Data & AI

51,089 open positions

Machine Learning Engineer Intern (Global E-Commerce, Search) - 2027 Start (PhD) TikTokSingapore Build and optimize large-scale search algorithms for a global e-commerce platform serving over 1 billion monthly users using NLP, CV, and multi-modal technologies.
Machine Learning Engineer Graduate (Global E-Commerce, Recommendation) - 2027 Start (PhD) TikTokSingapore Building large-scale E-commerce recommendation algorithms and systems for commodity, live-stream, and short-video recommendations to improve user engagement.
Machine Learning Engineer Intern (Global E-Commerce, User Growth) - 2027 Start (PhD) TikTokSingapore PhD intern building promotion algorithms and budget optimization engines for TikTok's global e-commerce to drive user growth and GMV.
Machine Learning Engineer Intern (Global E-Commerce, Platform Governance) - 2027 Start (PhD) TikTokSingapore PhD intern using advanced AI to detect risks, low-quality merchants/products/creators, and build data models to maintain e-commerce platform security and ecosystem quality.
Machine Learning Engineer Graduate (Global E-Commerce, Platform Governance) - 2027 Start TikTokSingapore Build risk detection models and graph learning platforms to identify low-quality merchants, products, and creators, and optimize the e-commerce ecosystem.
Data Engineer, Security Coalition, inc.Remote ( $111k–$111k Design and develop a data lifecycle and Medallion Architecture on Snowflake to transform raw Cyber Security data into high-performance products for business intelligence and AI/ML applications.
Machine Learning Engineer Intern (Global E-Commerce, Platform Governance) - 2027 Start TikTokSingapore Build risk detection models and graph learning platforms to identify low-quality merchants, products, and creators, and optimize the e-commerce ecosystem.
Machine Learning Engineer Graduate (Global E-Commerce, Platform Governance) - 2027 Start (PhD) TikTokSingapore PhD-level ML engineer building risk detection algorithms, graph learning platforms, and sequence models to govern e-commerce ecosystem health, identify low-quality entities, and optimize product experiences.
Large Recommendation Model Algorithm Engineer Graduate (Global E-Commerce) - 2027 Start (PhD) TikTokSingapore Building unified Foundation Models for multi-scenario recommendation systems, integrating LLMs, multimodal understanding, and generative capabilities to advance from retrieval to re-ranking.
Data Science Strategy Lead Microsoft Define long-term data science strategy, multi-year vision, and portfolio-level decisions to maximize business value and operationalize insights.
Senior Software & AI Engineer Hive CollectiveRemote Designing agentic systems, shipping production LLM pipelines, and operating AI systems for startups and enterprise clients.
Content Understanding LLM Algorithm Engineer Graduate (Global E-Commerce) - 2027 Start (PhD) TikTokSingapore Develop and optimize large language models (LLM/MLLM) and multimodal algorithms for e-commerce governance, risk mitigation, and ecosystem quality.
AI Agent Algorithm Engineer Graduate (Global E-Commerce, Affiliate) - 2027 Start (PhD) TikTokSingapore Build and evolve AI agent runtimes, context/memory systems, and post-training pipelines for creator/seller agents to drive e-commerce GMV growth.
🇺🇸 Senior Database Reliability Engineer Xperteez TechnologyRemote Architecting, optimizing, and ensuring the stability of mission-critical PostgreSQL environments within a cloud-native infrastructure.
ML Engineer Artificial SocietiesRemote Work Policy $100k–$100k Build production-grade systems that deploy frontier research on simulating societal opinions and influence at scale for Fortune 500 clients.
Senior Journalist / Writer Xperteez TechnologyRemote Evaluate AI-generated writing for quality, accuracy, tone, and structure; create reference pieces defining excellent output; provide editorial feedback and rewrites to shape writing standards for AI systems.
🌍 Senior Software Engineer Xperteez TechnologyRemote Creating Reinforcement Learning Environments to test AI models on complex software engineering problems like code fixing, feature creation, refactoring, and performance optimization.
Data Scientist Project Intern (Data Acquisition) - 2026 Start (BS/MS) TikTokSingapore Design and implement matching algorithms and probabilistic models for task allocation and confidence scoring to improve operational efficiency in data labeling workflows.
Senior Book Editor | Remote - Contract Xperteez TechnologyRemote Senior Book Editor training next-generation AI systems by applying expertise to elevate editorial standards across diverse manuscripts.
