Marcus Jefferson

Marcus Jefferson is a Software Engineer II at Twitter, where he has been employed since June 2020. His work primarily focuses on enhancing Twitter's advertisement platform and user services. Notably, he designed a complex graph deletion framework for managing hierarchical advertisement relationships and rebuilt the Twitter Addressbook service, which handles millions of requests globally. He is recognized as a Data Retention expert within the company for advocating safe data retention policies across various projects.1

Professional Background

• Current Role: Software Engineer II at Twitter (June 2020 - Present)
• Previous Roles:
  • Software Engineer I at Twitter (February 2018 - June 2020)
  • Software Engineering Intern at Twitter (May 2017 - August 2017)
  • Software Engineering Intern at AT&T (May 2015 - August 2015)

Education

• Bachelor of Science in Computer Engineering from the University of Illinois at Urbana-Champaign (2014 - 2016)

Skills

Marcus possesses a diverse skill set, including:

• Programming languages: C++, Java, Python, JavaScript
• Web technologies: AngularJS, Node.js, Express.js, MongoDB
• Other skills: Linux, Technical Support, Android Development

Contact Information

• Email: marcusjefferson@twitter.com
• Phone: +16303332966

Marcus's contributions to Twitter reflect his commitment to improving user experiences and operational efficiencies within the platform.12