[Remote] Generative AI Engineer

Note: The job is a remote job and is open to candidates in USA. Dentsu is a company focused on AI innovation, seeking a Lead AI Engineer to design, build, and deploy AI capabilities that enhance their global products. The role involves collaborating with various teams to develop scalable AI systems for content personalization and audience analytics, while also ensuring compliance with ethical standards.ResponsibilitiesAI Solution Development: Architect, develop, and maintain AI systems for media productsCollaboration: Partner with product, engineering, and data teams to translate business needs into technical solutionsDeployment & Scaling: Implement AI models in production environments, ensuring reliability, scalability, and performance across global marketsContinuous Improvement: Monitor, evaluate, and iterate on AI models using real-world data and feedbackResearch & Innovation: Stay current with AI/ML advancements; prototype and recommend new technologies to keep our products at the forefront of innovationEthics & Compliance: Champion responsible AI practices, ensuring fairness, transparency, and compliance with data privacy regulationsSkillsBachelor's degree in Computer Science, Engineering, or related field (PhD a plus)Strong Python skills, with experience in LLM orchestration libraries (e.g., LangChain, LlamaIndex, Semantic Kernel), chain-of-thought, and structured reasoning approachesDemonstrated experience with enterprise LLMs – their APIs, performance challenges, and how to mitigate those (OpenAI, Anthropic, Cohere, etc.)Demonstrated production experience with API conventions and integration into pipelines, e.g. RESTful API, FastAPI, or similarDemonstrated experience integrating multiple approaches for extracting highest-quality output from LLMs, e.g. prompt engineering, multi-agents, structured output validation, hybrid RAG, in-context learning (ICL), or NLP- or ontology-powered layeringProficiency with document processing pipelines (text extraction, chunking, embedding)Demonstrated production experience with measuring and improving AI systems, tracing and AI observability (e.g. Arize, OpenTelemetry, LangSmith)Strong foundation in data science fundamentals, including data analysis, statistical methods, and experience working with structured and unstructured dataExperience with cloud platforms (AWS, GCP, Azure) and MLOps toolsBenefitsMedical, vision, and dental insuranceLife insuranceShort-term and long-term disability insurance401kFlexible paid time offAt least 15 paid holidays per yearPaid sick and safe leavePaid parental leaveDentsu also complies with applicable state and local laws regarding employee leave benefits, including, but not limited to providing time off pursuant to the Colorado Healthy Families and Workplaces Act, in accordance with its plans and policies.Company OverviewWe are dentsu. It was founded in 1968, and is headquartered in London, England, GBR, with a workforce of 10001+ employees. Its website is https://www.dentsu.com.