At Prolific, we’re redefining the landscape of AI development by crafting the essential human data infrastructure that distinguishes top-tier AI technologies. In an era where fundamental AI technologies are becoming more uniform, the uniqueness and variety of human-generated data are what sets apart exceptional products and models.

Your Opportunity

Join us at Prolific, where you will engineer state-of-the-art AI systems that empower leading companies to seamlessly integrate high-quality human feedback and data into their models. You will design the core intelligence that fuels our human-in-the-loop platform, working on both traditional machine learning models and innovative AI systems that revolutionize how the industry assesses, aligns, and enhances AI capabilities. Your efforts will span a diverse array of applications, from fraud detection algorithms to advanced representation systems, establishing a technical groundwork that enables human feedback to be actionable at scale. This position places you at the convergence of AI evolution and real-world impact, allowing you to significantly shape the future of next-generation AI models.

Key Responsibilities

• Transform and enhance our existing models into robust, monitored systems
• Design and implement AI/ML solutions that improve the collection, validation, and application of human feedback
• Architect intelligent routing systems for tasks, ensure quality detection, and optimize human-AI collaboration
• Harmonize advanced technical strategies with practical business needs

Infrastructure & Scalability Focus

• Design and build our AI/ML platform architecture
• Implement observability systems for AI/ML, ensuring reliability and optimal performance
• Develop scalable and reproducible training and deployment pipelines for our growing business
• Establish data-centric AI methodologies capitalizing on our unique position within the human data ecosystem
• Lead the development of technical standards and best practices in our AI engineering initiatives
• Collaborate with data scientists, platform engineers, and research teams to deliver integrated solutions

What You Bring to the Table

• A proven history of deploying AI/ML systems that address tangible business challenges
• Capability in model development balanced with the infrastructure that underpins them
• Demonstrated knowledge of contemporary AI/ML engineering practices and technologies, such as LLMOps or agentic AI
• Strong software engineering skills, particularly in Python, AI/ML frameworks, and cloud infrastructure
• Experience mentoring teams and shaping AI/ML strategy
• A track record of enhancing AI/ML systems through superior engineering practices
• Ability to merge cutting-edge techniques with production reliability
• A passion for optimizing how AI systems learn from and interact with humans
• Experience with human-in-the-loop systems, synthetic data, or AI alignment would be an advantage

Why Choose Prolific?

We’ve developed a remarkable platform that links researchers and organizations with a worldwide network of participants, facilitating the collection of high-quality, ethically sourced human behavioral data and feedback. This data serves as a cornerstone for creating more accurate, nuanced, and well-aligned AI systems.

We believe that the next stride in AI capabilities will derive not only from enhancing existing models but also from incorporating a diverse range of human perspectives and behaviors into AI development. By establishing this vital human data infrastructure, Prolific positions itself at the leading edge of the forthcoming wave of AI innovation—one that encapsulates the richness and excellence of humanity.

By joining our team, you will be at the forefront of AI innovation, enjoying access to our unparalleled human data platform and participating in groundbreaking research. We offer a competitive salary, comprehensive benefits, and the flexibility of remote work within a dynamic, mission-driven culture.