Skip to main content
Posted 15 June, 2026
Google

Staff Software Engineer, API Proxy

Google
Sunnyvale;Kirkland CA;WA USA;USA Full Time
In accordance with Washington state law, we are highlighting our comprehensive benefits package, which is available to all eligible US based employees. Benefits for this role include:
  • Health, dental, vision, life, disability insurance
  • Retirement Benefits: 401(k) with company match
  • Paid Time Off: 20 days of vacation per year, accruing at a rate of 6.15 hours per pay period for the first five years of employment
  • Sick Time: 40 hours/year (increased to 69 hours/year for Seattle) including 5 discretionary sick days per instance
  • Maternity Leave (Short-Term Disability + Baby Bonding): 28-30 weeks
  • Baby Bonding Leave: 18 weeks
  • Holidays: 13 paid days per year

Note: By applying to this position you will have an opportunity to share your preferred working location from the following: Sunnyvale, CA, USA; Kirkland, WA, USA.

Minimum qualifications:

  • Bachelor's degree or equivalent practical experience.
  • 8 years of experience programming in C++.
  • 5 years of experience testing, and launching software products.
  • 5 years of experience building and developing large-scale infrastructure, distributed systems or networks, or experience with compute technologies, storage, or hardware architecture.
  • 3 years of experience with software design and architecture.

Preferred qualifications:

  • Master’s degree or PhD in Engineering, Computer Science, or a related technical field.
  • 8 years of experience with data structures and algorithms.
  • 3 years of experience in a technical leadership role leading project teams and setting technical direction.
  • 3 years of experience working in a complex, matrixed organization involving cross-functional, or cross-business projects.

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.

As a Software Engineer, you will work full-time on API Proxy projects. You will improve platform capabilities for the Agent Cloud Ecosystem and platform support for policy enforcement for Google Cloud Platform (GCP) services. As part of this position, you will work alongside Über Tech Leads (UTLs) and various partner teams to improve platform capabilities for the Agent Cloud Ecosystem and platform support for policy enforcement for GCP services. You will be improving platform support for service extensions like ExtProc. You will be strengthening Model Armor support for One Model Context Protocol (OneMCP) and Agent Cloud. You will be modernizing the Cloud Policy Enforcement using the ESF PDP framework. You will be facilitating the convergence of Cloud ESF and ESF.

Google Cloud accelerates every organization’s ability to digitally transform its business and industry. We deliver enterprise-grade solutions that leverage Google’s technology, and tools that help developers build more sustainably. Customers in more than 200 countries and territories turn to Google Cloud as their trusted partner to enable growth and solve their most critical business problems.Individual pay is determined by factors including job-related skills, experience, and relevant education or training.

US: $207000 - $301000 (USD) + 20% bonus target + equity + benefits

Learn more about benefits at Google.

Responsibilities

  • Design and maintain the API Proxy front-end for Google's One Platform, ensuring highly performant translation between Stubby, gRPC, and HTTP protocols at massive scale.
  • Develop robust control plane capabilities using C++ and distributed systems, integrating critical features like authentication, authorization, rate limiting, logging, and monitoring.
  • Implement resilient architectures handling hundreds of millions of Queries Per Second (QPS), incorporating load shedding and error sanitization to protect Google and Cloud APIs.
  • Modernize Cloud Policy Enforcement via the
    Enterprise Security Framework (ESF) PDP framework, and strengthen Model Armor support for OneMCP and the Agent Cloud Ecosystem.
  • Leverage Envoy Proxy expertise to improve platform support for service extensions like ExtProc and partner with engineering teams to converge Cloud ESF and ESF.
Google is proud to be an equal opportunity workplace and is an affirmative action employer. We are committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity or Veteran status. We also consider qualified applicants regardless of criminal histories, consistent with legal requirements. See also Google's EEO Policy and EEO is the Law. If you have a disability or special need that requires accommodation, please let us know by completing our Accommodations for Applicants form.