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Bill Filler

Principal Software Architect
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Bill Filler

Bill is a Principal Software Architect with over two decades of experience spanning a variety of technology sectors, including enterprise, financial, educational, and commercial software. With his hands-on approach and deep knowledge of software architecture and product design, Bill has repeatedly led engineering teams in successfully delivering scalable end-user facing products.

Before joining Maestro, Bill worked as an Engineering Manager and Technical Lead at MIT edX, a leading provider of massive open online courses (MOOCs). He directed a team building custom e-learning solutions for edX’s White Label partners, which included MIT, Harvard Medical School, Wharton Business School, Boeing, and the state of Israel’s national digital learning initiative.

Previously, Bill held a variety of engineering leadership positions at Canonical, providers of Ubuntu Linux enterprise and consumer software. He helped spearhead the development efforts on the Ubuntu Phone, building cutting-edge mobile phone applications and services, as well as leading a team that worked directly with OEM and ODM customers supporting Ubuntu customizations on a variety of hardware devices.

Earlier in his career, Bill co-founded a Charles River Ventures backed startup, Backbeat Systems, focused on location based delivery of data to smart devices. Thriving in the startup atmosphere, he was also an early stage employee at Pepper Computer, a forerunner in the tablet computing space, where he served as Director of Application Software.

Additionally, he was at the forefront of the internet ecommerce frontier, developing one of the industry’s first web application servers at startup Novera Software and ecommerce server platforms at Open Market, Inc.

Bill graduated Magna Cum Laude from Tufts University with a BS in Electrical Engineering.

“He who hesitates is lost." — Joseph Addison

Something You Should Know

  • First concert was KISS at Madison Square Garden in 1979. Have been a rock and roll connoisseur and guitarist in bands ever since
  • Passionate New York Rangers fan, despite living in Boston for last 30 years
  • Can often be found on the soccer pitch or hockey rink, coaching or playing with his three kids


  • Active contributor to the Open Source software community for Linux and online education
  • Served as board member and Technical Director for Carbonrally, a software platform to help organizations reduce their carbon footprints.