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2,200+ Tiktok Jobs - August 2026 - Urgent Hiring
Showing 2,289 jobs results for
"tiktok"
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Undisclosed
Singapore
- Large language Model Algorithm Development: Build domain-specific large language models (LLM/MLLM) for e-commerce, integrating domain knowledge to rapidly apply models to business scenarios.
- E-commerce Governance Optimization: Understand e-commerce governance scenarios deeply to improve merchant/product/video/live-stream/IPR governance through algorithm optimization. Develop state-of-the-art intelligent review systems capable of “knowing why to reject” decisions.
- Model Enhancement: Handle tasks like data construction, foundational model enhancement, instruction fine-tuning, chain-of-thought (CoT) , and parameter-efficient fine-tuning (PEFT) to achieve optimal model performance in the e-commerce domain. ...
Posted
21 hours ago
Undisclosed
Singapore
- Participate in building large-scale (billion level) E-commerce recommendation algorithms and systems, including commodity recommendations, live stream recommendations, short video recommendations etc.
- Build long and short term user interest models, analyze and extract relevant information from large amounts of various data and design algorithms to explore users' latent interests efficiently.
- Design, develop, evaluate and iterate on predictive models for candidate generation and ranking(eg. Click Through Rate and Conversion Rate prediction) , including, but not limited to building real-time data pipelines, feature engineering, model optimization and innovation. ...
Posted
21 hours ago
Undisclosed
Singapore
- Design, implement the new-user features of our mobile application.
- Collaborate with the design and product teams to create a world-class mobile experience.
- Analyse and optimize iOS applications for efficiency and performance. ...
Posted
21 hours ago
Research Scientist - End-to-End Generative Search Technology Based on Pre-Trained Foundation Models - Global Frontier Tech Recruitment Program - 2027 Start (PhD) Research Scientist - End-to-End Generative Search Technology Based on Pre-Trained Foundation Models - Global Frontier Tech Recruitment Program - 2027 Start (PhD)
TikTok
Undisclosed
Singapore
- Explore the integration of foundation models with ranking algorithms to improve personalized ranking accuracy and user experience.
- Explore end-to-end generative search models based on multimodal pre-training.
- Explore LLM-based agent technology to improve user satisfaction under complex ambiguous queries and multi-turn search scenarios. ...
Posted
21 hours ago
Undisclosed
Singapore
- Plan and lead large-scale technical projects to lay the foundation for the iterative development and scale of early products
- Develop robust, efficient technology products that serve 1 billion users
- Contribute to engineering strategy, tooling, processes, and culture ...
Posted
21 hours ago
Undisclosed
Singapore
- Individuals who are completing or have recently completed a PhD in Software Development, Computer Science, Computer Engineering, or a related technical discipline.
- Modeling experience in one or more of the areas: Ads, Search engine, Recommender System, NLP/CV, multimodal, agent technologies.
- Have a solid foundation in algorithms related to LLMs, including but not limited to comprehensive learning and ...
Posted
21 hours ago
Undisclosed
Singapore
- Participate in the development of TikTok’s search results page and other related core scenarios, working closely with Product, Design, Algorithm, and other cross-functional teams to independently drive the full cycle from requirement analysis and technical solution design to development, launch, and post-launch evaluation.
- Leverage multi-platform technology stacks including Lynx, Android, iOS, and Server to develop and continuously optimize search business modules, ensuring code quality, performance, and stability.
- Evaluate product performance through A/B testing and data analysis, identify experience issues, and drive feature iterations to continuously improve the user search experience. ...
Posted
21 hours ago
Undisclosed
Singapore
- Build industry leading recommendation system; develop highly scalable classifiers and tools leveraging machine learning;
- Understand product objectives and machine learning techniques; improve model and recommendation strategy;
- Understand user behavior and apply ML algorithms to optimize content consumption and production experience; ...
Posted
21 hours ago
Undisclosed
Singapore
- Participate in building large-scale (billion level) E-commerce recommendation algorithms and systems, including commodity recommendations, live stream recommendations, short video recommendations etc.
- Build long and short term user interest models, analyze and extract relevant information from large amounts of various data and design algorithms to explore users' latent interests efficiently.
- Design, develop, evaluate and iterate on predictive models for candidate generation and ranking(eg. Click Through Rate and Conversion Rate prediction) , including, but not limited to building real-time data pipelines, feature engineering, model optimization and innovation. ...
Posted
21 hours ago
Undisclosed
Singapore
- Process data processing requests and execute data model design, implementation and maintenance
- Develop all kinds of data solutions (dashboards, data products, data services and AI solutions) to enable business
- Responsible for developing and operating our internal BI/AI platform to support various data analytics scenarios ...
