Senior Full-stack Engineer (TypeScript / AI Platform)

We are building an AI platform that integrates directly with business systems and powers intelligent automation. This is not just another SaaS backend. You'll work on systems that process structured business data and drive AI-based workflows at scale. Manta is an end-to-end trustable, Cloudflare deployed AI CMO agent that uses a per-user agent system approach to make hyper-personalized Action Plans for marketing companies, which manages the ad accounts for our customers. Using an in-house Context Graph-backed system you will build APIs and visualizations for cross-platform workflow visualizations and monitoring, dynamic validations and user-controllable agentic execution. On top of the above, you will take part in making sure the underlying Knowledge Graph is kept up to date in real-time with the latest data, with a fleet of Cloudflare Durable Objects consuming streams of data from a variety of integrations. What You Will DoBuild and extend our agents using the Cloudflare Agents SDK and Durable Objects Develop visualizations of massive action plans, with data and integrations spanning Meta, Google, Shopify and WooCommerce and more. Contribute to schema-driven integration tooling built from our internal data models Work on edge computing services that process and stream structured datasets Help scale per-tenant data environments powering AI decision logic using Knowledge/Context Graphs Design and maintain scalable APIs and full-stack systems in TypeScript Monitor user journeys using Posthog and take part in customer interviews to drive the next steps What We're Looking For5+ years full-stack Typescript engineering experience Experience working with LLM APIs or AI-driven workflows Experience building GraphQL APIs (yoga-server) Cloud and distributed systems experience Solid understanding of graph databases and edge-based data processing systems Comfortable working in a small, senior team with ownership Nice to have:Cloudflare Worker/Durable Object/Agents SDK experience Node-based UI (xyflow) experience RDF/JS, SPARQL experience Experience with event-driven or streaming systems Exposure to data-heavy/large domain applications Startup experience Why Join usWork on post-LLM AI systems, that go way beyond simple chat interfaces Small senior team with strong technical standards Real ownership and architectural influence Remote-first with flexibility Competitive compensation with equity What We Offer Real ownership - shape architecture and product decisions from day one Technically ambitious product - build post-LLM AI systems beyond simple chat interfaces Small senior team - collaborate with experienced engineers in a focused environment Modern stack - TypeScript, Cloudflare infrastructure, AI workflows, distributed systems Remote-first setup - flexible work with async collaboration Competitive salary + equity - share in the upside as we grow