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# Senior Java Developers - AWS, Madrid

- **Company:** Plexus
- **Location:** Madrid, Spain
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Application Programming Interfaces (APIs), Amazon Web Services, Amazon DynamoDB, Github, Identity and Access Management, Microsoft Message Queuing, NoSQL, Software Engineering, Data Logging, Software Repository, Delivery Pipeline, AWS Lambda, Bitbucket, Cloudwatch, Api Gateway, Serverless Computing
- **Published:** May 19, 2026
- **Apply:** https://www.empleate.gob.es/empleo/#/oferta/1850022657

## About the Role

Senior Java Developers - AWS Details Join Plexus Tech. We are looking for technical professionals with in-depth knowledge of software design, patterns, and architectures. Experience with AWS and the ability to make complex technical decisions are required. Requirements: - AWS Lambda - serverless functions (synchronous and asynchronous invocation, error handling, timeout, retries). - Amazon API Gateway - expose Lambdas as REST or HTTP APIs. - AWS IAM (Identity and Access Management) - for permissions management (execution policies, access to DynamoDB, logs, etc.). - AWS CloudWatch - logs, metrics, and alerts for Lambdas. - AWS Step Functions (optional) - for orchestrating flows between Lambdas. - AWS SQS / SNS (optional but common) - for queuing/messaging between serverless services. - NoSQL data modeling (tables, partition keys, and sort keys). - Secondary indexing (LSI and GSI). - Control of Throughput (on-demand vs. provisioned) Integration with Git repositories (GitHub,
Bitbucket, CodeCommit). Basic CI/CD pipelines: GitHub Actions, AWS CodePipeline, etc. IAM principal configuration Secure handling of environment variables and secrets (with AWS Secrets Manager or SSM Parameter Store). Structured logging and traceability (important in environments where things change frequently). With our hybrid model, Flexology lets you work from wherever your talent flows best: from any of our 24 work centers in Spain, from home, or a combination of both. The Plexus Tech work ecosystem fosters a collaborative environment within the company. Work with leading professionals Access to ongoing training Career development opportunities Flexible compensation including health insurance, meal vouchers, childcare, and transportation java, AWS



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