Prolific is a leader in the AI space, focusing on the human data infrastructure that is transforming AI development.
The company provides the largest and most trusted source of high-quality human data, essential for advancing AI technology.
As a Lead AI Engineer, you will build intelligent systems that enhance the interaction between humans and AI models.
You will play a key role in training, evaluating, and aligning next-generation AI systems, solving novel problems and impacting the AI ecosystem.
Responsibilities include leading the design and implementation of production-grade AI systems, developing systems for fraud detection and quality assurance, creating AI agents with immediate product impact, providing technical leadership, ensuring reliability of AI features, and collaborating with cross-functional teams.
Requirements:
A strong track record of designing, building, and shipping AI-powered features that address real business challenges is essential.
Candidates should possess an inquisitive mindset and a passion for solving ambiguous problems without established solutions.
Deep practical knowledge of the modern AI engineering stack, including RAG, vector databases, prompt engineering, fine-tuning techniques, and evaluation frameworks, is required.
The ability to balance cutting-edge research with production reliability and scalability is crucial.
Expertise in Software Engineering & Systems Design, particularly in Python and scalable services, is necessary.
Alternatively, a comprehensive background in Machine Learning Engineering & Research, with experience in ML frameworks like PyTorch and TensorFlow, is also acceptable.
Bonus points for experience with LLM orchestration frameworks, agentic system design, human-in-the-loop systems, synthetic data, and robust monitoring for AI/ML systems.
Benefits:
Prolific offers a competitive salary and benefits package.
Employees enjoy remote working opportunities within a mission-driven culture.
The company provides access to a unique human data platform and opportunities for groundbreaking research.
Working at Prolific places you at the forefront of AI innovation, integrating diverse human perspectives into AI development.