Jul 2023 – Feb 2024 · 7 mos · On-site

Jun 2015 – Jul 2023 · 8 yrs 1 mo · San Francisco Bay Area

• Jan 2023 – Jul 2023, I was a cross-functional engineer in the Operate organization, where I work to improve operations across the fleet of Netflix services.
• From Mar 2020 – Dec 2022, I was a member of the Managed Delivery Team, building tools to improve deployment workflows.
• From Sep 2018 - Feb 2020, I was a member of the Critical Operations & Reliability Engineering (CORE) team, where I worked to improve Netflix's reliability.
• From Jun 2015 - Aug 2018, I was a member of the Resilience Engineering (Chaos) team, where I built tools that inject failures into production to ensure that the Netflix service remains available in the face of the hardware failures, network glitches, software bugs, and other problems that inevitably plague distributed systems.

Jan 2014 – Jun 2015 · 1 yr 5 mos · Providence, Rhode Island Area

• Worked on threads.io: Automated behavior-driven email.
• Developed new features for loader.io: Load-testing-as-a-service.
• Technologies: Ruby on Rails, C++, CoffeeScript, Postgres, Sidekiq, Redis, AWS EC2, Ansible, Chef

Jan 2012 – Jan 2014 · 2 yrs · Falls Church, VA

• Develop Django-based web applications for technical computing users and deploy them in cloud environments such as Amazon EC2 and OpenStack.
• Deploy and maintain OpenStack testbed for evaluation of use in engineering applications.
• Introduced use of Ansible configuration management tool for automating server configuration and web application deployment
• Introduced continuous integration through implementation of Selenium-based automated web test suite and Jenkins continuous integration server
• Introduced storyboarding for capturing requirements in early stages of software projects.

Jun 2008 – Jan 2012 · 3 yrs 7 mos · Arlington, VA

• Served as Principal Investigator, co-Principal Investigator, and technical staff on multiple research projects.
• Worked with research team to extend OpenStack to support heterogeneous cloud computing testbed, including large-scale shared-memory system, GPUs and non-x86 (Tilera) architectures.
• Developed web front-end in Python to support visualization of multiple finite element analysis simulation runs.
• Ran case study with engineering company to estimate benefits and return-on-investment of using cloud computing for computationally intensive engineering applications.
• Analyzed software repositories to quantify development overhead of maintaining build scripts in scientific applications.
• Championed introduction of Scrum development process in research group and served as Scrum Master.

Aug 2006 – Jun 2008 · 1 yr 10 mos

• Analyzed software repository of large-scale community high-performance computing code (FLASH at U. Chicago) to quantify effort expended in MPI-related development (for DARPA)
• Supervised controlled experiments with human subjects to measure the effect of using design by contract on ease of understanding, fault localization, and extending existing software
• Supervised controlled experiments with human subjects to evaluate the utility of using assertions in web macros
• Developed new courses: Experimentation in Software Engineering, Applied Human-Computer Interaction.
• Supervised two graduate students on research projects

Sep 2002 – Jul 2006 · 3 yrs 10 mos

• Designed and conducted experiments to study the effect of parallel programming model (MPI, OpenMP, UPC, Co-Array Fortran, Matlab*P) on programming effort and program performance
• Developed instrumentation for capturing software development process data to understand programmer behavior
• Developed and refined testable hypotheses that guided new research into high-performance development issues, through focus groups, surveys, and interviews
• Performed case studies of large-scale high-performance computing projects at the ASC-Alliance centers (Stanford, Caltech, UIUC, U. Chicago, U. Utah)
• Supervised Masters students on projects to develop data collection and analysis tools

Sep 2001 – Jun 2002 · 9 mos

• Developed algorithms to better decompose EMG signals into component motor unit action potential trains, to support biomedical engineering research
• Developed signal processing application in C++ to implement decomposition algorithms

May 1999 – Jul 2000 · 1 yr 2 mos

• Developed cross-platform virtual private network software in C++ using CORBA
• Ported legacy multithreaded C software from Linux to Windows

May 1998 – Aug 1998 · 3 mos · Montreal, Canada Area

• Developed internal GUI-based testing applications for OpenGL drivers