Junior Backend Engineer — Madrid

Serval Networks; Madrid; Remote; EUR 3,000 - 4,000; Full time

Benefits offered by this job

Health benefits

Professional development

Remote-friendly environment

Job summary

Serval Networks seeks a junior backend software engineer to join their Madrid-based technology hub. This role targets recent graduates eager to develop backend skills, contributing to design, development, and maintenance of scalable software solutions.

You’ll work with experienced engineers, participate in code reviews, and learn best practices in a collaborative, remote-friendly environment. A strong foundation in software development and problem-solving is essential.

Qualifications

• Bachelor's degree in Computer Science, Engineering, or related field.
• Solid understanding of backend development principles.
• Proficiency in at least one modern backend language (e.g., Python, Java, Node.js, Go).
• Familiarity with web frameworks (Django, Flask, Spring Boot, Express.js).
• Knowledge of relational and NoSQL databases.
• RESTful API design principles.
• Experience with version control (Git).
• Strong problem-solving and analytical skills.
• Excellent communication and teamwork in a remote environment.

Responsibilities

• Design, develop, and maintain backend services and APIs.
• Write clean, efficient code in Python, Java, or Node.js.
• Collaborate with frontend developers and product managers.
• Implement security and data protection measures.
• Participate in code reviews and knowledge sharing.
• Troubleshoot and debug backend issues.
• Contribute to architecture and design decisions.
• Optimize for speed, scalability, and performance.
• Work with SQL/NoSQL databases to store and retrieve data.

Skills

Java

Python

C++

JavaScript

Git

Data structures

Algorithms

Problem solving

Teamwork

Communication

Education

Bachelor's degree in Computer Science or related

Tools

Django

Flask

Spring Boot

Express.js

Git

Job description

Serval Networks seeks a junior backend software engineer to join their Madrid-based technology hub. This role targets recent graduates eager to develop backend skills, contributing to design, development, and maintenance of scalable software solutions.

You’ll work with experienced engineers, participate in code reviews, and learn best practices in a collaborative, remote-friendly environment. A strong foundation in software development and problem-solving is essential.