Backend Developer - Systems & Protocols
Legrand Care
Municipality of Majadahonda, Spain
3 days ago
Role details
Contract type
Permanent contract Employment type
Full-time (> 32 hours) Working hours
Regular working hours Languages
English Experience level
SeniorJob location
Municipality of Majadahonda, Spain
Tech stack
API
Amazon Web Services (AWS)
Databases
Linux
Memory Management
Amazon DynamoDB
Python
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
Job 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
Requirements
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 ?