Backend Software Engineer - Multimedia Platform

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 its offices include New York, London, Dublin, Paris, Berlin, Dubai, 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.

About
Video Arch is one of the world's leading video platforms that provides media storage, delivery, transcoding, and streaming services. We are building the next generation video processing platform and the largest live streaming network, which provides excellent experiences for billions of users around the world. Popular video products of TikTok and its affiliates are all empowered by our cutting-edge cloud technologies. Working in this team, you will have the opportunity to tackle challenges of large-scale networks all over the world, while leveraging your expertise in coding, algorithms, complexity analysis, and large-scale system design.

About the team
At TikTok, the Media Service Team builds the multimedia infrastructure powering our platform and other products. Part of the VideoArch department, we specialize in Video-on-Demand (VoD) technology, developing solutions that process billions of videos daily. Our core responsibilities include optimizing TikTok's high-performance VoD transcoder, architecting cost-saving VoD strategy platforms that have trimmed tens of millions in costs, and building distributed task processing platforms that enable efficient multimedia development. Join our team and contribute to video technologies captivating millions worldwide. We offer growth opportunities, collaboration with experts, and the chance to shape multimedia experiences. If you thrive on challenges, cutting-edge tech, and want to make an impact, explore exciting roles with the Media Service Team.

Responsibilities
• Participate in the design, development, and maintenance of the large-scale multimedia processing system, which processes billions of videos per day for TikTok, ensuring seamless multimedia experiences for our global user base.
• Contribute to the construction of the VoD strategy platform to deliver cost-effective transcoding and storage optimization strategies, continuously innovating to drive significant cost savings across our operations.
• Work in areas related to large-scale distributed system development, workflow orchestration, task scheduling, just-in-time video transcoding, data analysis, and other solutions enabling efficient multimedia processing at an unprecedented scale.Minimum Qualifications
• Bachelor's degree in Computer Science, Software Engineering, or a closely related technical field.
• Proficiency in at least one general-purpose programming language such as Golang, Python, C++, or Java, with demonstrated experience in writing efficient, maintainable, and well-documented code.
• Hands-on experience with debugging techniques and code optimization practices.

Preferred Qualifications
• Significant experience in designing and architecting large-scale video processing systems or similar distributed systems architectures.
• Minimum of 2 years of professional experience in developing and maintaining large-scale infrastructure and distributed systems.
• Knowledge of data analysis techniques, data mining, and familiarity with structured query languages (e.g., SQL, HQL).
• Understanding of machine learning principles and mathematical modeling concepts.
• Excellent communication skills and the ability to collaborate effectively within a team environment.
• Strong problem-solving and analytical skills, with a proven ability to research and implement solutions to complex technical challenges.
• Proven ability to quickly learn and adapt to new technologies and programming languages.
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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.
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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 their Elders past and present and extend that respect to all Aboriginal and Torres Strait Islander peoples today.
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