • Research
Prolific is a platform that facilitates fast and high-quality data collection by connecting researchers with participants, including AI taskers. Researchers can launch tasks, surveys, and experiments and receive responses from a global community of over 200,000 active participants within hours. Prolific prides itself on providing accurate and detailed data while ensuring that participants are fairly rewarded for their contributions. The platform is trusted by leading academics and organizations for its flexibility, simplicity, and rapid project execution.
• Completing AI training tasks such as analyzing, editing, and writing annotations (including technical reasoning and structured evaluation) • Judging the performance of AI in performing ML-relevant tasks (e.g., model/experiment critique, data leakage detection, metrics interpretation, debugging approach, methodology review) • Improving cutting-edge AI models by providing expert feedback on correctness, robustness, clarity, and technical depth
• AI Training task skills and verifiable professional experience as a Machine Learning Specialist (e.g., ML engineer, data scientist, applied scientist, research engineer) • A willingness to take our skills verification test to assess your suitability for our participant pool • Strong attention to detail and the ability to concentrate on complex tasks for up to one hour at a time • A reliable and fast internet connection and access to a computer • A willingness to self-declare your earnings, as our participants are self-employed • A Paypal account to receive payment from our clients
• Participants are self-employed and can self-declare their earnings
Apply Now🕒 January 8
Senior Machine Learning Engineer developing neural simulators for robotics at Path Robotics. Leading complex AI-driven projects to enable intelligent robotic systems in manufacturing.
🇺🇸 United States – Remote
💰 $100M Series C on 2021-07
⏰ Full Time
🟠 Senior
🤖 Machine Learning Engineer
🦅 H1B Visa Sponsor
Python
PyTorch
🕒 January 6
Senior Staff Machine Learning Engineer providing technical leadership for machine learning systems powering Spotify Home. Delivering personalized Home experiences through advanced ML capabilities and collaboration with cross-functional teams.
🇺🇸 United States – Remote
💵 $264.6k - $378.1k / year
⏰ Full Time
🟠 Senior
🤖 Machine Learning Engineer
🦅 H1B Visa Sponsor
Java
Python
PyTorch
Scala
Tensorflow
🕒 December 25, 2025
Senior ML Engineer designing and building AI systems for the Company. Training and deploying ML models in various applications including NLP and LLMs.
Pandas
Python
🕒 December 25, 2025
ML Engineer designing and building AI systems for the company. Involves training ML models for Natural Language Processing and improving AI platforms.
Pandas
🕒 December 20, 2025
1001 - 5000
Senior Software Engineer at Upstart developing MLOps platform for machine learning model deployment and simulations. Collaborating across teams to enhance infrastructure and support rapid innovations.
🇺🇸 United States – Remote
💵 $163.6k - $226.4k / year
⏰ Full Time
🟠 Senior
🤖 Machine Learning Engineer
🦅 H1B Visa Sponsor
Amazon Redshift
AWS
Distributed Systems
ETL
Flask
GRPC
Kafka
Kotlin
PySpark
Python
Ray
Spark