Product Dev Team | Feb 2023 - Present• Tech lead for 4 Engineers, developing, securing and supporting Microsoft Teams related Azure Cloud based Voice service.• Led projects, set technical direction, reviewed designs & code, coached & trained team members.• Onboarded and supported the 1st 5 tier 1 Telco operators on schedule as Dev team rep to customer support.• Instigated initial formal release process, working cross-teams and functions to drive agreement.Solution Test Team | Mar 2021 - Feb 2023• One of two lead Engineers ensuring quality of a 90 million subscriber Azure cloud based Voicemail solution.• Drove alignment between customer facing teams and Dev team to optimize lifecycle management.• Gave technical oversight, support and coaching to team of 4 contractor testers.

• Tech lead for 5 medium-large complex features involving 3rd party hardware integrations, all successfully delivered.• Swiftly trained up 2 seniors to take over my ownership of a complex area (packet processing layer) before switching roles.• 9 month secondment as support engineer, collaborating with field engineers to resolve complex customer problems.

• Managed a team of 4 Junior-Senior Engineers & delivered over 40 projects.• Owned packet processing layer of VoIP Session Border Controller product, working in Linux kernel and device drivers.• Lead 2 projects that, in total, increased real-time packet throughput by over 8x, optimising concurrency and integration with x86 architecture.• Conceived and led creation of 2 distinct test frameworks that radically sped up identification and resolution of bugs.

• Extensive system/integration test experience of complex high scale Voice over IP network products.• Built several test hardnesses, in Python & C, with one involving re-writing a network driver in the Linux kernel.• Developed enhancements in C for a complex high-scale 99.999% availability VoIP server.