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Junfeng Yang
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Teaching

Course and leave history, 2008–2026.

  • Fall 2026 E6998: Build an Agent Startup
  • Fall 2025 W4152: Engineering Software-as-a-Service
  • Fall 2025 E6113: Agent for Work
  • Fall 2024 Sabbatical leave
  • Spring 2024 Sabbatical leave
  • Fall 2023 W4152: Engineering Software-as-a-Service
  • Fall 2023 E6998: Engineering Blockchain and Web3 Apps
  • Fall 2022 W4152: Engineering Software-as-a-Service
  • Fall 2022 E6998: Engineering Blockchain and Web3 Apps
  • Fall 2021 W4995: Engineering Software-as-a-Service
  • Fall 2021 E6998: Security and Robustness of ML systems
  • Spring 2021 W4156: Advanced Software Engineering
  • Spring 2021 E6998-003: Security and Robustness of ML systems
  • Spring 2020 W4156: Advanced Software Engineering
  • Spring 2020 E6998-010: Security and Robustness of ML systems
  • Spring 2019 E6121: Reliable Software
  • Spring 2019 E6998-001: Security and Robustness of ML systems
  • Spring 2018 E6121: Reliable Software
  • Spring 2018 E6998-009: Security and Robustness of ML systems
  • Spring 2017 E6121: Reliable Software
  • Fall 2016 Teaching leave
  • Spring 2016 Sabbatical leave
  • Fall 2015 Sabbatical leave
  • Spring 2015 Teaching leave
  • Fall 2014 E6121: Reliable Software
  • Spring 2014 Teaching leave
  • Fall 2013 W4118: Operating Systems I
  • Spring 2013 Teaching leave
  • Fall 2012 E6121: Reliable Software
  • Spring 2012 W4118: Operating Systems I
  • Fall 2011 E6121: Reliable Software
  • Spring 2011 W4118: Operating Systems I
  • Fall 2010 E6998-1: Reliable Software
  • Spring 2010 W4118: Operating Systems I
  • Fall 2009 E6998-1: Reliable Software
  • Spring 2009 W4118: Operating Systems I
  • Fall 2008 E6998-2: How to Make Reliable Software

Junfeng Yang · Department of Computer Science · Columbia University

500 West 120 Street, 519 CSB, Mail Code 0401, New York, NY 10027 · Lab 487 CSB · Phone (212) 939-7012 · Fax (212) 666-0140 · junfeng@cs.columbia.edu

Updated September 2, 2026