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.
Our headquarters is located in 🇨🇭Switzerland, and we also have legal entities in 🇩🇪Germany, 🇧🇬Bulgaria, 🇷🇸Serbia, 🇹🇷Turkey, and 🇸🇬Singapore
DUTIES & RESPONSIBILITIES:
- Design, develop, and maintain backend services and APIs, applying microservice architecture patterns (synchronous and asynchronous communication).
- Drive the platform's architecture, scalability, performance, reliability, and security.
- Participate in code reviews and provide feedback to peers.
- Write robust, maintainable, and well-tested code (pytest).
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):
- 🇧🇬 Sofia: 59 G. M. Dimitrov Blvd., NV Tower, 8th floor, 1700
- 🇷🇸 Belgrade: Makedonska 12, 11000 Belgrade, Serbia
- 🇹🇷 Istanbul: Rüzgarlı Bahçe Mah., Kavak Sok., Smart Plaza B Blok 31/B, 34805 Kavacık-Beykoz/İstanbul
- 🇹🇷 Sakarya: Esentepe Mh., Akademiyolu Sk., Teknoloji Geliştirme Bölgesi No. 10 D/206, Serdivan, Sakarya
- 🇹🇷 Izmir: Ege Üniversitesi Kampüsü, Erzene Mah., Ankara Cad., No:172/67, 35100 Bornova/İzmir
QUALIFICATION & EXPERIENCE:
- 5+ years of professional backend development experience.
- Strong knowledge of FastAPI (or similar modern frameworks) and asynchronous programming in Python.
- Deep understanding of microservices and communication patterns (sync/async, event-driven).
- Solid knowledge of PostgreSQL (indexes, transactions, locking).
- Experience with RabbitMQ (messaging patterns, delivery guarantees).
- Familiarity with CI/CD pipelines.
- Solid understanding of programming principles (e.g., SOLID, dependency injection, clean architecture).
- Problem-solving skills and autonomy.
- English level B2 or higher.
Nice-to-Have:
- Hands-on experience deploying and running applications in Kubernetes ( Helm is a plus).
- Exposure to vector databases (e.g., Qdrant).
- Experience integrating with LLM APIs (OpenAI, Anthropic).
- Familiarity with LangChain / LangGraph and RAG architectures.