Manager, Engineering - Data Science LTKRemote $100k–$130k Lead a team of data scientists building LTK's native AI platform and conversational AI capabilities for recommendations, retrieval, ranking, and semantic understanding.
Product Manager/Product Owner | Remote - Contract Xperteez TechnologyRemote Evaluate and analyze AI-generated responses to writing prompts to train next-generation AI systems, focusing on clarity, tone, instruction adherence, and factual accuracy.
🌍 Open Source GitHub Maintainer, Remote- Contract Xperteez TechnologyRemote Evaluate code patches generated by LLMs and provide detailed feedback to train next-generation AI systems.
Strategic Project Lead, Remote- Full Time Xperteez TechnologyRemote End-to-end execution of projects for top AI Lab customers, translating needs into specifications and launching data pipelines.
Mechanical Engineer | Remote - Contract Xperteez TechnologyRemote Review and annotate videos of robots, mechanical systems, and physical interactions to ensure technical accuracy for AI training.
🌍 Machine Learning Engineer, Remote - Contract Xperteez TechnologyRemote Design, develop, and refine machine learning models using Python and MongoDB to address project objectives.
Research Scientist Intern - Risk Control Vertical LLM Foundation and Agent - Global Frontier Tech Recruitment Program - 2027 Start (PhD) TikTokSingapore Develop agent-based autonomous systems to combat adversarial content, AI-generated content (AIGC), and underground activities by optimizing large models and extracting cross-modal long-context information.
Lithuanian Speaking Psychologist (PhD) | Remote - Contract Xperteez TechnologyRemote Bilingual Lithuanian Psychologist (PhD) training next-generation AI systems by analyzing psychological case studies and developing culturally sensitive scenarios.
Lithuanian Speaking Psychiatrist | Remote - Contract Xperteez TechnologyRemote Develop and evaluate complex psychiatric case studies and conduct psychological assessments to train next-generation AI systems with real-world, culturally nuanced scenarios.
Research Scientist Intern (TikTok Recommendation-LLMs, RL, GenAI) - 2026 Start (PhD) TikTokSan Jose, United States of America Researching next-generation recommendation systems using LLMs, reinforcement learning, and generative AI to enhance content discovery for hundreds of millions of users.
Humanities Evaluation Specialist | Remote , Contract Xperteez TechnologyRemote Develop high-difficulty question-and-answer pairs and test prompts to train next-generation AI models on humanities interpretation, argument, and analytical reasoning.
Gmail & Google Calendar AI Assistant Evaluator, Remote- Contract Xperteez TechnologyRemote Evaluate and train next-generation AI assistants by performing real-world digital tasks like email management, calendar scheduling, and online bookings, then grading their accuracy and completeness.
Georgian Speaking Psychologist (PhD) | Remote - Contract Xperteez TechnologyRemote Analyze psychological case studies, develop culturally sensitive scenarios in Georgian and English, and evaluate AI-generated content for accuracy and ethical alignment to train next-generation AI systems.
Georgian Speaking Psychiatrist | Remote - Contract Xperteez TechnologyRemote Develop and evaluate complex psychiatric case studies and conduct psychological assessments to train next-generation AI systems with real-world, culturally nuanced scenarios.
Data Analyst Project Intern (Safety Model Operations) - 2026 Start（BS/MS） TikTokSingapore Intern supporting safety model operations, data labeling quality, and moderation efficiency for TikTok's international products.
Data Entry Keyer | Remote - Contract Xperteez TechnologyRemote Design and produce expert-level evaluation tasks, datasets, and grading rubrics to train and benchmark AI agents on data entry and validation.
Machine Learning Engineer, Search Recommendation (E-commerce) - Singapore TikTokSingapore Developing search recommendation algorithms and models for TikTok's global e-commerce platform using machine learning, NLP, and multi-modal technology.
🇺🇸 Data Engineer, Remote - Full Time Xperteez TechnologyRemote Build and scale data infrastructure to support AI-driven products and research initiatives.
🌍 Content Writer & Editor, Remote- Contract Xperteez TechnologyRemote Evaluate and edit text content to train next-generation AI systems, ensuring high-quality input for model learning and reasoning.
🌍 Computer Vision Specialist, Remote- Contract Xperteez TechnologyRemote Annotate video footage from robotic systems to train AI models by identifying visual features, anomalies, and labeling objects/movements.

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