Backend Engineer - Speech and Audio






Position summary

TikTok will be prioritising applicants who have a current right to work in Singapore, and do not require TikTok's sponsorship of a visa.

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 At TikTok, our people are humble, intelligent, compassionate and creative. We create to inspire - for you, for us, and for more than 1 billion users on our platform. We lead with curiosity and aim for the highest, never shying away from taking calculated risks and embracing ambiguity as it comes. Here, the opportunities are limitless for those who dare to pursue bold ideas that exist just beyond the boundary of possibility. Join us and make impact happen with a career at TikTok.

About The Team Speech & Audio (SA) team provides industry-leading ML algorithm capabilities and complete voice product solutions for all business lines, including B2B as well. We empower businesses in the fields of speech/song synthesis, audio understanding, music intelligence, etc., and solve basic problems such as audio and video content understanding and creation, music information retrieval, and human-computer voice interaction.

The Backend Engineer team of music intelligence group is committed to promoting the cutting-edge backend system of music information retrieval (MIR) and music content understanding, following up the leading engineering work in the industry, improving the engineering influence and building technical barriers of SA team in related fields.


  • Design and build a cutting-edge music retrieval system architecture to support the development and performance optimisation of music retrieval systems with large-scale music databases;
  • Create a high-performance music system algorithm engine, which will be based on a high-performance deep learning inference framework;
  • Build an ultra-large-scale online service cluster to support ultra-high concurrent online music service traffic;
  • Support the landing of cutting-edge algorithms and apply them to actual business;
  • Deploy and maintain services with physical machine clusters;
  • Bachelor's degree or above, major in Computer Science or related;
  • At least 3 years or more working experiences;
  • Preferred to have rich experiences and strong skills in development of technologies in some of the following areas: music information retrieval, music content understanding, distributed storage and computing systems, vector database, etc;
  • Familiar with at least one programming language, including but not limited to: C++/Go/Python;
  • Strong analytical and problem-solving skills;
  • Strong computer science foundation and coding skills;
  • Possess strong collaboration spirit towards cross-country team members;
  • Preferred to have experiences in database or KV components (RocksDB, LevelDB, TIKV);

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.

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.