Software Engineer III, Core Data (multiple openings)

Google

Madison, WI, USA Posted November 11, 2026

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On-site Full-time Mid level
Salary Range

$147,000 - $211,000 a year

Job Description

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 $147,000- $211,000 + 15% bonus target + equity + benefits determined by role, level, and location. Individual pay is determined by additional factors, including job-related skills, experience, and relevant education or training. Learn more about
benefits at Google
.

Minimum qualifications
Bachelor’s degree in Computer Science, Engineering, Mathematics, Information Systems, or a related field and 2 years of experience in the job offered or in a Software Engineer-related occupation.
Position requires 2 years of experience in the following: Software development with C, C++, Java, Python, C#, Ruby, Rust, or Go; Data structures, algorithms, unit testing, source management, software requirements collection, software module design, and operating & debugging production cloud infrastructure; and In one of the following: Machine learning infrastructure, Data analysis using SQL, Information retrieval and ranking, Web UI design & implementation with javascript or typescript, API design for cloud infrastructure, or optimizing low-level CPU & memory operations at the machine instruction / cache-line level.

Responsibilities
Write software product or system code.
Design software modules and participate in design reviews with peers and stakeholders to decide amongst available technologies.
Review code developed by other developers and provide feedback to ensure best practices (e.g., style guidelines, checking code in, accuracy, testability, and efficiency).
Participate in software testing, e.g. develop unit tests and release tests.
Contribute to existing documentation or educational content and adapt content based on product/program updates and user feedback; and Triage product or system issues and debug/track/resolve by analyzing the sources of issues and the impact on hardware, network, or service operations and quality.

Required Skills
software development C++ Java Python C# Ruby Rust testing machine learning data analysis SQL UI JavaScript TypeScript unit tests
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