Senior Software Engineer, Infrastructure - TikTok Search Engine

Responsibilities

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.

About the Team
Our Search Team is responsible for building and owning TikTok's search engine, which provides our users the best search experience.

On the TikTok Search Team, you’ll have the opportunity to build a full-stack search engine system and combine information retrieval technology with modern machine learning methods from related fields such as NLP, CV, and recommender system. We embrace a culture of self-direction, intellectual curiosity, openness, and problem-solving.

Key Responsibilities

1. Optimize the searching quality to provide TikTok's users the best search experience.
2. Combine your understanding of product objectives and take full advantage of modern machine learning and information retrieval techniques to improve search quality and perception.
3. Build the core systems and algorithms development including query understanding, result ranking, query recommendation, system reliability, etc.
4. Potentially mentor and lead peers depending on experience.

1. BS degree in Computer Science, Computer Engineering, or other relevant majors.
2. At least 4+ years of experience in developing and implementing large-scale consumer-facing services/products and/or building backend services for large-scale consumer-facing applications.
3. Proficiency in the following languages but not limited to: C/C++, Python, Java or Golang.
4. Effective team communication and collaboration skills.

1. Working knowledge in one of the following or similar domains: search, recommendation, ranking, ads, etc.
2. Working knowledge in one of the following areas: machine learning, deep learning, backend, large-scale systems, data science, full-stack.
3. Experience with Big Data Frameworks, such as Hadoop, Spark, Flink, etc.

The base salary range for this position in the selected city is $194000 - $355000 annually. Compensation may vary outside of this range depending on a number of factors, including a candidate’s qualifications, skills, competencies and experience, and location. Base pay is one part of the Total Package that is provided to compensate and recognize employees for their work, and this role may be eligible for additional discretionary bonuses/incentives, and restricted stock units.

Our company benefits are designed to convey company culture and values, to create an efficient and inspiring work environment, and to support our employees to give their best in both work and life. We offer the following benefits to eligible employees:

• 100% premium coverage for employee medical insurance, approximately 75% premium coverage for dependents and offer a Health Savings Account (HSA) with a company match.
• Dental, Vision, Short/Long term Disability, Basic Life, Voluntary Life and AD&D insurance plans.
• 10 paid holidays per year plus 17 days of Paid Personal Time Off (PPTO) and 10 paid sick days per year.
• 12 weeks of paid Parental leave and 8 weeks of paid Supplemental Disability.
• Mental and emotional health benefits through our EAP and Lyra.
• A 401K company match, gym and cellphone service reimbursements.