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Hi there! I'm Campbell Davis, a Senior Backend Engineer and Solutions Consultant with 10+ years of experience delivering bespoke technical solutions to complex business problems. I have Architected and deployed critical software across diverse industries, including Logistics, Construction, Healthcare, and Field Services. I excel at entering new domains, quickly understanding unique operational challenges, and engineering reliable systems that drive efficiency. I blend deep PHP/Symfony expertise with a consulting mindset, focusing on clear stakeholder communication and tangible business outcomes.…Hi there! I'm Campbell Davis, a Senior Backend Engineer and Solutions Consultant with 10+ years of experience delivering bespoke technical solutions to complex business problems. I have Architected and deployed critical software across diverse industries, including Logistics, Construction, Healthcare, and Field Services. I excel at entering new domains, quickly understanding unique operational challenges, and engineering reliable systems that drive efficiency. I blend deep PHP/Symfony expertise with a consulting mindset, focusing on clear stakeholder communication and tangible business outcomes.

Campbell Davis

Back-End Developer, Full Stack Developer, Web Developer, +2

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Hi there! I'm Campbell Davis, a Senior Backend Engineer and Solutions Consultant with 10+ years of experience delivering bespoke technical solutions to complex business problems. I have Architected and deployed critical software across diverse industries, including Logistics, Construction, Healthcare, and Field Services. I excel at entering new domains, quickly understanding unique operational challenges, and engineering reliable systems that drive efficiency. I blend deep PHP/Symfony expertise with a consulting mindset, focusing on clear stakeholder communication and tangible business outcomes.…Hi there! I'm Campbell Davis, a Senior Backend Engineer and Solutions Consultant with 10+ years of experience delivering bespoke technical solutions to complex business problems. I have Architected and deployed critical software across diverse industries, including Logistics, Construction, Healthcare, and Field Services. I excel at entering new domains, quickly understanding unique operational challenges, and engineering reliable systems that drive efficiency. I blend deep PHP/Symfony expertise with a consulting mindset, focusing on clear stakeholder communication and tangible business outcomes.

Available to hire

Hi there! I’m Campbell Davis, a Senior Backend Engineer and Solutions Consultant with 10+ years of experience delivering bespoke technical solutions to complex business problems. I have Architected and deployed critical software across diverse industries, including Logistics, Construction, Healthcare, and Field Services.

I excel at entering new domains, quickly understanding unique operational challenges, and engineering reliable systems that drive efficiency. I blend deep PHP/Symfony expertise with a consulting mindset, focusing on clear stakeholder communication and tangible business outcomes.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Language

English

Fluent

Work Experience

Senior Backend Engineer & Solutions Consultant at FOUR

November 1, 2014 - Present

Lead Engineer for a bespoke integration engine between assignment data and Pronto. Mapped incompatible data structures and implemented complex client-specific business rules, demonstrating deep backend architectural capabilities. Architected a custom business-logic monitoring solution that tracked logic failures and server uptime for proactive support. Optimized high-volume relational databases, redesigned schemas and refactored queries to reduce performance bottlenecks. Drove crisis management for a stalled critical project, delivering an end-to-end business-management solution (job scheduling, payroll, reporting) ahead of deadline. Designed an internal 'Job Ticket Screen Builder' to enable support teams to create dynamic dashboards, reducing developer overhead for minor logic changes. Championed modernization and code quality by introducing modern testing standards into legacy PHP codebases; implemented PHPStan and PHPUnit, significantly reducing regression bugs and boosting develope

Web Developer at Australian Hiring Company

September 1, 2013 - May 1, 2015

Legacy modernization: revitalized a legacy customer-facing platform through a complete UI/UX overhaul, significantly improving modern browser compatibility. Full-stack maintenance: maintained and optimized the PHP backend, ensuring system stability while gradually refactoring outdated codebases.