Senior Java Developers - AWS, Madrid

Plexus

📍 Madrid, Community of Madrid, Spain

Indefinido Computer Occupations Posted March 03, 2026

Job Description

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-d...