Hi, I'm Donovan Facey, a Senior Software Engineer with over 10 years of experience building end-to-end solutions across various technologies like React, Next.js, and PHP Laravel. I specialize in developing secure APIs, event-driven microservices, and integrating cloud-native architectures with advanced AI/ML capabilities. I enjoy mentoring teams and driving collaborative projects that deliver real business impact. Throughout my career, I've worked with industry leaders like Walmart, Ford, and Hyperproof, optimizing performance and modernizing large-scale platforms. I'm passionate about building innovative, scalable systems while creating clean, maintainable codebases. I love learning new technologies and applying them to solve complex challenges in creative ways.

Donovan Facey

Hi, I'm Donovan Facey, a Senior Software Engineer with over 10 years of experience building end-to-end solutions across various technologies like React, Next.js, and PHP Laravel. I specialize in developing secure APIs, event-driven microservices, and integrating cloud-native architectures with advanced AI/ML capabilities. I enjoy mentoring teams and driving collaborative projects that deliver real business impact. Throughout my career, I've worked with industry leaders like Walmart, Ford, and Hyperproof, optimizing performance and modernizing large-scale platforms. I'm passionate about building innovative, scalable systems while creating clean, maintainable codebases. I love learning new technologies and applying them to solve complex challenges in creative ways.

Available to hire

Hi, I’m Donovan Facey, a Senior Software Engineer with over 10 years of experience building end-to-end solutions across various technologies like React, Next.js, and PHP Laravel. I specialize in developing secure APIs, event-driven microservices, and integrating cloud-native architectures with advanced AI/ML capabilities. I enjoy mentoring teams and driving collaborative projects that deliver real business impact.

Throughout my career, I’ve worked with industry leaders like Walmart, Ford, and Hyperproof, optimizing performance and modernizing large-scale platforms. I’m passionate about building innovative, scalable systems while creating clean, maintainable codebases. I love learning new technologies and applying them to solve complex challenges in creative ways.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
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Language

English
Fluent

Work Experience

Senior Software Engineer at Walmart
October 1, 2021 - Present
Engineered core backend services for Walmart Seller Center using PHP (Laravel), Node.js, and Python microservices supporting over 150K sellers and 2.1M+ products. Reduced latency bottlenecks by building a centralized orchestrator, cutting processing time by 45%. Designed hybrid MongoDB and PostgreSQL data models for product catalog and order tracking. Migrated a centralized React monolith to a micro-frontend architecture, improving build times by 40%. Modernized the Inventory UI with React, Tailwind CSS, and Shadcn UI components. Optimized product listings with Next.js features reducing initial render time significantly. Acted as a team mentor, leading code reviews and guiding junior engineers towards feature ownership.
Senior Full-Stack Engineer at Hyperproof
October 1, 2021 - July 9, 2025
Launched and scaled an AI-driven cybersecurity compliance SaaS platform using PHP (Laravel) backend and React UI. Orchestrated event-driven microservices with Laravel, Go, Node.js using Redis, Docker, and Terraform. Led AI recommendation system improving accuracy from 65% to 95% leveraging Python, Azure AI services, and PostgreSQL. Developed GraphQL queries and resolvers with Laravel Lighthouse for efficient client-server interactions. Built React-based dashboards and reusable component libraries aligned with Figma and Storybook. Collaborated closely with product managers to translate requirements into fast, iterative releases.
Software Engineer at Ford Motor Company
July 1, 2018 - July 9, 2025
Developed a secure, PCI-compliant payment platform using React, PHP, and PostgreSQL on AWS enabling multiple-gateway processing with Stripe. Optimized state management with React's Context API, reducing complexity. Built PHP RESTful APIs, designed PostgreSQL data models, and leveraged AWS services (SQS, EC2, S3, CloudWatch, IAM) for event-driven payment processing with a 35% reduction in errors. Documented APIs with Swagger/OpenAPI for seamless frontend integration and improved QA collaboration.

Education

Bachelor's Degree at University of Florida
January 1, 2011 - December 31, 2015

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Retail, Financial Services, Transportation & Logistics, Professional Services