Senior Software Engineer, Ads Pangle - USDS

Responsibilities

• Design and implement highly available ad-serving systems capable of handling large-scale traffic with low latency.
• Develop and optimize delivery strategies for various ad placements to maximize monetization efficiency.
• Improve core algorithms and systems across ad recall, ranking, bidding, and traffic allocation.
• Leverage large-scale advertising data to enhance user- and ad-level monitoring systems, and build analytical and optimization tools for campaign performance.
• Communicate cross-functionally across various teams, organizations and internal and external stakeholders to drive engineering efforts. Lead innovation efforts, and bring in new ideas and technologies.

• Minimum Qualification(s):
• 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 Qualification(s):
• Strong programming expertise in C++ or Go, 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.

Tik Tok 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.

On-site presence across teams allows the company to operate with 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.

Inspiring creativity is at the core of Tik Tok 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.

Tik Tok 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 Tik Tok, 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.

USDS is committed to providing reasonable accommodations in our recruitment…