Rubén Espinosa Roldán is a seasoned software engineer with extensive experience in software development and team leadership. Currently serving as a Lead Software Engineer at Circle since June 2021, Rubén has previously held key positions such as Engineering Manager and Ruby Developer at Runa from February 2019 to June 2021, and as a Ruby Developer at SquareOffs from January 2017 to February 2019. Other notable roles include Coordinador de desarrollo at Servicio Personalizado de Sistemas, Senior Developer at Globant, and Senior Ruby Developer at Encast Inc. With a Master of Engineering in Information Technology from Universidad EAFIT and a degree in Computer Science from Universidad Escuela de Administración y Finanzas y Tecnologías, Rubén possesses a robust educational background complementing over a decade of professional expertise in diverse software development environments.