Hi, I’m Lucy Deroo, a backend engineer with 10 years of experience building and maintaining production web applications, APIs, and internal systems with a focus on performance, reliability, and system design. I’m skilled at diagnosing production issues, improving backend performance, and managing Linux-based infrastructure, and I enjoy working across full-stack development, API design, and deployment using Docker and cloud environments. In my day-to-day, I design robust REST APIs, integrate systems, and automate workflows to reduce manual tasks. I’m passionate about clean architecture, scalable services, and continuous learning to solve real-world problems for teams and users.

Lucy Deroo

Hi, I’m Lucy Deroo, a backend engineer with 10 years of experience building and maintaining production web applications, APIs, and internal systems with a focus on performance, reliability, and system design. I’m skilled at diagnosing production issues, improving backend performance, and managing Linux-based infrastructure, and I enjoy working across full-stack development, API design, and deployment using Docker and cloud environments. In my day-to-day, I design robust REST APIs, integrate systems, and automate workflows to reduce manual tasks. I’m passionate about clean architecture, scalable services, and continuous learning to solve real-world problems for teams and users.

Available to hire

Hi, I’m Lucy Deroo, a backend engineer with 10 years of experience building and maintaining production web applications, APIs, and internal systems with a focus on performance, reliability, and system design. I’m skilled at diagnosing production issues, improving backend performance, and managing Linux-based infrastructure, and I enjoy working across full-stack development, API design, and deployment using Docker and cloud environments.

In my day-to-day, I design robust REST APIs, integrate systems, and automate workflows to reduce manual tasks. I’m passionate about clean architecture, scalable services, and continuous learning to solve real-world problems for teams and users.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
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Language

English
Fluent

Work Experience

Full-Stack Developer at L&S Cleaning Service
April 1, 2016 - April 1, 2026
Built and maintained PHP-based web applications for internal business operations (scheduling, admin, reporting tools); designed and implemented REST API integrations between internal systems; managed Linux servers (deployment, updates, monitoring, troubleshooting); automated repetitive admin workflows, reducing manual processing time.
Volunteer Developer at All Saints Community Centre
March 1, 2026 - Present
Built a PHP-based booking and scheduling system for internal use, improving visibility and management of hall reservations. Identified and resolved a major performance bottleneck; redesigned the API to use aggregated endpoints, reducing requests from hundreds per page load to fewer than 10. Set up and maintained a Linux-based hosting environment, including deployment, updates, and troubleshooting. Provided ongoing support and iterative improvements based on real user feedback.

Education

Applied Cryptography at Udacity
January 1, 2016 - May 8, 2026
Secondary Education at Atheneum Leopoldsburg
January 11, 2030 - May 8, 2026

Qualifications

Applied Cryptography
January 1, 2016 - May 8, 2026

Industry Experience

Software & Internet, Professional Services, Education