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Senior Data Scientist - AI & Machine Learning
About the Opportunity We are seeking an experienced Senior Data Scientist to help develop, optimize, and evaluate innovative AI and machine learning solutions within the healthcare technology space. This role offers…

Staff~Sr. Staff, Machine Learning Engineer (Ads Engineering)
Leads the design and scaling of next-gen AI systems for Coupang's ad platform, including multi-agent orchestration, reinforcement learning, and LLM optimization, while aligning global teams in Korean and English.
AI Engineer
The AI (Artificial Intelligence) Engineer designs, builds and operates production-grade decision engines spanning machine learning (ML) models, deep learning (DL) models, large language models (LLMs) and decision…
Software Engineer (Open Source Contributor)
Remote contractor role (open worldwide) creating AI training data: you build reproducible reinforcement-learning environments with coding tasks, golden reference solutions, and deterministic verifiers that test an AI model's ability to fix bugs, add features, refactor, and optimize backend code in languages like Python, Java, Go, Rust, C++, or TypeScript.
Software Engineer (GitHub Contributor)
Remote contractor role (anywhere in the world) at micro1: build reinforcement learning environments and coding tasks used to train AI models, including golden reference solutions. Pays $50-100/hour per ~15-hour task; requires strong backend skills in languages like Python, Java, Go, Rust, C++, or TypeScript.
AI Engineer
The AI (Artificial Intelligence) Engineer designs, builds and operates production-grade decision engines spanning machine learning (ML) models, deep learning (DL) models, large language models (LLMs) and decision…
LLM Agent Research Intern
About the Hiring Team Level Infinite is Tencent’s global gaming brand. It is a global game publisher offering a comprehensive network of services for games, development teams, and studios around the world. We are…
Sr Software Development Engineer, Agent Platforms & Services
Define how AI agents operate in one of the world's largest advertising ecosystems — owning the architecture for agent orchestration, reinforcement learning from expert feedback, trust and permission systems, and…

