Backend Engineer/TikTok Ecommerce Recommendation Infrastructure

Job Description & How to Apply Below
Position:  Backend Engineer (TikTok Ecommerce Recommendation Infrastructure) - 2025 Start
Location: Emory
Tik Tok is the leading destination for short-form mobile video. At Tik Tok, our mission is to inspire creativity and bring joy. Tik Tok's global headquarters are in Los Angeles and Singapore, and its offices include New York, London, Dublin, Paris, Berlin, Dubai, Jakarta, Seoul, and Tokyo. Why Join UsCreation is the core of Tik Tok's purpose. Our platform is built to help imaginations thrive.

This is doubly true of the teams that make Tik Tok 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 Tik Tok, we create together and grow together.

That's how we drive impact - for ourselves, our company, and the communities we serve. Join us. About the TeamE-commerce is a new and fast growing business that aims at connecting all customers to excellent sellers and quality products on Tik Tok Shop, through E-commerce live-streaming, E-commerce short videos, and commodity recommendation. Our E-ecommerce Recommendation Infra team is responsible for building up and optimizing the infrastructure for such recommendation systems, so as to provide the best experience for our users.

We work closely with applied machine learning engineers and build scalable systems to support all kinds of innovative algorithms and techniques. We are looking for talented individuals to join us in 2025. As a graduate, you will get unparalleled opportunities for you to kickstart your career, pursue bold ideas and explore limitless growth opportunities. Co-create a future driven by your inspiration with Tik Tok.

Candidates can apply to a maximum of two positions and will be considered for jobs in the order you apply. The application limit is applicable to Tik Tok and its affiliates' jobs globally. Applications will be reviewed on a rolling basis - we encourage you to apply early.

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Responsibilities
- Build and maintain high performance online services for Tik Tok recommendation system;- Build extremely efficient and reliable data pipelines for candidates generation, profile generation, training examples generation, realtime online training, etc;

- Build globalized large-scale recommendation system;

- Design and develop high performance computing frameworks and storage systems.

- Research, design, and develop computer and network software or specialised utility programs.

- Analyse user needs and develop software solutions, applying principles and techniques of computer science, engineering, and mathematical analysis.

- Update software, enhances existing software capabilities, and develops and direct software testing and validation procedures.

- Work with computer hardware engineers to integrate hardware and software systems and develop specifications and performance requirements.

Minimum Qualifications:

- Final year or recent graduate with a background in Software Development, Computer Science, Computer Engineering, Electrical Engineering or a related technical discipline.

- Experience programming in at least one of the following programming languages: C, C++, Java or Golang;

Effective communication skills and a sense of ownership and drive;

- Experienced in at least one area of the following areas: personalized recommendations, search engine, machine learning, distributed storage system, big data frameworks is a plus.

Preferred Qualifications:

- Agile, quick self learner, highly self-motivated with strong sense of product ownership and creative problem solver.

- Good collaborator and team player, comfortable working in a fast moving, culturally diverse and globally distributed team environment.

- Experience in e-commerce related areas

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