Position: Platform Engineer / Senior Backend Software Engineer

Location:
Spain (Remote, One time
2.5-day onsite visit
to
Sant Cugat del Vallès
in September)

Duration:
Permanent / Freelance.

Overview

Seeking a
Senior Backend Engineer
to develop and maintain
cloud-native microservices and REST APIs
in AWS environments. The role focuses on scalable backend systems, Kubernetes-based deployments, API development, and platform modernization with technologies such as
Java, Spring Boot, Python (FastAPI), and Go
.

Core Responsibilities
- Develop and maintain
Java (Spring Boot)
and
Python (FastAPI)
backend services.
- Design and build
REST APIs
and microservices.
- Work with
AWS services
including Lambda and DynamoDB.




- Deploy and manage applications using
Docker
and
Kubernetes
.
- Define API specifications using
OpenAPI
.
- Implement automated testing and
TDD
practices.
- Develop automation scripts using
Bash
.
- Contribute to
Go adoption
, event-driven architectures, and platform improvements.
- Optimize system performance, scalability, and reliability.

Must-Have Skills
- Java & Spring Boot
- REST API Development.
- Strong experience with AWS
- Experience with Docker & Kubernetes
- Experience with Cloud-Native / Microservices Architectures

📌 Senior Backend Engineer (España)
🏢 Hays
📍 España