1 to 25 of 69 Parquet Jobs in the UK

data integration components and services, including Java-based microservices where required Prepare, transform and validate structured and semi-structured data, including formats such as parquet, avro and JSON Write efficient SQL to query, validate and optimise data across cloud-based analytical platforms such as Athena, Redshift and Azure Synapse ...

data integration components and services, including Java-based microservices where required Prepare, transform and validate structured and semi-structured data, including formats such as parquet, avro and JSON Write efficient SQL to query, validate and optimise data across cloud-based analytical platforms such as Athena, Redshift and Azure Synapse ...

dashboards (data validation, extract refresh checks, reconciliation to source). Nice-to-Have Experience with tools such as PySpark, Spark SQL, Hive, Impala, HDFS, Parquet, and Oracle databases. Exposure to data governance concepts: critical data elements (CDEs), lineage, data quality dimensions, audit frameworks. Experience running delivery (intake, triage, prioritization ...

dashboards (data validation, extract refresh checks, reconciliation to source). Nice-to-Have Experience with tools such as PySpark, Spark SQL, Hive, Impala, HDFS, Parquet, and Oracle databases. Hands-on exposure to DCRM tooling and operational exception management processes. Experience with governance/catalog tools and lineage documentation methods ...

similar cloud-specific services. Transformation & Orchestration tools Database Technologies Libraries & Schema Management Storage Formats: Familiarity managing diverse data types through formats like JSON and Parquet Containerisation DevOps and DataOps We are interested in Engineers with a solid understanding of DevOps to enable ownership of cloud infrastructure and different environments ...

similar cloud-specific services. Transformation & Orchestration tools Database Technologies Libraries & Schema Management Storage Formats: Familiarity managing diverse data types through formats like JSON and Parquet Containerisation DevOps and DataOps We are interested in Engineers with a solid understanding of DevOps to enable ownership of cloud infrastructure and different environments ...

similar cloud-specific services. Transformation & Orchestration tools Database Technologies Libraries & Schema Management Storage Formats: Familiarity managing diverse data types through formats like JSON and Parquet Containerisation DevOps and DataOps We are interested in Engineers with a solid understanding of DevOps to enable ownership of cloud infrastructure and different environments ...

Glue Database Technologies Data processing libraries & Schema Management tools like Pandas and Pydantic Storage Formats: Familiarity with data types such as JSON and Parquet DevOps and DataOps Experience of IaC tools, particularly Terraform Understanding of implementing logging, monitoring and alerting for enterprise level pipelines Understanding of access controls, policies ...

Glue Database Technologies Data processing libraries & Schema Management tools like Pandas and Pydantic Storage Formats: Familiarity with data types such as JSON and Parquet DevOps and DataOps Experience of IaC tools, particularly Terraform Understanding of implementing logging, monitoring and alerting for enterprise level pipelines Understanding of access controls, policies ...

Glue Database Technologies Data processing libraries & Schema Management tools like Pandas and Pydantic Storage Formats: Familiarity with data types such as JSON and Parquet DevOps and DataOps Experience of IaC tools, particularly Terraform Understanding of implementing logging, monitoring and alerting for enterprise level pipelines Understanding of access controls, policies ...

Data Build Tool (DBT) with a demonstrated ability indeveloping data models, contracts, tests, validation, and transformations Experienceworking with modern data distributed file formats (i.e., Parquet, Delta,Iceberg, Hudi) Demonstratedexperience with building data ingestion pipelines from REST API data sources. Strongability to produce technical documentation that can be understood ...

with Azure data services (Azure Data Factory, ADLS Gen2, Azure SQL, Synapse or Databricks)Solid understanding of data warehousing and lakehouse concepts, Delta/Parquet formats and dimensional modeling (Kimball)Experience with Real-Time Intelligence (Eventstreams, Eventhouse/KQL, Activator)Ability to turn architecture documents and requirements into working ...

