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CoreAI Software Engineer

Keystone AI

$101,000 - $180,000
Oct 2, 2025
Seattle, WA, US
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Keystone AI is looking to hire a Software Engineer to build scalable, robust solutions for clients by developing and maintaining scalable software applications to deliver machine learning models. They will lead the entire development process, work with econometricians, scientists, and engineering teams to scope solutions, deploy ML models into production environments, and set up monitors, alerts and diagnostic tools to support model operations.

Requirements

  • Possesses at least 4 years of experience in software engineering, and system architecture, with demonstrated expertise in developing and building infrastructure for model scaling and pipeline automation.
  • 3+ years of backend or full stack development
  • Is proficient in programming languages such as Python, R, or Java, and has experience with machine learning libraries (e.g., TensorFlow, PyTorch, scikit-learn)
  • Is familiar with cloud computing platforms and distributed computing frameworks
  • 2+ years of experience as a Software Engineer with a focus on production systems at scale
  • Proficiency in programming languages such as Python, R, or Java, C and experience with machine learning libraries (e.g., TensorFlow, PyTorch, scikit-learn, Jax)
  • Familiarity with cloud computing platforms and distributed computing frameworks

Responsibilities

  • Develop and maintain scalable full stack applications
  • Write clean, maintainable, and testable code across the entire stack (back end, front end, API, databases)
  • Collaborate with product managers and other developers to define, design, and ship new features
  • Participate in code reviews and contribute to continuous improvement of engineering best practices
  • Continuously improving CI/CD and testing frameworks and methodologies
  • Design and manage database integrations and schemas
  • Stay up to date on emerging tech and frameworks

Other

  • The successful candidate will be instrumental in developing and software applications to deliver machine learning models.
  • Is an excellent communicator and has strong teamwork skills to collaborate effectively with diverse stakeholders
  • Strong problem-solving skills with the ability to work both independently and collaboratively in a dynamic environment
  • US Salary Range: $101,000 - $180,000, plus an annual discretionary bonus, 401k contribution, and competitive benefits package.
  • At Keystone we believe diversity matters. At every level of our firm, we seek to advance and promote diversity, foster an inclusive culture, and ensure our colleagues have a deep sense of respect and belonging.