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.

See more

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
See more

Language

English
Fluent

Work Experience

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.
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.

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