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Hello, I'm Casimiro Ferreira

I'm a passionate software engineer and open-source developer with extensive experience in voice assistant technologies. My journey has taken me across different countries and roles, and I have a strong focus on contributing to the open-source community.

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Leading OpenVoiceOS and HiveMind

I am currently the lead developer for two significant projects:

  • OpenVoiceOS - Leading development efforts for OpenVoiceOS, a non-profit organization creating frameworks for voice-enabling various applications and devices. This project aims to empower voice technology and make it accessible to everyone.
  • HiveMind- Serving as the lead developer for HiveMind, a protocol designed to connect multiple voice assistants and enable seamless collaboration between them. HiveMind represents the future of voice technology interconnectivity.

Professional Experience Highlights

I embarked on a journey as a self-employed Software Engineer since January 2017. This freelance role has allowed me to specialize in the voice assistant space, working remotely from Portugal. I have had the privilege of working in various capacities that have honed my skills as a software engineer and open-source developer.

My journey started as a Software Engineer at XERLOK (based in Argentina). Here, I led the development of the Minimum Viable Product (MVP) for an emotional smart assistant. My responsibilities included selecting reference hardware, creating a reference Raspberry Pi image, developing a local web UI, implementing basic vision capabilities like face tracking and emotion recognition, and building a basic speaker recognition system using Gaussian Mixture Models. I also assisted in the automatic translation of NLP resources into Spanish

Other of my recent roles has been as a Software Engineer at NEONGECKO.COM INC, (Mycroft Channel Partners) where I've been involved in voice assistant Free and Open Source Software (FOSS) projects since 2019.

A significant chapter in my career was spent at Chatterbox, where I was the co-founder and served as a Full Stack Engineer from May 2018 to November 2021. During my tenure, I successfully developed the full stack for a privacy-respecting educational smart assistant that kids build and teach themselves. My accomplishments included overseeing a succesfull Kickstarter campaign, creating a versatile library for voice assistant creation, and developing a proprietary voice assistant stack. I also worked on creating a intuitive React + Blockly-based UI that kids use to build skills

I remain actively engaged in projects like OpenVoiceOS and HiveMind, continuing to contribute and innovate in the voice technology domain.

Seeking Sponsors

I am dedicated to advancing the development of OpenVoiceOS and HiveMind, but in order to work on these FOSS projects full time I rely on external support. By becoming a sponsor, you can play a crucial role in fueling the growth and success of these initiatives.

You can consider the following options:

  • Contract Work: Engage me to implement voice technology solutions based on OpenVoiceOS for your specific needs.
  • Donate: Contribute to the development of OpenVoiceOS and HiveMind by making a financial donation through PayPal.
  • Become a Patron: Support my work by becoming a patron through Liberapay.
  • Sponsor a Sprint: Help advance key features and milestones under OpenVoiceOS by sponsoring specific development sprints.

Your sponsorship will directly contribute to the growth and sustainability of these open-source projects. Let's collaborate and make voice technology accessible to all!

Contact Me

You can reach me by Email: [email protected], Matrix Chat or LinkedIn

Thank you for considering supporting my work!

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