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Software Engineer (Intern, C#)

Constructor Tech Bremen, Germany
On-site work

Publication date: 29/08/2026

We’re seeking a motivated Computer Science student to join our backend engineering team as a C# Backend Developer Intern. This is an excellent opportunity to learn backend development while working on real-world educational platforms that support learners, educators, and institutions worldwide.

Responsibilities

Learn backend development using C# and .NET; Contribute to real backend services used in production; Assist in developing and maintaining REST APIs; Work with databases and learn how data is modelled and accessed; Participate in code reviews and learn clean coding best practices; Collaborate with frontend, QA, and product teams; Contribute to backend services supporting learning platform functionality and various integrations; Gain exposure to the full software development lifecycle

Requirements

Current Computer Science / Software Engineering student; Experience with at least one programming language (C#, Java, Python, JavaScript, C++, or similar); Basic understanding of object-oriented programming concepts; Interest in backend development and distributed systems; Good problem-solving skills and attention to detail; Ability to work collaboratively in a team environment; Eagerness to learn and grow as a software engineer

Nice to have

Basic knowledge of C# and .NET; Familiarity with RESTful APIs; Introductory understanding of databases (SQL or NoSQL); Experience using Git or other version control systems; Basic knowledge of HTTP, JSON, and web concepts; Interest in educational technology (EdTech)
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