# Machine Learning Engineer, TikTok Content Recommendation (Ecosystem & Cold-Start) Source: https://realanalystjobs.com/job/machine-learning-engineer-tiktok-content-recommendation-ecosystem-and-cold-start-aa43143f Machine Learning Engineer, TikTok Content Recommendation (Ecosystem & Cold-Start) at TikTok, an on-site role based in San Jose, California, USA. Experience level: 2+ Years. First seen on RealAnalystJobs on 15 November 2026, read from TikTok's own careers page (TikTok), which RealAnalystJobs re-checks daily and removes the role when it closes. TikTok has approved H-1B petitions on USCIS record (employer-wide, not a promise for this role). Updated 15 November 2026. ## Key facts - Company: [TikTok](https://realanalystjobs.com/companies/tiktok) - Location: San Jose, California, USA - Work mode: On-site - First seen: Nov 15, 2026 - Employment type: Full time - Experience level: 2+ Years - Source: TikTok's careers page (TikTok), re-checked daily Skills: [Python](https://realanalystjobs.com/skills/python) ## Visa sponsorship The posting does not say. TikTok had H-1B petitions approved for 454 workers in fiscal year 2026 (USCIS). That is history, not a promise for this role. [See the record](https://realanalystjobs.com/companies/tiktok#h1b-record) ## About this role About the Team Our team is responsible for designing and optimizing TikTok's content distribution and author growth mechanism to ensure the healthy and sustainable development of TikTok's content ecosystem. Our work involves optimizing large-scale recommendation algorithms, solving optimization problems with complex constraints, designing and implementing recommendation architectures for various scenarios, and conducting complex and in-depth analyses of product data. Here, you can drive deeper into the improvement and optimization of machine learning/deep learning algorithms, including but not limited to Mathematics, CV/NLP technology, multi-task learning, multi-modal technology, meta-learning, reinforcement learning, causal inference, metric learning, graph neural networks, active learning, life long learning, etc. Responsibilities - What You'II Do - Build industry-leading recommendation system, improving user experience, the content ecosystem and platform security; - Deliver end-to-end machine learning solution to address critical product challenges; - Own the full stack machine learning system and optimize algorithms and infrastructure to improve recommendation performance. - Work with cross functional teams to design product strategies and build solutions to grow TikTok in important markets. Qualifications Minimum Qualifications - Bachelor degree or above in computer science or a related major, with 2+ years of related work experience; - Strong software development experience with C++, Python or other programming language; - Experience in one or more of the following areas: applied machine learning, machine learning infrastructure, large-scale recommendation system, market-facing machine learning product; - Strong communication and teamwork skills; - Passion about techniques and solving challenging problems. Description from TikTok's public careers feed, reproduced so you can read the role here. Apply on the company's own site; Real Analyst Jobs never submits anything for you. ## How to apply Open [this role on Real Analyst Jobs](https://realanalystjobs.com/job/machine-learning-engineer-tiktok-content-recommendation-ecosystem-and-cold-start-aa43143f) and use Apply now there to reach the employer's application. The listing is re-checked against TikTok's careers page daily and removed when it closes. ## TikTok 101 open analyst roles on Real Analyst Jobs. [More roles at TikTok](https://realanalystjobs.com/companies/tiktok) ## More like this ### Other open roles at TikTok - [Business Analyst, Business Integrity](https://realanalystjobs.com/job/business-analyst-business-integrity-tiktok-c28aba20), Singapore - [Business Analyst - Global Business Solutions - São Paulo](https://realanalystjobs.com/job/business-analyst-global-business-solutions-sao-paulo-tiktok-14e33f1e), Sao Paulo, Brazil - [Global Quality Operations AI Solutions Specialist](https://realanalystjobs.com/job/global-quality-operations-ai-solutions-specialist-tiktok-b968d27f), Singapore - [Monetization Strategy & Operations Manager - GBS](https://realanalystjobs.com/job/monetization-strategy-and-operations-manager-gbs-tiktok-d9b1af11), Buenos Aires, Argentina - [Risk Analyst](https://realanalystjobs.com/job/risk-analyst-tiktok-900d7b2d), San Jose California, USA (On-site) - [Data analyst jobs in the USA](https://realanalystjobs.com/jobs/data-analyst-jobs-in-usa) - [Analyst job market report](https://realanalystjobs.com/analyst-job-market) - [What analyst roles pay](https://realanalystjobs.com/blog/data-analyst-salaries) ## Sources and links - [This role on Real Analyst Jobs](https://realanalystjobs.com/job/machine-learning-engineer-tiktok-content-recommendation-ecosystem-and-cold-start-aa43143f) - [TikTok on Real Analyst Jobs](https://realanalystjobs.com/companies/tiktok) - [All analyst jobs](https://realanalystjobs.com/jobs)