INTERNSHIP DETAILS

Software Engineer (Intern, C#)

CompanyConstructor TECH
LocationBremen
Work ModeOn Site
PostedApril 1, 2026
Internship Information
Core Responsibilities
Interns will learn backend development using C# and .NET while contributing to real backend services used in production. They will assist in developing and maintaining REST APIs and collaborate with various teams.
Internship Type
full time
Company Size
565
Visa Sponsorship
No
Language
English
Working Hours
40 hours
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About The Company
Constructor Tech is an all-in-one software platform that covers 21+ scenarios to support the complete lifecycle of education and research, based on generative AI, MetaPresence, and neuroscience advances. It is built to cater to the needs of schools, higher education institutions, and corporate training, offering solutions for teaching, learning, research, and administration. As a part of Constructor Group, Constructor Tech has access to cutting-edge research and technologies, as well as a broad scientific, business and talent network. This helps Constructor Tech build a unique platform with a modern, open architecture and user experience, with comprehensive scenario and global coverage, to help each student, teacher, and researcher be more efficient and effective. Constructor Tech has 2,000+ partners and customers and 2.5M+ users. With a team of 300+ employees (over 50% in R&D) across 28 locations, headquartered in Switzerland and with offices in seven key locations around the globe, Constructor Tech is solving the challenges of tomorrow.
About the Role

Our mission

Constructor’s mission is to enable all educational organisations to provide high-quality digital education to 10x people with 10x efficiency. 

With strong expertise in machine intelligence and data science, Constructor’s all-in-one platform for education and research addresses today’s pressing educational challenges: access inequality, tech clutter, and low engagement of students.

Please send your resume in English only.

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) 

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 CET or EET)
  • 👶 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.

Key Skills
C#Backend DevelopmentREST APIsDatabasesObject-Oriented ProgrammingProblem-SolvingTeam CollaborationAgileGitHTTPJSONWeb ConceptsEducational Technology
Categories
TechnologySoftwareEducationEngineering
Benefits
Flexible ScheduleRemote WorkPaid LeaveNewborn BonusEnglish Classes