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TikTok · 1 hour ago

Software Engineer, Recommendation Data Ecosystem

Seattle, WA

Full-time

Onsite

Mid Level

$178K/yr - $342K/yr

4+ years exp

TikTok is the leading destination for short-form mobile video, and they are seeking a Software Engineer for their Recommendation Data Ecosystem Team. The role involves designing and implementing data architectures and storage solutions to ensure system reliability and performance for TikTok's recommendation system serving over a billion users.

Content CreatorsContent DiscoveryMedia and EntertainmentSocial MediaVideo

H1B Sponsor Likely

Responsibilities

Design and implement an offline/real-time data architecture for large-scale recommendation systems

Design and implement a flexible, scalable, stable, and high-performance storage system and computation model

Troubleshoot production systems, and design and implement necessary mechanisms and tools to ensure the overall stability of production systems

Build industry-leading distributed systems such as offline and online storage, batch, and stream processing frameworks, providing reliable infrastructure for massive data and large-scale business systems

Qualification

Big Data ProcessingData Lake TechnologiesProgramming LanguagesData Warehousing ModelingTroubleshooting SkillsLearning EnthusiasmProblem Solving

Required

Bachelor's Degree or above, majoring in Computer Science, or related fields, with 4+ years of experience building scalable systems

Proficiency in common big data processing systems like Spark/Flink at the source code level

A deep understanding of the source code of at least one data lake technology, such as Hudi, Iceberg, or DeltaLake

Knowledge of HDFS principles

Prior experience in data warehousing modeling

Proficiency in programming languages such as Java, C++, and Scala

Strong coding skills and the ability to troubleshoot effectively

Preferred

Experience in customizing or extending big data processing systems like Spark/Flink

Practical implementation or customization experience with data lake technologies such as Hudi, Iceberg, or DeltaLake

Familiarity with columnar storage formats like Parquet/ORC

Experience with other big data systems/frameworks like Hive, HBase, or Kudu

A willingness to tackle challenging problems without clear solutions

Strong enthusiasm for learning new technologies

Prior experience in managing large-scale data (in the petabyte range)

Benefits

Medical, dental, and vision insurance

401(k) savings plan with company match

Paid parental leave

Short-term and long-term disability coverage

Life insurance

Wellbeing benefits

10 paid holidays per year

10 paid sick days per year

17 days of Paid Personal Time (prorated upon hire with increasing accruals by tenure)

Company

TikTok

Glassdoor3.4

TikTok is a short-form video entertainment app and social network platform. It is a sub-organization of ByteDance.

Founded in 2003

Los Angeles, California, USA

10001+ employees

https://www.tiktok.com

H1B Sponsorship

TikTok has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)

Distribution of Different Job Fields Receiving Sponsorship

Represents job field similar to this job

Trends of Total Sponsorships

2025 (979)

2024 (601)

2023 (387)

2022 (322)

2021 (133)

2020 (72)