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Vincent.Cheung

PROFILE

Vincent.cheung

Over a nine-month period, this developer engineered and maintained cloud infrastructure for the Ministry of Justice, focusing on security, reliability, and automation across the ministryofjustice/modernisation-platform and related repositories. They delivered features such as secure Application Load Balancer routing, dynamic firewall policies, and modular workspace management using Terraform and AWS. Their work included upgrading RDS engines, implementing network segmentation with Transit Gateway, and enhancing CI/CD governance with GitHub Actions. By addressing configuration drift, automating policy enforcement, and resolving deployment issues in Bash and HCL, they improved platform stability, access control, and compliance while supporting rapid, auditable infrastructure changes.

Overall Statistics

Feature vs Bugs

62%Features

Repository Contributions

90Total
Bugs
20
Commits
90
Features
33
Lines of code
465,409
Activity Months9

Work History

July 2026

9 Commits • 3 Features

Jul 1, 2026

July 2026 monthly summary for developer work across MOJ platforms. Focused on enhancing network connectivity, tightening firewall policies, and improving testing capabilities for LAA WorkSpaces. Key outcomes include Transit Gateway routing enhancements, LAA firewall policy cleanup and rule-management, and sandbox-based testing enablement. A security regression was addressed via rollback to sandbox configuration, with traceable commits across both environments.

June 2026

44 Commits • 14 Features

Jun 1, 2026

June 2026 delivered substantial platform hardening, networking optimization, and automation improvements across three repositories. The team implemented security and reliability upgrades in preproduction networking (RDS engine updates and HTTPS target groups), expanded threat detection with Suricata rules, and introduced modular workspace management for LAA environments. We also advanced CI/CD stability and policy governance through repeated pipeline maintenance and AWS IAM/policy enhancements, reducing deployment risk and enabling scalable growth.

May 2026

8 Commits • 2 Features

May 1, 2026

May 2026 monthly summary for ministryofjustice/modernisation-platform-environments: Delivered security and reliability enhancements across WorkSpaces, ALB-based ingress, and IaC. Key features include IP-based WorkSpaces access with Windows Server 2025 upgrade and updated workspace bundles; HTTPS ingress via Application Load Balancer on port 9501 with updated target groups, listener, and routing rules; and a Terraform syntax fix to restore correct configuration. Major bugs fixed include removal of an extraneous bracket in Terraform configuration. Overall impact: strengthened security posture, improved secure traffic routing, and more maintainable IaC with improved alignment to compliance requirements. Technologies demonstrated include AWS networking (ALB, target groups, security groups), Windows Server 2025 upgrade, Terraform IaC, OAS-based HTTPS testing, and secure-by-default infrastructure design.

February 2026

4 Commits • 3 Features

Feb 1, 2026

February 2026 performance summary for the Ministry of Justice modernisation platform. Delivered security and routing enhancements across environments and MojFin integrations, improving production access control for devices and the reliability of static content delivery. Also fixed a configuration issue to prevent deployment errors, strengthening overall platform stability and compliance.

January 2026

9 Commits • 4 Features

Jan 1, 2026

January 2026 monthly summary focusing on delivering secure access controls, reliable LB configurations, and testing capabilities across the MoJO environments. Work emphasized business value through hardened security, improved access governance, and faster validation of critical platforms (WebLogic/OAS) in preproduction, while preserving stability through targeted fixes and controlled rollbacks.

December 2025

1 Commits

Dec 1, 2025

December 2025: Delivered a targeted infrastructure fix to update the support contact channel for MAAT-related infrastructure inquiries across the MAAT application and MAAT database configuration. The change ensures the new crime assessment support email is used consistently, improving incident response, routing accuracy, and service reliability. A single, well-scoped commit maintains traceability and auditability.

November 2025

3 Commits • 1 Features

Nov 1, 2025

Month 2025-11 focused on infrastructure modernization and hardening for the environments repository, delivering security-first architecture changes, dynamic DNS naming, and simplified networking by removing the external ALB in favor of internal load balancing. Consolidated core infra updates, stabilized Bastion-related components, and addressed configuration drifts to reduce risk and improve maintainability.

June 2025

4 Commits • 2 Features

Jun 1, 2025

June 2025: Infrastructure enhancements and bug fixes across the Ministry of Justice modernisation platforms, delivering critical admin access capabilities, cross-segment connectivity, and reliability improvements through IaC changes.

May 2025

8 Commits • 4 Features

May 1, 2025

2025-05 monthly summary focusing on key business-aligned outcomes across three repositories. Delivered feature cleanups, access enablement, governance improvements, and environment reliability. Notable outcomes include decommissioning legacy MAAT Court API ECR and namespace, enabling LAA STG Windows to CCR RDS access for staging/testing, updating MAATDB CI/CD reviewer configuration and CODEOWNERS, and introducing environment-aware RDS security group referencing and skip-scheduling to improve stability across environments. All work contributed to cost reduction, security posture, faster test cycles, and consistent CI/CD governance.

Activity

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Quality Metrics

Correctness96.2%
Maintainability93.0%
Architecture93.0%
Performance91.8%
AI Usage20.8%

Skills & Technologies

Programming Languages

BashHCLJSONMarkdownTerraformYAML

Technical Skills

AWSAWS IAMCI/CDCloud EngineeringCloud InfrastructureCloud Infrastructure ManagementCloud Platform ConfigurationCloud Platform ManagementCloud SecurityCode Review ManagementDevOpsGitHub ActionsInfrastructure as CodeKubernetesNetwork Security

Repositories Contributed To

4 repos

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

ministryofjustice/modernisation-platform-environments

May 2025 Jul 2026
8 Months active

Languages Used

TerraformHCLBashYAMLJSON

Technical Skills

Cloud EngineeringCloud InfrastructureDevOpsInfrastructure as CodeTerraformCloud Infrastructure Management

ministryofjustice/modernisation-platform

May 2025 Jul 2026
7 Months active

Languages Used

YAMLHCLJSONMarkdown

Technical Skills

CI/CDCode Review ManagementDevOpsGitHub ActionsInfrastructure as CodeNetwork Security

ministryofjustice/cloud-platform-environments

May 2025 May 2025
1 Month active

Languages Used

HCLYAML

Technical Skills

AWSCloud Platform ConfigurationCloud Platform ManagementCloud SecurityInfrastructure as CodeKubernetes

ministryofjustice/aws-root-account

Jun 2026 Jun 2026
1 Month active

Languages Used

No languages

Technical Skills

AWS IAMInfrastructure as CodeTerraform