Backend Engineer Intern

Responsibilities
We are looking for talented individuals to join us for an internship in 2026 (Earliest starting in January). Internships at TikTok aim to offer students industry exposure and hands-on experience. Watch your ambitions become reality as your inspiration brings infinite opportunities at TikTok. Applicants must be current students and maintain enrollment throughout the entire internship period. Graduates are not eligible for internship positions.

Applicants should be available for a minimum 12-week internship, working at least 3 days per week onsite at TikTok's Sydney office.

Responsibilities

• Design, develop, and maintain a global-scale, multi-regional live streaming platform.
• Architect, implement, and operate critical and scalable services, including video delivery services, live scheduling services, and core persistence layer.
• Construct live streaming platforms, systems, and infrastructure, leveraging knowledge in network and distributed systems.
• Ensure service and system quality through the development of testing frameworks and creation of automated tests.
• Contribute to design reviews and code reviews for the live services infrastructure team.

Qualifications
Minimum Qualifications

• Undergraduate, or Postgraduate who is currently pursuing a Bachelor/Masters Degree in Software Development, Computer Science, Computer Engineering, or a closely related technical field, expecting to graduate by December 2026.
• Candidates are expected to work on-site at our Sydney office for a minimum of three days per week during the internship, which runs for at least 3 months and may be extended based on performance and mutual agreement.
• Good programming experience with at least one of the following languages: C, C++, Java, Python, or Go
• Familiarity with Unix/Linux operating systems

Preferred Qualifications

• Experience with SQL, NoSQL databases, Memcache/Redis
• Experience with video processing and delivery technology

Job Information

About TikTok
TikTok is the leading destination for short-form mobile video. At TikTok, our mission is to inspire creativity and bring joy. TikTok's global headquarters are in Los Angeles and Singapore, and we also have offices in New York City, London, Dublin, Paris, Berlin, Dubai, Jakarta, Seoul, and Tokyo.

Why Join Us

Inspiring creativity is at the core of TikTok's mission. Our innovative product is 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 bring joy - a mission we work towards every day.

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. Every challenge is an opportunity to learn and innovate as one team. We're resilient and embrace challenges as they come. 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

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.

Acknowledgment of Country

In the spirit of reconciliation, TikTok acknowledges the Traditional Custodians of country throughout Australia and their connections to land, sea and community. We pay our respect to elders past and present and extend that respect to all Aboriginal and Torres Strait Islander peoples today.