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Senior Software Engineer, Experiment SDK

Amplitude

$154,000 - $256,000
Aug 13, 2025
San Francisco, CA, US
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Amplitude is looking for a senior SDK engineer to develop and maintain critical evaluation and feature delivery infrastructure and 9+ SDKs for the Experiment team.

Requirements

  • 5+ years of experience building stable, high-quality, flexible SDKs and libraries
  • Strong critical thinking and problem-solving mindset with attention to detail
  • Experience with multiple programming languages and platforms
  • Strong practitioner of automated testing
  • Knowledge of current and emerging trends in open source software, web and mobile development, and developer tooling
  • Feature flagging or AB testing knowledge and prior experience working on internal or external feature flagging and AB testing products (bonus points)

Responsibilities

  • Develop and maintain 9+ SDK using TypeScript, Kotlin, Swift, Python, Go, Ruby, PHP
  • Provide technical guidance and troubleshooting support to engineers integrating our SDKs into their applications
  • Produce and refine high-quality documentation, including guides, README files, and technical documentation hosted on our docs site
  • Extend CI/CD systems to automate building, testing, and deploying SDKs to npm and other package managers
  • Work cross functionally with Experiment product and engineering teams, to deliver end-to-end features
  • Mentor other engineers in best practices, training them to have an outsized impact on the codebase
  • Contribute to the technical direction of the team, product and systems

Other

  • Thrive in a technical leadership role on an engineering team, and are constantly seeking opportunities to encourage those around you to excel
  • Constant desire to learn, grow, and take on additional responsibilities as an engineer
  • Excellent Medical, Dental and Vision insurance coverages, with 100% employer-paid premiums for employee Medical, Dental, Vision on select plans
  • Flexible time off, paid holidays, and more
  • Generous stipends to spend on what matters most to you, whether that’s wellness (monthly), commuter transit/parking (monthly), learning and development (quarterly), home office equipment (annual), and much more