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60 It Jobs - September 2026 - Urgent Hiring
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Undisclosed
Singapore
- Design and develop ML algorithms and intelligent systems for large-scale e-commerce scenarios: recommendation, ranking, retrieval, forecasting, content understanding, pricing, governance, and conversational AI.
- Apply machine learning, deep learning, NLP, CV, multimodal models, and LLMs to solve real-world business problems.
- Build end-to-end algorithm solutions: data processing, feature engineering, model training, evaluation, deployment, monitoring, and continuous optimization. ...
Posted
9 days 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
9 days ago
Undisclosed
Singapore
- Precision Subsidies & Intelligent Pricing: Model user demand elasticity across products and coupon values, combined with operations research optimization to solve for optimal budget allocation under strict constraints — maximizing GMV and conversion rate.
- Intelligent Global Budget Optimization (Operations Research & Game Theory): Design globally optimal allocation and pricing algorithms based on elasticity modeling, enabling large-scale budgets to flow precisely across billions of users, massive product catalogs, and diverse scenarios for optimal budget efficiency.
- Deep Synergy Between Traffic and Marketing (Vouchers × Traffic): Integrate real-time item-wise voucher capabilities into recommendation pipelines across short videos, live streaming, and marketplace. Break down barriers between marketing and recommendation to enable joint "traffic + subsidy" decision-making and global optimization. ...
Posted
9 days ago
Undisclosed
Singapore
- The opportunity to work on TikTok’s audio and video creation experiences and build the next generation of AI-powered creative tools for users worldwide.
- A role centered on real product challenges and end-to-end delivery, without being siloed into Android- or iOS-only development.
- The opportunity to integrate AI coding deeply into everyday engineering and help shape the next generation of software development practices. ...
Posted
9 days 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
9 days 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
9 days 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
9 days 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
9 days ago
Undisclosed
Singapore
- Build and maintain high-performance online services and data pipelines for TikTok Live recommendation systems.
- Design and develop high-performance computing frameworks and storage systems to support real-time live streaming scenarios.
- Build globalized large-scale recommendation systems for live broadcast use cases. ...
Posted
9 days ago
Undisclosed
Singapore
- Responsible for the search system of TikTok and its affiliated products, and solving the architecture optimization problem of the search architecture system;
- Focus on architecture abstraction and process optimization for search scenarios, support large-scale machine learning optimization;
- Focus on large-scale systems with high concurrency and high throughput, improve system stability, performance, and scalability; ...
Posted
9 days ago
Undisclosed
Singapore
- Collaborate with multiple cross-functional teams to continuously improve TikTok Wallet and payment system to create a stable, agile and robust in-app wallet system
- Improve system design and architecture to ensure high stability, performance and reliability of the product.
- Develop large-scale software systems that powers TikTok app. ...
Posted
9 days ago
Undisclosed
Singapore
- Design and develop intelligent engineering tools for large-scale recommendation systems, providing standardized and productized solutions to improve R&D efficiency and engineering quality.
- Build AI Agent-based development workflow systems, including long-running agents, autonomous task execution, engineering copilots, and intelligent automation platforms, to improve system stability, operational efficiency, and cost effectiveness across the software development lifecycle.
- Develop business metrics-driven gray release systems to ensure safe, stable, and efficient release strategies and workflows. ...
Posted
9 days ago
Undisclosed
Singapore
- Plan and lead large-scale technical projects, especially fund projects, to lay the foundation for the iterative development and scale of early products
- Align with product and org objectives, coordinate with cross functional teams on delivering key results.
- Develop robust, efficient technology platform products ...
Posted
9 days 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
9 days ago
Undisclosed
Singapore
- Design, build, and maintain core metrics systems related to platform content safety and risk, including but not limited to content violation, user report, and account risk identification.
- Develop comprehensive monitoring and anomaly detection systems to quickly identify and analyze security incidents, providing data support for risk alerts and policy adjustments.
- Apply rigorous statistical methods, including A/B testing, causal inference, regression analysis, and more, to evaluate the effectiveness of security policies. Deeply analyze experiment results, provide quantitative evidence for business decisions, and continuously optimize experiment design to improve evaluation efficiency. ...
Posted
9 days ago
Undisclosed
Singapore
- Responsible for the design, development, and iteration of AI Agents in TikTok Shop business scenarios, covering the full cycle from requirement analysis to architecture design, development, and launch, delivering intelligent and efficient product experiences for merchants and users;
- Deeply implement Agent capabilities into core e-commerce scenarios, including but not limited to intelligent customer service, product operation assistance, business decision support, content generation, and business process automation, helping merchants and creators better reach consumers and improve operational efficiency;
- Responsible for the continuous development and optimization of the Agent technology stack, covering Context Engineering, Harness, RAG (Retrieval-Augmented Generation), Multi-Agent collaboration, Memory systems, Reinforcement Learning, workflow orchestration, and knowledge base construction; ...
