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 .
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📌 Cloud Engineer (Aws Serverless) – Spain Only (Madrid)
🏢 Infoser Technological Solutions, Hardware, Big Data Experts
📍 Madrid