Middle Software Engineer (Python, INTEGRATIONS) job opportunity at Constructor TECH.

Home Jobs In Bulgaria Tag: Research & Development Middle Software Engineer (Python, INTEGRATIONS) position at Constructor TECH


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Constructor TECH Middle Software Engineer (Python, INTEGRATIONS)
Experience: 5-years
Pattern: full-time
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Research & Development

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loacation Sofia,, Bulgaria
loacation Sofia,....Bulgaria

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. DUTIES & RESPONSIBILITIES:  Design, develop, and maintain integrations for the Constructor Platform.  Participate in code reviews and provide feedback to peers.  Write robust, maintainable, and well-tested code.  Consult and support 3rd-party developers integrating with the Constructor Platform.  QUALIFICATION & EXPERIENCE:  5+ years of professional backend development experience.  Knowledge of FastAPI (or similar modern frameworks) and asynchronous programming in Python.  Solid understanding of programming principles (e.g., SOLID, dependency injection, clean architecture).  Understanding of microservices and communication patterns (sync/async, event-driven).  Familiarity with CI/CD pipelines.  Problem-solving skills and autonomy.  Fluent in spoken and written English.  Excellent communication skills.  Nice-to-Have:  Experience in C# and PHP.  Basic front-end skills.   Experience integrating with LLM APIs (OpenAI, Anthropic).  Familiarity with LangChain / LangGraph and RAG architectures.  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.
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