based environment Advanced experience working and understanding the tradeoffs of at least one of the following Data Lake table/file formats: Delta Lake, Parquet, Iceberg, Hudi Experience working with lakehouse/medallion architectures in Databricks Experience with experimentation support tooling (such as Optimizely) A genuine curiosity about ...

environment. Experience working with distributed data processing frameworks such as Apache Spark . Working knowledge of common data formats such as JSON , Avro and Parquet . Technology Environment The role will involve working with a modern and evolving data stack. Candidates are not expected to have deep expertise ...

patterns (Debezium or equivalent) Stream processing (Apache Flink, Spark Structured Streaming, or equivalent) SQL and query optimisation at scale Data and table formats (Parquet, Avro, Apache Iceberg or Delta Lake) Experience designing SaaS data models, tenant isolation, shared schemas, access patterns, at scale. Ability to communicate architecture decisions ...

Python for data engineering and automation. Hands‐on experience with PySpark and Spark SQL in production environments. Solid knowledge of Hive, Impala, HDFS, and Parquet . Advanced SQL skills; experience with Oracle databases . Experience designing and supporting ETL/ELT pipelines and data quality frameworks . Working knowledge ...

troubleshooting. Supporting + maintaining production data pipelines, including incident investigation, safe recovery, root cause analysis + permanent remediation. Experience of Spark SQL, Delta Lake, Parquet + Hive metastore tables, including schemas, partitions and the relationship between table metadata and underlying files. Hands-on AWS experience, particularly ...

troubleshooting. Supporting + maintaining production data pipelines, including incident investigation, safe recovery, root cause analysis + permanent remediation. Experience of Spark SQL, Delta Lake, Parquet + Hive metastore tables, schemas, partitions and the relationship between table metadata and underlying files. Hands-on AWS experience, particularly S3, IAM and CloudWatch ...

including Kafka, Azure Functions or Azure Service Bus. Strong understanding of Spark processing and performance tuning. Experience working with file formats and partitioning, including Parquet, JSON, XML and CSV. Experience with Azure DevOps/GitHub and CI/CD. Strong programming experience in Python, with knowledge of other programming ...

supporting non‐technical stakeholders in getting the most out of the data warehouse Experience ingesting and processing structured and unstructured files (CSV, JSON, XML, Parquet, PDF) from a variety of sources, including cloud storage buckets and third‐party exports. Desired but not essential skills and experience include Broader Google ...

Fabric, Medallion and Data Products. Hands on mindset : Fluent in the language of data, whether SQL, Python, PySpark, R or Scala. Open formats including Parquet, Iceberg and JSON. Agile Ways of Working Run and contribute to agile ceremonies, helping to shape and improve the agile process Work with ...

invalidation, persistence strategy, data consistency MongoDB TimescaleDB NATS JetStream AWS S3/Glue Data lake staging, archival, batch ingestion into Snowflake Partitioning, file format (Parquet/ORC), Lake Formation governance Finance Domain Knowledge Candidates should have hands‐on data architecture experience in one or more of the following financial ...

building lean processes Experience with distributed data processing Experience with monitoring, testing, and data quality Experience building robust pipelines from diverse sources e.g. parquet, SQL & no-SQL databases, API endpoints It would be helpful to have experience/expertise/knowledge in the following: Python AWS Kubernetes Spark & distributed ...

production environments Develop ingestion and egress patterns to support reliable data access and integration Work with structured and semi-structured data (e.g. JSON, Parquet) Build and maintain data models across a cloud data platform Design and implement APIs to expose data for downstream consumers Contribute to cloud-based data ...

handling Delta Lake formats Hands-on experience building production pipelines inside Databricks workspaces and Fabric capacities Practical knowledge of structural data formats including Parquet, JSON, and CSV Experience with orchestration tools, scheduling dependencies, and error handling in a cloud environment Familiarity with unit testing data pipelines and implementing automated ...