Backend Developer – Systems & Protocols (m/w/d)

Description

Summary: This role involves developing and optimizing backend services, focusing on system-level engineering, networking, and protocol management in a cloud-native environment. Highlights: 1. Design and implement backend services handling TCP/TLS communication 2. Optimize performance and memory usage for containerized services 3. Collaborate on API and data model design, contributing to system reliability **Role Summary** 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 **Role Requirements / Must have** * 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 Job Type: Full\-time Pay: From 1\.00€ per year Application Question(s): * 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 ? Work Location: Hybrid remote in Majadahonda, Madrid provincia (Majadahonda)