Software Engineer (Intern, C#)

Interns are NOT eligible for equipment and other benefits as the position is temporary.

About the Role

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.

Interns are NOT eligible for equipment and other benefits as the position is temporary.

What You’ll Learn & Do:

• 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

Required Qualifications:

• 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

Good to Have (but not required):

• 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)

What We’ll Teach You:

• C# and modern .NET backend development
• Designing and implementing REST APIs
• Working with databases and data access layers
• Clean code and basic backend architecture principles
• Debugging, testing, and performance basics
• Collaboration in an Agile engineering environment
• How production backend systems are built and maintained

Technology Stack You’ll Work With:

• Programming: C#, .NET 9.0
• Backend: ASP.NET Core
• Messaging & Events: Apache Kafka
• Databases: PostgreSQL
• Tools: Git, CI/CD pipelines, logging & monitoring tools
• Testing: Unit and integration testing

Learning Opportunities:

• Mentorship from experienced backend developers
• Exposure to scalable backend architectures
• Hands-on experience with real production systems
• Understanding how backend services support large platforms
• Contribution to products used by students and educators globally

What We Offer For Interns:

• Internship Duration: from 2 months or more
• Type of internship:
  • 100% remote
  • or hybrid in the office in Bremen (GER), Sofia (BG), Belgrade (SRB), Istanbul (TR), Sakarya (TR), Singapore (SGD)

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