Infoser NT is looking for a Senior Cloud Engineer with strong expertise in Python, FastAPI, and AWS Serverless , to join a modern, international cloud-native engineering environment .

You will play a key role in building secure, scalable, and high-performance backend services , contributing to cloud enablement and next-generation platform solutions on AWS.

What You'll Do

Design and develop high-performance APIs and microservices using Python and FastAPI

Build and evolve cloud-native applications on AWS

Implement event-driven architectures and asynchronous systems

Develop and scale serverless solutions using AWS services (Lambda, API Gateway, DynamoDB, S3, EventBridge, Step Functions)

Design and manage data pipelines (e.g., SQS, Kinesis)

Implement identity and access management using AWS IAM, Cognito, and SCIM

Apply DevSecOps and secure coding practices across the development lifecycle

Contribute to security through vulnerability management and secure API design

Collaborate with engineering, cloud, and security teams in agile environments

Maintain clear technical documentation and API specifications

What We're Looking For

5+ years of experience in backend or cloud engineering

Strong expertise in Python and FastAPI





Hands‐on experience with AWS cloud services

Solid understanding of serverless and event‐driven architectures

Experience designing and building scalable APIs

Familiarity with CI/CD and DevSecOps principles

Knowledge of AWS IAM and access management

Nice to Have

Experience with Terraform

Knowledge of SCIM, OAuth2, or Cognito

Background in application security and automated testing

Experience in enterprise cloud environments

Familiarity with GitHub Enterprise

You are a hands‐on engineer with strong analytical skills and a passion for building modern, scalable solutions in AWS.

You thrive in cloud‐native environments , prioritize security, and enjoy collaborating with international teams.

What We Offer

International, cutting‐edge AWS cloud projects

Exposure to serverless, DevSecOps, and platform engineering

Collaborative, agile, and multicultural environment

Opportunity to contribute to cloud enablement initiatives

Versátil setup (remote‐friendly within Spain)

If you enjoy building modern backend solutions on AWS and want to make an impact in a high-performance engineering environment, we'd love to hear from you .

📌 Cloud Engineer (AWS + Python) - Spain Only (Madrid)
🏢 Infoser Technological Solutions, Hardware, Big Data Experts
📍 Madrid