We are seeking a Senior Full Stack Engineer to design and build production grade Model Context Protocol (MCP) servers and AI-powered UIs that power our internal AI agent platform.This role spans backend MCP server architecture, LLM tool integration, and interactive React dashboards delivering secure, scalable systems at enterprise standards.Key ResponsibilitiesMCP & Backend EngineeringDesign and maintain MCP servers using the MCP SDK with stateless, per-request architectureRegister and validate MCP tools (Browse, Data, Mutation) with strong schema enforcementBuild REST APIs with Express and App RouterIntegrate MCP tools with Azure OpenAI function calling, managing multi-turn tool loops and token limitsConfigure containerized deployments with Docker and NginxFrontend & AI InterfacesBuild self contained React 19 dashboard applications bundled as single file MCP resourcesDevelop and maintain the chatbot UI with inline tool rendering and multi-mode embeddingImplement clean component architecture using Tailwind CSS and modern UI librariesSecurity & ArchitectureImplement secure enterprise authentication (OAuth2, Azure Entra ID, JWT)Design stateless, distributed, containerized architecturesEnsure high code quality with strong testing practices (TDD mindset)Required ExpertiseStrong TypeScript (strict typing, async/await, ESM modules)React 19, App Router, ExpressProven experience building MCP servers (critical requirement)Azure OpenAI / OpenAI API integration with function callingDeep understanding of token limits and LLM orchestration patternsOAuth2, Azure Entra ID/SSO, JWT handlingDocker and distributed systems fundamentalsNice to HaveBroader MCP ecosystem experienceAI frameworks (LangGraph, LangChain, Langfuse)Azure Container Apps, ACR, GitHub ActionsObservability tooling (e.g., Datadog)Experience with AI-assisted development workflowsWhy Join UsWork in a modern software development company with international clientsBe part of a collaborative, supportive teamLearn how tech recruitment works end-to-endFlexible working model and long-term growth opportunitiesCompany apartments in cool cities across Europe: work and enjoy a memorable getawayAbout UsWe are a software house with 18 years of experience and a global portfolio of projects. We help businesses modernize, scale, and innovate through custom software solutions. Our team embraces unconventional ideas and new technologies, delivering solutions with real impact. If you value professionalism, creativity, and a strong engineering culture, you'll feel at home here.Job Type: Full-timePay: €54,000.00-€120,000.00 per yearBenefits:Work from homeExperience:Model Context Protocol: 5 years (required)Work Location: Remote