Machine Learning Engineer Project Intern (Security-Data) - 2026 Start (BS/MS)

ByteDance; San Jose (CA); On-site; USD 51,000 - 73,000; Part time

Benefits offered by this job

Health insurance

Life insurance

Wellbeing benefits

Housing allowance

Paid holidays

Job summary

ByteDance seeks a security engineering campus intern to work on building scalable security services and technologies. You will engage in short-term, impactful projects and gain real-world experience in a fast-paced environment.

Ideal candidates are pursuing CS/CE/Security/AI with programming fluency in C++, Java or Python and a strong interest in ML systems. The role offers hourly compensation and health benefits on day one where available.

Qualifications

• Currently pursuing a degree in CS, CE, security, AI or related STEM field.
• Proficient in C++/Java/Python with solid coding ability.
• Familiar with data mining algorithms including clustering, anomaly detection and graph learning.
• Experience with Hive, SQL, Spark or Flink for big data analysis.

Responsibilities

• Improve the upper bound of large models for security tasks.
• Train vertical large models and apply them to security tasks such as code analysis and threat research.
• Explore and innovate on model stacks (data synthesis, post-training, acceleration, distillation).

Skills

C++/Java/Python

ML platforms

Data mining algorithms

Big data tools

Education

Bachelor's or Master's in CS/CE/Security/Statistics/AI

Tools

Hive

SQL

Spark

Flink

Job description

Responsibilities

About the Team

The security engineering team is missioned to build security services, platforms and technologies, as well as to support cross-functional teams to protect our users, products and infrastructures. In this team you'll have a unique opportunity to have first-hand exposure to the strategy of the company in key security initiatives, especially in building scalable and secure-by-design systems and solutions. You also have opportunities to go through the whole lifecycle of security products or services, are encouraged to participate in each phase, each part of the projects and have the whole picture of what we are working on.

As a project intern, you will have the opportunity to engage in impactful short-term projects that provide you with a glimpse of professional real-world experience. You will gain practical skills through on-the-job learning in a fast-paced work environment and develop a deeper understanding of your career interests.

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

• Improving the intelligent upper limit of large models in the security field.
• Training vertical large models and applying them to security tasks, such as code analysis, vulnerability detection, attack research and judgment, threat intelligence, SDLC (Secure Development Lifecycle)
• Deeply applying and innovating large model technology stacks, such as data synthesis, model post-training (SFT/GRPO/Agent), model acceleration and distillation, exploring technical boundaries.

Qualifications

Minimum Qualifications

• Undergraduate, or Postgraduate who is currently pursuing a degree/master in Computer Science, Computer Engineering, Security, Statistics, Artificial Intelligence, or other STEM disciplines.
• Proven experience with C++/Java/Python, with excellent coding ability, and at least familiar with one common machine learning/deep learning platform
• Proven skills with common algorithms and theories of data mining, including data denoising/statistical learning/classification and clustering/anomaly detection/graph learning and other algorithms.
• Proven experience of relevant experience in big data processing, proficient in using Hive, SQL, Spark, Flink for big data analysis and mining.

Preferred Qualifications

• Have the ability to implement machine learning algorithms, and those with relevant practical experience are preferred.
• Enthusiastic about challenging things, with self-drive, fast learning ability, good communication skills and innovative thinking.

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.

Job Information

【For Pay Transparency】Compensation Description (Hourly) - Campus Intern

The hourly rate range for this position in the selected city is $45- $45.

Benefits

Benefits may vary depending on the nature of employment and the country work location. Interns have day one access to health insurance, life insurance, wellbeing benefits and more. Interns also receive 10 paid holidays per year and paid sick time (56 hours if hired in first half of year, 40 if hired in second half of year). Interns who are not working 100% remote may also be eligible for housing allowance.

The Company reserves the right to modify or change these benefits programs at any time, with or without notice.

For Los Angeles County (unincorporated) Candidates

• Interacting and occasionally having unsupervised contact with internal/external clients and/or colleagues;
• Appropriately handling and managing confidential information including proprietary and trade secret information and access to information technology systems; and
• Exercising sound judgment.

About Us

Founded in 2012, ByteDance\'s mission is to inspire creativity and enrich life. With a suite of more than a dozen products, including TikTok, Lemon8, CapCut and Pico as well as platforms specific to the China market, including Toutiao, Douyin, and Xigua, ByteDance has made it easier and more fun for people to connect with, consume, and create content.

Why Join ByteDance

Inspiring creativity is at the core of ByteDance\'s mission. Our innovative products are built to help people authentically express themselves, discover and connect - and our global, diverse teams make that possible. Together, we create value for our communities, inspire creativity and enrich life - a mission we work towards every day.

As ByteDancers, we strive to do great things with great people. We lead with curiosity, humility, and a desire to make impact in a rapidly growing tech company. By constantly iterating and fostering an \"Always Day 1\" mindset, we achieve meaningful breakthroughs for ourselves, our Company, and our users. When we create and grow together, the possibilities are limitless. Join us.

Diversity & Inclusion

ByteDance is committed to creating an inclusive space where employees are valued for their skills, experiences, and unique perspectives. Our platform connects people from across the globe and so does our workplace. At ByteDance, our mission is to inspire creativity and enrich life. To achieve that goal, we are committed to celebrating our diverse voices and to creating an environment that reflects the many communities we reach. We are passionate about this and hope you are too.

Reasonable Accommodation

ByteDance is committed to providing reasonable accommodations in our recruitment processes for candidates with disabilities, pregnancy, sincerely held religious beliefs or other reasons protected by applicable laws. If you need assistance or a reasonable accommodation, please reach out to us at https://tinyurl.com/RA-request