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Wallet icon Coin icon Rate 150 000 CZK - 170 000 CZK / month info
Timer icon Form of cooperation Full-time / 40% Remote
Briefcase icon Sector Banking
Location icon Location Praha

info The reward is calculated upon delivery of 20 MD per month (1MD=8h)

Project duration 12 months with the possibility of extension
Period of cooperation 29.06.2026 - 28.06.2027
Start date 29.06.2026 or by agreement
Project duration 12 months with the possibility of extension
Period of cooperation 29.06.2026 - 28.06.2027
Start date 29.06.2026 or by agreement
Technology
  • Oracle
  • Oracle Application Express (APEX)
  • Oracle PL/SQL Developer
Languages
  • English flag English - active, B2/C1/C2
  • Slovak or Czech flag Slovak or Czech - native

Project description

  • development and optimization of banking database systems supporting key services such as electronic banking, client management, ATM infrastructure, and asset safeguarding
  • working in a small team of experts focused on data architecture design and maintenance with an emphasis on high availability and security
  • modification of data models according to new requirements and application development
  • development and maintenance of advanced PL/SQL scripts and stored procedures
  • performance tuning and SQL query optimization to ensure system scalability and fast response times
  • analysis of production problems, incidents, and proposal of measures for their prevention
  • involvement in development using Oracle APEX and data orchestration using Apache Airflow
  • cooperation takes place in a hybrid mode, approx. 60% onsite / 40% remote

Project requirements

  • advanced experience with:
    • SQL and PL/SQL programming (at least 5 years of experience)
    • Oracle APEX
    • design of efficient relational database schemas
    • analysis and optimization of complex SQL queries
    • database performance tuning and troubleshooting
    • data modeling in large systems
  • experience with:
    • development and maintenance of Oracle Database Enterprise Edition
    • working in an environment of banking information systems
    • procedural programming of stored functions and triggers
    • incident management in an operational environment
  • advanced knowledge of:
    • data structure design and data architecture
    • optimization strategies and performance monitoring
  • knowledge of:
    • Czech language at a professional level (spoken and written)
  • a big advantage:
    • Airflow (at least basic experience)
    • experience with Elasticsearch tools
    • overview of data orchestration and ETL tools
    • experience in agile development (SCRUM, SAFe)
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