Senior BI Developer
HAYS IT & Telecom
Warszawa
6 d. temu
source : infoPraca

NR REF. : 1154706

Hays IT Contracting matches IT Contractors with the best employers. Our passion lies in helping people develop their professional careers in IT sector - quite simply, we power the world of work.

For our Client we are currently looking for qualified Candidates for the position of : Lead BI Developer

Location : Warsaw (hybrid model - once every 2 weeks 2 days from the office (currently Wednesdays and Thursdays)

Job type : contract B2B

B2B Length : long term cooperation (after 3 months, transfer to permanent employment with a client)

Rate : 125PLN / h net + VAT

Branch : Telco

1 recruitment meeting (on-line)

Methodology : Scrum / Agile

Requirements :

  • At least 4 years of experience in a similar position
  • Higher education in computer science or business / information technology
  • Good knowledge of relational database theory and technology, in particular Oracle database
  • Very good knowledge of SQL and PL / SQL
  • Ability to tune and optimize queries
  • Knowledge of SQL, PL / SQL and Oracle will be most important in candidates experience

    Nice to have :

  • Knowledge of Big Data solutions (Spark SQL, Kafka, Trino)
  • Knowledge of Unix and experience in processing large amounts of data will be an advantage
  • Responsibilities :

  • Implementation of load codes, aggregates and calculations for Data Warehouse and Hadoop environment
  • Supervision over a team of programmers
  • Participation in designing BI solutions for environment based on Oracle Data Warehouse and Hadoop environment
  • Analysis of requirements and proposing technical solutions to support the business
  • Analysis of source data, design and modeling of the data layer
  • Responsibility for maintenance of implemented solutions
  • Development of project, technical and business documentation
  • As part of the digital transformation, a new team was created

    The area of Big Data and Data Warehouse is being developed very intensively in order to create a single source of truth, Data Lake, as well as to use modern technologies, including machine learning and predictive analytics for business management.

    The Data Lakehouse platform, based on microservices and Code-as-a-Service approach, is a unique product implementing the concepts of single source of truth, data democratisation, and self-service access to data.

    Our offer : Competitive rate

    Competitive rate

    Possibilities : variety of projects to participate in development, working closely with big brands

    Real impact on the project if you are good, you are independent in making decisions

    Fast learning opportunities

    Preferential conditions for benefits : medical and sport package

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