Infoser NT is looking for aSenior Cloud Engineerwith strong expertise inPython, FastAPI, and AWS Serverless, to join a modern, internationalcloud-native engineering environment.
You will play a key role in buildingsecure, scalable, and high-performance backend services, contributing to cloud enablement and next-generation platform solutions on AWS.
What You'll Do
Design and develophigh-performance APIs and microservicesusing Python and FastAPI
Build and evolvecloud-native applications on AWS
Implementevent-driven architecturesand asynchronous systems
Develop and scaleserverless solutionsusing AWS services (Lambda, API Gateway, DynamoDB, S3, EventBridge, Step Functions)
Design and managedata pipelines(e.g., SQS, Kinesis)
Implement identity and access management usingAWS IAM, Cognito, and SCIM
ApplyDevSecOps and secure coding practicesacross 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 inPython and FastAPI




Hands?on experience withAWS cloud services
Solid understanding ofserverless and event?driven architectures
Experience designing and building scalable APIs
Familiarity withCI/CD and DevSecOps principles
Knowledge ofAWS IAM and access management
Nice to Have
Experience withTerraform
Knowledge ofSCIM, OAuth2, or Cognito
Background in application security and automated testing
Experience in enterprise cloud environments
Familiarity with GitHub Enterprise
You are ahands?on engineerwith strong analytical skills and a passion for building modern, scalable solutions in AWS.
You thrive incloud?native environments, prioritize security, and enjoy collaborating with international teams.
What We Offer
International, cutting?edgeAWS cloud projects
Exposure toserverless, DevSecOps, and platform engineering
Collaborative, agile, and multicultural environment
Opportunity to contribute tocloud 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.
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📌 Cloud Engineer (Madrid)
🏢 Infoser Technological Solutions, Hardware, Big Data Experts
📍 Madrid