ministryofjustice/hmpps-dpr-data-product-definitions
Jan 2025 – Oct 2025
7 Months active
Languages Used
JSONN/ASQLShellYAMLPython
Technical Skills
AWS DynamoDBCI/CDData EngineeringData ModelingDatabase ManagementGitHub Actions
djcostin
PROFILE
Djcostin
Daniel Costin developed and enhanced data product definitions for the ministryofjustice/hmpps-dpr-data-product-definitions repository, focusing on automation, data quality, and reporting accuracy. He implemented scheduling and data quality workflows using Python, SQL, and AWS DynamoDB, enabling reliable, auditable data pipelines. Daniel introduced new reporting features for offender management and financial audits, improved schema consistency, and optimized SQL queries for performance and maintainability. His work included multi-environment deployment support and robust error handling through shell scripting, addressing both feature delivery and bug fixes. The depth of his contributions ensured production-ready, traceable changes that improved data governance and operational reliability.
Overall Statistics
Feature vs Bugs
77%Features
Repository Contributions
21Total
Bugs
3
Commits
21
Features
10
Lines of code
698,734
Activity Months7
Your Network
245 peopleSame Organization
@digital.justice.gov.uk243
Shared Repositories
2
Work History
October 2025
3 Commits • 2 Features
Oct 1, 2025Month: 2025-10. Concise monthly summary for the ministryofjustice/hmpps-dpr-data-product-definitions repository focusing on offender management data product definitions. Delivered three focused items in Oct 2025 with direct business value: enhanced reporting capabilities, deployment readiness, and data integrity. The work demonstrates disciplined, production-ready changes with clear traceability to tickets and commits.
3 Commits • 2 Features
Oct 1, 2025Month: 2025-10. Concise monthly summary for the ministryofjustice/hmpps-dpr-data-product-definitions repository focusing on offender management data product definitions. Delivered three focused items in Oct 2025 with direct business value: enhanced reporting capabilities, deployment readiness, and data integrity. The work demonstrates disciplined, production-ready changes with clear traceability to tickets and commits.
October 2025
September 2025
3 Commits • 2 Features
Sep 1, 2025September 2025: Key features delivered in ministryofjustice/hmpps-dpr-data-product-definitions focused on improving financial reporting accuracy, consistency, and auditability. Delivered MIS Finance Audit Log Enhancements and MIS Summary of Receipts and Payments Totals, consolidating updates to the MIS View Finance Audit Log and updating report definitions to include aggregated values. These changes enable more reliable month-end closes, faster decision-making, and stronger data governance for DPR data products.
September 2025
3 Commits • 2 Features
Sep 1, 2025September 2025: Key features delivered in ministryofjustice/hmpps-dpr-data-product-definitions focused on improving financial reporting accuracy, consistency, and auditability. Delivered MIS Finance Audit Log Enhancements and MIS Summary of Receipts and Payments Totals, consolidating updates to the MIS View Finance Audit Log and updating report definitions to include aggregated values. These changes enable more reliable month-end closes, faster decision-making, and stronger data governance for DPR data products.
June 2025
1 Commits • 1 Features
Jun 1, 2025June 2025 monthly summary focusing on key accomplishments and business impact for the DPR data product definitions work.
1 Commits • 1 Features
Jun 1, 2025June 2025 monthly summary focusing on key accomplishments and business impact for the DPR data product definitions work.
June 2025
May 2025
7 Commits • 3 Features
May 1, 2025May 2025 DPR data-product-definitions: Delivered key enhancements across prisoner data quality, ORS security categorisation, and national alerts reporting. Implemented data completeness for missing PNC and CRO identifiers, introduced granular security categorisation controls, stabilized reporting and joins, and added an alerts dropdown with alert_code-based filtering to the national alerts report. These changes improve data accuracy, security/compliance, and reporting reliability for DPR data products.
May 2025
7 Commits • 3 Features
May 1, 2025May 2025 DPR data-product-definitions: Delivered key enhancements across prisoner data quality, ORS security categorisation, and national alerts reporting. Implemented data completeness for missing PNC and CRO identifiers, introduced granular security categorisation controls, stabilized reporting and joins, and added an alerts dropdown with alert_code-based filtering to the national alerts report. These changes improve data accuracy, security/compliance, and reporting reliability for DPR data products.
April 2025
1 Commits
Apr 1, 2025April 2025 monthly summary for ministryofjustice/hmpps-dpr-data-product-definitions. Focused on reliability improvements in the data product definitions pipeline. No new features released this month; one significant bug fix delivered in the directory cleaning component to prevent errors.
1 Commits
Apr 1, 2025April 2025 monthly summary for ministryofjustice/hmpps-dpr-data-product-definitions. Focused on reliability improvements in the data product definitions pipeline. No new features released this month; one significant bug fix delivered in the directory cleaning component to prevent errors.
April 2025
February 2025
2 Commits • 1 Features
Feb 1, 2025February 2025: Delivered automated data quality scheduling and time-series dataset schema enhancements for ministryofjustice/hmpps-dpr-data-product-definitions. Introduced a dataset-level scheduling flag, extended time-series definitions with data quality metrics, scheduling attributes, a test historical dataset, and a current-date schema field to strengthen governance and usability of data product definitions.
February 2025
2 Commits • 1 Features
Feb 1, 2025February 2025: Delivered automated data quality scheduling and time-series dataset schema enhancements for ministryofjustice/hmpps-dpr-data-product-definitions. Introduced a dataset-level scheduling flag, extended time-series definitions with data quality metrics, scheduling attributes, a test historical dataset, and a current-date schema field to strengthen governance and usability of data product definitions.
January 2025
4 Commits • 1 Features
Jan 1, 2025January 2025 performance summary for ministryofjustice/hmpps-dpr-data-product-definitions: Delivered scheduling support for DPR data products with end-to-end state propagation, enhanced test reporting, and DynamoDB publish integration. This work improves automation, reliability, and visibility of scheduled data products, enabling safer production deployments and better traceability across workflows.
4 Commits • 1 Features
Jan 1, 2025January 2025 performance summary for ministryofjustice/hmpps-dpr-data-product-definitions: Delivered scheduling support for DPR data products with end-to-end state propagation, enhanced test reporting, and DynamoDB publish integration. This work improves automation, reliability, and visibility of scheduled data products, enabling safer production deployments and better traceability across workflows.
January 2025
Activity
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Quality Metrics
Correctness81.8%
Maintainability81.8%
Architecture77.2%
Performance75.2%
AI Usage21.0%
Skills & Technologies
Programming Languages
JSONN/APythonSQLShellYAML
Technical Skills
AWS DynamoDBBackend DevelopmentCI/CDConfiguration ManagementData AnalysisData AuditingData EngineeringData ModelingDatabase DevelopmentDatabase ManagementDevOpsGitHub ActionsN/AReport DefinitionReporting
Repositories Contributed To
Overview of all repositories you've contributed to across your timeline