Software Engineer (Intern, C#)

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)

What We Offer

• 💻 Choice of work equipment (e.g., laptop, monitor, etc.)
• 🇬🇧 English classes (iTalki – $130 monthly)
• ⏰ Flexible schedule (we usually work between 09:00/10:00 and 18:00/19:00)
• 👶 Newborn bonus (€500 per child)
• 🧠 Patent remuneration
• 🌴 Paid leave
• 🧑‍💻 Remote work in locations without our offices
• Hybrid work in locations with offices (2 days in-office, 3 days remote)

Constructor fosters equal opportunity for people of all backgrounds and identities. We are led by a gender-balanced board committed to building a diverse and inclusive organisation where everyone can become their best self. We do not discriminate based on age, disability, gender identity, sexual orientation, ethnicity, race, religion or belief, parental and family status, or other protected characteristics. We welcome applications from women, men and non-binary candidates of all ethnicities and socio-economic backgrounds. We encourage people belonging to underrepresented groups to apply.

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Quelle: Statistisches Bundesamt (Destatis), Tabelle; dl-de/by-2-0; eigene Berechnung

Veröffentlicht am 04. Nov. 2026