
Mark Ramsden developed and maintained core authentication and template management services for NHSDigital, focusing on security, scalability, and developer efficiency. Working across repositories such as nhs-notify-iam-webauth and nhs-notify-web-template-management, he engineered features like JWKS-based authentication, automated key rotation with AWS Lambda, and DynamoDB-backed user management. Mark applied infrastructure-as-code practices using Terraform, modernized CI/CD pipelines with GitHub Actions, and enhanced test reliability through Jest and Playwright. His work included dependency upgrades, data migration tooling, and accessibility improvements, resulting in robust, auditable systems. The depth of his contributions reflects strong backend development, cloud security, and cross-stack integration skills in TypeScript and AWS.
January 2026 monthly summary for NHSDigital/nhs-notify-web-template-management focusing on user identity data migration and tooling updates. Delivered a structured migration of user identifiers to a new data structure, accompanied by Jest configuration and package management changes to support the migration. All work is captured under CCM-11889: migrate updated created fields (#786).
January 2026 monthly summary for NHSDigital/nhs-notify-web-template-management focusing on user identity data migration and tooling updates. Delivered a structured migration of user identifiers to a new data structure, accompanied by Jest configuration and package management changes to support the migration. All work is captured under CCM-11889: migrate updated created fields (#786).
Monthly summary for 2025-12: Key features delivered - NHSDigital/nhs-notify-web-template-management: Dependency upgrades for security hardening and performance (Next.js, React, Sharp). Commits CCM-13480: npm-audit-fix (#775) 55ad915014520a0938f290dcb07a4b0fd97249c5 and CCM-13579: security updates (#780) 4bcb04a0a579a8c78de6aa102866759ebbb85902. Also InternalUserId refactor across API handlers and tests to use internalUserId (commit CCM-11889: use internal user id (#777) 4095435a1231620a0599ac224461973fa5e4baf1). - NHSDigital/nhs-notify-iam-webauth: Security Patch and Dependency Upgrades to latest secure versions (commits CCM-13480: npm-audit-fix (#487) 62410e8089229803e699fd13c6e313a5f4760fe5 and CCM-13579: security updates (#489) ccb73fd772b94304ef5cf7652a5664d4b78148a0). Enhanced User Identification in Token Generation (CCM-11889: add internal user id to token (#480) bb75b1a06d56fcc131543fe9dc71a77def314632). - NHSDigital/nhs-notify-system-tests: User Records Management Testing in DynamoDB (System Tests) to enhance flows for creating/deleting users and mapping internal/external identities (CCM-11889: update system tests for ddb client membership (#133) b5d75e2d9e3715d244cbc9cb3e7e91ce6e1861b5). Major bugs fixed - Security vulnerabilities addressed through npm audit fixes and dependency upgrades across web-template-management and iam-webauth, improving overall security posture and stability (CCM-13480, CCM-13579). Overall impact and accomplishments - Strengthened security posture across frontend and authentication services, with clearer user identity and enhanced auditing capabilities. Expanded end-to-end testing coverage for DynamoDB-based user management to reduce risk and accelerate safe deployments. Technologies/skills demonstrated - Next.js, React, Sharp, Node.js; npm audit remediation and dependency management; internalUserId refactor across API layers; token generation with internal user ID; DynamoDB system testing and client membership flows.
Monthly summary for 2025-12: Key features delivered - NHSDigital/nhs-notify-web-template-management: Dependency upgrades for security hardening and performance (Next.js, React, Sharp). Commits CCM-13480: npm-audit-fix (#775) 55ad915014520a0938f290dcb07a4b0fd97249c5 and CCM-13579: security updates (#780) 4bcb04a0a579a8c78de6aa102866759ebbb85902. Also InternalUserId refactor across API handlers and tests to use internalUserId (commit CCM-11889: use internal user id (#777) 4095435a1231620a0599ac224461973fa5e4baf1). - NHSDigital/nhs-notify-iam-webauth: Security Patch and Dependency Upgrades to latest secure versions (commits CCM-13480: npm-audit-fix (#487) 62410e8089229803e699fd13c6e313a5f4760fe5 and CCM-13579: security updates (#489) ccb73fd772b94304ef5cf7652a5664d4b78148a0). Enhanced User Identification in Token Generation (CCM-11889: add internal user id to token (#480) bb75b1a06d56fcc131543fe9dc71a77def314632). - NHSDigital/nhs-notify-system-tests: User Records Management Testing in DynamoDB (System Tests) to enhance flows for creating/deleting users and mapping internal/external identities (CCM-11889: update system tests for ddb client membership (#133) b5d75e2d9e3715d244cbc9cb3e7e91ce6e1861b5). Major bugs fixed - Security vulnerabilities addressed through npm audit fixes and dependency upgrades across web-template-management and iam-webauth, improving overall security posture and stability (CCM-13480, CCM-13579). Overall impact and accomplishments - Strengthened security posture across frontend and authentication services, with clearer user identity and enhanced auditing capabilities. Expanded end-to-end testing coverage for DynamoDB-based user management to reduce risk and accelerate safe deployments. Technologies/skills demonstrated - Next.js, React, Sharp, Node.js; npm audit remediation and dependency management; internalUserId refactor across API layers; token generation with internal user ID; DynamoDB system testing and client membership flows.
