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October 31, 2025

Software Engineer, Ad Safety

Mid • On-site

$118,000 - $170,000/yr

Mountain View, CA

Minimum qualifications:

  • Bachelor’s degree or equivalent practical experience.
  • 1 year of experience with software development in one or more programming languages (e.g., Python, C, C++, Java, JavaScript).
  • 1 year of experience building software for data privacy or security (e.g., identity and access management).

Preferred qualifications:

  • Master's degree or PhD in Computer Science or related technical field.
  • 1 year of experience with data structures or algorithms.
  • Experience in backend coding languages such as GOLang, Rust, or Java.
  • Experience in ML model coding languages (e.g., Python).
  • Experience developing accessible technologies.
  • Experience working with software security.

About the job

Google's software engineers develop the next-generation technologies that change how billions of users connect, explore, and interact with information and one another. Our products need to handle information at massive scale, and extend well beyond web search. We're looking for engineers who bring fresh ideas from all areas, including information retrieval, distributed computing, large-scale system design, networking and data storage, security, artificial intelligence, natural language processing, UI design and mobile; the list goes on and is growing every day. As a software engineer, you will work on a specific project critical to Google’s needs with opportunities to switch teams and projects as you and our fast-paced business grow and evolve. We need our engineers to be versatile, display leadership qualities and be enthusiastic to take on new problems across the full-stack as we continue to push technology forward.

In this role, you will be instrumental in building resilient, industry-leading defenses against the scale and sophistication of automated and distributed spam attacks targeting Google's ads ecosystem. This is a unique opportunity to engage in a challenging and constantly evolving adversarial environment with significant impact and the satisfaction of contributing to a more trustworthy digital world.

The Core team builds the technical foundation behind Google’s flagship products. We are owners and advocates for the underlying design elements, developer platforms, product components, and infrastructure at Google. These are the essential building blocks for excellent, safe, and coherent experiences for our users and drive the pace of innovation for every developer. We look across Google’s products to build central solutions, break down technical barriers and strengthen existing systems. As the Core team, we have a mandate and a unique opportunity to impact important technical decisions across the company.

The US base salary range for this full-time position is $118,000-$170,000 + bonus + equity + benefits. Our salary ranges are determined by role, level, and location. Within the range, individual pay is determined by work location and additional factors, including job-related skills, experience, and relevant education or training. Your recruiter can share more about the specific salary range for your preferred location during the hiring process. Please note that the compensation details listed in US role postings reflect the base salary only, and do not include bonus, equity, or benefits. Learn more about benefits at Google.

Responsibilities

  • Stay up-to-date on industry trend and emerging threats and build new initiative and road map to defend Google's ads ecosystem.
  • Work cross-functionally with Google research teams to influence and apply state-of-the-art ML technologies in fraud detection.
  • Build statistical and ML models to automate spam detection and filtering.
  • Instrument Google ads products to collect traffic signals for building robust and privacy-friendly anomaly detection.
  • Establish ground-truth and dissect botnet workflow through traffic analysis and reverse engineering.