Security Engineer

Security Engineering Project Intern (Watermark) - 2026 Start (BS/MS)

Location: San Jose

Team: Technology

Employment Type: Intern

Job Code: A13756A

Responsibilities

Work with the team to design and develop new invisible watermark algorithms that effectively balance high robustness, high visual quality, and tamper resistance.

Explore security solutions in the AIGC era, building industry‑leading capabilities for protecting LLM copyrights and tracing the provenance of AIGC.

Partner with mentors on rapid exploration sprints: frame hypotheses, design experiments, run evaluations, and iterate quickly from concept to proof‑of‑concept to early productization on frontier challenges.

Collaborate closely with cross‑functional teams — including product, platform, and research — to understand real‑world requirements and translate them into actionable solutions.

Qualifications

Minimum Qualifications

Undergraduate, or Postgraduate who is currently pursuing a degree/master in Computer Science, Computer Engineering, Security, AI or other STEM disciplines.

Proven experience of grasp of computer science fundamentals (algorithms, data structures, operating systems, networking).

Proficiency in one or more backend programming languages such as Python, Go, C++, Java or similar, with familiarity with common development frameworks and a solid grasp of fundamental data structures and algorithms.

Proven skills with one or more of the following: OpenCV‑based image processing, signal processing, or deep learning techniques relevant to invisible watermarking.

Preferred Qualifications

Proven experience in invisible watermark development for images, video, or audio.

Proven experience with AIGC watermarking or LLM model watermarking is a strong plus.

Proactive, optimistic mindset with a strong sense of responsibility and excellent problem‑solving and analytical skills.

Proven skills in communication and a collaborative team spirit.

Job Information

The hourly rate range for this position in the selected city is $45- $60.

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.

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.

Los Angeles County (unincorporated) Candidates

Qualified applicants with arrest or conviction records will be considered for employment in accordance with all federal, state, and local laws including the Los Angeles County 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:

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.

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