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Software Engineering Intern

Proximus
Serbia  Belgrade, Serbia
Internship, IT/Technology, English
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Job Description:

This is a full-time paid summer internship position starting on 20th July and running until the end of September.
The application deadline is 19th June.
Summary
The Software Engineer Intern is responsible for building new and improvement of existing software solutions offered to our customers as a service.
Responsibilities
*Participate in the entire software development cycle: design, development, testing, and deployment
*Design efficient, highly available and scalable technical solutions for business requirements
*Contribute to code base by producing clean and reusable source code, leveraging OOP
*Write unit tests and technical documentation
*Participate in code reviews to help increase the quality of our products
*Stay up to date with coding standards and relevant technology development

Essential Requirements
*Software development experience with OO languages (Python, C#, Java, C++, etc.)
*Strong understanding of object-oriented programming, design patterns and common algorithms.
*Relational databases knowledge (SQL Server, MySQL, PostgreSQL, etc.)
*Strong analytical and problem-solving skills with attention to detail
*Excellent oral and written communication skills
*Computer Science student/degree and/or equivalent work experience
*Familiarity with Linux platform, Git and REST API
We are offering
*Paid internship
*Organized mentorship
*Organized onboarding
*Soft skills training
*Challenging but also a friendly working environment
About Proximus Global
Proximus Global, combining the strengths of Telesign, BICS, and Route Mobile, is transforming the future of communications and digital identity. Together, our solutions fuel innovation across the world's largest companies and emerging brands. Our unrivalled global reach empowers businesses to create engaging experiences with built-in fraud protection across the entire customer lifecycle.
Our comprehensive suite of solutions - from our super network for voice, messaging, and data, to 5G and IoT; and from verification and intelligence to CPaaS for personalised omnichannel engagement - enables businesses and communities to thrive. Reaching over 5 billion subscribers, securing more than 180 billion transactions annually, and connecting 1,000+ destinations, we honour our commitment to connect, protect and engage everyone, everywhere

Source: Company website
Posted on: 05 Jun 2026
Type of offer: Internship
Job duration: 3 months
Languages: English
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