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❇️ SQL developer ❇️ | Company Top Selection

🔥 We are looking for an **SQL developer **for project-based employment **

**Grade: **Middle+ Rate: from 208K to 228K Citizenship/Location: RF **Workload: **full-time Term: long-term Employment: only self-employed (IP) 📌

✅ Mandatory technical skills: Knowledge of SQL and PL/SQL — confident writing of complex queries, stored procedures, functions, triggers, and packages. Query Optimization — analysis and acceleration of slow queries, working with execution plans. Index Structure and Types — understanding of B-Tree, Bitmap, functional, and other indexes, ability to choose the right type. Database Locks — knowledge of operating principles, lock levels, deadlock prevention. Transaction Mechanism — understanding of ACID, isolation levels, transaction management in Oracle. Important skills: Hierarchical and OLAP Queries — CONNECT BY, ROLLUP, CUBE, analytical functions. Work with GIT / GitLab — branching, merging, reviews, conflict resolution. Liquibase — management of database schema migrations. ➕ Additional knowledge: XML, JSON in DB — reading, generation, parsing, using XPath/JSON_TABLE. PostgreSQL DBMS — at least a general understanding of the syntax and differences from Oracle. SCRUM / Agile — understanding of working principles in an iterative team. Conditions and context: Experience with Oracle (main database, >90% of code).