{"schemaVersion":"jobsearcher.job.v1","id":"e89e7ce6ece4ce524bf59363","url":"https://jobsearcher.com/jobs/e89e7ce6ece4ce524bf59363","canonicalUrl":"https://jobsearcher.com/jobs/e89e7ce6ece4ce524bf59363","title":"Algorithm Engineer, TikTok E-Commerce (Conversational AI)","description":"Algorithm Engineer, TikTok E-Commerce (Conversational AI)\r\nLocation: Seattle\r\nEmployment Type: Regular\r\nJob Code: N3308\r\nResponsibilities\r\nDevelop AI-Powered Customer Service Systems: design and implement an AI-driven conversational agent that handles e-commerce inquiries, complaints, refunds, dispute resolutions, and logistical issues, replacing traditional human agents.\r\nLLM Post-Training & Data-Efficient Learning: apply instruction tuning, RLHF, and continual learning to optimize AI responses with minimal labeled data.\r\nBenchmark and training data construction: identify challenging interactions and construct datasets to enhance training.\r\nDevelop Multilingual Customer Support: build models for cross-language interactions, ensuring accurate translation and culturally appropriate responses.\r\nOptimize Model Efficiency & Deployment: compress, quantize, and implement efficient inference for scalable, low-latency service.\r\nEnhance LLM-Based Interaction Models: reduce errors and hallucinations through post-training strategies.\r\nCreate Automated Dispute Resolution & Policy-Adaptive AI: build models that handle dispute verification and platform compliance.\r\nRefine Response Evaluation Metrics: define quality metrics and conduct A/B testing to improve conversational quality.\r\nEnable AI-Seller Collaboration: develop tools to aid merchants in managing inquiries, operations, and disputes.\r\nOptimize Large-Scale Model Deployment: work on compression, inference optimization, and edge deployment for real-time, high-quality experience.\r\nQualifications\r\nMinimum Qualifications\r\nBachelor's degree or higher in computer science, computer engineering, statistics, applied mathematics, data science, or related disciplines.\r\nAt least 5 years of relevant experience.\r\nLLM Development & Post-Training Expertise: fine-tuning, distillation, or reinforcement learning of large language models for conversational AI.\r\nMultilingual AI Development: proficiency in multilingual NLP, machine translation, and cross-lingual dialogue modeling.\r\nPreferred Qualifications\r\nE-commerce Business Acumen: understanding of policies, dispute workflows, and merchant-buyer interactions.\r\nAdvanced NLP & Deep Learning: expertise in AI agents, retrieval-augmented generation, mixture of experts, sparse attention, RL, inference scaling.\r\nScalability & Efficiency: experience with distributed training, low-latency inference, and edge AI for large-scale customer service.\r\nJob Information\r\nThe base salary range for this position in the selected city is $148,200 - $300,960 annually.\r\nCompensation may vary outside of this range depending on qualifications, skills, competencies and location. Base pay is one part of the Total Package, which may include discretionary bonuses/incentives and restricted stock units.\r\nBenefits may vary by employment nature and location. Employees have day-one access to medical, dental, and vision insurance; a 401(k) savings plan with company match; paid parental leave; short-term and long-term disability coverage; life insurance; wellbeing benefits, among others. Employees receive 10 paid holidays per year, 10 paid sick days per year, and 17 days of Paid Personal Time (prorated upon hire with increasing accruals by tenure).\r\nThe Company reserves the right to modify or change these benefits programs at any time, with or without notice.\r\nFor LosAngelesCounty (unincorporated) Candidates\r\nQualified applicants with arrest or conviction records will be considered in accordance with all federal, state, and local laws including the LosAngelesCounty Fair Chance Ordinance for Employers and the California Fair Chance Act. Our company believes that criminal history may have a direct, adverse and negative relationship on the following job duties, potentially resulting in the withdrawal of the conditional offer of employment:\r\nInteracting and occasionally having unsupervised contact with internal/external clients and/or colleagues;\r\nAppropriately handling and managing confidential information including proprietary and trade secret information and access to information technology systems;\r\nExercising sound judgment.\r\nTikTok Accommodation\r\nTikTok is committed to providing reasonable accommodations in our recruitment processes for candidates with disabilities, pregnancy, sincerely held religious beliefs or other protected reasons. If you need assistance or a reasonable accommodation, please reach out to us at https://tinyurl.com/RA-request\r\nJ-18808-Ljbffr","company":"Ellis Technologies","rawCompany":"ellis technologies","city":"Seattle","state":"WA","isRemote":false,"isActive":false,"createdAt":"2026-06-19T00:53:24.822Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1221.00","title":"Computer and Information Research Scientists","slug":"computer-and-information-research-scientists"},{"code":"15-1299.08","title":"Computer Systems Engineers/Architects","slug":"computer-systems-engineers-architects"}],"industries":[{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"},{"code":"513210","title":"Software Publishers","slug":"software-publishers"},{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Algorithm Engineer, TikTok E-Commerce (Conversational AI)","description":"Algorithm Engineer, TikTok E-Commerce (Conversational AI)\r\nLocation: Seattle\r\nEmployment Type: Regular\r\nJob Code: N3308\r\nResponsibilities\r\nDevelop AI-Powered Customer Service Systems: design and implement an AI-driven conversational agent that handles e-commerce inquiries, complaints, refunds, dispute resolutions, and logistical issues, replacing traditional human agents.