Joshua Andrews Email & Phone Number

South Africa

London Area, United Kingdom

Building the Merlin Digital Platform on Azure

South Africa

Core development of a large scale omni-channel messaging platform and portal for the largest telecom providers and various banking institutions in AfricaKey Achievements:* Designed and built high-performance communication systems handling ulta high message volumes* Re-architected SMS, MMS, USSD, and other mobile communication services for Africa's largest telecom providers* Developed next-generation web-based portals for product portfolios* Built and maintained critical backend services for high-volume message delivery* Transitioned legacy communication services to hybrid cloud (Azure) infrastructure* Designed and implemented diverse communication channels: Email, SMS, MMS, Whatsapp, etc.* Created custom big data reporting infrastructure processing several terabytes weekly* Agile orientated task management, with GitFlow based code management* Mentoring, and code review of other engineers* Designed, implemented, and ran Azure focused DevOps processes* Built extensive big data based reporting product features

* Assisted with various web focused client development needs as well as development of SaaS products (Wordpress, NodeJs, AWS, Laravel)* Developed inboxlapse.com prototype SaaS using (Sveltekit, sqlite, cloudflare serverless)* Developed Serperture.com a SEO analyser SaaS written in PHP* Rebuilt part of their AlertAlfred monitoring SaaS to provide scalability* Developed an internal agency portal to automate SEO reports for customers

South Africa

Consulting and development of various software solutions:* Developed Online Sport Event Bookings System for Entryready.com (PHP/Laravel/Mysql)* Developed website and online bookings for Libertylan.co.za, a gaming focused monthly event. (PHP/Laravel/Mysql) -> Optimized their 460 port network to introduce network switch stacking. Assisted attendees with network related tasks during events.* Developed several versions of Bravadogaming.com while collaborating with various designers (Wordpress/Mysql)* Developed Handy360 - A hybrid mobile application and SaaS (Like uber for maintenance contractors) (C#, Blazor, Svelte, CosmosDB, Azure Serverless)

Johannesburg Area, South Africa

Lead teams at this Managed Solutions Provider (MSP) for various client IT infrastructure.Designed solutions for new customers involving hardware, software, financial system integration, disaster recovery and budgeting.Operations for existing customer networks and software stacks.Development of ad hoc software for customers

South Africa

Planned and executed a complete migration from *all* managed infrastructure owned by their parent company.Solution architecture and implementation of:* Migrated entire IT infrastructure from Macsteel group (Telkom, Dimension Data)* Migration of all data from legacy macsteel exchange/AD to pure cloud Azure AD & Office 365* Migration of BCX hosted Syspro ERPBrand new national IT infrastructure design and implementation using:* 2x IBM/Lenovo SR series servers in High Availability Cluster* Synology NAS* Migrated Multi floor/building Cisco Catalyst switching to Huawei Enterprise / Mikrotik wired and wireless networking* Fortigate firewalling* Cloudflare zero trust* IP CCTV and Biometric integration* Multi vlan and routed networks* Developed IT infrastructure management and security policies for on site team* POPIA/GDPR implementation* ISO 27001 implementation of strategy and controls* Strong focus on IT Security and Risk Management* Developed a custom business portal to manage business workflows, and drive digital transformation by facilitating shop floor data collection - with extensive integation into Syspro ERP.* Developed self-serve reporting and analytics for business intelligence purposes.

South Africa

* Built a custom ERP with factory floor terminals to control several meat packaging production lines; with financial integration into SAP Business One ERP, and then later Sage Pastel evolution ERP.* Full food product traceability from farm to retail stores* Ground up integration with industrial barcode printers* Architected and implemented all hardware, networking, and custom software in the production plant: IBM PCs, Cisco networking, Datalogic Barcode scanners, TSC Label Printers, Urovo mobile smart android terminals. Ubiquiti Wifi. Digi industrial Scales* Ensured 24/7 multi-branch plant uptime

Consulted to intervene on collapsing IT infrastructure that had largely been neglected for nearly a decade* Decommissioned 30+ physical servers. Migrated to IBM physical server highly available cluster with dedicated IBM v7000 SAN storage * Management of campus network, 5000+ ethernet points for company and tenant networking, voip, cctv, and access control.* Migration of all core infrastructure from HyperV to Vmware virtual machines* Wrote and vetted government tenders in terms of the public finance management act law (PPPFMA)* Migration of email to Office365 on a group level* Managed IT and helpdesk team for core campus and 8 branches* Migrated failing Juniper SRX 5400 HA firewall Cluster to pfsense firewall. 300+ vlans and zonesKey tech: IBM, Juniper networking, Cisco, Windows Server, Ubuntu, Hyperv, Micro Focus, Veeam, OTRS, Untangle, Pfsense

Los Angeles, Usa

* Development and administration of custom applications written in C# and Scala* Ultra high performance focused concurrent distributed systems* Reverse engineering of existing applications* Systems administration and automation of thousands of Windows and Linux servers - vps/cloud/physical.* Development on existing business apps, as well as management of teams in the US, Pakistan, India, and South Africa.* Developed image focused machine learning systems/AI using Support Vector Machines (Machine learning)* Set up an ISP in the USA from scratch with direct internet peering (BGP) on Cisco routers (Equinix / Multacom)

Gauteng, South Africa

* Management of IT related infrastructure at this textile manufacturer* Development of applications (C#/winforms) to assist with business functions.* Database Design, analysis, and reporting.

Rosebank, Gauteng

Maintenance of high performance game serversDatacenter operations:* Deployment and changes to physical servers* Networking and routing implementation* Maintenance of windows and linux server operating systems* Optimisation of code and networking stack optimisation to handle thousands of players* Bug fixes and new feature development of C++ based game server engines