Backend Tech Lead - TikTok Live (Traffic ecology system)






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.

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.

We are looking for passionate and talented engineers to join us to build up and optimize a real-time, high-performance, large-scale distributed infrastructure for live streaming at TikTok. We will be deeply involved in the developmental lifecycle of critical product features, and collaborate closely with product managers to deliver the best live streaming experience for live streamers and viewers.

About TikTok Live - Fundamental Business Team TikTok Live - Traffic & ecology system engineering team is the critical team which takes the responsibility of building the backbone system for delivering creators' live broadcasting to hundreds of millions of users, collaborating with recommendation algorithms & safety algorithms to guarantee our content's best quality, and thus delivering joy and happiness to our globally wide users and creators. In here you will participate in providing technical solutions for live broadcast business scenes, optimize various business indicators and create good user experience and great content ecology system for the greater good. Every line of your code affects hundreds of millions of users. Every feature you build will be used by hundreds of millions of people.

You will:

  • Play a critical role in planning and leading large-scale technical projects to lay the foundation for the iterative development and scale of early products.
  • Participate in developing robust, efficient technology products that serve 1 billion users.
  • Participate in developing the most efficient content recommendation system, know how it works.
  • Optimizing architecture of system to ensure high stability and performance.
  • Be a key member in combining strategy power and engineering power together to achieve a better content eco-system.
  • Be involved in researching and applying cutting-edge domain and technical knowledge into products which could benefit worldwide TikTok users.
  • BS/MS Degree in Computer Science or related major.
  • 3+ years of experience in high scalable, highly available, distributed and mission-critical systems.
  • Large scale client-facing industry project development experience.
  • Proficient in at least one of the following languages: Go, Python, Java, C++.
  • 3+ years industry level understanding in common recommendation and risk control strategy
  • Solid basic knowledge of computers, including networks, algorithms, data structures etc.
  • Able to work closely with diverse stakeholders and have good communication skills
  • Self-driven, positive, cooperative and willing to keep learning enthusiasm at all times

Ideal Candidate

  • Agile, quick self learner, highly self-motivated with a strong sense of product ownership and creative problem solver.
  • Ability to lead independent research to solve complex technical problems.
  • Empathetic and results oriented leader and mentor.
  • Good collaborator and team player, comfortable working in a fast moving, culturally diverse and globally distributed team environment.
  • Good collaborator and team player, comfortable working in a fast moving, culturally diverse and globally distributed team environment.
  • Familiar with live streaming business, having experience in content recommendation or governance system.

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.