Senior Software Engineering

The Ads Measurement & Effectiveness team at TikTok empowers marketers and brands to understand and optimize the true business value of their ad investments across TikTok's paid channels. Our mission is to provide advertisers with clear, actionable insights through cutting-edge measurement solutions like Brand Lift (BLS), Conversion Lift (CLS), Split Test, Cross-Media Measurement, as well as measurement solutions with 3rd party partners. We build client facing products and scalable infrastructure that support large-scale experimentation, causal inference, and data-driven decision-making. Our work is foundational to TikTok's advertising ecosystem, driving both strategic insights and revenue growth. As a Senior Software Engineer on the Ads Measurement team, you'll work on end-to-end product development and contribute to high-performance systems that measure and maximize ad effectiveness. You'll collaborate with product managers, data scientists, and platform engineers to solve complex technical challenges that directly impact TikTok's advertisers and end users. What You'll Own - Design and develop highly scalable backend systems to measure Ads effectiveness. - Own and expand core products like Split Test, CLS, and BLS, enabling advertisers to rigorously test and evaluate campaign performance. - Build and optimize large-scale data pipelines and real-time experimentation frameworks to power critical advertiser insights. - Collaborate cross-functionally with product, infrastructure, and data science teams to translate ideas into measurable impact. - Integrate with third-party measurement partners to enable comprehensive attribution and validation. - Help evolve the underlying tech infrastructure to support privacy compliance, high QPS environments, and multi-region deployment. - Mentor junior engineers to grow and help build a strong engineering team. Be part of a team with strong product ownership-you'll not only build the infrastructure, but also see its impact on advertisers worldwide. - Tackle high-impact challenges like uplift optimization, bias correction, cross-platform attribution, and real-time performance optimization. - Join a fast-growing, business-critical team with abundant career growth opportunities, both technically and organizationally.
Minimum Qualifications - Software development experience in backend or data-intensive systems. - Python, Go, Java, C/C++. - Strong understanding of system design, algorithms, and data structures. - Familiar with large-scale backend architecture or data infrastructure. - Understanding of advertiser needs and the business value of digital marketing.
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.

Employees have day one access to medical, dental, and vision insurance, a 401(k) savings plan with company match, paid parental leave, short-term and long-term disability coverage, life insurance, wellbeing benefits, among others. Employees also receive 10 paid holidays per year, 10 paid sick days per year and 17 days of Paid Personal Time (prorated upon hire with increasing accruals by tenure).

Qualified applicants with arrest or conviction records will be considered for employment in accordance with all federal, state, and local laws including the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act. Appropriately handling and managing confidential information including proprietary and trade secret information and access to information technology systems; 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.

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 lead with curiosity, humility, and a desire to make impact in a rapidly growing tech company. Diversity & Inclusion

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. TikTok Accommodation
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