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People Prime Worldwide is seeking a Staff RL Engineer to build large-scale datasets and reinforcement learning environments powering AI labs and enterprises worldwide. The role emphasizes rigorous experimentation, scalable data pipelines, and long-range evaluation across domains such as finance, sales, and developer tools.
You will collaborate with Research, Engineering, Product, and Operations to turn research into practical AI capabilities, publish findings when appropriate, and mentor junior
Our client is a Palo Alto–based AI infrastructure and talent platform founded in 2018. It helps companies connect with remote software developers using AI-powered vetting and matching technology. Originally branded as the “Intelligent Talent Cloud,”enabled companies to “spin up their engineering dream team in the cloud” by sourcing and managing vetted global talent. In recent years, they have evolved to support AI infrastructure and AGI workflows, offering services in model training, fine-tuning, and deployment—powered by their internal AI platform, ALAN, and backed by a vast talent network. They reported $300 million in revenue and reached profitability. Their growth is driven by demand for annotated training data from AI labs, including major clients like OpenAI, Google, Anthropic, and Meta.
builds large-scale datasets and reinforcement learning environments that power post-training for leading AI labs and enterprises. Our environments evaluate and improve AI models on complex, long-range, multi-step workflows across high-value domains such as Finance, Sales, Retail, Developer Tools, Collaboration, and Customer Experience.
We are looking for Staff Research Engineers to advance our understanding of frontier AI systems and develop practical innovations in data, algorithms, evaluation, and training.
PhD or Master’s degree in Artificial Intelligence, Machine Learning, Computer Science, or a closely related technical field. Exceptional equivalent research experience will also be considered.
Minimum 7+ years of professional experience with significant research engineering experience working on machine learning or frontier AI systems.
Strong foundations in machine learning and practical experience designing experiments, training models, evaluating models, or developing AI systems.
Strong programming skills, particularly in Python, with the ability to implement, test, and iterate quickly in a research environment.
Experience with modern AI and machine learning frameworks and tooling.
Strong scientific judgment around experimental rigor, data quality, reproducibility, and evidence-based decision-making.
Excellent written and verbal communication skills.
Ability to work independently and collaborate effectively across research and engineering teams.
Experience mentoring engineers or researchers and providing technical leadership.