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Senior Software Engineer, Infrastructure

United States, Cambridge, Massachusetts 150000.00 - 225000.00 USD / Year · Job Posted December 09, 2025
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Job Description

Kensho is S&P Global’s hub for AI innovation and transformation. With expertise in machine learning, natural language processing, and data discovery, we develop and deploy novel solutions to innovate and drive progress at S&P Global and its customers worldwide. Kensho's solutions and research focus on business and financial generative AI applications, agents, data retrieval APIs, data extraction, and much more. As an Infrastructure Engineer at Kensho, you will be responsible for building systems and frameworks that will be used by teams across the organization. You will be working on a team with experienced engineers and have an opportunity to learn and grow. As an engineer on the Infrastructure team you have the opportunity to work on the core platform that hosts all our assets, as well as to build monitoring & alerting that identify the health of such services.

Job Responsibility

  • Design core, backend software components that powers the Kensho language models and other products
  • Build tools to empower the engineering teams
  • Code using primarily python, jsonnet, and other languages
  • Collaborate with other teams to gather requirements and support their workflows
  • Conduct architecture, design, and code reviews
  • Analyze and improve efficiency, scalability, and stability of various system resources

Requirements

  • 5-year of relevant work experience in software development
  • Professional coding experience and fluency in any 2 of Python, C++, Rust, or Go
  • Experience architecting and developing large scale distributed systems
  • Experience designing and deploying solutions to major cloud providers such as AWS, GCP, and Azure, with solid understanding of CI/CD practices
  • Experience in concurrency, multithreading and synchronization
  • Familiarity with the Unix/Linux environments

Nice to have

  • Your github account showing practical, entrepreneurial initiative
  • You have experience building distributed systems or have collaborated on a team developing internal tools
  • You have experience building systems processing large amounts of data
  • You have experience productionizing large machine learning models (LLMs)
  • You have experience in MLOps

What we offer

  • Medical, Dental, and Vision insurance
  • 100% company paid premiums
  • Unlimited Paid Time Off
  • 26 weeks of 100% paid Parental Leave (paternity and maternity)
  • 401(k) plan with 6% employer matching
  • Generous company matching on donations to non-profit charities
  • Up to $20,000 tuition assistance toward degree programs, plus up to $4,000/year for ongoing professional education such as industry conferences
  • Plentiful snacks, drinks, and regularly catered lunches
  • Dog-friendly office (CAM office)
  • Bike sharing program memberships
  • Compassion leave and elder care leave
  • Mentoring and additional learning opportunities
  • Opportunity to expand professional network and participate in conferences and events

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