John Sivak

WHAT I DO

WORK EXPERIENCE

Senior IoT Engineer • MarkforgedApril 2021 - August 2024

• Led a small team to overhaul the user interface for the next generation of Markforged printers, improving usability, throughput, and customer outcomes.
• Developed a suite of tests to assess printer health and collected the data in a human-readable online format, allowing Markforged to better insight into the state of their internal fleet, as well as the state of customer machines.
• Helped identify areas where engineering could have the greatest impact on the organization, and coordinated with the engineering team to tackle the highest impact problems first.
• Mentored and managed the work of several junior engineers.

Senior Robotics Engineer • Canvas ConstructionJan 2019 - May 2020

• Created the user interface for Canvas’ construction robot, working on a variety of desktop and mobile devices by both technical and non-technical operators.
• Built a simulation environment from the ground-up in Unity to streamline functional andregression tests, improve engineer productivity by removing reliance on hardware, and refine job cost estimates.

Senior Interviewer • KaratApr 2018 - Aug 2018

• Conducted interviews with engineering candidates to assess technical abilities using a variety of standardized tests and coding challenges.

Senior Software Engineer • Impossible FoodsJan 2015 - Feb 2018

• Streamlined scientist workflow by automating data organization, analysis, processing, gathering, and warehousing, saving hundreds of hours.
• Built and programmed equipment that enabled measurement of new attributes and features of the product, removing the need for expensive specialized hardware.
• Maintained 8 independent infrastructureless Google App Engine apps.

Robotics Engineer • Vecna TechnologiesJul 2012 - Aug 2014

• Helped transition Vecna’s flagship robot, the QC Bot, from a prototype into a production model used at six sites.
• Integrated low-level sensors, improved navigation performance, and developed much of the protocols for server communication, inter-robot coordination, user interface control, and control of on-site infrastructure.
• Developed the user interface used by remote support staff to monitor robots all over the world and respond to issues in real-time without intimate knowledge of the system.

Co-Founder • Sensible BabyMar 2013 - Jan 2014

• Developed a prototype baby monitor that communicates with a smartphone to alert parents of unusual activity, and went on to raise $100,000 to persue the idea.

PROGRAMMING LANGUAGES

• Most Recently Used: Typescript/Javascript, C#, Python
• Prior Experience: Java, C, Objective C, C++

TOOLS

• DevOps: Unix, Google Compute, Google App Engine, Nginx
• Frameworks: ROS, Aurelia, Three.js, SQL, MongoDB, Arduino, AVR, PIC
• Programs: Unity, XCode, Fusion 360

EDUCATION