Senior Software Engineer, Algorithm Engine




San Jose, CA


Position summary

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.

Team: The Algorithm Engine team focuses on building a powerful engine that inspires user creativity with cutting-edge technologies. Our engine is the core engineering framework for intelligent algorithm integration, verification and deployment on various platforms, empowering visual effects, video editing capabilities, camera filters and other creative features in TikTok and other products.


  • Design and implement the core algorithm engine.
  • Put cutting-edge algorithms in TikTok and other products in to production
  • Optimize algorithm run-time performance across various hardware platforms.
  • Build automation frameworks to ensure high algorithm quality and efficiency.
  • Build tools that deliver smooth algorithm exploration experience to developers and designers.
  • https://B.Sc/M.Sc/PhD in Computer Science or in a related field
  • 3+ years of industrial C/C++ experience, solid CS fundamentals (algorithms, data structures, OOD/DOD, TDD) and problem-solving skills
  • Solid algorithm system design and implementation experience, including but not limited to inference engines, machine learning compilers, deployment pipelines, CV/CG/NLP/AIGC SDKs.
  • Deep hands-on experience in one of the following areas: computer vision / image processing / computer graphics / heterogeneous computing / deep learning systems
  • Proficiency with common debugging & profiling tools
  • Strong communication and interpersonal skills in a cross-culture work environment

Preferred Qualifications Experience in one of the following areas is a plus:

  • Strong performance optimization experience with heterogeneous computation resources (CPU/GPU/DSP/NPU).
  • Basic graphics related development experience: rendering, graphics API, game engine, scripting system, game editors
  • Cross-platform C++ development experience with iOS/Android/PC/Web applications

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://rd.accommodations@ 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.​At ByteDance/TikTok our benefits are designed to convey company culture and values, to create an efficient and inspiring work environment, and to support ByteDancers to give their best in both work and life. We offer the following benefits to eligible employees: ​We cover 100% premium coverage for employee medical insurance, approximately 75% premium coverage for dependents and offer a Health Savings Account(HSA) with a company match. As well as Dental, Vision, Short/Long term Disability, Basic Life, Voluntary Life and AD&D insurance plans. In addition to Flexible Spending Account(FSA) Options like Health Care, Limited Purpose and Dependent Care. ​Our time off and leave plans are: 10 paid holidays per year plus 17 days of Paid Personal Time Off(PPTO) (prorated upon hire and increased by tenure) and 10 paid sick days per year as well as 12 weeks of paid Parental leave and 8 weeks of paid Supplemental Disability. ​We also provide generous benefits like mental and emotional health benefits through our EAP and Lyra. A 401K company match, gym and cellphone service reimbursements. The Company reserves the right to modify or change these benefits programs at any time, with or without notice.​

Why you should apply for a job to TikTok:

  • 4.5/5 in overall job satisfaction

  • 4.5/5 in supportive management

  • 100% say women are treated fairly and equally to men

  • 100% would recommend this company to other women

  • 100% say the CEO supports gender diversity

  • Ratings are based on anonymous reviews by Fairygodboss members.
  • Employee well-being is supported via hybrid work, short-term counseling through our EAP and a premium subscription to Headspace.

  • We embrace diversity across all dimensions and provide employees with 9 employee resource groups globally, including our WOMEN ERG.

  • Comprehensive parental leave policy as well as fertility treatment through healthcare providers with a $20,000 lifetime maximum.