
Kris Szlapa developed and maintained core features for the NHSDigital electronic-prescription-service-api and related repositories, focusing on secure, reliable prescription tracking and API integration. He engineered enhancements to FHIR APIs, implemented robust role-based access control in the UI, and expanded patient and prescription search capabilities. Using TypeScript, React, and AWS Lambda, Kris delivered end-to-end test automation, improved error handling, and enriched API documentation to align with NHS standards. His work emphasized deployment reliability, data quality, and auditability, with careful attention to schema evolution, OpenAPI specification, and regression testing, resulting in a resilient, user-focused prescription management platform.

Month 2025-10: Delivered core API enhancements and documentation improvements across the EPS platform, delivering measurable business value through better data quality, traceability, and developer usability. Key features include patient suffix in the data model, prescription-level non-dispense reason, provenance alignment to MedicationRequests, and enhanced cancellation handling with clearer error codes; all supported by a comprehensive OpenAPI/docs refresh. A security maintenance task suppressed CVE-2025-9230 in InspectorFilters.ts as part of routine risk management. These changes reduce integration friction, improve auditability, and enable more accurate reporting and troubleshooting across EPS consumers.
Month 2025-10: Delivered core API enhancements and documentation improvements across the EPS platform, delivering measurable business value through better data quality, traceability, and developer usability. Key features include patient suffix in the data model, prescription-level non-dispense reason, provenance alignment to MedicationRequests, and enhanced cancellation handling with clearer error codes; all supported by a comprehensive OpenAPI/docs refresh. A security maintenance task suppressed CVE-2025-9230 in InspectorFilters.ts as part of routine risk management. These changes reduce integration friction, improve auditability, and enable more accurate reporting and troubleshooting across EPS consumers.
September 2025: Delivered deployment reliability and API documentation enhancements across NHSDigital repositories. Key outcomes include a CloudFormation execution role enhancement to support Lambda invocation during CDK deploys, enabling S3 event notifications for BucketNotificationsHandler Lambdas; and comprehensive EPS FHIR API OpenAPI/spec and documentation updates that remove GP2GP references, standardize dm+d terminology, incorporate CIS2 authentication guidance, fix documentation examples, and enforce NHSD-Session-URID requirements. No high-severity bug fixes were reported in this scope. These changes improve deployment reliability, API discoverability, interoperability with downstream systems, and compliance with NHSD standards. Business value: Faster, safer deployments with automated, event-driven Lambda configurations; clearer, more compatible API documentation aiding integration and regulatory alignment. Technologies/skills demonstrated: CloudFormation/IAM/CDK, Lambda, S3 event notifications, OpenAPI/Swagger, API documentation tooling, dm+d terminology standardization, CIS2 guidance, NHSD-Session-URID enforcement, schema and example corrections.
September 2025: Delivered deployment reliability and API documentation enhancements across NHSDigital repositories. Key outcomes include a CloudFormation execution role enhancement to support Lambda invocation during CDK deploys, enabling S3 event notifications for BucketNotificationsHandler Lambdas; and comprehensive EPS FHIR API OpenAPI/spec and documentation updates that remove GP2GP references, standardize dm+d terminology, incorporate CIS2 authentication guidance, fix documentation examples, and enforce NHSD-Session-URID requirements. No high-severity bug fixes were reported in this scope. These changes improve deployment reliability, API discoverability, interoperability with downstream systems, and compliance with NHSD standards. Business value: Faster, safer deployments with automated, event-driven Lambda configurations; clearer, more compatible API documentation aiding integration and regulatory alignment. Technologies/skills demonstrated: CloudFormation/IAM/CDK, Lambda, S3 event notifications, OpenAPI/Swagger, API documentation tooling, dm+d terminology standardization, CIS2 guidance, NHSD-Session-URID enforcement, schema and example corrections.
July 2025 performance summary focused on improving accuracy of prescription displays, expanding regression test coverage, and enabling secrets management for EPS Assist. Delivered targeted bug fixes across API regression tests and UI tracker, with steps taken to reduce regressions and streamline secret configuration for EPS-related repos.
July 2025 performance summary focused on improving accuracy of prescription displays, expanding regression test coverage, and enabling secrets management for EPS Assist. Delivered targeted bug fixes across API regression tests and UI tracker, with steps taken to reduce regressions and streamline secret configuration for EPS-related repos.
June 2025 monthly summary: Delivered UX-focused search enhancements, robust error handling, and API/UI data enrichment across two NHSDigital repositories. Implemented new pages, improved error states, and introduced a DoHS-backed prescriptionDetails endpoint, all backed by extensive regression testing. These efforts improved clinician and patient experience, reduced friction in prescription workflows, and strengthened system resilience.
June 2025 monthly summary: Delivered UX-focused search enhancements, robust error handling, and API/UI data enrichment across two NHSDigital repositories. Implemented new pages, improved error states, and introduced a DoHS-backed prescriptionDetails endpoint, all backed by extensive regression testing. These efforts improved clinician and patient experience, reduced friction in prescription workflows, and strengthened system resilience.
