Senior Backend Engineer — Generative AI (Remote)

Zartis; España; Presencial; EUR 60.000 - 90.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Remote work

WFH allowance

Career growth

Training

Mentoring Program

Wellbeing hub

Multicultural environment

Descripción de la vacante

Zartis is seeking a Senior Backend Engineer to join a distributed engineering team delivering production-grade applications powered by Generative AI. You will design and develop scalable backends with Node.js/TypeScript, deploy on AWS, and advance AI-powered products in production.

This fully remote role emphasizes ownership, reliability, and clean architecture. Join a global engineering hub with cutting-edge AI initiatives, focusing on secure, observable, and cost-efficient solutions while

Formación

• Extensive backend experience with Node.js and TypeScript.
• Production-ready Generative AI integrations on AWS.
• Experience with serverless and container-based architectures.
• Strong collaboration and problem-solving skills.

Responsabilidades

• Design, develop, and deploy scalable backends using Node.js/TypeScript.
• Integrate Generative AI and LLM capabilities into production systems.
• Design AWS cloud architectures across serverless and containers.
• Operate container workloads with EC2, ECS/EKS, Kubernetes.
• Implement RAG, tool calling, context management and indexing.
• Ensure security, observability, latency/cost efficiency in production.

Conocimientos

Node.js

TypeScript

AWS

Serverless

Kubernetes

Bedrock / LLM

LLM integration

Security & Observability

Communication

Ownership

Herramientas

Node.js

TypeScript

AWS

Kubernetes

EC2/ECS/EKS

Bedrock

LLM tooling

CI/CD

Descripción del empleo

Zartis is seeking a Senior Backend Engineer to join a distributed engineering team delivering production-grade applications powered by Generative AI. You will design and develop scalable backends with Node.js/TypeScript, deploy on AWS, and advance AI-powered products in production.

This fully remote role emphasizes ownership, reliability, and clean architecture. Join a global engineering hub with cutting-edge AI initiatives, focusing on secure, observable, and cost-efficient solutions while