Samuel de Ancos lives in Madrid, Spain. He loves developing software. He is currently working as a senior engineer at Carriots.com IoT and M2M platform and is a member of the Fourcoders software developers team. He writes a blog about software developing (in Spanish).

He has more than 7 years of experience in developing web applications with PHP / MySql / MongoDB using frameworks such as Symfony 1.4 / 2.x / Silex and also has more than 5 years of experience with Python, knowledge of the Tornado Web Server framework, Web.py framework, and the Bottle framework. He has more than 4 years of experience in developing the IoT and M2M platforms with knowledge of MongoDB, RabbitMQ, and Redis.

Liam Lacey is a software developer who specializes in C/C++ development, mainly in the fields of audio and MIDI, of OS-level applications. Most of his development skills have been self-taught through a strong passion for the field; however, he was first introduced to software development at the university, where he received a first class BSc honors in audio and music technology. He has designed and developed software modules for new products, from the concept/prototype stage all the way through to the production stage, within teams and as an independent developer.

He has a strong interest in audio plugin development, connected devices, music interaction, new interfaces for musical expression, and augmented instruments using platforms such as Arduino and JUCE. He is also a guitarist, musician, composer, producer, performer, and sound designer.

He aims to develop his current software development skills toward a highly professional level as well as develop skills in other related areas, such as audio DSP, sound synthesis and design, and electronics.