Responsibilities

TikTok is the leading destination for short-form mobile video. Our mission is to inspire creativity and bring joy. TikTok has global offices including Los Angeles, New York, London, Paris, Berlin, Dubai, Singapore, Jakarta, Seoul and Tokyo.

Why Join Us
Creation is the core of TikTok's purpose. Our platform is built to help imaginations thrive. This is doubly true of the teams that make TikTok possible.
Together, we inspire creativity and bring joy - a mission we all believe in and aim towards achieving every day.
To us, every challenge, no matter how difficult, is an opportunity; to learn, to innovate, and to grow as one team. Status quo? Never. Courage? Always.
At TikTok, we create together and grow together. That's how we drive impact - for ourselves, our company, and the communities we serve.
Join us.

At TikTok, we treat privacy as our first priority in our product design and implementation. Privacy is not just about regulation compliance, but also about a more trusted way to enable technology innovation by respecting users' privacy choices!

Privacy Innovation (PI) Lab is established to explore the next frontier of privacy technology and theory in the digitalized world. We provide key insights and technical solutions on privacy-related innovation for all TikTok's products. Furthermore, we also collaborate with worldwide technical and academic communities to build an open ecosystem to promote privacy friendly digital experience.

PI Lab is growing fast and seeking highly experienced, bright, and capable researchers and professionals to join our team. As a member of PI Lab, you will have the opportunities to research advanced privacy technology and theory together with worldwide influential researchers, and to tackle the critical industrial challenges on privacy innovation serving billions of TikTok users by applying cutting-edge technology.

Responsibilities
- Design, develop, and optimize secure databases tailored for privacy-enhanced cross-domain data analysis.
- Implement advanced SQL parsing and optimization techniques to interpret and execute complex queries efficiently.
- Stay abreast of the latest developments in PETs (including differential privacy, homomorphic encryption, and secure multiparty computation) and integrate these into large-scale applications.
- Collaborate with cross-functional teams to gather requirements and deliver database solutions that align with business objectives and privacy regulations.
- Build open-source tools and infrastructure for privacy related research and engage with community contributors in external events including meetups, hackathons, summits.

Qualifications

- PhD, Master's, or Bachelor's degree in Computer Science, Information Security, or a related field.
- Proven experience in database development with expertise in SQL parsing and optimization.
- Working knowledge of privacy-enhancing technologies and their application in data analysis.
- Proficiency in at least one of the following programming languages, Go, C++, Python, Rust, Java.
- Ability to work globally and collaboratively within a team.

TikTok 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 TikTok, our mission is to inspire creativity and bring joy. 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.

TikTok 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 gprd.accommodations@tiktok.com.