791,964open jobs
50,470companies
123,351added this week
Browse all
Salary
≈ $34k – $67k per year (Estimated)
Location
In office (Singapore)
Seniority
Intern
Employment
Internship

Confirmed on the employer's own hiring board on Sep 25, 2026. First seen by Alion on Jul 25, 2025.

Overview
Company
Impact
Profile match
ByteDance is a Chinese internet technology company founded in Beijing in 2012 that operates some of the world's largest content and commerce platforms. Its portfolio includes the short-video apps TikTok and Douyin, the news aggregator Toutiao, the video editor CapCut, the workplace suite Lark and the Doubao family of AI assistants and models. Recommendation systems trained on user behaviour sit at the centre of every product, and the company has grown into one of the highest-revenue private technology businesses in the world.

岗位职责 / Responsibilities

Team Introduction

The Data Model team focuses on the application and implementation of large models in the field of data intelligence, providing horizontal support for large-model solutions across multiple data products of the company. The team is committed to keeping up with cutting-edge advancements in large models, designing end-to-end algorithm optimization and evaluation solutions by integrating domain-specific model optimization strategies, and achieving intelligent upgrades of data products along with improved application effectiveness. We encourage agile innovation and dedicate ourselves to the continuous exploration and research of data intelligence topics.

We are looking for talented individuals to join us for an internship in 2026*. PhD Internships at TikTok aim to provide students with the opportunity to actively contribute to our products and research, and to the organization's future plans and emerging technologies.

Candidates can apply to a maximum of two positions and will be considered for jobs in the order you apply. The application limit is applicable to TikTok and its affiliates' jobs globally.

Applications will be reviewed on a rolling basis - we encourage you to apply early.

Successful candidates must be able to commit to at least 3 months long internship period.

Responsibilities:

- Data enhancement algorithm optimization: Design a data-centric algorithm framework for data reasoning tasks, optimize the Reasoning Data synthesis pipeline, and improve the logical consistency, domain adaptability, and diversity of training data.

- Innovative integration of data and reasoning LLM: Address the Over/Under-Thinking issues in chain-of-thought generation, and explore technical challenges in applying LLMs to complex data analysis and development tasks.

- Application and implementation of reasoning LLM: Track the technical evolution of open-source SOTA large models, practice domain adaptation optimization in the post-training phase, verify application value, achieve continuous iteration of effectiveness based on evaluation systems, and generate technical patents.

任职要求 / Requirements

Minimum Qualifications:

- Currently pursuing a PhD in Computer Science, engineering or quantitative field.

- Proficiency in Python, PyTorch, and related code libraries

- Familiarity with research work and algorithms in the large-model field, especially those related to reinforcement learning

Preferred Qualifications:

- Research experience in LLM & NLP is preferred.

- Candidates with high-impact conference papers or awards in renowned competitions are preferred.

- Excellent academic vision and judgment, strong ability to solve problems, as well as good teamwork spirit and communication.

By submitting an application for this role, you accept and agree to our global applicant privacy policy, which may be accessed here: https://jobs.bytedance.com/en/legal/privacy

If you have any questions, please reach out to us at [email protected]

Free account
Stop reading job ads. Get the ones that fit.
One free account turns this page into a shortlist built around your stack, your level and your pay.
Match on every job. Stack, seniority, pay and location, scored against your profile.
791,964 open roles. Read straight off company career pages, refreshed every day.
Unlimited applications. Every one you send is tracked in one place, on-site or on a company board.
3 tailored CVs a month. Rewritten for the exact job you are applying to. Included free.
Create a free account Continue with Google
Free forever. No card. Under a minute.

Your match

How well do you fit this role?
Two answers are enough for a real match. No account needed.
Check my fit
Answers stay in this browser until you create an account.

Recommended for you based on this role

Early Careers
Similar stack
Same company
Singapore
≈ $32k – $62k per year (Estimated) • In office • Internship • Bachelor's Degree • Singapore
Apply
≈ $35k – $69k per year (Estimated) • In office • Internship • Master's Degree • Singapore
AI/ML
Multimodal AI
Recommender Systems
Apply
≈ $32k – $62k per year (Estimated) • In office • Internship • Master's Degree • Singapore
Python
SQL
Analytics
Tableau
Power BI
Looker
Microsoft Excel
Management
Google Sheets
Apply
≈ $32k – $62k per year (Estimated) • In office • Internship • Singapore
Apply
≈ $32k – $62k per year (Estimated) • In office • Internship • Bachelor's Degree • Singapore
SQL
Apply
$96k – $111k per year • Equity 0.2–0.5% • Remote (United States) • Internship • Master's Degree • San Francisco
Python
AI/ML
Qwen
Reinforcement Learning
Multimodal AI
AI Agents
PyTorch
LLM
Human-in-the-Loop
Computer Use
Multi-Agent Systems
DevOps
GCP
AWS
GitHub
Cybersecurity
GDPR
Apply
$100k – $150k per year • Equity 0.5–0.8% • In office • Full-Time • 1+ year exp • San Francisco
Python
Go
Rust
TypeScript
Databases
PostgreSQL
AI/ML
Copilot
AI Agents
LLM
DevOps
GCP
Azure
AWS
Docker
KVM
GitHub
Linux
Windows
Cybersecurity
GDPR
Apply
≈ $46k – $110k per year (Estimated) • Hybrid • Full-Time • 7+ years exp • Chiyoda
Python
TypeScript
Python
FastAPI
AI/ML
AI Agents
LLM
RAG
Semantic Search
LLMOps
Semantic Search
Recommender Systems
Machine Learning
DevOps
GCP
Azure
CI/CD
AWS
Apply
FP&A Intern 3 hours ago
In office • Internship • Bachelor's Degree • Chennai
Python
SQL
AI/ML
ChatGPT
Prompt Engineering
AI Agents
Pandas
Copilot Studio
DevOps
Rest API
Analytics
Power BI
Microsoft Excel
Management
Power Automate
Power Apps
Outlook
SharePoint
Apply
$150k – $200k per year • Equity 0.5–1.5% • Remote (United States) • Full-Time • 3+ years exp • San Francisco
AI/ML
Reinforcement Learning
AI Agents
Synthetic Data
Computer Use
DevOps
Linux
Windows
Apply
≈ $32k – $62k per year (Estimated) • In office • Internship • Bachelor's Degree • Singapore
Python
SQL
Apply
≈ $32k – $62k per year (Estimated) • In office • Internship • Bachelor's Degree • Singapore
Python
SQL
Apply
≈ $32k – $62k per year (Estimated) • In office • Internship • Bachelor's Degree • Singapore
Python
SQL
Apply
≈ $34k – $86k per year (Estimated) • In office • Full-Time • 3+ years exp • Master's Degree • Singapore
Apply
≈ $33k – $64k per year (Estimated) • In office • Internship • Bachelor's Degree • Singapore
Analytics
A/B Testing
Apply
Communications Intern 12 hours ago
≈ $32k – $62k per year (Estimated) • In office • Internship • Bachelor's Degree • Singapore
Apply
≈ $32k – $62k per year (Estimated) • In office • Internship • Singapore
Apply
≈ $32k – $62k per year (Estimated) • In office • Internship • Singapore
Apply
≈ $32k – $62k per year (Estimated) • In office • Internship • Singapore
Apply
≈ $32k – $62k per year (Estimated) • In office • Internship • Singapore
Design
Figma
Apply
See all jobs
This is one of many
791,964 more open roles from verified company boards, updated every day.