AI-Native Full Stack

Job Overview: As an AI-Native Full Stack / Developer Experience Engineer, you will design and build next-generation developer experiences for the Global BaaS platform, including developer portals, SDKs, sandboxes, and AI-driven documentation and support. This growing team offers an exciting opportunity to develop your career within a professional Services organization.

Location: Madrid, Spain Type of Employment- Permanent

Responsibilities - Build and maintain API developer portals using Apigee Developer Portal, React, Next.js, and TypeScript. - Own sandbox and testing environments (Postman collections, contract tests) for external partners and internal teams. - Implement developer-facing features: SDK generation (multi-language), semantic API discovery, usage analytics, and API monetization support (metering hooks). - Automate documentation and changelog generation with LLM-assisted tools; own versioning and validation of docs. - Provide conversational developer support (ChatOps) via ChatGPT Enterprise-backed agents, integrated into the portal and Slack. - Implement front-end tools for SLA tracking, developer telemetry, and visualization of API workflows. - Collaborate with Platform (Global BaaS) for gateway integrations and Backend Leads for sample apps and domain examples. - Maintain CI/CD for DevEx services and ensure observability (Prometheus, Datadog).

Minimum Qualifications - Experience with semantic search, vector stores, and conversational AI for developer support. - Familiarity with Camunda or Apache Camel for orchestrating developer tooling workflows. - Proficiency in English and Spanish (tested) Preferred Qualifications/ Skills - Strong proficiency in React, Next.js, TypeScript, and Node.js. - Experience with Apigee Developer Portal and API SDK generation. - Familiarity with OpenAPI 3.1, contract testing, and sandbox management. - Experience integrating LLM-based documentation tooling and ChatOps assistants Core Tech Stack - Frontend: React, Next.js, TypeScript - Backend: Node.js (NestJS/Express), Python (FastAPI) for tooling microservices - API Management & Portal: Apigee Developer Portal - Testing & Sandbox: Postman, Pact, JMeter, K6 - Observability: Prometheus, ELK, Datadog - CI/CD & IaC: GitHub Actions, ArgoCD, Terraform - AI Tools: ChatGPT Enterprise, GitHub Copilot, OpenAI/Azure AI for doc automation - Security: OAuth 2.1, OIDC, mTLS where applicable AI-Native & DX Practices - Use LLM-based generation for docs, changelogs, SDKs, and example code; enforce review gates. - Provide semantic search (vector DB-backed) in the portal for API discovery. - Offer a conversational assistant with governed LLMOps practices and audit logging