Posted
9 days 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
9 days ago
Undisclosed
Singapore
- Design and develop ML algorithms and intelligent systems for large-scale e-commerce scenarios: recommendation, ranking, retrieval, forecasting, content understanding, pricing, governance, and conversational AI.
- Apply machine learning, deep learning, NLP, CV, multimodal models, and LLMs to solve real-world business problems.
- Build end-to-end algorithm solutions: data processing, feature engineering, model training, evaluation, deployment, monitoring, and continuous optimization. ...
Posted
9 days ago
Undisclosed
Singapore
- Design and optimize recommendation system architectures to improve development efficiency, performance, scalability, and recommendation effectiveness across feeds and vertical content scenarios.
- Build and optimize backend systems and services for data security, modularity, computational efficiency, and scalability.
- Ensure production system stability through troubleshooting, mechanism design, and tooling development. ...
Posted
9 days 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
9 days ago
Undisclosed
Singapore
- Precision Subsidies & Intelligent Pricing: Model user demand elasticity across products and coupon values, combined with operations research optimization to solve for optimal budget allocation under strict constraints — maximizing GMV and conversion rate.
- Intelligent Global Budget Optimization (Operations Research & Game Theory): Design globally optimal allocation and pricing algorithms based on elasticity modeling, enabling large-scale budgets to flow precisely across billions of users, massive product catalogs, and diverse scenarios for optimal budget efficiency.
- Deep Synergy Between Traffic and Marketing (Vouchers × Traffic): Integrate real-time item-wise voucher capabilities into recommendation pipelines across short videos, live streaming, and marketplace. Break down barriers between marketing and recommendation to enable joint "traffic + subsidy" decision-making and global optimization. ...
Posted
9 days ago
Undisclosed
Singapore
- Education & Foundation: Ph.D. in Computer Science, AI, Mathematics, or a related field, with a strong foundation in data structures, algorithms, and mathematical modeling.
- AI/ML Expertise: Solid understanding and research experience in Deep Learning, NLP, CV, Reinforcement Learning, Generative Models, or Multimodal Learning.
- Coding & Engineering: Proficient in major programming languages and machine learning frameworks (e.g., PyTorch, TensorFlow), combined with excellent problem-solving, self-learning, and teamwork skills. ...
Posted
9 days 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
9 days ago
Undisclosed
Singapore
- Recommendation Large Models: Address challenges such as gradient convergence and representation drift in ultra-long behavioral sequences, enabling the system to achieve true ""logical reasoning"" capabilities.
- Unified Multimodal Semantic Space: Explore alignment across video, image-text content, and user intent, constructing a fully multimodal semantic space that goes beyond text.
- Agentic Rec:Develop recommendation agents with capabilities such as self-reflection, tool invocation, and long-horizon planning, driving a transformation of recommendation and content distribution experiences. ...
Posted
9 days ago
Undisclosed
Singapore
- Design and implement offline data architectures for large-scale recommendation systems.
- Build flexible, scalable, and high-performance storage and computing systems.
- Ensure production system stability through troubleshooting and tooling development. ...
Posted
9 days ago
Undisclosed
Singapore
- Responsible for development of data-empowered capabilities for e-commerce platform, enable different e-commerce verticals to extract and apply key insights from oceans of data to meet their business needs;
- Develop data mining pipelines to extract data assets (eg. entity labels) from aggregated data and enable the extraction of actionable insights from large volumes of domain data;
- Design and development of various strategies, algorithms and machine learning techniques to improve the accuracy and coverage of extracted data assets; ...
Posted
9 days ago
Undisclosed
Singapore
- Build and maintain high-performance online services and data pipelines for TikTok Shop recommendation and search systems.
- Design and develop high-performance computing frameworks and storage systems for e-commerce scenarios.
- Develop and optimize search engine architecture for TikTok Shop, including retrieval systems and data processing platforms. ...
Posted
9 days ago
Undisclosed
Singapore
- Own the reliability of ByteDance's global advertising systems, participate in the design of reliability architecture, and ensure high availability of large-scale advertising systems.
- Design, implement, validate, and continuously optimize global disaster recovery (DR) solutions for the advertising systems, and lead disaster recovery preparedness and incident response.
- Manage and plan infrastructure capacity for the advertising systems, ensuring resources scale efficiently with business growth while continuously improving infrastructure utilization through performance optimization ...
Posted
9 days ago
Undisclosed
Singapore
- Regularly collect requirements from business units and effectively communicate them to the product development team.
- Provide solutions and ensure execution for straightforward payment scenarios.
- Coordinate internal product prioritization, ensuring efficient coordination and allocation of development resources to drive orderly progress of business requirements. ...
Posted
9 days 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
9 days ago
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