Praca sql query Warszawa. Znaleziono 2486 ofert pracy.

Senior Data Scientist / ML

Jit Team sp. z o.o. PL, 52.21519, 21.2453, warszawa, mazowieckie, Warszawa, mazowieckie 5 dni temu

... we use Expected Python T-SQL Power Query DAX MS Power BI MS ... experience in statistics, Python, T-SQL, Power Query, DAX, MS Power BI MS ...

Kronos Specialist

emagine Polska PL, 52.21519, 21.2453, warszawa, mazowieckie, Warszawa 7 dni temu

... Kronos reporting tools and SQL. Collaborate with business analysts and ... . Proficiency in Kronos APIs, SQL, and reporting tools. Knowledge of ... Manager for imports exports. SQL skills for custom queries and reporting. Understanding labor management, ...

IT2 Developer

emagine Polska PL, 52.21519, 21.2453, warszawa, mazowieckie, Warszawa 7 dni temu

... ). * Write, review, and optimize complex SQL queries, stored procedures, and database routines. * ... Object REXX scripting. * Proficiency in SQL, particularly in writing and optimizing queries. * Proven ability to troubleshoot complex ...

IT Analyst

emagine Polska PL, 52.21519, 21.2453, warszawa, mazowieckie, Warszawa 7 dni temu

... background in data analysis and SQL. The successful candidate will be ... . Analyze data warehouses and generate SQL queries. Prepare actionable user stories for ... . Key Requirements: Working knowledge of SQL. Experience in data analysis. Proficiency ...

Data Engineer

dotLinkers PL, 52.21519, 21.2453, warszawa, mazowieckie, Warszawa 7 dni temu

... , BigQuery. Heavy use of Python SQL (Snowflake) , REST APIs, troubleshooting. Real ... , Boomi, or similar). Write & optimize SQL queries (Snowflake). Debug sync failures, payload ... REST APIs . A pro in SQL (Snowflake is a big plus). ...

Data Engineer

emagine Polska PL, 52.21519, 21.2453, warszawa, mazowieckie, Warszawa 7 dni temu

... analysts and business analysts. Optimizing SQL queries for efficient data retrieval. Participating ...

Database Expert PostgreSQL

Transition Technologies MS PL, 52.21519, 21.2453, warszawa, mazowieckie, Warszawa 8 dni temu

... systems. Analyze and improve SQL query execution plans to ensure top ... of PostgreSQL , including query optimization, indexing, partitioning, and server configuration. Proven ability to analyze and improve SQL execution plans . Experience designing and ...

Senior Software Engineer Search Platform - Poland

Housecall Pro PL, 52.21519, 21.2453, warszawa, mazowieckie, Warszawa 8 dni temu

... data ingestion and indexing through query execution, relevance tuning, and experimentation. ... for document modeling, index design, query patterns, and ranking so teams ... and improve search observability, query optimization, caching, and fallbacks Take ...

Senior Data Engineer

Lumicode Sp. z o.o. PL, 52.21519, 21.2453, warszawa, mazowieckie, Warszawa 9 dni temu

... -depth expertise in Oracle databases, SQL stored procedures, ETL ELT processes, ... . Proficiency in Python and PL SQL . Hands-on experience with ETL ... pipelines. Develop and optimize PL SQL queries and database components to ensure ...

Data Engineer

dotLinkers PL, 52.21519, 21.2453, warszawa, mazowieckie, Warszawa 10 dni temu

... , BigQuery. Heavy use of Python SQL (Snowflake) , REST APIs, troubleshooting. Real ... , Boomi, or similar). Write & optimize SQL queries (Snowflake). Debug sync failures, payload ... REST APIs . A pro in SQL (Snowflake is a big plus). ...

