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David Voirol

@davidvoirol

I build secure Java and React banking, financial, and e-commerce applications.

United States
Message

I've built Java and Spring Boot services for Alliant Credit Union, supporting digital banking payments and account servicing through secure REST APIs and event-driven integrations. My work improved member dashboard usability, reduced support tickets by 18%, cut query latency by 32%, and increased critical-service test coverage from 55% to 88%.

Across MidWest America Federal Credit Union, Do it Best Corp, and Sweetwater, I've delivered online banking, loan origination, e-commerce, inventory, pricing, and order-management systems using Java, React, Angular, Vue, SQL, Kafka, RabbitMQ, and cloud-native delivery practices.

I also lead code reviews and pair programming, mentor junior engineers, and improve reliable delivery with Docker, Kubernetes, Jenkins, GitHub Actions, Azure DevOps, Prometheus, and Grafana.

Experience

Work history, roles, and key accomplishments

AU
Current

Senior Software Engineer

Alliant Credit Union

Feb 2024 - Present (2 years 6 months)

Designed and implemented Spring Boot microservices in Java 17 for digital banking features, developed responsive React and Angular components, optimized SQL queries, built event-driven integrations, and implemented automated testing. Led code reviews and mentoring, improving CI/CD pipelines and reducing production incidents.

Education

Degrees, certifications, and relevant coursework

Indiana University Bloomington logoIB

Indiana University Bloomington

Bachelor of Science, Informatics

2012 - 2016

Bachelor of Science in Informatics from Indiana University Bloomington, completed from 2012 to 2016.

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