Summary
Asa Hardcastle is a seasoned software partner and systems architect with 13 years of experience building multi-device applications, APIs, and identity/privacy solutions from his base in Great Barrington, Massachusetts. He co-leads Tonic 5 and runs Zenn New Media, bringing hands-on architecture, project management, and development to client and open-source projects. His background spans UI and mobile development as well as deep work on identity standards—evidenced by past technical leadership on Liberty/ID-WSF efforts and contributions to projects like ZXID. Asa also applies tech skills to mission-driven organizations, having supported nonprofits and local initiatives such as Berkshares, WBCR-lp, and 84000. Colleagues describe him as a quietly prolific contributor whose public profiles understate a broad portfolio of engineering and civic projects.
13 years of coding experience
3 years of employment as a software developer
BA, Computer Science and English, BA, Computer Science and English at Emory University
Berkshire School