Software Engineer, Recommendation Infrastructure (Multiple Positions)

About TikTok TikTok is the leading destination for short-form mobile video. At TikTok, our mission is to inspire creativity and bring joy. TikTok's global headquarters are in Los Angeles and Singapore, and we also have offices in New York City, London, Dublin, Paris, Berlin, Dubai, Jakarta, Seoul, and Tokyo.

Why Join Us Inspiring creativity is at the core of TikTok's mission. Our innovative product is built to help people authentically express themselves, discover and connect – and our global, diverse teams make that possible. Together, we create value for our communities, inspire creativity and bring joy - a mission we work towards every day. We strive to do great things with great people. We lead with curiosity, humility, and a desire to make impact in a rapidly growing tech company. Every challenge is an opportunity to learn and innovate as one team. We're resilient and embrace challenges as they come. By constantly iterating and fostering an "Always Day 1" mindset, we achieve meaningful breakthroughs for ourselves, our company, and our users. When we create and grow together, the possibilities are limitless. Join us.

About the Team Our team plays a crucial role in ensuring the company’s success. We seek people who are willing to learn and put in the effort to solve problems. Our challenges are not your regular day-to-day problems - you’ll be part of a team that’s developing new solutions to new challenges. It’s working fast, at scale, and we’re making a difference. We are looking for talents to join us on this exciting journey!

Responsibilities Design and implement high-performance online services for the recommendation system, including system architecture, module ownership, and core service development. Participate in architecting and optimizing large-scale data pipelines for candidate generation, profile computation, training data creation, and real-time online learning. Design and develop distributed computing frameworks, storage components, and performance-critical backend infrastructure. Produce technical specifications, system diagrams, and engineering documentation to define requirements and guide engineering teams. Deploy large-scale services, conduct performance tuning, and drive system reliability improvements based on user and business feedback. Ensure compliance with engineering standards, project roadmaps, and cross-functional technical requirements.

Qualifications Must have a Master's degree or foreign equivalent degree in Computer Science, Engineering (any), Information Systems, Data Science, Mathematics, or a related field, and 1 year of related work experience; OR a Bachelor's degree or foreign equivalent degree in Computer Science, Engineering (any), Information Systems, Data Science, Mathematics, or a related field, and 3 years of related work experience.

Of the required experience, must have 1 year of experience in each of the following: Developing software using Java, Go, C++, JavaScript, Ruby, or Python; Designing and implementing scripts to automate common flows using HTML, JavaScript, Python, or Ruby; Maintaining and debugging software; Designing and implementing software service architecture to support high throughput and fault tolerant services; Designing and managing databases to support online services using MySQL or Redis; and Using Unix or Linux operating system.

Type: Full time, 40 hours/week Location: Bellevue, WA Salary Range: $149240 - $246240 per year

To Apply, click the apply button below. Contact [email protected] if you have difficulty submitting resume through the website.

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://tinyurl.com/RA-request

#LI-DNI #IND-DNI