Month: 2025-11 Concise monthly summary: - Delivered a core scalability and reliability upgrade in NHSDigital/nhs-notify-iam-webauth by migrating Cognito client groups to DynamoDB. This reduces latency for client-group lookups and enables more predictable horizontal scaling for IAM-related data. - Established a Jest-based testing setup and aligned package management to support robust automated testing for the migration and ongoing maintenance. - These changes position the IAM service for future feature work and easier ongoing maintenance, aligning with business needs for reliability and cost-effective scalability. Overall, the work enhances data access patterns, test coverage, and release confidence, contributing to improved user authentication performance and system resilience.
Month: 2025-11 Concise monthly summary: - Delivered a core scalability and reliability upgrade in NHSDigital/nhs-notify-iam-webauth by migrating Cognito client groups to DynamoDB. This reduces latency for client-group lookups and enables more predictable horizontal scaling for IAM-related data. - Established a Jest-based testing setup and aligned package management to support robust automated testing for the migration and ongoing maintenance. - These changes position the IAM service for future feature work and easier ongoing maintenance, aligning with business needs for reliability and cost-effective scalability. Overall, the work enhances data access patterns, test coverage, and release confidence, contributing to improved user authentication performance and system resilience.
October 2025: Delivered two key capabilities across core services with measurable business value. In nhs-notify-web-gateway, PDF Upload Support in Letter Templates enabled PDF uploads via create/edit endpoints by relaxing AWS WAF rules and adjusting SQLi handling, while maintaining protection with a dedicated multipart/form-data rule. In nhs-notify-iam-webauth, Frontend Build and Code Quality Enhancements improved build reliability and code quality through dependency updates, favicon configuration refactor, and tightened pre-commit/editorconfig tooling. Overall impact: safer, more capable template workflows and faster, more maintainable frontend builds. Technologies demonstrated: AWS WAF tuning, SQLi handling strategies, multipart/form-data processing, dependency management, pre-commit tooling, and editorconfig enforcement.
October 2025: Delivered two key capabilities across core services with measurable business value. In nhs-notify-web-gateway, PDF Upload Support in Letter Templates enabled PDF uploads via create/edit endpoints by relaxing AWS WAF rules and adjusting SQLi handling, while maintaining protection with a dedicated multipart/form-data rule. In nhs-notify-iam-webauth, Frontend Build and Code Quality Enhancements improved build reliability and code quality through dependency updates, favicon configuration refactor, and tightened pre-commit/editorconfig tooling. Overall impact: safer, more capable template workflows and faster, more maintainable frontend builds. Technologies demonstrated: AWS WAF tuning, SQLi handling strategies, multipart/form-data processing, dependency management, pre-commit tooling, and editorconfig enforcement.
September 2025 highlights security hardening and safe-ops improvements across two NHSDigital services. Delivered two security-focused changes with traceable commits: AWS SDK update in nhs-notify-iam-webauth and WAF allowlist update for letter template uploads in nhs-notify-web-gateway. There were no major bug fixes in scope this month. These changes reduce security risk, improve deployment safety, and enhance reliability of core user workflows. Demonstrated skills in AWS security, firewall rule management, and change-tracking using CCM tickets.
September 2025 highlights security hardening and safe-ops improvements across two NHSDigital services. Delivered two security-focused changes with traceable commits: AWS SDK update in nhs-notify-iam-webauth and WAF allowlist update for letter template uploads in nhs-notify-web-gateway. There were no major bug fixes in scope this month. These changes reduce security risk, improve deployment safety, and enhance reliability of core user workflows. Demonstrated skills in AWS security, firewall rule management, and change-tracking using CCM tickets.
