Mohamed Elkholy

• Delivered end-to-end web apps for startups and SMBs—from microsites/MVPs to large-scale applications.
• Designed serverless architectures on AWS, GCP, and Firebase for scalable, low-ops, cost-efficient delivery.
• Built React/Angular UIs and Node.js services; integrated third-party APIs, auth, payments, AI, and webhook flows.
• Provided technical consulting: architecture/code reviews, tool selection, performance audits, and workflow improvements.
• 2023 — Checkout workflow revamp on React/Node.js (GCP) with Stripe integration, increasing conversion by 12%.
• 2021 — Firebase/Cloud Functions; optimized indexes, caching, and queries, reducing cloud costs by 28%.
• 2020 — React/Next.js + Shopify (GraphQL API); delivered a storefront MVP in 6 weeks.

• Modernized a large-scale Firebase codebase (web/Cloud Functions) to LTS, improving performance and release stability.
• Migrated the internal dashboard to MUI; built a reusable component library, improving UX and speeding feature delivery.
• Structured Firestore data with a schema analyzer and dashboard-driven migration runner, improving data integrity.
• Built Stripe operations dashboards with reconciliation and audit trails to reduce discrepancies and support compliance.
• Set up CI/CD with GitHub Actions + Cloud Pub/Sub: PR checks, preview deploys, and in-dashboard deployment logs.
• Improved quality and reliability with automated unit and E2E tests on PRs, structured logging, observability, caching and load testing, catching regressions earlier and keeping latency low.

• Owned NestJS GraphQL microservices end-to-end, standardized schemas and versioned releases, reducing regressions.
• Built internal React/MUI dashboards and reusable component libraries, streamlining operations and speeding delivery.
• Integrated an ML-driven recommendations service using user signals, boosting product CTR/AOV, driving revenue growth.
• Improved performance with DataLoader caching and batching, efficient pagination, and media delivery optimizations; validated via targeted load testing to sustain thousands of requests/min at low p95 latency.
• Achieved 90%+ test coverage (Jest, Cypress); implemented Datadog observability and runbooks to reduce MTTR.
• Set up CI/CD with the DevOps team using GitHub Actions and Terraform: Docker/K8s/Helm deploys to staging/production.
• Adopted AI-assisted dev workflows for refactors, tests, and docs, speeding PRs and improving documentation coverage.

• Developed and maintained the main website and its REST API.
• Implemented headless WordPress with the WP REST API.
• Added Redis server-assisted client-side caching to improve performance.
• Configured NGINX load balancing to handle up to 30,000 concurrent requests.
• Shipped new user-facing features and improved existing ones.

• Maintained ongoing projects and launched new ones within an Agile team.
• Built multiple web apps using PHP and the Symfony framework.
• Developed internal apps and microservices on PHP back ends.
• Created custom WordPress plugins/themes and resolved configuration/upgrade issues.
• Translated wireframes and UX flows into functional, accessible interfaces.

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