{"id":2353041,"url":"https://alion.io/job/constructor-tech-software-engineer-intern-c","title":"Software Engineer (Intern, C#)","company":{"id":1984326,"name":"Constructor Tech","domain":"constructor.tech","url":"https://alion.io/company/constructor-tech","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"D","score":54,"open_postings":51,"ghost_share":0.765,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-10-13T05:45:00Z"}},"role":"Backend","role_family":"Backend","seniority":"intern","employment_type":"internship","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Bremen, Germany","Bulgaria"],"countries":["DE","BG"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"C#","optional":false},{"name":"C++","optional":false},{"name":"JavaScript","optional":false},{"name":"Python","optional":false},{"name":"Rest API","optional":false},{"name":"Agile","optional":true},{"name":"Apache Kafka","optional":true},{"name":"ASP.NET Core","optional":true},{"name":"CI/CD","optional":true},{"name":"Git","optional":true},{"name":"PostgreSQL","optional":true},{"name":"SQL","optional":true}],"status":"live","first_seen_at":"2026-02-02T13:34:24Z","employer_posted_date":"2026-08-18","last_verified_at":"2026-10-13T23:54:43Z","board_verified":true,"closed_at":null,"days_open":253,"trust":{"level":"ghost","repost_count":0,"flags":["stale","company_stale"],"days_open":252},"description":"Our mission\nConstructor’s mission is to enable all educational organisations to provide high-quality digital education to 10x people with 10x efficiency. \nWith 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.\nPlease send your resume in English only.\nInterns are NOT eligible for equipment and other benefits as the position is temporary.\nAbout the Role\nWe’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.\nInterns are NOT eligible for equipment and other benefits as the position is temporary.\nWhat You’ll Learn & Do:\nLearn backend development using C# and .NET\nContribute to real backend services used in production\nAssist in developing and maintaining REST APIs\nWork with databases and learn how data is modelled and accessed\nParticipate in code reviews and learn clean coding best practices\nCollaborate with frontend, QA, and product teams\nContribute to backend services supporting learning platform functionality and various integrations\nGain exposure to the full software development lifecycle\nRequired Qualifications:\nCurrent Computer Science / Software Engineering student\nExperience with at least one programming language (C#, Java, Python, JavaScript, C++, or similar)\nBasic understanding of object-oriented programming concepts\nInterest in backend development and distributed systems\nGood problem-solving skills and attention to detail\nAbility to work collaboratively in a team environment\nEagerness to learn and grow as a software engineer\nGood to Have (but not required):\nBasic knowledge of C# and .NET\nFamiliarity with RESTful APIs\nIntroductory understanding of databases (SQL or NoSQL)\nExperience using Git or other version control systems\nBasic knowledge of HTTP, JSON, and web concepts\nInterest in educational technology (EdTech)\nWhat We’ll Teach You:\nC# and modern .NET backend development\nDesigning and implementing REST APIs\nWorking with databases and data access layers\nClean code and basic backend architecture principles\nDebugging, testing, and performance basics\nCollaboration in an Agile engineering environment\nHow production backend systems are built and maintained\nTechnology Stack You’ll Work With:\nProgramming: C#, .NET 9.0\nBackend: ASP.NET Core\nMessaging & Events: Apache Kafka\nDatabases: PostgreSQL\nTools: Git, CI/CD pipelines, logging & monitoring tools\nTesting: Unit and integration testing\nLearning Opportunities:\nMentorship from experienced backend developers\nExposure to scalable backend architectures\nHands-on experience with real production systems\nUnderstanding how backend services support large platforms\nContribution to products used by students and educators globally\nWhat We Offer For Interns:\nInternship Duration: from 2 months or more \nType of internship: 100% remote \nor hybridin the office in Bremen (GER), Sofia (BG), Belgrade (SRB), Istanbul (TR), Sakarya (TR), Singapore (SGD) \n\nWhat We Offer\n Choice of work equipment (e.g., laptop, monitor, etc.)\n English classes (iTalki - $130 monthly)\n Flexible schedule (we usually work between 09:00/10:00 and 18:00/19:00)\n Newborn bonus (€500 per child)\n Patent remuneration\n Paid leave\n Remote work in locations without our offices\n Hybrid work in locations with offices (2 days in-office, 3 days remote)\nConstructor 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. 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