\r\nLLM Post-Training & Data-Efficient Learning: apply instruction tuning, RLHF, and continual learning to optimize AI responses with minimal labeled data.\r\nBenchmark and training data construction: identify challenging interactions and construct datasets to enhance training.\r\nDevelop Multilingual Customer Support: build models for cross-language interactions, ensuring accurate translation and culturally appropriate responses.\r\nOptimize Model Efficiency & Deployment: compress, quantize, and implement efficient inference for scalable, low-latency service.\r\nEnhance LLM-Based Interaction Models: reduce errors and hallucinations through post-training strategies.\r\nCreate Automated Dispute Resolution & Policy-Adaptive AI: build models that handle dispute verification and platform compliance.\r\nRefine Response Evaluation Metrics: define quality metrics and conduct A/B testing to improve conversational quality.\r\nEnable AI-Seller Collaboration: develop tools to aid merchants in managing inquiries, operations, and disputes.\r\nOptimize Large-Scale Model Deployment: work on compression, inference optimization, and edge deployment for real-time, high-quality experience.\r\nQualifications\r\nMinimum Qualifications\r\nBachelor's degree or higher in computer science, computer engineering, statistics, applied mathematics, data science, or related disciplines.\r\nAt least 5 years of relevant experience.\r\nLLM Development & Post-Training Expertise: fine-tuning, distillation, or reinforcement learning of large language models for conversational AI.\r\nMultilingual AI Development: proficiency in multilingual NLP, machine translation, and cross-lingual dialogue modeling.\r\nPreferred Qualifications\r\nE-commerce Business Acumen: understanding of policies, dispute workflows, and merchant-buyer interactions.\r\nAdvanced NLP & Deep Learning: expertise in AI agents, retrieval-augmented generation, mixture of experts, sparse attention, RL, inference scaling.\r\nScalability & Efficiency: experience with distributed training, low-latency inference, and edge AI for large-scale customer service.\r\nJob Information\r\nThe base salary range for this position in the selected city is $148,200 - $300,960 annually.\r\nCompensation may vary outside of this range depending on qualifications, skills, competencies and location. Base pay is one part of the Total Package, which may include discretionary bonuses/incentives and restricted stock units.\r\nBenefits may vary by employment nature and location. Employees have day-one access to medical, dental, and vision insurance; a 401(k) savings plan with company match; paid parental leave; short-term and long-term disability coverage; life insurance; wellbeing benefits, among others. Employees receive 10 paid holidays per year, 10 paid sick days per year, and 17 days of Paid Personal Time (prorated upon hire with increasing accruals by tenure).\r\nThe Company reserves the right to modify or change these benefits programs at any time, with or without notice.\r\nFor LosAngelesCounty (unincorporated) Candidates\r\nQualified applicants with arrest or conviction records will be considered in accordance with all federal, state, and local laws including the LosAngelesCounty Fair Chance Ordinance for Employers and the California Fair Chance Act. Our company believes that criminal history may have a direct, adverse and negative relationship on the following job duties, potentially resulting in the withdrawal of the conditional offer of employment:\r\nInteracting and occasionally having unsupervised contact with internal/external clients and/or colleagues;\r\nAppropriately handling and managing confidential information including proprietary and trade secret information and access to information technology systems;\r\nExercising sound judgment.\r\nTikTok Accommodation\r\nTikTok is committed to providing reasonable accommodations in our recruitment processes for candidates with disabilities, pregnancy, sincerely held religious beliefs or other protected reasons. If you need assistance or a reasonable accommodation, please reach out to us at https://tinyurl.com/RA-request\r\nJ-18808-Ljbffr","datePosted":"2026-06-19T00:53:24.822Z","dateModified":"2026-06-19T00:53:24.822Z","hiringOrganization":{"@type":"Organization","name":"Ellis Technologies","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Seattle","addressRegion":"WA","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"e89e7ce6ece4ce524bf59363"},"url":"https://jobsearcher.com/jobs/e89e7ce6ece4ce524bf59363"}}