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# Backend Developer - Systems & Protocols

- **Company:** Legrand Care
- **Location:** Majadahonda, Spain
- **Contract:** Permanent contract
- **Skills:** Application Programming Interfaces (APIs), Amazon Web Services, Databases, Linux, Memory Management, Amazon DynamoDB, Python (Programming Language), PostgreSQL, Linux System Administration, Networking Basics, Network Protocols, Redis, TCP/IP, Transmission Control Protocol (TCP), Transport Layer Security, Software Troubleshooting, Reliability of Systems, Backend, Containerization, Kubernetes, Docker
- **Published:** May 30, 2026
- **Apply:** https://es.indeed.com/viewjob?jk=9aacab67ee5a4c5e

## About the Role

Do you have experience in Scalability?, * 5-8 years of backend development experience

 * Strong Linux and container expertise
 * Solid knowledge of TCP/IP, TLS, and networking fundamentals
 * Proficiency in Python and openness to Rust
 * Strong experience with AWS, DynamoDB, PostgreSQL, and Redis
 * Detail-oriented and performance-conscious mindset
 * Strong troubleshooting and collaboration skills
 * Fluent professional English, * Do you have hands-on experience developing backend services handling TCP/TLS communication and networking protocols?
 * Do you have strong experience working in Linux environments and deploying containerized applications (e.g., Docker/Kubernetes)?
 * Do you have experience with AWS and databases such as DynamoDB, PostgreSQL, or Redis?
 * What is your salary expectation ?

## Description

The Backend Developer - Systems & Protocols will focuse on backend services with strong emphasis on system-level engineering, networking, performance, and protocol management within a cloud-native environment.

Role Responsibilities

 * Design and implement backend services handling TCP/TLS communication
 * Manage connection lifecycles
 * Optimize performance and memory usage
 * Develop containerized services on Linux
 * Collaborate on API and data model design
 * Contribute to system reliability and scalability


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