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Xinni Tong

PROFILE

Xinni Tong

Xin Tong spent 15 months modernizing and standardizing Azure API specifications, focusing on large-scale Swagger-to-TypeSpec migrations across the Azure/azure-rest-api-specs and related repositories. Xin led efforts to refactor and align API models, streamline CI/CD validation, and enhance code generation workflows, using TypeScript, YAML, and PowerShell scripting. By removing legacy decorators, clarifying request and response structures, and improving dependency management, Xin reduced maintenance overhead and enabled more reliable client SDK generation. The work emphasized cross-service consistency, automation readiness, and documentation clarity, resulting in a more maintainable API surface and smoother onboarding for new Azure services and contributors.

Overall Statistics

Feature vs Bugs

92%Features

Repository Contributions

47Total
Bugs
2
Commits
47
Features
24
Lines of code
1,059,197
Activity Months15

Your Network

4811 people

Same Organization

@microsoft.com
4432
GitOpsMember
Ananta GuptaMember
Abigail HartmanMember
Abram SandersonMember
Adam EttenbergerMember
Ami HollanderMember
AndersMember
Andrej KyselicaMember
Andrew MalkovMember

Work History

April 2026

2 Commits • 1 Features

Apr 1, 2026

April 2026: Executed a strategic migration of API specifications from Swagger to TypeSpec across mikeharder/azure-rest-api-specs, focusing on SQL resource specs and Azure Resource Health. This work standardizes API definitions, reduces drift, and accelerates downstream client generation and automation. The migration lays the groundwork for unified API governance and easier onboarding of new services.

March 2026

2 Commits • 1 Features

Mar 1, 2026

March 2026: Migrated Cognitive Services management API specs from Swagger to TypeSpec, updated models/interfaces, cleaned legacy Swagger files, and refined request/response structures. This work aligns the repo with TypeSpec tooling, reduces maintenance debt, and sets the foundation for scalable client generation across services.

February 2026

2 Commits • 1 Features

Feb 1, 2026

February 2026 — Azure/azure-rest-api-specs: Delivered API Specifications Standardization and Modernization. Normalized Swagger model naming and properties and migrated API specs from Swagger to TypeSpec to improve documentation clarity, type safety, and maintainability for Azure Cognitive Services and Azure Search APIs. This work reduces ambiguity, enables consistent docs across services, and sets the stage for future modernization across the API surface.

January 2026

3 Commits • 3 Features

Jan 1, 2026

January 2026 (Month: 2026-01) focused on strengthening API surface maintainability and policy automation in Azure REST API specs. Delivered TypeSpec migrations for ProviderHub and API Management, and enhanced Key Vault management templates for access policy creation/update. These changes improve maintainability, consistency across APIs, and automation readiness, enabling faster onboarding of new APIs and smoother integration with downstream tooling. No major bugs fixed this month; work centered on feature migrations and template enhancements with clear auditability through commit messages.

December 2025

3 Commits • 3 Features

Dec 1, 2025

December 2025 monthly summary for Azure/azure-rest-api-specs. Focused on delivering high-impact API spec migrations to TypeSpec and targeted documentation cleanup to improve clarity and maintainability. This work establishes a stronger foundation for scalable APIs, accelerates future feature work, and reduces maintenance burden for consumers and contributors.

November 2025

2 Commits • 1 Features

Nov 1, 2025

November 2025 monthly summary for Azure/azure-rest-api-specs focusing on delivering accessibility enhancements and tooling reliability in API specifications.

October 2025

1 Commits • 1 Features

Oct 1, 2025

October 2025: Delivered Azure Compute API Definitions Standardization and Refactor in azure-rest-api-specs, removing the @bodyRoot decorators, clarifying request/response types, and introducing an OptionalRequestBody flag to improve tooling support, developer experience, and API consistency. This work reduces ambiguity for clients and downstream code generation, enabling faster iteration and higher quality across the Azure REST API surface.

