Software Engineer, Ads

About USDS

TikTok USDS Joint Venture LLC is dedicated to the safety and security of millions of Americans who create, discover, and connect with what they love on the apps we operate. The Joint Venture has been established in compliance with the Executive Order signed by President Trump on September 25, 2025. Our foundation is a comprehensive data privacy and cybersecurity program we operate under defined safeguards to protect national security and secure U.S. user data, apps, and the algorithm. We safeguard the U.S. content ecosystem, holding decision-making authority for trust and safety policies and moderation.

USDS Joint Venture helps ensure Americans can continue to express their creativity, discover new hobbies and interests, and build thriving communities and businesses on a global scale. The company operates with an on-site presence across teams to enable greater speed, alignment, and agility—especially in areas like real-time decision-making, team development, and integrated execution. As such, the company is shifting from a hybrid work model to a fully in-person schedule up to 5 days a week.

Responsibilities

• Ad-Serving System Architecture: Design and implement highly available ad-serving systems capable of handling large-scale traffic with low latency.
• Delivery & Monetization Strategy: Develop and optimize delivery strategies for various ad placements to maximize monetization efficiency.
• Core Ads Algorithms & Pipeline: Improve core algorithms and systems across ad recall, ranking, bidding, and traffic allocation.
• Data & Analytics Infrastructure: Leverage large-scale advertising data to enhance user- and ad-level monitoring systems, and build analytical and optimization tools for campaign performance.
• Cross-Functional Leadership: Communicate cross-functionally across various teams, organizations, and internal/external stakeholders to drive engineering efforts. Lead innovation efforts and bring in new ideas and technologies.

Requirements

• Bachelor's degree in Computer Science or related technical disciplines.
• 3+ years of working experience and extensive knowledge of modern software tech stack, including large-scale backend systems and data pipelines.
• Strong Computer Science fundamentals (algorithms, data structures, software design), coding skills, and problem-solving skills.

Preferred Qualifications

• Strong programming expertise, including debugging and performance optimization in general-purpose languages.
• Experience building or maintaining large-scale advertising infrastructure or similar high-throughput, low-latency systems.
• Excellent teamwork and communication skills, with a strong sense of ownership and the ability to move projects forward independently.
• Strong business and data intuition, passion for tackling complex problems, and proven ability in abstraction, project execution, and innovation.

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. We strive to do great things with great people, leading with curiosity, humility, and a desire to make an impact in a rapidly growing tech company. Every challenge is an opportunity to learn and innovate as one team. We embrace challenges with resilience and foster an "Always Day 1" mindset to achieve meaningful breakthroughs for ourselves, our company, and our users.

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. We celebrate diverse voices and aim to create an environment that reflects the many communities we reach. We are passionate about this mission and hope you are too.

Pay

The base salary range for this position in the selected city is $129,960 - $341,734 annually. Compensation may vary outside of this range depending on a number of factors, including a candidate’s qualifications, skills, competencies, experience, and location. Base pay is one part of the Total Package that may include additional discretionary bonuses/incentives and restricted stock units.

Benefits

• Day one access to medical, dental, and vision insurance.
• 401(k) savings plan with company match.
• Paid parental leave.
• Short-term and long-term disability coverage.
• Life insurance.
• Wellbeing benefits.
• 10 paid holidays per year.
• 10 paid sick days per year.
• 17 days of Paid Personal Time (prorated upon hire with increasing accruals by tenure).

The Company reserves the right to modify or change these benefits programs at any time, with or without notice.

Schedule

Fully in-person schedule up to 5 days a week.

Reasonable Accommodation

USDS 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/USDS-RA.