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Ryan McLean

PROFILE

Ryan Mclean

Ryan McLean developed and maintained the govuk-one-login/authentication-api, delivering a robust serverless authentication and account management platform over six months. He engineered features such as multi-factor authentication, bulk user management, and secure API Gateway integrations using AWS Lambda, CloudFormation, and IAM policy management. Ryan implemented Infrastructure as Code for repeatable deployments, strengthened security through policy hardening, and introduced CI/CD pipelines with GitHub Actions. He also enhanced operational visibility with CloudWatch and SQS-based monitoring. His work included Python scripting and YAML configuration, resulting in a scalable, auditable backend that improved deployment reliability, security compliance, and streamlined user lifecycle management.

Overall Statistics

Feature vs Bugs

100%Features

Repository Contributions

38Total
Bugs
0
Commits
38
Features
11
Lines of code
11,273
Activity Months6

Work History

February 2026

1 Commits • 1 Features

Feb 1, 2026

February 2026 monthly summary for the govuk-one-login/authentication-api focusing on delivering scalable authentication utilities via AWS Lambda and Infrastructure as Code (IaC) for bulk user management and email processing. Established deployment workflows and integrated with AWS services (CloudWatch and DynamoDB) to enhance observability, reliability, and throughput of the authentication API. This work supports streamlined user operations, faster onboarding, and improved operational visibility.

January 2026

1 Commits • 1 Features

Jan 1, 2026

January 2026: Delivered AM Feature API Test Tag Filtering and Environment-Specific Test Configuration in govuk-one-login/authentication-acceptance-tests. Business value: targeted API test execution, reduced flakiness, and environment-aligned test endpoints. Major bugs fixed: none documented; stability improved through deterministic test setup. Overall impact: faster, more reliable acceptance testing for AM feature, enabling safer deployments. Technologies demonstrated: Cucumber tag-based filtering, environment-driven test configuration, and test setup automation.

December 2025

3 Commits • 2 Features

Dec 1, 2025

Month: 2025-12 | Repository: govuk-one-login/authentication-api. Key outcomes: two security and clarity features completed. 1) API Gateway Authorizer Role Security Hardening: tightened permissions management and control for delegated permissions to reduce permissions errors. Commits included: a3767716e54b4520708c0e8744368b1eb405a4fc (BAU: Remove role to avoid permissions error) and db81c9fdc84ad69403f3f09cad9d1997d6617d31 (BAU Add Perm Boundry to AuthRole). 2) Codebase naming clarity for OTP notification: renamed account-management-send-otp-notification to send-otp-notification to improve clarity and consistency. Commit: d3c4ebb520dafbbbcb46d8dbaddcdd52648afc4a. No major bugs fixed this month. Impact: improved security posture, reduced risk of misconfiguration, and clearer, more maintainable code paths for OTP notifications. Technologies/skills demonstrated: AWS API Gateway, IAM permissions design, secure role management, code refactoring, naming convention enforcement, and Git-based change management.

November 2025

12 Commits • 3 Features

Nov 1, 2025

Delivered end-to-end enhancements for the API Account Management service with a focus on secure, reliable deployments and strengthened access control. Implemented CI/CD pipelines, security hardening, and API Gateway Lambda authorizers, delivering safer deployments, reduced operational risk, and clearer governance. Technologies demonstrated include GitHub Actions, AWS SAM, Lambda, API Gateway, Redis, and IAM.

October 2025

17 Commits • 3 Features

Oct 1, 2025

Month: 2025-10 — Delivered a consolidated serverless authentication and account management platform with MFA, OTP, Lambda-based user updates, account deletion, and API gateway integration. Migrated core auth components and updated API schema inline (openapi_v2.yaml); completed Authorizer API migration to improve security and reliability. Strengthened security and access control for account management via IAM policy migrations, KMS key access, and policy updates for functional equivalence, including adding matching policies. Implemented end-to-end monitoring and notifications through SQS-based handlers and CloudWatch alarms, with SNS & CloudWatch migration for unified observability. These changes deliver improved security posture, streamlined user lifecycle flows, reduced operational risk, and a scalable serverless foundation for future features.

September 2025

4 Commits • 1 Features

Sep 1, 2025

September 2025 monthly summary for govuk-one-login/authentication-api: Delivered the Account Interventions API Stub (Backend and API Infrastructure) to enable testing and integration of account intervention flows. Implemented a Lambda stub with DynamoDB access, a private API Gateway stub exposing an OpenAPI /auth path, and environment-consistent naming plus code signing to ensure secure, auditable deployments across environments. This work establishes a testable, secure foundation for future intervention features and reduces integration risk across teams.

Activity

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Quality Metrics

Correctness95.8%
Maintainability86.8%
Architecture93.6%
Performance85.8%
AI Usage21.0%

Skills & Technologies

Programming Languages

PythonShellTOMLYAMLbashyaml

Technical Skills

API DevelopmentAPI GatewayAPI developmentAPI managementAPI testingAWSAWS CloudFormationAWS IAMAWS IAM policiesAWS LambdaBackend DevelopmentCI/CDCloud InfrastructureCloudFormationCode Signing

Repositories Contributed To

2 repos

Overview of all repositories you've contributed to across your timeline

govuk-one-login/authentication-api

Sep 2025 Feb 2026
5 Months active

Languages Used

TOMLyamlYAMLPythonShell

Technical Skills

API GatewayAWSAWS CloudFormationAWS LambdaCloudFormationCode Signing

govuk-one-login/authentication-acceptance-tests

Jan 2026 Jan 2026
1 Month active

Languages Used

bash

Technical Skills

API testingCucumbertest automation