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Aiden Henry

@aidenhenry1

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Senior Full Stack Engineer specializing in scalable web, SaaS platforms, and AI automation.

Ireland

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What I'm looking for

I seek senior engineering roles building scalable SaaS platforms, emphasizing automated workflows, high-performance systems, strong CI/CD, and collaborative agile teams.

I am a Senior Full Stack Engineer with 8+ years building scalable web and SaaS platforms, focused on performance, reliability, and maintainability.

I specialize in PHP (Laravel, Symfony), modern JavaScript frameworks (React, Next.js, Vue.js), and Python-based AI automation, having refactored large legacy codebases and reduced build and load times substantially.

My experience includes designing RESTful APIs, microservices, and CI/CD pipelines (Docker, GitHub Actions, AWS) to achieve zero-downtime releases and improved deployment reliability.

I collaborate closely with UX and product teams, lead agile practices, and deliver measurable improvements in user engagement, revenue, and system stability.

Experience

Work history, roles, and key accomplishments

Current

Senior Software Engineer

Current

Klaviyo

Jul 2022 - Present (3 years 5 months)

Engineered backend systems with Laravel and Symfony to improve scalability and response times by 35% and designed REST APIs handling 60,000+ daily requests while reducing build times and achieving zero-downtime CI/CD releases.

Laravel Symfony PHP React Next.js Python Docker CI CD AWS

Software Engineer

Workiva

Sep 2019 - Jul 2022 (2 years 10 months)

Architected full-stack applications with Symfony, Laravel, Vue.js and Node.js serving 50,000+ users, optimized backend queries to reduce API latency and integrated Python AI workflows to streamline analytics.

Symfony Laravel Vue.Js Node Python REST APIs Docker CI CD Performance Optimization

FullStack Developer

Wellola

Jul 2017 - Aug 2019 (2 years 1 month)

Built and maintained healthcare web applications with Laravel and React, integrating 10+ APIs to enable real-time patient–provider communication and improving data accuracy and reporting efficiency.