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Senior Javascript Software Engineer

Jobtailor

barcelona, kingdom of spain, Spain Full-time July 16, 2026

Found Description

Responsibilities

- Design, develop, and maintain scalable backend services using Node.Js.
- Build and optimize cloud-native applications on AWS.
- Develop and maintain event-driven and messaging-based architectures using SQS and SNS.
- Design and manage serverless solutions with AWS Lambda.
- Work with DynamoDB to build high-performance, scalable data solutions.
- Collaborate with cross-functional teams to deliver reliable, low-latency backend services.
- Monitor, troubleshoot, and optimize system performance, availability, and scalability.
- Participate in code reviews and contribute to engineering best practices.

Requirements
  • +5 years of experience working as a Frontend Engineer.
  • Strong experience with Node.Js and backend application development.
  • Hands‑on experience with AWS, including: EC2, Lambda, SQS, SNS, DynamoDB.
  • Experience designing and developing scalable distributed systems.

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