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Dominik Tworek

PROFILE

Dominik Tworek

During four months on the govuk-one-login/ipv-core-back and ipv-stubs repositories, Daniel Tworek focused on stability, compatibility, and testability across backend and frontend services. He reintroduced identity reproving support in the ipv-stubs orchestrator, enabling more robust QA scenarios by restoring JWT claims and UI controls using Java and JavaScript. Daniel stabilized IAM permissions for the ManualF2fReset Lambda and maintained CI/CD reliability by managing CloudFormation and GitHub Actions workflows. He also addressed dependency regressions by reverting unstable upgrades, ensuring uninterrupted service. His work demonstrated careful change management, cross-environment consistency, and a disciplined approach to risk reduction and release engineering.

Overall Statistics

Feature vs Bugs

20%Features

Repository Contributions

11Total
Bugs
4
Commits
11
Features
1
Lines of code
1,891
Activity Months4

Work History

October 2025

6 Commits

Oct 1, 2025

2025-10 monthly summary: Focused on stability, compatibility, and risk reduction across ipv-core services by implementing disciplined rollback procedures for upgrade regressions. Frontend stability restored by reverting unstable upgrades across AWS SDK (SSM and DynamoDB), i18next, GitHub Action linting, and pino-http. Backend compatibility restored by downgrading junit-platform-launcher to a known-good version. Result: uninterrupted service, preserved business operations, and improved confidence in upgrade readiness. Demonstrated strong collaboration, release engineering, and technical execution.

September 2025

2 Commits • 1 Features

Sep 1, 2025

Month 2025-09: Delivered reintroduced support for reprove_identity in ipv-stubs orchestrator, enabling identity reproving testing scenarios. Restored inclusion of reproveIdentity claim in JWTs and added a UI control to configure its value for testing purposes. This work involved reverting prior removals to re-enable the feature, maintaining traceability across commits. Impact: improved test coverage for identity reproving, smoother QA workflows, and more accurate simulation of identity reproving in staging environments. Technologies/skills demonstrated: JWTs, orchestrator stub development, UI control integration, and careful change management (reversions) for feature stability.

August 2025

1 Commits

Aug 1, 2025

Month: 2025-08 — No new features delivered for govuk-one-login/ipv-core-back. Primary focus was stabilizing the Cosign installer to ensure reliable build and signing workflows. Reverted sigstore/cosign-installer from 3.9.2 back to 3.9.1 to resolve issues introduced by the newer version, as recorded in commit fbbb9306d5dedc926a54f705c9a955f97b4696a3.

July 2025

2 Commits

Jul 1, 2025

July 2025 monthly summary for govuk-one-login/ipv-core-back: Delivered a stabilization fix for the ManualF2fReset Lambda IAM permissions across build, staging, and production. Consolidated two related permission toggle commits (revert and revert-of-revert) to achieve a single stable policy state, ensuring required permissions exist for automated reset flows and reducing deployment/runtime risk.

Activity

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Quality Metrics

Correctness74.6%
Maintainability78.2%
Architecture74.6%
Performance72.8%
AI Usage20.0%

Skills & Technologies

Programming Languages

JavaJavaScriptMustacheShellTOMLTypeScriptYAMLyaml

Technical Skills

AWSAWS CloudFormationBackend DevelopmentBuild Tool ConfigurationCI/CDCloudFormationDependency ManagementDevOpsFront End DevelopmentGitHub ActionsIAMJava DevelopmentJavaScriptNode.jsStub Development

Repositories Contributed To

3 repos

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

govuk-one-login/ipv-core-front

Oct 2025 Oct 2025
1 Month active

Languages Used

JavaScriptShellTypeScriptyaml

Technical Skills

Backend DevelopmentCI/CDDependency ManagementDevOpsFront End DevelopmentGitHub Actions

govuk-one-login/ipv-core-back

Jul 2025 Oct 2025
3 Months active

Languages Used

YAMLTOML

Technical Skills

AWSAWS CloudFormationCloudFormationIAMCI/CDGitHub Actions

govuk-one-login/ipv-stubs

Sep 2025 Sep 2025
1 Month active

Languages Used

JavaMustache

Technical Skills

Backend DevelopmentJava DevelopmentStub Development

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