Posted
21 hours ago
Undisclosed
Singapore
- Translate business requirements and end-to-end solution designs into technical implementations, and build batch and real-time data warehouses.
- Lead data modeling design, and develop, maintain, and optimize ETL jobs.
- Collaborate with business teams to define and build data metrics based on the data warehouse. ...
Posted
21 hours ago
Undisclosed
Singapore
- Build and evolve the agent runtime (harness / agent loop) powering our creator / seller agents — orchestrate skills, tools, and context.
- Engineer context & memory for long multi-turn agents — agentic memory (structured note-taking), context compaction / summarization, context editing / observation masking, and just-in-time (retrieve-then-load) retrieval.
- Post-train and fine-tune LLMs (SFT / DPO / RL) and build the data flywheel that turns served conversations into training / eval / retrieval signals. ...
Posted
21 hours ago
Undisclosed
Singapore
- Responsible for the backend development and iteration of TikTok Messaging in the Singapore team, building and evolving server-side capabilities for Streak, Stickers, Voice & Video Call, and other core messaging features, and participating in the backend architecture design and implementation of TikTok Social Messaging;
- Build and maintain server-side IM infrastructure (IMCloud), including cloud-based IM data management and cross-datacenter synchronization, to ensure a reliable core messaging experience; safeguard user privacy and ensure IM data compliance with regulatory requirements across regions;
- Explore next-generation messaging experiences powered by LLM and AIGC, including conversational chatbots, AIGC-powered stickers, and other personalized features that elevate user engagement; ...
Posted
21 hours ago
Undisclosed
Singapore
- Insufficient understanding of underground industry variants, AIGC, and other adversarial content by general large models
- Challenges in long-context comprehension, information extraction, and instruction adherence.
- Integrating fragmented risk control knowledge into agent-usable skills ...
Posted
21 hours ago
Undisclosed
Singapore
- Analyze massive business and security data to mine abnormal user behavior, and uncover evolving risky patterns.
- Productionize AI agent pipelines engineered for real-time prevention under massive global traffic.
- Analyze / test the effectiveness of the built solutions. ...
Posted
21 hours ago
Undisclosed
Singapore
- Design and develop AI-powered testing solutions that improve software quality and engineering efficiency across the entire software development lifecycle.
- Work on quality and engineering efficiency initiatives leveraging LLMs, including change risk analysis, automated testing, search quality evaluation, and LLM security testing.
- Identify quality and engineering efficiency pain points in collaboration with software and algorithm engineering teams, propose practical optimization solutions, and drive their implementation to improve product quality and engineering efficiency. ...
Posted
21 hours ago
Undisclosed
Singapore
- Responsible for using algorithms to mine, identify, and predict risks and low-quality merchants, products, and creators in e-commerce scenarios, and assist businesses in managing and controlling them.
- Responsible for using algorithms to identify events and behaviors that affect product experience and efficiency, and building data models to help create a favorable ecosystem and support business operations.
- Participate in building data for various entities such as e-commerce live streaming/video, products, merchants, and creators, building large-scale network/feature sequence models to support business scenarios such as content understanding, multimodal representation, community mining, and solve problems related to products, live streaming, and video management, and provide support for them. ...
Posted
21 hours ago
Undisclosed
Singapore
- Lead the strategy, design, and execution of the Regional Agency Bootcamp program from end to end.
- Build scalable cohort-based journeys covering agency recruitment, onboarding, training, graduation, and rewards.
- Design program frameworks that effectively combine enablement, incentives, and operational excellence to drive measurable outcomes. ...
Posted
21 hours ago
Undisclosed
Singapore
- Native training and inference architecture redesign for LLMs
- Etreme performance optimization and AI infrastructure innovation
- End-to-End generative paradigm innovation ...
Posted
21 hours ago
Undisclosed
Singapore
- Build prediction/uplift NN model to improve LIVE feature intelligence;
- Mine and interfere potential crowds to gain a higher ROI operation for both LIVE streamer and watcher;
- Make detailed analysis on user data and system data to find out user experience optimiaztion zoom; ...
Posted
21 hours ago
Undisclosed
Singapore
- Build and grow successful win-win partnerships with existing media/digital agencies and partners: support their long term growth through strategic partnerships
- Establish and maintain both C-Level & tactical relationships with agencies
- Leverage insights, data, benchmarks to lead strategic conversations and support the agencies and their clients' growth ...
Posted
21 hours ago
Undisclosed
Singapore
- Improve the basic search quality and user experience: Optimize query analysis and text relevance matching. Understand e-commerce video content and implement multi-modal matching. Improve users' perception of product authority, and deeply participate in the design and implementation of core search products. Comprehensively improve the end-to-end shopping experience from browsing to after-sales.
