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Wallet icon Coin icon Rate 4 600 € - 5 600 € / month info
Timer icon Form of cooperation Full-time / 60% Remote
Briefcase icon Sector Information Technology
Location icon Location Bratislava

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

Project duration 6 months with the possibility of extension
Period of cooperation 15.06.2026 - 31.12.2026
Start date 15.06.2026 ASAP or by agreement
Project duration 6 months with the possibility of extension
Period of cooperation 15.06.2026 - 31.12.2026
Start date 15.06.2026 ASAP or by agreement
Technology
  • Oracle SQL Developer
  • PL/SQL
  • SQL
  • JIRA
  • SCRUM
Languages
  • English flag English - active, B2/C1/C2
  • Slovak flag Slovak - native

Project description

  • the project focuses on the development of an enterprise data warehouse (DWH), including the implementation of the TM Forum SID (Shared Information/Data Model) standard into the customer's environment
  • cooperation within an agile team with participation in:
    • ETL process development
    • data model design and implementation
    • expansion of DWH layers
    • optimization of SQL/PLSQL solution performance
  • the project works with a classic enterprise DWH architecture on an Oracle database
  • data warehouse architecture
    • the DWH consists of multiple layers:
      • STAGE layer
      • transactional layer (source of truth)
      • presentation layer
      • datamarts
    • source data is processed using CSV extracts mapped as external tables
  • technical design:
    • cooperation with data architects and vendors in the design of data models and infrastructure
    • responsibility for preparing project documentation, materials for decision-making bodies, and meetings
  • orchestration and automation:
    • responsibility for the design, implementation, and monitoring of data flows, including process automation
  • quality and security:
    • ensuring proper documentation and adherence to security rules when working with sensitive data
  • adherence to methodologies and project evaluations:
    • follow project/agile methodology, actively participate in project evaluations and prepare recommendations for further development (including "lessons learned")
  • coordination with data analysts, data science, and business teams in identifying requirements and data sources
     
  • cooperation possible in a hybrid ON-SITE mode by agreement on the project [Bratislava] / REMOTE
  • the final remuneration depends on the candidate's experience and the course of the selection process

Project requirements

  • min. 3 years of project experience in data engineering and database programming, ideally in telecommunications
  • advanced knowledge:
    • Oracle SQL
    • PL/SQL development
    • DWH architecture
    • ETL development and ETL design patterns
    • data modeling
  • experience with:
    • SQL or PL/SQL performance optimization
    • execution plans
    • partitioning
    • indexing
    • integration patterns
    • data contracts
  • ability to design solutions
     
  • strong emphasis is placed on:
    • ownership
    • up-to-date Jira tasks
    • communication of blockers
    • delivery transparency
       
  • experience with the following is an advantage:
    • TM Forum SID
    • telco domain
    • versioning of SQL or PL/SQL code
    • Snowflake / BigQuery
    • BI/reporting tools
    • AI-assisted development (LLM/code assistants)
       
  • active knowledge of English language, both spoken and written (min. B2)
     
  • strong organizational, negotiation, and analytical skills
  • open to new ideas and visions
  • ability to react and adapt to change flexibly
  • flexibility and proactive approach
  • ability to work independently as well as within a global team
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