Senior Software Engineer - Analytical Database, Ads Data Infrastructure

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 The Team
Our Ads Data Instrasture team builds OLAP systems that power our advertisement monetization products' data needs. At TikTok's scale, our team is constantly developing solutions to push the boundaries of OLAP performance. Team members will focus on the development of ByteDance's core high-performance and highly-available analytical databases. They are based on open-source projects, but with many modifications and improvements that we have iterated on for several years. In this role you'll dive deep into distributed storage engines like Elasticsearch, ClickHouse, and Doris and optimize their performance under various workloads at the source code level. In this role you'll see a direct link between your work and how it enables Tiktok's advertisement monetization systems to run at blazing high speeds. If designing scalable distributed storage systems for massive QPS and low latency interests you, let's talk!

Responsibilities
- Develop core OLAP features based on open source and in-house technologies to empower TikTok's Ads Data Team products
- Continuously invest in cutting-edge OLAP technologies and scale our systems as business grows
- Work with the Ads Data Team to identify pain points proactively in their big data analysis scenarios, and design custom database optimizations at the source code level
- Become the data infra PoC for an area of Ads Data Team product and build great customer experiencesMinimum Qualifications
- Bachelor's degree or above in computer science, software engineering, or related fields
- Fluency in at least one programming language such as Java/C/C++
- Strong interest in working on performance optimizations for distributed storage systems
- Ability to understand business requirements and provide reasonable technical solutions
- Experience working with distributed systems like Elasticsearch/ClickHouse/Presto/Impala/GreenPlum/Vertica/Spark/Doris is preferred
- Experience with ads technologies and products is helpful but not required

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 https://shorturl.at/cdpT2