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matt heery

PROFILE

Matt Heery

Matt Heery engineered and maintained core cloud infrastructure for the ministryofjustice/modernisation-platform-environments repository, delivering secure data pipelines, scalable data lakes, and robust access controls. Heery implemented features such as SFTP servers, IAM federation, and automated data exports, while refactoring Terraform modules and integrating AWS services like Lambda, S3, and SQS. Using Python, HCL, and Terraform, he streamlined CI/CD workflows, enforced least-privilege access, and improved data governance through Lake Formation and granular IAM policies. His work addressed operational risk by hardening security, simplifying environment provisioning, and enabling compliant, reliable data movement, reflecting a deep understanding of cloud engineering and DevOps practices.

Overall Statistics

Feature vs Bugs

30%Features

Repository Contributions

339Total
Bugs
141
Commits
339
Features
60
Lines of code
17,069
Activity Months7

Work History

October 2025

41 Commits • 12 Features

Oct 1, 2025

October 2025 performance focused on delivering scalable data exports, reliable data pipelines, governance enhancements, and developer tooling improvements. The work strengthened business value through faster data extraction, more reliable event processing, tighter access controls, and enhanced development workflows across environments and platforms.

September 2025

76 Commits • 11 Features

Sep 1, 2025

September 2025 performance summary for ministryofjustice/modernisation-platform-environments: Delivered core infra and data platform enhancements with measurable business value. Key features include a Buddi SFTP server, expansion of the data schema with two new tables, and infrastructure hardening (IP permissions and SSH configuration) to strengthen security and reliability. Strengthened governance with a policy and role enabling EM to create Airflow policies. Improved operational reliability and maintenance through code cleanup and release hygiene, complemented by messaging infrastructure improvements via an SQS queue. Additional enhancements include unified S3 endpoint usage across all jobs and ongoing alignment with security tooling and encryption strategy updates.

August 2025

34 Commits • 3 Features

Aug 1, 2025

August 2025 monthly summary for ministryofjustice/modernisation-platform-environments. Delivered secure data loading and processing capabilities, expanded test coverage, and hardened permission models across data lakes and identity layers. Focused on enabling ServiceNow data loading, UDF processing, end-to-end validation, and stable data access controls, translating to reduced operational risk and accelerated delivery of compliant data assets.

July 2025

85 Commits • 8 Features

Jul 1, 2025

July 2025 performance highlights for ministryofjustice/modernisation-platform-environments. Delivered secure secrets management for ServiceNow, established IAM roles and Lambda infrastructure, and advanced data-plane capabilities with Snow DB integration. Implemented production-only secrets access and IAM hardening, enhanced CI/CD deployment readiness with an Airflow tag update, and completed database/table enhancements to support scalable environment provisioning. These changes reduce time-to-market for new environments, improve security posture, and enable governed, scalable deployments across environments.

June 2025

13 Commits • 4 Features

Jun 1, 2025

June 2025 monthly summary for ministryofjustice/modernisation-platform-environments. Focused on security hardening, IAM federation improvements, data processing enablement, and CI/CD reliability. Delivered measurable business value through strengthened security controls, clearer access governance, and more maintainable infrastructure pipelines, enabling scalable data operations with reduced operational risk.

May 2025

45 Commits • 14 Features

May 1, 2025

May 2025: Focused on hardening the Modernisation Platform Environments, enabling secure data movement and governance while removing legacy/unused configurations to improve prod readiness. Delivered SFTP transfer infrastructure for LCM, GPS, Centurion (including a dedicated new SFTP server for LCM), introduced new key material, and added Lambda role ARN support. Completed extensive environment cleanup—removing dev/prod artifacts and outdated configurations—to reduce risk and accelerate deployment. Strengthened security and governance through Checkov remediation, updated Glue catalog behavior, and clarified cross-account data permissions.

April 2025

45 Commits • 8 Features

Apr 1, 2025

April 2025 monthly summary for ministryofjustice/modernisation-platform-environments. Delivered a targeted set of security, data governance, and infrastructure improvements, expanding capabilities while simplifying maintenance. Key features and major fixes delivered this month include: 1) RAM Permissions and RAM Shares Enablement: Extended role-based access with RAM permissions and RAM shares management, enabling scalable, granular cross-account access governance for critical environments. 2) Resource Sharing, Grants, and Lake Formation Permissions: Implemented grantable permissions, resource sharing permissions, resource permissions, and Lake Formation permissions; added runner role permissions; removed an unnecessary S3 bucket grant to reduce exposure and simplify access control. 3) Database Schema and Ireland Infrastructure: Added a new database, defined table schema, and established an Ireland-based environment to meet data residency and compliance requirements. 4) New SFTP Server for LCM Data: Introduced a dedicated SFTP server to support secure LCM data transfers, improving reliability and throughput for data movement. 5) Data Filtering and Cleanup Improvements: Completed a suite of data filtering fixes and cleanup, including distinct filter naming, permissions alignment, and the removal/refactor of legacy data cells filters to reduce edge cases and improve UX. Overall impact: Strengthened security posture with fine-grained access control, improved data governance, and expanded region-specific infrastructure, enabling compliant data handling and faster delivery of data-driven features. Streamlined maintenance through code consolidation and refactoring efforts, while enhancing data transfer capabilities. Technologies/Skills demonstrated: Cloud IAM (RAM), cross-account access management, Lake Formation permissions, data filtering logic, SFTP/secure data transfer, Postgre/SQL schema design (implied by database schema work), region-specific infrastructure deployment, and ongoing code maintainability through modular consolidation.

Activity

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Quality Metrics

Correctness86.4%
Maintainability88.6%
Architecture85.2%
Performance80.6%
AI Usage20.4%

Skills & Technologies

Programming Languages

HCLPythonSQLTerraform

Technical Skills

AWSAWS GlueAWS IAMAWS Lake FormationAWS LambdaAWS S3AWS WAFAccess ControlAthenaCI/CDCloudCloud ConfigurationCloud EngineeringCloud InfrastructureCloud Platform Management

Repositories Contributed To

2 repos

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

ministryofjustice/modernisation-platform-environments

Apr 2025 Oct 2025
7 Months active

Languages Used

HCLTerraformPythonSQL

Technical Skills

AWSAWS Lake FormationCloudCloud EngineeringCloud InfrastructureCloud Platform Management

ministryofjustice/modernisation-platform

Oct 2025 Oct 2025
1 Month active

Languages Used

No languages

Technical Skills

No skills

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