Big Data Engineer (Libra) - Data Platform

Responsibilities
About TikTok
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.
About the team:

Libra is a large-scale online one-stop A/B testing platform developed by TikTok Data Platform .
Provide experimental evaluation services for all product lines within the company, covering solutions for complex scenarios such as recommendation, algorithm, function, UI, marketing, advertising, operation, social isolation, causal inference, etc. Provide services throughout the entire experimental lifecycle from experimental design, experimental creation, indicator calculation, statistical analysis to final evaluation launch. Support the entire company's business on the road of rapid iterative trial and error, boldly assuming and carefully verifying.
What you'll be doing:

- Construct PB-level data warehouses, participate in and be responsible for data warehouse design, modeling, and development, etc.
- Build ETL data pipelines and automated ETL data pipeline systems.
- Build an expert system for metric data processing that combines offline and real-time processing.
Minimum Qualification:

- Minimum Bachelor degree in Computer Science or related field
- Minimum 5 years of experience in Data Engineering
- Proficiency with big data frameworks such as Presto, Hive, Spark, Flink, Clickhouse, Hadoop, and have experience in large-scale data processing.
- Fluency in programming languages such as Python, SQL, Java, Scala, and have strong coding abilities.
- Experience with data warehouse implementation methodologies, and have supported actual business scenarios.
- Work/internship experience in internet companies, and those with big data processing experience are preferred.
- Willing to try new technologies and frameworks, and accept new ideas in the field of big data processing.
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.