# Tools & technology — data engineer Source: O*NET 30.3, occupation 15-2051.00 (Data Scientists) — manual nearest-occupation mapping via ISCO group 2511; the official ESCO crosswalk has no entry for this ESCO occupation. | Software | Category | Hot technology | |---|---|---| | Alteryx software | Business intelligence and data analysis software | yes | | Amazon Elastic Compute Cloud EC2 | Data base user interface and query software | yes | | Amazon Redshift | Data base user interface and query software | yes | | Amazon Web Services AWS software | Data base user interface and query software | yes | | Apache Airflow | Procedure management software | yes | | Apache Cassandra | Data base management system software | yes | | Apache Hadoop | Data base management system software | yes | | Apache Hive | Data base management system software | yes | | Apache Kafka | Development environment software | yes | | Apache Spark | Business intelligence and data analysis software | yes | | Atlassian Confluence | Project management software | yes | | Atlassian JIRA | Content workflow software | yes | | Bash | Operating system software | yes | | C | Development environment software | yes | | C# | Object or component oriented development software | yes | | C++ | Object or component oriented development software | yes | | Docker | Application server software | yes | | Elasticsearch | Data base management system software | yes | | Git | File versioning software | yes | | GitHub | Application server software | yes | | Go | Development environment software | yes | | Google Looker Analytics | Business intelligence and data analysis software | yes | | IBM SPSS Statistics | Analytical or scientific software | yes | | JavaScript | Web platform development software | yes | | JavaScript Object Notation JSON | Web platform development software | yes | | Jenkins CI | Enterprise application integration software | yes | | Kubernetes | Application server software | yes | | Linux | Operating system software | yes | | Microsoft Access | Data base user interface and query software | yes | | Microsoft Azure software | Development environment software | yes | | Microsoft Excel | Spreadsheet software | yes | | Microsoft Office software | Office suite software | yes | | Microsoft Power BI | Business intelligence and data analysis software | yes | | Microsoft PowerPoint | Presentation software | yes | | Microsoft SQL Server | Data base user interface and query software | yes | | MongoDB | Data base management system software | yes | | NoSQL | Data base management system software | yes | | Oracle Java | Object or component oriented development software | yes | | Perl | Object or component oriented development software | yes | | PostgreSQL | Object oriented data base management software | yes | | Python | Object or component oriented development software | yes | | PyTorch | Data base user interface and query software | yes | | R | Object or component oriented development software | yes | | Ruby | Development environment software | yes | | SAS | Analytical or scientific software | yes | | Scala | Object or component oriented development software | yes | | Shell script | Operating system software | yes | | Snowflake | Data mining software | yes | | Splunk Enterprise | Enterprise system management software | yes | | Structured query language SQL | Data base user interface and query software | yes | | Tableau | Business intelligence and data analysis software | yes | | TensorFlow | Analytical or scientific software | yes | | Teradata Database | Data base management system software | yes | | The MathWorks MATLAB | Analytical or scientific software | yes | | UNIX | Operating system software | yes | | Amazon Simple Storage Service S3 | Storage networking software | | | Amazon Web Services AWS SageMaker | Cloud-based management software | | | Apache MXNet | Industrial control software | | | Apache Pig | Data base management system software | | | BigQuery | Data base user interface and query software | | | Business intelligence software | Business intelligence and data analysis software | | | Flask | Development environment software | | | Geographic information system GIS systems | Geographic information system | | | Google Cloud software | Cloud-based management software | | | Julia | Development environment software | | | Jupyter software | Object or component oriented development software | | | Keras | Operating system software | | | Kubeflow | Analytical or scientific software | | | Management information systems MIS | Enterprise resource planning ERP software | | | MapReduce big data software | Business intelligence and data analysis software | | | Mathematical software | Analytical or scientific software | | | Mlflow | Analytical or scientific software | | | Neo4j | Data base user interface and query software | | | NumPy | Data base user interface and query software | | | OpenAI ChatGPT | Development environment software | | | pandas | Data base user interface and query software | | | PySpark | Data base user interface and query software | | | Qlik Tech QlikView | Business intelligence and data analysis software | | | Reporting software | Data base reporting software | | | RESTful API | Web platform development software | | | Scikit-learn | Development environment software | | | SciPy | Object or component oriented development software | | | Shiny | Object or component oriented development software | | | spaCy | Object or component oriented development software | | | StataCorp Stata | Analytical or scientific software | | | Statistical software | Analytical or scientific software | | | XGBoost | Development environment software | | ## Market evidence (job-ad analysis, 22 ads, as of 2026-07-11) Share of analyzed job ads mentioning the item (threshold ≥ 20 %). Source: JSearch/Adzuna APIs. ### Tools - Python — **41 %** - Databricks — **41 %** - Apache Spark — **23 %** - AWS — **23 %** - Spark — **23 %** - SQL — **23 %** - Snowflake — **18 %** - informatica — **18 %**