Hiring: Backend Cloud-Native Engineer (Java, AWS, Kubernetes) Role Location & Working Model: ~100% Remote (within Spain) ~ Candidate must be based in Spain, No Sponsorship Available Role Summary We are looking for a Backend Cloud-Native Engineer to design, develop, and maintain scalable backend services and APIs within an AWS cloud environment. The role requires strong expertise in Java/Spring , cloud-native architectures, microservices, Docker, and Kubernetes, with exposure to modern technologies such as Go, Event-Driven Architecture, and Infrastructure as Code .

Key Responsibilities Design, develop, and maintain backend services and REST APIs using Java (Spring Boot) . Develop and support microservices in AWS cloud environments . Contribute to the adoption and evolution of Go as part of the technology stack.

Define and maintain API specifications using OpenAPI . Build and operate solutions using AWS services such as Lambda and DynamoDB .



Design and implement cloud-native and distributed architectures . Manage containerized applications using Docker and deploy them on Kubernetes .

Apply engineering best practices including: Automated Testing Test-Driven Development (TDD) Software Quality Standards Develop basic automation scripts using Bash . Collaborate with development, platform, and infrastructure teams. Drive platform improvements through new technologies and architectural patterns. Support event-driven and messaging-based solutions. Improve application performance, scalability, and reliability.

Preferred Skills Python ( FastAPI ) OpenAPI / Swagger Go (Golang) Testing frameworks and TDD Bash scripting AWS Messaging Services ( SQS, SNS ) Helm Terraform Event-Driven Architecture If you’re interested or know someone suitable, feel free to reach out:

📌 Backend Cloud Native Engineer (Madrid)
🏢 Hays
📍 Madrid