lock-svg project
Successfully occupied
View project information dropdown icon
Wallet icon Coin icon Rate 5 000 € - 6 000 € / month info
Timer icon Form of cooperation Full-time / 50% Remote
Briefcase icon Sector Telco
Location icon Location Bratislava

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

Project duration 12-36 months with possibility of extension
Period of cooperation 01.07.2025 - 30.06.2026
Start date 01.07.2025 or by agreement
Technology
  • PostgreSQL
Languages
  • English flag English - conversational, B1
  • Slovak or Czech flag Slovak or Czech - active, B2/C1/C2

Project description

  • participation in the creation of database architecture for complex information systems for the field of state administration.
  • responsibility for optimizing performance, scalability, HA, recovery and management of the designed data solution
  • cooperation in the creation, analysis and optimization of complex SQL queries in PostgreSQL databases
  • design of efficient database schemas
  • cooperation in the design, implementation and support of database systems
  • procedural programming for writing stored procedures, functions, and triggers
  • responsibility for regular data backup and encryption
  • regular testing of recovery scenarios
  • synchronization and data integration
  • cooperation in analyzing performance problems, troubleshooting
  • participating in the implementation of high-availability solutions
  • performance monitoring and tuning
  • close cooperation with other team members
  • possibility of long-term cooperation in small (mostly SK/CZ) agile (SCRUM) teams
  • cooperation possible in a combined ON-SITE (Bratislava) / OFF-SITE mode - depending on the project needs and freelancer preferences

Project requirements

  • min. 8 years of active experience with SQL database administration (installation, optimization, management, configuration, backup and recovery, migrations...)
  • advanced knowledge:
    • PostgreSQL databases
    • transactions, isolation and competition
    • backup strategies
  • advanced experience with:
    • designing efficient database schemas
    • creation, analysis and optimization of complex SQL queries
    • procedural programming for writing stored procedures, functions, and triggers
    • High Availability & Disaster Recovery , in particular:  
      • replication, setup and maintenance of database clusters for high availability
      • by managing and distributing the load between replicas
      • design and implementation of Disaster Recovery plans,
      • by testing the recovery
      • restoring databases to a specific point in time
    • synchronization and data integration , in particular:  
      • data replication and synchronization
      • ensuring data consistency and integrity
    • monitoring and tuning performance , in particular:  
      • by monitoring performance and analyzing metrics
      • expertise in identifying and resolving performance, availability, and data integrity issues
      • automation and DevOps for databases
      • knowledge:
        • SDLC
        • agile software development methodologies (SCRUM, SAFe,...)
      • active knowledge of Slovak and/or Czech and English (spoken and written)
      • Experience with:
        • noSQL databases
        • programming or designing applications in the field of public administration
      • independence
      • responsibility
      • communicativeness
      Are you interested in this project?
      Recommend an IT specialist Do you know anyone who could use this project? Recommend him and get a reward 500 €!
      New to the world of IT freelancing ?

      Freedom, flexibility, greater control over finances and career. Freelancing has evolved and offers much more today. See what's in store for you and how it will change your life.

      Are you interested in this project?
      Recommend an IT specialist Do you know anyone who could use this project? Recommend him and get a reward 500 €!
      30 071

      Titans that have
      joined us

      705

      Clients that have
      joined us

      578 597

      Succcessfully supplied
      man-days