- Design and implement the end-to-end ranking system (recall, first stage ranking, final stage ranking and mixed row): Improve users' personalized shopping interests model. Improve the shopping conversion efficiency for merchandise, video and live stream to promote GMV growth.
- Promote the development of the ecosystem: From the perspective of the industry and businesses, solve challenging problems such as supply and demand matching, business cold start, and sustainable business growth, etc. Think, analyze and adjust the evolution of the system to achieve long-term and sustainable growth of GMV. ...
Posted
21 hours ago
Undisclosed
Singapore
- Research on foundation models and frontier generative technologies: Explore the capability boundaries of large language models (LLMs) and multimodal large models (MLLMs), especially the evolution of foundation capabilities for agentic scenarios. Conduct in-depth research and propose innovative post-training paradigms, tackling challenges in complex reasoning such as CoT reasoning and long-horizon planning, tool use, reinforcement learning alignment such as innovative applications of PPO, GRPO, and other new RLHF algorithms for agent behavior alignment, reward model design, and AI safety. Build model capabilities for autonomous decision-making and reflection from the underlying architecture. Explore and break through the underlying architectures of frontier visual generation algorithms such as diffusion and flow matching, building a strong perception and environment simulation foundation for multimodal agents.
- Frontier breakthroughs in large model agents: Lead underlying algorithmic innovation for Agentic AI. Focus on academic challenges such as agentic reinforcement learning, complex logical reasoning and planning, long-term memory mechanisms, and knowledge injection. Explore the theoretical foundations of emergent multi-agent collaboration and optimal interaction strategies in highly complex, open-ended environments.
- Forward-looking technical evaluation and theoretical construction: Define and build the evaluation system for next-generation AIGC and agent systems. Identify fundamental problems with core academic value in real-world, large-scale commercial scenarios such as advertising and e-commerce content ecosystems, and design new algorithmic frameworks to address long-tail generalization, interpretability, and multimodal alignment challenges. ...
Posted
21 hours ago
Undisclosed
Singapore
- Define and drive Service Level Objectives (SLOs) for online machine learning inference systems, ensuring the reliability, availability, and performance of large-scale production inference services;
- Ensure the reliability and operational excellence of offline machine learning training pipelines, continuously improving training job success rates;
- Drive infrastructure capacity planning and resource management for machine learning workloads, ensuring compute resources meet evolving business demands while continuously improving GPU and CPU utilization through performance optimization; ...
Posted
21 hours ago
Undisclosed
Singapore
- Participate in the optimization of ByteDance LIVE business and serve the LIVE experience of billions of global users.
- Adopt cutting-edge machine learning models to improve business metrics (LIVE revenue and LIVE content quality), and bring creators/operators the ultimate experience in LIVE business.
- Deeply participate in product/business discussions, analyze and understand user behaviour patterns, and provide optimization directions for improvement. ...
Posted
21 hours ago
Undisclosed
Singapore
- AI Search & AI Bot Team: Specializes in LLM application algorithm R&D for TikTok Search, covering core scenarios including AI Search Q&A cards and TikTok's official AI Assistant. We leverage LLM ChatBot, Agent, and RAG technologies to deliver accurate, real-time search responses for users, driving business growth through deep integration of technical innovation and business scenarios.
- Multimodal Large Model Team: Builds industry-leading large model-based search technology, with deep expertise in NLP, CV, and multimodal technology domains. We explore cutting-edge technology applications in complex search scenarios, with technical achievements directly empowering TikTok Search functions to enhance user experience.
- Local Services Search Team: Optimizes Local Service search experience, helping users discover catering, hotel, leisure and other life services. We apply LLM for query understanding, CTR/CVR prediction, local-service ai search card and agentic local service search framework. ...
Posted
21 hours ago
Undisclosed
Singapore
- Large language Model Algorithm Development: Build domain-specific large language models (LLM/MLLM) for e-commerce, integrating domain knowledge to rapidly apply models to business scenarios.
- E-commerce Governance Optimization: Understand e-commerce governance scenarios deeply to improve merchant/product/video/live-stream/IPR governance through algorithm optimization. Develop state-of-the-art intelligent review systems capable of “knowing why to reject” decisions.
- Model Enhancement: Handle tasks like data construction, foundational model enhancement, instruction fine-tuning, chain-of-thought (CoT) , and parameter-efficient fine-tuning (PEFT) to achieve optimal model performance in the e-commerce domain. ...
Posted
21 hours ago
Undisclosed
Singapore
- Translate business requirements and end-to-end solution designs into technical implementations, and build batch and real-time data warehouses.
- Lead data modeling design, and develop, maintain, and optimize ETL jobs.
- Collaborate with business teams to define and build data metrics based on the data warehouse. ...
Posted
21 hours ago
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