Senior AI Full Stack Developer – Healthcare Data Visualization

ITDS Polska Sp. z o.o. PL, 52.21519, 21.2453, warszawa, mazowieckie, Warszawa, mazowieckie 10 dni temu

... Expected TypeScript React.js Python SQL NoSQL Optional Microsoft Azure Flask ... to manage data pipelines, run queries, and orchestrate workflows. Integrate with ... . Experience working with REST APIs, SQL NoSQL databases, and data transformation ...

Data Engineer PowerBI (Snowflake)

OPTIVEUM SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ PL, 52.21519, 21.2453, warszawa, mazowieckie, Warszawa, mazowieckie 10 dni temu

... for data transformation and modeling. SQL proficiency with 2 years writing complex queries and building materialized tables views ... Tools: Fivetran. Transformation Framework: dbt. SQL: Advanced proficiency. Visualization: Power BI ( ...

Python Developer (Geospatial)

SQUARE ONE RESOURCES sp. z o.o. PL, 52.21519, 21.2453, warszawa, mazowieckie, Warszawa, mazowieckie 10 dni temu

... PostgreSQL databases, including complex queries and geospatial data operations. Implement ... through efficient data processing, query optimization, and resource management. Write ... in database design and queries, including spatial operations (not limited ...

Data QA Specialist

SQUARE ONE RESOURCES sp. z o.o. PL, 52.21519, 21.2453, warszawa, mazowieckie, Warszawa, mazowieckie 10 dni temu

... : Warszawa Technologies we use Expected SQL ETL ELT Redshift BigQuery Snowflake ... Staging and production environments Using SQL queries, test scripts, and tool-based ... .g. Snowplow, GA, similar tools). SQL for investigation, reconciliation, and QA. ...

Programista Power BI (Mid)

B2B.NET S.A. PL, 52.21519, 21.2453, warszawa, mazowieckie, Warszawa, mazowieckie 10 dni temu

... optymalizacja modeli danych (DAX, Power Query M) Integracja danych z różnych źródeł: SQL (PostgreSQL, BigQuery), Excel, API, SharePoint ... dobra znajomość DAX oraz Power Query (M) Umiejętność budowania wydajnych modeli ...

Performance Analyst / Performance Engineer

KYOTU Technology sp. z o.o. PL, 52.21519, 21.2453, warszawa, mazowieckie, Warszawa, mazowieckie 10 dni temu

... OpenTelemetry Prometheus Grafana Splunk SQL Optional JMeter Gatling Locust Java ... Analyse system performance, logs and SQL queries to identify bottlenecks Integrate performance ... Prometheus, Grafana and Splunk Strong SQL skills and log analysis experience ...

Senior Backend / Product Engineer

Jit Team sp. z o.o. PL, 52.21519, 21.2453, warszawa, mazowieckie, Warszawa, mazowieckie 10 dni temu

... across multiple database technologies (MongoDB, SQL, PostgreSQL) Working within the JVM ... -minded approach Strong knowledge of SQL and MongoDB including optimization, indexing, query tuning, and data modeling Experience ...

Senior DevOps Engineer

ERGO Technology & Services S.A. PL, 52.21519, 21.2453, warszawa, mazowieckie, Warszawa, mazowieckie 10 dni temu

... knowledge of Linux (common distributions), SQL Server, Kusto Query Language, Gremlin Query Language, Pester, SaaS, (A)AD, ...

Python / Airflow Engineer

Cyclad PL, 52.21519, 21.2453, warszawa, mazowieckie, Warszawa, mazowieckie 10 dni temu

... we use Expected Python PL SQL Apache Airflow Optional AWS Microsoft ... systems. Write and optimize (PL)SQL queries for data extraction, transformation, and ... programming language. Experience with (PL)SQL and working with relational databases. ...

Senior Backend Product Engineer

Jit Team PL, 52.21519, 21.2453, warszawa, mazowieckie, Warszawa 12 dni temu

... -minded approach Strong knowledge of SQL and MongoDB including optimization, indexing, query tuning, and data modeling Experience ... frameworks: Spring, Jersey, Ktor, Dropwizard SQL MongoDB PostgreSQL Maven RESTful API ...