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Cheng Jing

PROFILE

Cheng Jing

Over eight months, JC contributed to the flexera-public/policy_templates repository, building and refining cloud policy automation for Azure and AWS environments. JC engineered features such as Azure instance size flexibility tables and cost optimization logic, integrating API data sources and scripting in Python and JavaScript. Their work included backend enhancements for log aggregation, policy parameter validation, and robust error handling, ensuring accurate cost analysis and reliable policy execution. JC addressed bugs in memory metrics, authentication, and SQL reporting, while maintaining documentation and version control. The depth of their contributions improved policy maintainability, data fidelity, and operational stability across cloud cost management workflows.

Overall Statistics

Feature vs Bugs

39%Features

Repository Contributions

32Total
Bugs
11
Commits
32
Features
7
Lines of code
2,409
Activity Months8

Your Network

11 people

Shared Repositories

11
Aatish GuptaMember
Bryan KaraffaMember
Cheng JingMember
Julfkar UmarMember
Jose ZunigaMember
midir99Member
Nia Velinor-FraserMember
RajasundarMember
Ryan HarperMember

Work History

March 2026

1 Commits • 1 Features

Mar 1, 2026

March 2026 monthly summary focusing on policy_templates improvements: Implemented a 31-day cap for the Days of Usage parameter in the Low Usage Report policy to align with Flexera billing API constraints. Updated the policy_templates repository with an upper limit, ensuring policy correctness and compatibility. No major bug fixes were reported this month; all changes are forward-compatible with existing deployments.

December 2025

4 Commits

Dec 1, 2025

December 2025 monthly work summary for flexera-public/policy_templates: Delivered critical bug fixes and release engineering improvements to AWS Rightsize policy and policy versioning. Resolved undefined/null references in AWS Rightsize EC2 policy, ensured safe initialization for instance size maps, and prevented undefined members in AWS account information retrieval. Stabilized versioning and clarified CHANGELOG entries across template policies, with a version bump to align with released changes. Business value: reduced policy runtime errors in production, improved reliability of Rightsize recommendations, and smoother upgrade path for customers.

October 2025

1 Commits

Oct 1, 2025

October 2025 monthly summary for the flexera-public/policy_templates repository, focusing on correcting the DTU metrics display and refining Azure SQL cost analysis. The work delivered improves data accuracy, aligns metrics with actual usage, and strengthens decision support for Azure SQL cost management.

August 2025

7 Commits • 2 Features

Aug 1, 2025

Monthly summary for 2025-08 focusing on delivering precise cloud savings calculations for Azure and AWS superseded instances, with code quality improvements and documentation updates in policy_templates.

July 2025

3 Commits • 1 Features

Jul 1, 2025

2025-07 Monthly Summary for flexera-public/policy_templates focusing on key feature delivery, major bug fixes, and overall impact. Delivered two primary changes: (1) Azure Instance Size Flexibility Ratio Table – introduced a data-driven table to mirror AWS Normal Form Units, wired into the azure_compute_instance_types.py script, fetching and validating ratios from a remote Azure URL, and corrected the invocation to create_instance_size_flexibility_ratio_table. Commits: cf150e75a8dc0bb5bab9c8c345c7d7125fa5fdcb; 4111fc6567c7b7bb95cd244ff85aaf3d47e44f9a. (2) ITAM Policies Cleanup: Removed the ITAM VMs Missing Host ID policy due to accuracy issues, removing the policy template, related changelog, README, and updating CSV/YAML listings to reflect the removal. Commit: 17e7537649c8e7376124d48451ce2b22cddc4b2c. Key business value: improved data fidelity and governance for cloud policy templates, enabling more accurate capacity planning and cost insights for Azure vs AWS. Overall impact: reduced risk from incorrect policy configurations, introduced cross-cloud sizing alignment, and strengthened maintenance hygiene. Top business outcomes: better policy governance, more reliable compute sizing data, and clearer traceability of changes.

May 2025

9 Commits • 3 Features

May 1, 2025

May 2025 performance highlights for flexera-public/policy_templates: delivered data reliability improvements, performance optimizations, policy template enhancements, and documentation quality improvements. Key outcomes include complete and timestamp-ordered Azure logs via data source pagination; safer runtime with null checks on powerstate; performance uplift by migrating to Metrics Batch API for rightsizing; policy template enhancements including service field and updated defaults with versioning; comprehensive Azure policy documentation updates and changelog wording.

March 2025

6 Commits

Mar 1, 2025

Summary for 2025-03: In flexera-public/policy_templates, delivered high-impact fixes and stability improvements around memory metrics and Azure policy authentication, improving accuracy, security posture, and policy reliability. Key work includes memory statistics display bug fix for Azure compute memory usage (now shows percentage, e.g., 31%), Entra OAuth authentication support for Azure Blob policy via x-ms-version header (policy version 0.1.1), rightsizing policy memory calculation bug fix correcting average available memory calculation (version 6.1.2), and changelog/documentation improvements clarifying memory metrics. These changes reduce operator confusion, improve decision quality for resource sizing, and strengthen policy interoperability with Azure authentication flows. The changes are tied to commits aefd7068af88212e55d86f4ee96029d6f1fb1827, 2e12e71120205e93cf537ae77ce2f5ec15e749aa, 09867e9c4575175138ec5ec000cd98d159336556, fccca913acae5da31abc0b5b09b2c6ac3ca529f4, b596b7394ab04b9e249239e07e50bd87705af054, b44f8acc4b8cc850b101014f079130c12de24a10.

February 2025

1 Commits

Feb 1, 2025

Feb 2025 monthly summary for flexera-public/policy_templates: Focused on cleaning up maintenance overhead and clarifying data sources in the Azure Rightsizing Policy Template. Removed an unused datasource 'ds_azure_skus' to reduce confusion and potential misconfigurations, improving maintainability and governance of policy templates. Implemented as a targeted patch with commit a64fee1dd8b84bd7b8ba85fa06ccd5043672e2dc.

Activity

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Quality Metrics

Correctness91.6%
Maintainability90.0%
Architecture86.2%
Performance86.2%
AI Usage21.8%

Skills & Technologies

Programming Languages

CSVHCLJavaScriptMarkdownPythonRubyYAMLjavascriptjsonplaintext

Technical Skills

API IntegrationAPI integrationAWSAuthenticationAzureBackend DevelopmentCloud ComplianceCloud ComputingCloud Cost ManagementCloud Cost OptimizationCloud Data ManagementCloud Policy ManagementCode RemovalData HandlingData Integration

Repositories Contributed To

1 repo

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

flexera-public/policy_templates

Feb 2025 Mar 2026
8 Months active

Languages Used

RubyHCLJavaScriptMarkdownPythonjavascriptCSVYAML

Technical Skills

Policy as CodeAuthenticationAzureCloud Cost OptimizationCloud Policy ManagementDocumentation