Avooq

Full-Stack AI Engineer

Avooq

full-time

Posted on:

Location Type: Hybrid

Location: Madrid • Spain

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Tech Stack

AWSCloudGraphQLJavaScriptNext.jsNode.jsPostgresReact

About the role

  • Lead infrastructure migration: Transition to custom cloud infrastructure (Vercel/AWS/Supabase) ensuring zero downtime and full functionality.
  • Build scalable web systems: Architect React/Next.js, Node.js applications handling 1000+ concurrent users with optimal performance
  • Integrate and optimize AI systems: Deploy production-grade LLM integrations (OpenAI/Groq) with efficient token management and high concurrency.
  • Maintain and monitor: Implement monitoring, debugging, and optimization for long-term system reliability and cost efficiency

Requirements

  • 5+ years experience architecting full stack web systems (React/Next.js, Node.js, PostgreSQL)
  • Proven track record scaling web apps to production with real user traffic
  • Expertise deploying and optimizing AI/LLM systems in production environments
  • Mastery of cloud infrastructure (Vercel, AWS, Supabase), APIs (REST/GraphQL), Git workflows
  • Ability to deliver complex, production-ready systems in 1/3 the estimated time
  • Excellent problem-solving skills
Benefits
  • Salary + meaningful equity ownership
  • Flexible work model — on-site preferred, remote considered
  • Collaborative environment with massive growth potential
  • Direct impact on fast-growing AI startup with real traction
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
ReactNext.jsNode.jsPostgreSQLAI systemsLLM integrationscloud infrastructureAPIsGit workflowsscalable web systems
Soft Skills
problem-solvingleadershipcommunicationorganizational