May 2025 monthly summary for NHSDigital development teams focused on delivering user-facing CPTS UI improvements, expanding patient search capabilities, and extending the CPTS FHIR API, with robust test coverage across three repositories. The work emphasized business value by improving clinician search efficiency, enabling reliable data retrieval, and increasing QA coverage while ensuring UI consistency and regulatory compliance.
May 2025 monthly summary for NHSDigital development teams focused on delivering user-facing CPTS UI improvements, expanding patient search capabilities, and extending the CPTS FHIR API, with robust test coverage across three repositories. The work emphasized business value by improving clinician search efficiency, enabling reliable data retrieval, and increasing QA coverage while ensuring UI consistency and regulatory compliance.
April 2025 monthly summary focused on delivering UI and API regression improvements for prescription tracking, with emphasis on reliability, performance, and user visibility. Implemented UI components for prescription details (banner, item cards with prescribed vs dispensed items, and a message history timeline) and improved the user profile banner rendering. Expanded regression test coverage for prescription information display and message history across the UI and API regression suite.
April 2025 monthly summary focused on delivering UI and API regression improvements for prescription tracking, with emphasis on reliability, performance, and user visibility. Implemented UI components for prescription details (banner, item cards with prescribed vs dispensed items, and a message history timeline) and improved the user profile banner rendering. Expanded regression test coverage for prescription information display and message history across the UI and API regression suite.
March 2025 focused on delivering end-to-end Prescription ID search capabilities in both API regression tests and the UI, with strengthened validation, routing integration, and test coverage. The work enhances lookup reliability, reduces triage time, and improves user experience for prescription retrieval.
March 2025 focused on delivering end-to-end Prescription ID search capabilities in both API regression tests and the UI, with strengthened validation, routing integration, and test coverage. The work enhances lookup reliability, reduces triage time, and improves user experience for prescription retrieval.
February 2025 monthly summary: Across two NHSDigital repos, delivered critical RBAC improvements for stability and usability in both API regression tests and the UI, reducing test flakiness and enhancing user experience during role changes. Achieved tighter access control correctness, clearer role context banners (including locum support), and a robust edge-case fix for single-role users.
February 2025 monthly summary: Across two NHSDigital repos, delivered critical RBAC improvements for stability and usability in both API regression tests and the UI, reducing test flakiness and enhancing user experience during role changes. Achieved tighter access control correctness, clearer role context banners (including locum support), and a robust edge-case fix for single-role users.
January 2025 monthly summary: Delivered deployment automation and access-control enhancements across the Electronic Prescription ecosystem. Implemented Proxygen-based deployment for FHIR facade prescribing and dispensing APIs with accompanying scripts and workflow/config updates, enabling consistent environments and regression testing. Advanced role-based login and role selection flows in regression tests and UI, including one-role access, pre-role selection, and persistence of selected roles. Added CPTS access-denied regression tests and no-access UI with AccessProvider to improve UX for restricted users. Stabilized the regression suite by pinning test references to v2.5.0, ensuring repeatable CI results. These changes drive faster releases, improved security and user experience, and stronger test reliability.
January 2025 monthly summary: Delivered deployment automation and access-control enhancements across the Electronic Prescription ecosystem. Implemented Proxygen-based deployment for FHIR facade prescribing and dispensing APIs with accompanying scripts and workflow/config updates, enabling consistent environments and regression testing. Advanced role-based login and role selection flows in regression tests and UI, including one-role access, pre-role selection, and persistence of selected roles. Added CPTS access-denied regression tests and no-access UI with AccessProvider to improve UX for restricted users. Stabilized the regression suite by pinning test references to v2.5.0, ensuring repeatable CI results. These changes drive faster releases, improved security and user experience, and stronger test reliability.
December 2024 monthly summary focusing on delivering user-guided UI, backend integration for prescription search, security-flag risk mitigation, and expanded test coverage. The work enabled clearer user flow, faster access to prescription data, reduced false security alerts, and stronger quality assurance.
December 2024 monthly summary focusing on delivering user-guided UI, backend integration for prescription search, security-flag risk mitigation, and expanded test coverage. The work enabled clearer user flow, faster access to prescription data, reduced false security alerts, and stronger quality assurance.
2024-11 monthly summary for NHSDigital/electronic-prescription-service-account-resources: Delivered Proxygen key provisioning and access control for EPS FHIR APIs, fixed key output inaccuracies, and reinforced security and automation through IaC changes.
2024-11 monthly summary for NHSDigital/electronic-prescription-service-account-resources: Delivered Proxygen key provisioning and access control for EPS FHIR APIs, fixed key output inaccuracies, and reinforced security and automation through IaC changes.
Concise monthly summary for 2024-10 focusing on NHSDigital/electronic-prescription-service-account-resources. The month centered on hardening secret access controls and enabling secure inter-service access for dependent components. No major bug fixes were logged in this scope; security-related work dominated the month.
Concise monthly summary for 2024-10 focusing on NHSDigital/electronic-prescription-service-account-resources. The month centered on hardening secret access controls and enabling secure inter-service access for dependent components. No major bug fixes were logged in this scope; security-related work dominated the month.
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