NHSDigital/ftrs-directory-of-services
Apr 2025 – Sep 2025
4 Months active
Languages Used
MarkdownPythonSQL
Technical Skills
AWS S3CI/CDCloud ComputingData EngineeringData MigrationPandas
mark-spiers1
PROFILE
Mark-spiers1
Mark Spiers developed and enhanced core data engineering features for the NHSDigital/ftrs-directory-of-services repository over four months, focusing on cloud-ready data migration, ETL, and backend modeling. He implemented S3 data ingestion pipelines, enriched healthcare service models with telecom, location, and opening time structures, and refactored domain models to use strongly-typed enums for improved data integrity. Using Python, SQLAlchemy, and AWS S3, Mark delivered features that enabled dynamic data routing, robust validation, and seamless integration of new data sources. His work demonstrated depth in backend development and data modeling, with comprehensive test coverage and clear documentation supporting maintainable, cloud-native workflows.
Overall Statistics
Feature vs Bugs
100%Features
Repository Contributions
7Total
Bugs
0
Commits
7
Features
6
Lines of code
5,265
Activity Months4
Your Network
187 people
Work History
September 2025
1 Commits • 1 Features
Sep 1, 2025September 2025 monthly summary for NHSDigital/ftrs-directory-of-services: Delivered the Symptom Discriminator Source Routing feature with dynamic source assignment for symptom discriminators based on their ID, routing to PATHWAYS or SERVICE_FINDER within a defined upper limit. Implemented tests validating conditional source assignment to ensure reliable routing decisions and catch regressions. The change aligns with the FDOS-562 effort (commit 364b59cf2ac07de0f82ba5cdb62de03c162150bc, "Set source for symptom discriminators (#372)").
1 Commits • 1 Features
Sep 1, 2025September 2025 monthly summary for NHSDigital/ftrs-directory-of-services: Delivered the Symptom Discriminator Source Routing feature with dynamic source assignment for symptom discriminators based on their ID, routing to PATHWAYS or SERVICE_FINDER within a defined upper limit. Implemented tests validating conditional source assignment to ensure reliable routing decisions and catch regressions. The change aligns with the FDOS-562 effort (commit 364b59cf2ac07de0f82ba5cdb62de03c162150bc, "Set source for symptom discriminators (#372)").
September 2025
June 2025
1 Commits • 1 Features
Jun 1, 2025June 2025 monthly summary for NHSDigital/ftrs-directory-of-services focused on aligning domain models with strongly-typed enum values to improve data integrity, mapping accuracy, and long-term maintainability. The primary deliverable was a String Enum Refactor for Data Models and Endpoint Mapping, with corresponding updates to tests and mappings.
June 2025
1 Commits • 1 Features
Jun 1, 2025June 2025 monthly summary for NHSDigital/ftrs-directory-of-services focused on aligning domain models with strongly-typed enum values to improve data integrity, mapping accuracy, and long-term maintainability. The primary deliverable was a String Enum Refactor for Data Models and Endpoint Mapping, with corresponding updates to tests and mappings.
May 2025
3 Commits • 3 Features
May 1, 2025May 2025 monthly summary for NHSDigital/ftrs-directory-of-services: Delivered three end-to-end data-model and ETL enhancements to improve service contact management, location data accuracy, and opening-time representation. These enhancements enable richer service profiles, improved discovery and planning, and more reliable availability for users.
3 Commits • 3 Features
May 1, 2025May 2025 monthly summary for NHSDigital/ftrs-directory-of-services: Delivered three end-to-end data-model and ETL enhancements to improve service contact management, location data accuracy, and opening-time representation. These enhancements enable richer service profiles, improved discovery and planning, and more reliable availability for users.
May 2025
April 2025
2 Commits • 1 Features
Apr 1, 2025April 2025 monthly summary for NHSDigital/ftrs-directory-of-services focusing on Data Migration Pipeline enhancements to ingest data from S3 URIs, expanding cloud data source support, and improving path handling, tests, and docs. Delivered key feature and supporting work across testing and documentation, driving cloud-ready data ingestion and operational efficiency.
April 2025
2 Commits • 1 Features
Apr 1, 2025April 2025 monthly summary for NHSDigital/ftrs-directory-of-services focusing on Data Migration Pipeline enhancements to ingest data from S3 URIs, expanding cloud data source support, and improving path handling, tests, and docs. Delivered key feature and supporting work across testing and documentation, driving cloud-ready data ingestion and operational efficiency.
Activity
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Quality Metrics
Correctness88.6%
Maintainability87.2%
Architecture84.2%
Performance75.6%
AI Usage20.0%
Skills & Technologies
Programming Languages
MarkdownPythonSQL
Technical Skills
API DevelopmentAWS Lambda PowertoolsAWS S3Backend DevelopmentCI/CDCloud ComputingData EngineeringData MigrationData ModelingDatabase ManagementDynamoDBETLEnum ImplementationPandasPyArrow
Repositories Contributed To
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