Andrew Cassidy
Head Of Infrastructure at Orbital Net Limited
Herne Bay, England, United Kingdom
Summary
👤
Senior🎓
Top SchoolAndrew Cassidy is Head of Infrastructure at a fast-growing UK ISP with 14 years of experience designing, building and operating internal and customer-facing services, specialising in VoIP and open source telecom platforms. A Computer Science graduate from the University of Kent, he blends a software-first mindset—rooted in past C#, Java and current Python/Django work—with deep systems and telephony expertise demonstrated by contributions to the FreeSWITCH project. He leads infrastructure strategy and advises stakeholders on long-term goals while remaining hands-on in reliability, billing logic and security improvements. Continuously learning, he’s exploring Rust and Go, reflecting a practical curiosity for modern systems languages that complement his production-focused tooling.
14 years of coding experience
10 years of employment as a software developer
A-Level, ICT, General Studies, Mathematics, Chemistry, A-Level, ICT, General Studies, Mathematics, Chemistry at Barton Court Grammar SchoolBSc (Hons), Computer Science, BSc (Hons), Computer Science at University of Kent
English
Stackoverflow
773reputation
350kreached
41answers
0questions
Github Skills (18)
telephony10
c1110
voip10
sip10
c1710
sips10
cryptography10
freeswitch10
amqp8
open-source7
powershell6
xml6
django-rest-framework6
powershell-ise6
bash6
Programming languages (4)
Github contributions (5)
signalwire/freeswitch
Sep 2014 - Jun 2020
FreeSWITCH is a Software Defined Telecom Stack enabling the digital transformation from proprietary telecom switches to a versatile software implementation that runs on any commodity hardware. From a Raspberry PI to a multi-core server, FreeSWITCH can unlock the telecommunications potential of any device.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:5 commits, 2 PRs, 10 comments in 5 years 10 months
Contributions summary:Andrew primarily contributed to the back-end functionality of the FreeSWITCH project. Their work involved fixing bugs related to mutex locks and timestamp resolution, adding new cipher support (AEAD_AES_128_GCM and AEAD_AES_256_GCM), and addressing variable changes. Furthermore, the user made modifications to billing logic, specifically concerning rounding values and total billed amounts. The user demonstrated skills related to the SIP protocol and telephony, given the project context.
telecomproprietarytelecommunicationswebrtccommodity-hardware
zandeez/adventofcode
Oct 2022 - Dec 2023
Contributions:17 pushes, 1 branch in 1 year 1 month
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.