Overview In this Senior Full Stack Engineer role, you own end-to-end delivery for Duetto's core revenue platform, driving a major monolith-to-microservices migration. You'll work across Java/Spring Boot backends and TypeScript/React frontends, shaping scalable systems and high-quality user experiences. You'll operate with strong architectural judgment, collaborating with product, design, and engineering to elevate end-user value.
The position emphasizes AI-assisted development and building scalable, testable software in a fast-moving, autonomous environment.
Compensaciones / Ventajas remote work (fully remote)
high-autonomy IC role impactful work in hospitality tech opportunity to shape AI-augmented workflows inclusive work environment
Responsabilidades Own full-stack feature delivery from requirements to production across Java/Spring Boot microservices and TypeScript/React frontends
Architect and convert prototypes into scalable, maintainable production systems
Lead the migration of legacy monoliths using Domain-Driven Design and event-driven patterns
Champion automated end-to-end testing (Cypress or Playwright) and data-driven testing practices
Mentor peers on prompt engineering, AI-assisted development, and code review in a generate-and-review workflow
Contribute to and improve AI-augmented engineering workflows, building skills, agents, and pipelines to accelerate delivery velocity
Requisitos principales 4–6 years of full-stack engineering with production depth (backend and frontend)
Proficiency in Java and Spring Boot for enterprise backend development
Proficiency in TypeScript and React for modern web apps
Experience building and maintaining GraphQL APIs
Solid SQL and NoSQL knowledge (MongoDB)
Hands-on experience with end-to-end testing frameworks (Cypress or Playwright)
Understanding of microservices architecture and event-driven integration patterns
Experience with Claude Code CLI or similar AI code generation tools strong collaboration with Product, Design, and Engineering teams ability to make independent architectural decisions mentorship and knowledge sharing
GraphQL APIs
MongoDB (NoSQL)
Cypress or Playwright
📌 Senior Full Stack Engineer (Valladolid)
🏢 Duetto
📍 Valladolid
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