August 2025 monthly summary for NHSDigital Notify repos focusing on security, reliability, and maintainability improvements across three services. Key features delivered: (1) CIS2 Authentication via JWKS in nhs-notify-iam-webauth — removed deprecated client secret authentication and migrated Terraform configurations and Lambda logic to exclusively use JWKS for authentication, strengthening security. (2) Web Application Firewall update in nhs-notify-web-gateway — enabled the 'create' action for large-payload template creation, with a backwards-compatible rule to ensure correct handling of new template creation requests. (3) CI/CD tooling and maintenance in nhs-notify-web-template-management — enhancements to pre-commit configuration and GitHub Actions to newer versions, plus routine dependency maintenance and AWS SDK upgrades to improve reliability, security, and test robustness. Overall, this month delivered stronger security controls, more robust deployment pipelines, and a cleaner, more maintainable codebase across the Notify platform.
August 2025 monthly summary for NHSDigital Notify repos focusing on security, reliability, and maintainability improvements across three services. Key features delivered: (1) CIS2 Authentication via JWKS in nhs-notify-iam-webauth — removed deprecated client secret authentication and migrated Terraform configurations and Lambda logic to exclusively use JWKS for authentication, strengthening security. (2) Web Application Firewall update in nhs-notify-web-gateway — enabled the 'create' action for large-payload template creation, with a backwards-compatible rule to ensure correct handling of new template creation requests. (3) CI/CD tooling and maintenance in nhs-notify-web-template-management — enhancements to pre-commit configuration and GitHub Actions to newer versions, plus routine dependency maintenance and AWS SDK upgrades to improve reliability, security, and test robustness. Overall, this month delivered stronger security controls, more robust deployment pipelines, and a cleaner, more maintainable codebase across the Notify platform.
July 2025 performance focused on establishing robust CI/CD and test reporting foundations across NHSDigital’s notification projects, delivering cross-repo standardization, improved reliability, and scalable workflows. The work reduced manual steps in testing and deployment, improved traceability of test results, and set the groundwork for faster release cycles.
July 2025 performance focused on establishing robust CI/CD and test reporting foundations across NHSDigital’s notification projects, delivering cross-repo standardization, improved reliability, and scalable workflows. The work reduced manual steps in testing and deployment, improved traceability of test results, and set the groundwork for faster release cycles.
June 2025 monthly summary for NHSDigital development efforts across identity and template management services. Focused on security hardening, environment standardization, and RTL workflow improvements. Delivered features with clear business value: stronger authentication via JWKS, standardized costing with Cognito Essentials tier, and RTL-specific template handling to reduce manual validation overhead while preserving correctness.
June 2025 monthly summary for NHSDigital development efforts across identity and template management services. Focused on security hardening, environment standardization, and RTL workflow improvements. Delivered features with clear business value: stronger authentication via JWKS, standardized costing with Cognito Essentials tier, and RTL-specific template handling to reduce manual validation overhead while preserving correctness.
May 2025: Delivered security, reliability, and efficiency improvements across identity and template management services. Implemented JWKS key rotation via AWS Lambda with automated KMS key lifecycle and public JWKS updates in S3, reducing exposure risk and improving rotation compliance. Optimized OAuth2 login polling to lower resource usage and enhance user experience. Released a data migration tool for user templates in DynamoDB with pre/post-backups to S3 and CLI configurability, enabling safer ownership transfers. Streamlined CI/CD by omitting dev dependencies during npm ci, cutting build footprint and accelerating feedback loops. Introduced automated test data cleanup and deterministic testing to maintain clean test environments and improve test reliability. These changes collectively improve security, performance, cost efficiency, and developer productivity.
May 2025: Delivered security, reliability, and efficiency improvements across identity and template management services. Implemented JWKS key rotation via AWS Lambda with automated KMS key lifecycle and public JWKS updates in S3, reducing exposure risk and improving rotation compliance. Optimized OAuth2 login polling to lower resource usage and enhance user experience. Released a data migration tool for user templates in DynamoDB with pre/post-backups to S3 and CLI configurability, enabling safer ownership transfers. Streamlined CI/CD by omitting dev dependencies during npm ci, cutting build footprint and accelerating feedback loops. Introduced automated test data cleanup and deterministic testing to maintain clean test environments and improve test reliability. These changes collectively improve security, performance, cost efficiency, and developer productivity.
April 2025 monthly summary: Delivered the Shared Sandbox KMS Key Provisioning feature for NHSDigital/nhs-notify-iam-webauth. Implemented a reusable Terraform module to provision an account-scoped KMS key with configurable account ID, component, environment, project, region, deletion window, and alias, exposing the ARN as an output for secure sandbox key management. No major bugs fixed this month; emphasis on secure, standardized sandbox access. Business impact: accelerates sandbox onboarding, reduces manual effort, and strengthens security governance with auditable key management. Technologies demonstrated: Terraform module design, parameterization, AWS KMS integration, Terraform outputs, and infrastructure-as-code best practices.
