Intern C# jobs in Washington

7 open right now — Intern roles, mentioning C#, in Washington. Read straight from companies’ own boards, and every listing links to the original posting.

Of the 7 newest shown here, 0 state pay and 0 are remote, from 3 employers.

• A

  Software Development Engineer Intern - Mobile(iOS/Android) - Summer 2027 (USA)

  Amazon.com Services LLC · Seattle, WA

  Full-timeIntern

  posted 11 days ago
• A

  Software Development Engineer Intern (Embedded Systems) - Summer 2027 (USA)

  Amazon.com Services LLC · Seattle, WA

  Full-timeIntern

  posted 15 days ago
• A

  Software Development Engineer Intern, AWS Database - 2027 (US)

  Amazon.com Services LLC · Seattle, WA

  Full-timeIntern

  posted 17 days ago
• A

  Solutions Architect Intern Cohort, AGS-Tech

  Amazon Web Services, Inc. - A97 · Seattle, WA

  Full-timeIntern

  posted 22 days ago
• A

  Software Development Engineer Intern - Summer 2027 (USA) , Amazon Dedicated Cloud (ADC)

  Amazon.com Services LLC · Seattle, WA

  Full-timeIntern

  posted 23 days ago
• A

  Software Development Engineer Intern - Summer 2027 (USA)

  Amazon.com Services LLC · Seattle, WA

  On-siteFull-timeIntern

  posted 1 month ago
• A

  Customer Solutions Manager Intern, AWSI

  Amazon Web Services, Inc. · Seattle, WA

  Full-timeIntern

  posted 1 month ago