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

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) Postúlate en Kit Empleo: kitempleo.es/empleo/6s7epo