Amiel D.
Senior Backend Engineer
Experience
Jul 2023 - Mar 2025
1 year 9 monthsParis, France
Senior Backend Engineer
Google France
- Architected scalable backend services using Python and Ruby on Rails, supporting internal analytics dashboards with 5,000+ transactions per second and zero downtime during peak operations.
- Directed the creation of RESTful and GraphQL APIs, enabling secure, fast, and standardized data access for frontend dashboards and internal tools, reducing response latency by 40%.
- Spearheaded monitoring and logging pipelines using Sentry, DataDog, and New Relic, improving incident detection and resolution by 35% while ensuring production reliability.
- Instituted automated CI/CD pipelines with Docker and Linux, accelerating deployment cycles by 30% and minimizing manual errors during releases.
- Partnered with product managers, frontend engineers, and QA teams to define API contracts, translate business requirements into reliable backend services, and ensure end-to-end feature quality.
- Championed technical debt reduction, system performance optimization, and reusable module creation, improving maintainability and scalability of core services.
Mar 2021 - Apr 2023
2 years 2 monthsCary, United States
Backend Engineer
Janssen Sports Leadership Center
- Engineered Ruby on Rails and Python microservices to power real-time dashboards for 200+ staff users, delivering fast, interactive analytics and financial reporting.
- Designed RESTful APIs and documentation, enabling clear integration points for frontend developers and internal teams while supporting secure, paginated access to critical data.
- Implemented monitoring, logging, and performance tracking using Sentry and custom alerting pipelines, proactively resolving system issues and optimizing workflow reliability.
- Devised CI/CD workflows on Docker/Linux environments, automating testing and deployment, which reduced deployment errors and accelerated feature delivery by 40%.
- Collaborated with cross-functional teams, including product managers, QA engineers, and designers, to define API contracts, implement feature workflows, and ensure high-quality releases.
- Standardized backend modules, reusable API patterns, and database query optimizations to increase efficiency across multiple projects and services.
Jun 2017 - Jan 2021
3 years 8 monthsNantes, France
Backend Developer
FoxAudit
- Constructed backend services using Ruby on Rails, Python, and SQL to process 50,000+ monthly audit and financial records, reducing report generation latency by 45%.
- Formulated REST APIs for internal dashboards, enabling secure, paginated, and filtered data access for finance and audit teams while supporting rapid frontend integration.
- Optimized deployment pipelines, logging, and monitoring with Docker/Linux environments, improving reliability and performance consistency by 30%.
- Facilitated collaboration with product managers, QA, and frontend engineers, translating complex business and regulatory requirements into actionable backend services.
- Orchestrated technical debt reduction, database query improvements, and reusable backend module development, enhancing maintainability and scalability for future growth.
Summary
Senior Software Engineer with 8+ years of experience designing, developing, and maintaining scalable, high-performance backend systems in product-focused companies. Proficient in Ruby on Rails, Python, SQL, RESTful and GraphQL APIs, and experienced in CI/CD pipelines, Docker/Linux deployments, monitoring, logging, and incident response using Sentry, DataDog, New Relic, and Sidekiq. Adept at technical ownership, system design, API-first architectures, and performance optimization, with a hands-on, proactive mindset. Experienced in Agile/Scrum workflows (Jira) and collaborating with cross-functional teams, product managers, QA engineers, and designers. Familiar with React.js and HTMX for frontend integration.
Languages
French
AdvancedEnglish
ElementaryEducation
Oct 2014 - Jun 2017
University of Angers
Bachelor’s Degree, Computer Science · Computer Science · Angers, France
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