Senior Full-Stack AI & Cloudflare Engineer

A UK-based AI product agency is building custom client portals and web applications with embedded AI agents.

The team is launching an upcoming wellness center project involving a responsive mobile-rendered web application, a planner/journal app, WhatsApp API automated check-ins, and an AI layer powered by Cloudflare AI Gateway.

This is a senior engineering role for someone who understands core software engineering fundamentals, database schemas, API architecture, and can take ownership of production-ready delivery.

Technology context: Python, TypeScript, Cloudflare Workers, Cloudflare AI Gateway, PostgreSQL / PlanetScale, WhatsApp API.

Engagement: Full-time B2B contract.

Working hours: UK time zone overlap — GMT/BST.

Target start: In 1–2 months.

Recruiting location: Worldwide / no country restriction.

Preferred location: Eastern Europe, Balkans, Armenia, Georgia, Turkey, LATAM, etc.

• Design and build responsive web applications and client portals from scratch.
• Ensure clear front-end and back-end segregation across application architecture.
• Develop robust backend services, RESTful APIs, and database schemas using Python and Cloudflare Workers.
• Implement automated workflows, Cloudflare Schedulers, and WhatsApp integrations for automated user check-ins and notifications.
• Embed AI agents and AI layer functionality using Cloudflare AI Gateway and LLM APIs.
• Translate business requirements into simple, scalable technical solutions.
• Take complete technical ownership of project delivery, architecture, and production readiness.

• Senior-level hands-on experience with Python and TypeScript.
• Strong software engineering fundamentals, including database design, schema optimization, and API architecture.
• Experience building scalable backend APIs and deploying microservices.
• Practical experience with PostgreSQL or PlanetScale databases.
• Familiarity with Cloudflare infrastructure, including Workers, Schedulers, AI Gateway, or similar serverless edge environments.
• Experience developing or integrating AI models, AI agents, and LLM APIs into web platforms.
• Experience with third-party messaging protocols or WhatsApp API integrations.
• Ability to make sound architectural decisions, manage state properly, and write clean production-ready code.
• Good English communication skills and ability to collaborate remotely with leadership and technical stakeholders.
• Availability for UK time zone overlap.