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Platform and performance engineer with over fourteen years' experience driving performance optimization, platform stability & resilience, and risk management for complex, business-critical systems. Proven track record of delivering value across industries and globally distributed teams at all stages of the project lifecycle. Ability to prioritize tasks and quickly adapt to changing environments, with a relentless drive to ensure a positive end-user experience.…Platform and performance engineer with over fourteen years' experience driving performance optimization, platform stability & resilience, and risk management for complex, business-critical systems. Proven track record of delivering value across industries and globally distributed teams at all stages of the project lifecycle. Ability to prioritize tasks and quickly adapt to changing environments, with a relentless drive to ensure a positive end-user experience.

Joseph O'Deorain

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Platform and performance engineer with over fourteen years' experience driving performance optimization, platform stability & resilience, and risk management for complex, business-critical systems. Proven track record of delivering value across industries and globally distributed teams at all stages of the project lifecycle. Ability to prioritize tasks and quickly adapt to changing environments, with a relentless drive to ensure a positive end-user experience.…Platform and performance engineer with over fourteen years' experience driving performance optimization, platform stability & resilience, and risk management for complex, business-critical systems. Proven track record of delivering value across industries and globally distributed teams at all stages of the project lifecycle. Ability to prioritize tasks and quickly adapt to changing environments, with a relentless drive to ensure a positive end-user experience.

Available to hire

Platform and performance engineer with over fourteen years’ experience driving performance optimization, platform stability & resilience, and risk management for complex, business-critical
systems. Proven track record of delivering value across industries and globally distributed teams at all stages of the project lifecycle. Ability to prioritize tasks and quickly adapt to changing environments, with a relentless drive to ensure a positive end-user experience.

Skills

AWS

Docker

Kubernetes

Experience Level

AWS

Expert

Docker

Expert

Kubernetes

Expert

Language

English

Advanced

German

Beginner

Work Experience

Performance Engineer at Expleo Belfast

December 1, 2017 - December 1, 2017

Led the migration of locally hosted applications to multi-region data-center setups, delivering year-on-year cost savings for a Fortune 500 insurer. Implemented monthly performance regression tests to quantify the impact of configuration changes and introduced Splunk monitoring and alerting in production, reducing mean time to resolve defects from days to under an hour. Built and evolved CI/CD pipelines and cloud infrastructure to accelerate testing and deployment, fostering collaboration across teams and delivering measurable performance improvements.

Performance Engineer at Expleo Belfast

September 1, 2024 - September 1, 2024

Developed a fully automated cloud-based infrastructure, testing and observability solution using AWS, Terraform and Grafana Cloud, reducing per-worker node setup time from one hour to three minutes. Designed and implemented Dynatrace and Grafana observability to support migration to a new API gateway, achieving a 40% reduction in infrastructure cost. Executed performance assessments to ensure a client’s CRM application and underlying infra could support up to 1.5x current peak production load. Implemented a Jenkins CI/CD pipeline, cutting the time to configure and execute performance tests from two hours to 10 minutes.