April 2025 monthly summary: Delivered the Shared Sandbox KMS Key Provisioning feature for NHSDigital/nhs-notify-iam-webauth. Implemented a reusable Terraform module to provision an account-scoped KMS key with configurable account ID, component, environment, project, region, deletion window, and alias, exposing the ARN as an output for secure sandbox key management. No major bugs fixed this month; emphasis on secure, standardized sandbox access. Business impact: accelerates sandbox onboarding, reduces manual effort, and strengthens security governance with auditable key management. Technologies demonstrated: Terraform module design, parameterization, AWS KMS integration, Terraform outputs, and infrastructure-as-code best practices.
March 2025 performance summary: Delivered user-facing navigation reliability improvements and security-focused infrastructure enhancements across two NHSDigital Notify projects. Key wins include footer navigation correctness, tests refactor, and CI workflow updates; security tooling improvements with a secret scanner upgrade; a new public signing keys infrastructure module with IaC (S3, CloudFront, ACM, WAF) and domain uniqueness prep. These efforts improved navigation for policy/access pages, strengthened governance and security posture, and modernized CI/CD pipelines.
March 2025 performance summary: Delivered user-facing navigation reliability improvements and security-focused infrastructure enhancements across two NHSDigital Notify projects. Key wins include footer navigation correctness, tests refactor, and CI workflow updates; security tooling improvements with a secret scanner upgrade; a new public signing keys infrastructure module with IaC (S3, CloudFront, ACM, WAF) and domain uniqueness prep. These efforts improved navigation for policy/access pages, strengthened governance and security posture, and modernized CI/CD pipelines.
February 2025 focused on delivering user-centric UX improvements, stabilizing end-to-end tests, and enhancing infrastructure across NHS Notify repos. Highlights include removing backend confirmation emails on template submissions, CIS2 login test modernization, test infrastructure stabilization, CloudFront-based query-string forwarding, and CIS2 sign-in button UI/accessibility enhancements. Collectively these changes reduce user noise, increase test confidence, and accelerate release readiness, delivering measurable business value.
February 2025 focused on delivering user-centric UX improvements, stabilizing end-to-end tests, and enhancing infrastructure across NHS Notify repos. Highlights include removing backend confirmation emails on template submissions, CIS2 login test modernization, test infrastructure stabilization, CloudFront-based query-string forwarding, and CIS2 sign-in button UI/accessibility enhancements. Collectively these changes reduce user noise, increase test confidence, and accelerate release readiness, delivering measurable business value.
Month: 2025-01 Key deliverables focused on CIS2 authentication integration and routing security for the NHSDigital/nhs-notify-iam-webauth repository. Key features delivered: - CIS2 Login Flow Integration across frontend and infrastructure (environment variables, Terraform, Amplify outputs, OAuth state handling) to provide a streamlined authentication experience for the CIS2 provider. Related commits include ee132324752ded316311f6e476885f94f0fa3185, 83b14855e409bc8d990ab4e5afc7e95cd6f9a6ce, and 8e4e5f0bdab65f76e8d008b2387e21e3eeb0868b (CCM-7847, CCM-8251, CCM-8451). - Next.js Server Actions Origin and Root Redirect Fix: Corrected allowed origins handling using NOTIFY_DOMAIN_NAME and added a redirect from root to the configured base path to ensure correct routing and security. Commit: 82cb9142dd088bef928e1689a241009171483d4c (CCM-7847). Major bugs fixed: - Fix allowed origins handling for Next.js server actions and ensure root path routing aligns with configured base path, reducing potential misrouting and security gaps. (Commit 82cb9142). Overall impact and accomplishments: - Improved authentication reliability and user experience for CIS2 provider access, enabling faster onboarding and fewer integration issues across frontend and infrastructure. - Strengthened security posture through explicit origin handling and enforced routing to the base path, mitigating misrouting risks. - Reduced configuration drift by consolidating environment/config changes and ensuring consistent propagation through Terraform, Amplify, and Next.js server actions. Technologies/skills demonstrated: - Frontend and infrastructure integration (Next.js, OAuth, environment variables, Terraform, Amplify outputs). - Cross-stack collaboration between frontend, infrastructure, and domain configuration. - Emphasis on security hardening (NOTIFY_DOMAIN_NAME usage, OAuth state handling, root path redirects).
