Recently posted internship

Backend Developer Internship (Node.js and C#) in Jerez de la Frontera

Controlnet Web S.L.

Cádiz , Jerez de la Frontera
IT and Telecommunications
5 CVs sent
Internship agreement
Unpaid job offer
Hybrid
Working hours: Full-time

Apply by email

Send your CV directly by email to save time: oferta20817524@ofertas.jobfie.es

What does this internship involve?

Would you like to start your professional career in a growing technology company? At Controlnet Web S.L., we are looking to hire a Backend Developer Intern to join our team and participate in real software development projects.

This is a unique opportunity to gain practical experience in a professional environment, collaborating in the design and development of innovative technological solutions.

In this position, you will have the opportunity to...

Develop backend solutions using Node.js and C#, as well as create API modules and participate in the implementation of simple web interfaces with HTML and CSS. You will be part of international projects, working with documentation and technical requirements in English, and participating in meetings with clients and multidisciplinary teams.

Additionally, you will apply good programming practices, Clean Code, and SOLID principles, ensuring the quality, structure, and maintainability of the code. You will become familiar with task management and requirement tracking in real projects.

Job Requirements

Experience: No prior experience is required, but motivation to learn and develop in the software development field is essential.

Technical stack: Node.js, C#, HTML, CSS.

Knowledge: Training or prior knowledge in programming is required, especially in C# and backend technologies.

Languages: Sufficient English level for technical documentation, task tracking, and communication in meetings.

Additional knowledge: Familiarity with Artificial Intelligence tools and technologies applied to software development and automation solutions will be valued.

Your experience on the team

Work mode: Hybrid: 3 days in the office and 2 days remote per week.

Start date: November 2026.

Training: Practical learning on real projects and guidance in applying good development practices.

If you are looking for a training experience that complements your software development education and allows you to work in an international environment, send your CV through the platform and take the first step in your professional career with Controlnet Web S.L.

What do you need for this internship?

What you need to know

HTML
NODE.JS
C#

Additional requirements

Education Particular and equivalent Professional education (higher grade), plastic arts, design and sports
Experience No previous experience required
Start date In a short time
Languages English (Advanced)

These skills would make you stand out

CSS3
ARTIFICIAL INTELLIGENCE
SOLID PRINCIPLES

Additional information

Published: 09-09-2026
Expires: 08-12-2026
ID: 20817524
Category: Computer programmer
Area: Technology and informatics

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