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Salary
$23k per year
Location
In office (Astana)

Confirmed on the employer's own hiring board on Oct 1, 2026. First seen by Alion on Sep 28, 2026.

Overview
Company
Impact
Profile match
Platonus Group is a Kazakh technology company focused on the digital transformation of education. Its products include Platonus Academy, a microservice-based platform for universities and training centres developed on a modular model. The company is based in Kazakhstan, with its team in Astana.

Отвечает за:

  • ETL из СУБД, построение DWH со SCD2-историей
  • RAG-слой на pgvector (семантический поиск по шаблонам запросов и описаниям таблиц)
  • Интеграцию с локальной LLM через Spring AI
  • Безопасную валидацию и исполнение сгенерированного SQL
  • API-слой между дашбордом/чатом и данными

Нужно уметь:

Ядро - Java/Spring:

  • Java/Kotlin + Spring Boot - уверенный уровень, это основа всего стека
  • Spring Boot REST API - разработка backend-слоя для чат-интерфейса дашборда

Данные и ETL:

  • Spring Batch - джобы инкрементальной загрузки, идемпотентность (повторный запуск без дублей), обработка частичных сбоев
  • PostgreSQL+ pgvector - установка расширения, проектирование логических схем (dwh и semantic_search в одной БД), права доступа, партиционирование по времени
  • SQL продвинутого уровня - оконные функции, CTE, оптимизация запросов
  • SCD Type 2 на практике (valid_from/valid_to/is_current)
  • Flyway (или аналог) - версионирование миграций схемы

AI-слой:

  • Spring AI:
    • ETL Pipeline (DocumentReader → Transformer → Writer) - кастомные ридеры под ЕПВО, обогащение метаданными
    • PgVectorStore - настройка размерности вектора, выбор индекса (HNSW)
    • ChatClient + Advisors - сборка RAG-контекста, chat memory
    • Tool/Function calling - логика "шаблон → фолбэк на генерацию SQL"
    • OllamaChatModel / OllamaEmbeddingModel - интеграция с локальной моделью

Безопасность запросов:

  • JSqlParser (или аналог) - валидация сгенерированного SQL: только SELECT, whitelist схем/таблиц, лимиты строк и времени
  • Настройка read-only доступа на уровне JDBC-соединения
  • Логирование пайплайна "вопрос → шаблон/SQL → результат" для аудита

Желательно, но не критично на старте:

  • Опыт администрирования GPU-инфраструктуры (Ollama, CUDA)
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