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Harish Marimuthu

PROFILE

Harish Marimuthu

Hari Marimuthu engineered secure, automated deployment workflows across several Companies House repositories, including overseas-entities-web, psc-data-api, and test-data-generator. He focused on infrastructure as code using Terraform and Docker, implementing controlled module upgrades and integrating Vault-based secrets management to enhance security and compliance. In test-data-generator, Hari delivered end-to-end ECS deployment with ERIC reverse proxy integration, automated test-data provisioning, and routing stabilization through YAML and ALB configuration. His work emphasized dependency hygiene, security hardening via Maven updates, and robust CI/CD integration. Throughout, he ensured traceable, auditable changes, reducing deployment toil and improving the reliability and security of cloud infrastructure.

Overall Statistics

Feature vs Bugs

100%Features

Repository Contributions

16Total
Bugs
0
Commits
16
Features
4
Lines of code
613
Activity Months3

Work History

October 2025

14 Commits • 2 Features

Oct 1, 2025

2025-10 monthly summary for companieshouse/test-data-generator focused on delivering a secure, automated test-data provisioning workflow and stabilizing deployment infrastructure. Key implementations include end-to-end deployment with ERIC reverse proxy integration, ECS deployment scaffolding, Dockerfile, and Terraform changes, plus routing and ALB exposure for automated test-data provisioning and secure, auditable access. Security hardening and compliance improvements were achieved through Maven dependency upgrades and Vault-based secret delivery to ECS. Routing stability was improved by reintroducing routes.yaml, fixing LB listener paths, and removing obsolete files. Additional quality and governance work included Sonar project key integration and SBOM tracking. Overall, these efforts reduce deployment toil, accelerate testing, and enhance security posture and compliance.

June 2025

1 Commits • 1 Features

Jun 1, 2025

June 2025 monthly summary for companieshouse/psc-data-api. Delivered a security-focused Terraform module upgrade for the ECS service and secrets, enabling read-only root filesystem (ROFS). This change reduces blast radius and aligns with best practices, with all work traceable to commit DVOP-3032. Validated across environments and integrated with existing CI/CD workflows to maintain deployment stability.

November 2024

1 Commits • 1 Features

Nov 1, 2024

November 2024 (2024-11) monthly summary for repository overseas-entities-web focused on release engineering and Terraform module maintenance. Delivered a controlled version update for Terraform modules (ecs-service and secrets) from 1.0.293 to 1.0.294. All changes are fully traceable to a single commit (DVOP-3032, hash e43830c4b057c4b6dd860de747fa9db30c011bbc).

Activity

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Quality Metrics

Correctness89.4%
Maintainability89.4%
Architecture86.8%
Performance83.6%
AI Usage20.0%

Skills & Technologies

Programming Languages

BashDockerfileJavaMakefileMarkdownShellTerraformXMLYAML

Technical Skills

AWSAWS ECSBuild AutomationCI/CDCloud InfrastructureConfiguration ManagementDependency ManagementDevOpsDockerDocumentationECSInfrastructure as CodeSSM Parameter StoreSecrets ManagementSecurity

Repositories Contributed To

3 repos

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

companieshouse/test-data-generator

Oct 2025 Oct 2025
1 Month active

Languages Used

BashDockerfileJavaMakefileMarkdownShellTerraformXML

Technical Skills

AWSAWS ECSBuild AutomationCI/CDCloud InfrastructureConfiguration Management

companieshouse/overseas-entities-web

Nov 2024 Nov 2024
1 Month active

Languages Used

Terraform

Technical Skills

DevOpsInfrastructure as Code

companieshouse/psc-data-api

Jun 2025 Jun 2025
1 Month active

Languages Used

Terraform

Technical Skills

DevOpsInfrastructure as Code

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