Main focus: Full-stack software development and technical consulting. Specialising in cross-platform mobile applications (React Native), REST API development (Go), WordPress plugin development, point-of-sale and festival/event technology platforms, ERP systems, and kiosk/hardware integration (NFC/RFID, EFTPOS, BLE). Legacy software maintenance and modernisation including Delphi/Pascal systems. Real-time systems including WebSockets, CRDT sync, offline-first architecture, and streaming infrastructure. AI integration and automation. Custom software development — turning your ideas into production-ready products for your business.
Professional background: Certified Ethical Hacker (CEH) and Computer Hacking Forensics Inspector (CHFI). BSc in Science, University of Auckland (2011). Over 20 years of professional experience. Full-stack software developer, cybersecurity specialist, and systems architect. Expert in cross-platform mobile development (React Native), backend API development (Go), web development (JavaScript/PHP/WordPress), and legacy system modernisation (Delphi across multiple platforms). Deep expertise in POS, ERP, and accounting systems with over 100 system integrations delivered. Extensive experience in cybersecurity, penetration testing, digital forensics, and system administration across Linux and Windows Server environments. Strong understanding of network security, infrastructure hardening, and compliance. Currently building production-scale platforms processing six-figure transaction volumes — including real-time payment systems, NFC/RFID hardware integration, EFTPOS, kiosk systems, offline-first architecture, WebSocket streaming, and CRDT synchronisation. Experienced with both Google Play and Apple App Store publication including Apple exemption processes. Long-term client relationships spanning up to 7+ years, working with businesses ranging from small operations to multimillion-dollar enterprises. Specialising in turning complex business requirements into reliable, production-ready software — whether that's custom ERP systems, hardware automation, event technology platforms, or AI-powered tooling. Qualifications/Knowledge: Advanced Microsoft Excel (formulas, macros, VBA, pivot tables, data analysis), Advanced Microsoft Access (database design, queries, VBA automation, reporting), Project management and technical leadership, Technical documentation and contract negotiation, Cloud infrastructure (deployment, scaling, DevOps), Database design and administration (PostgreSQL, MySQL, SQLite), API design and third-party service integration, AI/ML integration and prompt engineering, Version control and CI/CD pipelines (Git, GitHub Actions), Agile/iterative development methodology, Client training and technical onboarding, Hardware specification and procurement. Self-employed since 2005.
Professional background: Certified Ethical Hacker (CEH) and Computer Hacking Forensics Inspector (CHFI). BSc in Science, University of Auckland (2011). Over 20 years of professional experience. Full-stack software developer, cybersecurity specialist, and systems architect. Expert in cross-platform mobile development (React Native), backend API development (Go), web development (JavaScript/PHP/WordPress), and legacy system modernisation (Delphi across multiple platforms). Deep expertise in POS, ERP, and accounting systems with over 100 system integrations delivered. Extensive experience in cybersecurity, penetration testing, digital forensics, and system administration across Linux and Windows Server environments. Strong understanding of network security, infrastructure hardening, and compliance. Currently building production-scale platforms processing six-figure transaction volumes — including real-time payment systems, NFC/RFID hardware integration, EFTPOS, kiosk systems, offline-first architecture, WebSocket streaming, and CRDT synchronisation. Experienced with both Google Play and Apple App Store publication including Apple exemption processes. Long-term client relationships spanning up to 7+ years, working with businesses ranging from small operations to multimillion-dollar enterprises. Specialising in turning complex business requirements into reliable, production-ready software — whether that's custom ERP systems, hardware automation, event technology platforms, or AI-powered tooling. Qualifications/Knowledge: Advanced Microsoft Excel (formulas, macros, VBA, pivot tables, data analysis), Advanced Microsoft Access (database design, queries, VBA automation, reporting), Project management and technical leadership, Technical documentation and contract negotiation, Cloud infrastructure (deployment, scaling, DevOps), Database design and administration (PostgreSQL, MySQL, SQLite), API design and third-party service integration, AI/ML integration and prompt engineering, Version control and CI/CD pipelines (Git, GitHub Actions), Agile/iterative development methodology, Client training and technical onboarding, Hardware specification and procurement. Self-employed since 2005.
Miscellaneous: $75 - $135+ NZD per hour + GST, depending on project complexity and technology stack. Standard development & consulting (Delphi, Excel/Access automation, data analytics, reporting, single-platform work): from $75/hr + GST. Full-stack & multi-platform development (React Native, Go APIs, WordPress, cross-platform applications, system integrations, hardware integration): from $135/hr + GST. Cybersecurity & forensics (penetration testing, security audits, incident response, digital forensics): by quotation. Fixed-price project quotes available on request.
Feedback: D. Mcdonald: I used Gareth and he was fantastic, super professional. Highly recommend him. • M. Griffin: Very knowledgeable, provided good workable solutions and very approachable. We would hire him again as our first choice as a computer trouble-shooter. • T. Roberts: Gareth has the right skills and is great to work with.
Explanation: + for low, ++ for medium, +++ for high.
On-site work: Auckland up to 500 km
a) Please consider that the freelancer pays an introduction fee of NZD 270.00 for each genuine introduction.
b) In case of an assignment, the freelancer will invoice you directly, i.e. 100% of your money will reach the freelancer. Unlike other project brokers, you do not have to pay fees or a turnover commission to us, nor do you have to bill via us.
c) Please check that the selected freelancer profile fits well to your project.
d) You have to agree to the hourly rate (NZD 135.00/hr plus travel expenses).
e) You must have an actual project and you are not a professional project broker.
f) You can only request one freelancer per project.
g) You must provide us with brief feedback about the introduction and the freelancer within 14 days