Big Data Engineer (Libra) - Data 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 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.
Job highlights
Positive team atmosphere, Career growth opportunity, Meals provided
Responsibilities
About the team
Libra is a large-scale online one-stop A/B testing platform developed by TikTok Data Platform. Some of its features include:
- Provides 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.
- Provides services throughout the entire experimental lifecycle from experimental design, experimental creation, indicator calculation, statistical analysis to final evaluation launch.
- Supports the entire company's business on the road of rapid iterative trial and error, boldly assuming and carefully verifying.
- Responsible for data system of experimentation platform operation and maintenance.
- 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.
Qualifications
Minimum Qualifications- Bachelor's degree in Computer Science, a related technical field involving software or systems engineering, or equivalent practical experience.
- Proficiency with big data frameworks such as Presto, Hive, Spark, Flink, Clickhouse, Hadoop, and have experience in large-scale data processing.
- Minimum 1 year of experience in Data Engineering.
- Experience writing code in Java, Scala, SQL, Python or a similar language.
- Experience with data warehouse implementation methodologies, and have supported actual business scenarios.
- Knowledge about a variety of strategies for ingesting, modeling, processing, and persisting data, ETL design, job scheduling and dimensional modeling.
- Expertise in designing, analyzing, and troubleshooting large-scale distributed systems is a plus (Hadoop, M/R, Hive, Spark, Presto, Flume, Kafka, ClickHouse, Flink or comparable solutions).
- Work/internship experience in internet companies, and those with big data processing experience are preferred.