Month: 2025-01 Key deliverables focused on CIS2 authentication integration and routing security for the NHSDigital/nhs-notify-iam-webauth repository. Key features delivered: - CIS2 Login Flow Integration across frontend and infrastructure (environment variables, Terraform, Amplify outputs, OAuth state handling) to provide a streamlined authentication experience for the CIS2 provider. Related commits include ee132324752ded316311f6e476885f94f0fa3185, 83b14855e409bc8d990ab4e5afc7e95cd6f9a6ce, and 8e4e5f0bdab65f76e8d008b2387e21e3eeb0868b (CCM-7847, CCM-8251, CCM-8451). - Next.js Server Actions Origin and Root Redirect Fix: Corrected allowed origins handling using NOTIFY_DOMAIN_NAME and added a redirect from root to the configured base path to ensure correct routing and security. Commit: 82cb9142dd088bef928e1689a241009171483d4c (CCM-7847). Major bugs fixed: - Fix allowed origins handling for Next.js server actions and ensure root path routing aligns with configured base path, reducing potential misrouting and security gaps. (Commit 82cb9142). Overall impact and accomplishments: - Improved authentication reliability and user experience for CIS2 provider access, enabling faster onboarding and fewer integration issues across frontend and infrastructure. - Strengthened security posture through explicit origin handling and enforced routing to the base path, mitigating misrouting risks. - Reduced configuration drift by consolidating environment/config changes and ensuring consistent propagation through Terraform, Amplify, and Next.js server actions. Technologies/skills demonstrated: - Frontend and infrastructure integration (Next.js, OAuth, environment variables, Terraform, Amplify outputs). - Cross-stack collaboration between frontend, infrastructure, and domain configuration. - Emphasis on security hardening (NOTIFY_DOMAIN_NAME usage, OAuth state handling, root path redirects).
December 2024 - NHSDigital/nhs-notify-iam-webauth: Focused on delivering a robust authentication integration and enhancing security posture for backend services. Key features delivered: - CIS2 Identity Provider integration with AWS Cognito (OpenID Connect) for nhs-notify-iam-webauth, including attribute mappings and security configurations. This work is tied to commit a0a9be4755c83a95f92165062f70d4a356091522 (CCM-7651: CIS2 backend (#124)). - IAM policy updates to broaden AWS service access and refined Amplify domain association handling to support secure deployment and service access. Major bugs fixed: - No major bugs documented for this scope in December 2024. Overall impact and accomplishments: - Enables secure, scalable authentication via CIS2 with AWS Cognito, improving authentication reliability for downstream services and strengthening security posture. - Improves maintainability and traceability of authentication flows with clear commit references and governance. Technologies/skills demonstrated: - AWS Cognito, CIS2/OpenID Connect, IAM policy management, Amplify domain handling, identity federation, security configuration.
December 2024 - NHSDigital/nhs-notify-iam-webauth: Focused on delivering a robust authentication integration and enhancing security posture for backend services. Key features delivered: - CIS2 Identity Provider integration with AWS Cognito (OpenID Connect) for nhs-notify-iam-webauth, including attribute mappings and security configurations. This work is tied to commit a0a9be4755c83a95f92165062f70d4a356091522 (CCM-7651: CIS2 backend (#124)). - IAM policy updates to broaden AWS service access and refined Amplify domain association handling to support secure deployment and service access. Major bugs fixed: - No major bugs documented for this scope in December 2024. Overall impact and accomplishments: - Enables secure, scalable authentication via CIS2 with AWS Cognito, improving authentication reliability for downstream services and strengthening security posture. - Improves maintainability and traceability of authentication flows with clear commit references and governance. Technologies/skills demonstrated: - AWS Cognito, CIS2/OpenID Connect, IAM policy management, Amplify domain handling, identity federation, security configuration.
October 2024: Strengthened the security and stability of the NHSDigital/nhs-notify-web-template-management project by delivering behind-the-scenes dependency updates via Dependabot. No user-facing features were released this month; the changes reduce security risk, improve maintainability, and prepare the codebase for upcoming feature work. Accomplishments align with CCM-7258 and emphasize reliable releases, compliance readiness, and solid tooling practices.
October 2024: Strengthened the security and stability of the NHSDigital/nhs-notify-web-template-management project by delivering behind-the-scenes dependency updates via Dependabot. No user-facing features were released this month; the changes reduce security risk, improve maintainability, and prepare the codebase for upcoming feature work. Accomplishments align with CCM-7258 and emphasize reliable releases, compliance readiness, and solid tooling practices.

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