Node.js Developer (Vercel + Google Analytics Expert)

Description We are looking for an experienced Node.js developer to build and deploy a web application within our existing infrastructure. This is for an individual developer only. Agencies or outsourcing teams should not apply. The focus is high-fidelity implementation of provided UI designs and reliable production integration across modern hosting environments. Deployment may involve platforms such as Vercel, Cloudflare, or existing internal systems depending on setup. Responsibilities Develop a Node.js-based web application Integrate and deploy within existing infrastructure (Vercel / Cloudflare / internal systems) Ensure stable production performance and debug issues as needed Implement Google Analytics with custom event tracking and conversions Translate UI designs into a pixel-accurate, responsive implementation Work with existing CMS or backend systems where required Maintain clean Git-based workflow (GitHub/GitLab) Requirements Strong experience with Node.js Experience deploying applications in modern web environments Familiarity with Google Analytics and event tracking concepts Strong attention to UI detail and design fidelity Ability to integrate into existing systems (not just build from scratch) Strong debugging and production troubleshooting skills Nice to Have Experience with Vercel deployment and serverless functions Cloudflare Workers or CDN configuration experience Next.js experience Experience working with custom CMS or internal tools SaaS or dashboard-style applications Payment & Milestones All work will be funded via Upwork milestones. Final milestone will be released after: Successful deployment to production Completion of a short post-launch verification period Final review and approval of the application To Apply Please include: Relevant Node.js projects Examples of deployments you’ve worked on (Vercel, Cloudflare, or similar) Experience with Google Analytics or event tracking setups Brief explanation of how you ensure pixel-perfect UI implementation