September 2025

12 Commits • 2 Features

Sep 1, 2025

Sep 2025: Modernization and standardization of API specs in welovej/azure-rest-api-specs. Migrated critical APIs from Swagger to TypeSpec for Redis, Quota, and Key Vault to enable consistent code generation and tooling compatibility. Performed comprehensive TypeSpec cleanup (removing private decorators, simplifying interfaces) across DNS, BotService, DataBox, ConnectedCluster, EdgeOrder, Maintenance, HybridKubernetes, and others, and improved CI for TypeSpec migration validation. Delivered across-team collaboration, reducing maintenance overhead and accelerating downstream development.

August 2025

4 Commits • 2 Features

Aug 1, 2025

Month: 2025-08 – Focused on expanding API spec validation and completing TypeSpec migrations to improve consistency and release readiness. Key work included extending CI validation for TypeSpec migrations and delivering Swagger-to-TypeSpec migrations for Billing Benefits and DataBox, along with targeted model cleanup in CloudHsmCluster. No critical bugs fixed this month; primary gains come from broader validation coverage, clearer TypeSpec models, and smoother migration workflows, reducing risk in production rollouts.

July 2025

8 Commits • 2 Features

Jul 1, 2025

July 2025 monthly summary for welovej/azure-rest-api-specs: Executed a major API-spec modernization (Swagger to TypeSpec) across six Azure services, and introduced Resource Model Flexibility improvements to reduce breaking changes and improve deployment flexibility. No critical defects were reported; stability remained high. This work enhances maintainability, tooling compatibility, and readiness for future code generation, with cross-service standardization enabling faster onboarding of new services and stronger developer experience.

April 2025

2 Commits • 1 Features

Apr 1, 2025

April 2025 monthly summary focused on delivering robust .NET SDK alignment for hybrid connectivity, stabilizing code generation for C# SDK, and expanding HybridConnectivity capabilities through multi-cloud support. Key work spanned two repos with targeted bug fixes and a feature upgrade intended to enhance SDK compatibility, reduce integration risk, and enable broader deployment scenarios.

February 2025

1 Commits • 1 Features

Feb 1, 2025

February 2025 performance summary for welovej/azure-rest-api-specs focused on targeted maintenance of build tooling and dependency hygiene. Delivered a build tooling upgrade to keep the OpenAPI tooling pipeline current and reduce risk of build failures. No major user-facing features or bug fixes were reported for this period; the primary value comes from proactive maintenance that stabilizes the development lifecycle and supports reliable API spec generation.

January 2025

2 Commits • 2 Features

Jan 1, 2025

January 2025 monthly summary focusing on key accomplishments and business impact across two critical repos. Implemented essential dependency updates and hotfix integration to improve stability, compatibility, and performance of REST code generation and OpenAPI tooling.

November 2024

2 Commits • 2 Features

Nov 1, 2024

Month: 2024-11 — Performance summary focusing on delivering business value and technical improvements across azure-sdk-for-net and welovej/azure-rest-api-specs. Two notable work items delivered this month: App Certificate management enhancements in the Azure App Service SDK with nullable properties during create/update and HTTP 202 support; cleanup of Track1 build configuration in the azure-rest-api-specs repository to streamline builds and generation.

October 2024

1 Commits • 1 Features

Oct 1, 2024

October 2024: Focused on refactoring and standardizing the Azure Resource Management Test Project within Azure/autorest.csharp to improve maintainability and prepare for release. Key changes include namespace and class renaming, consolidation of common properties, updated file paths and project references, and alignment with the latest dependency ecosystem. Also updated cadl-ranch-specs to 0.38.0 to ensure compatibility with upcoming releases.

Activity

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Quality Metrics

Correctness92.0%
Maintainability92.0%
Architecture91.6%
Performance81.6%
AI Usage25.6%

Skills & Technologies

Programming Languages

C#JSONMarkdownPowerShellShellTypeScriptTypeSpecTypescriptTypespecYAML

Technical Skills

API DesignAPI DevelopmentAPI SpecificationAPI Specification ManagementAPI VersioningApp ServiceAzureAzure Resource ManagementAzure Resource ManagerAzure SDKAzure SDK DevelopmentAzure ServicesCI/CDCloud ComputingCloud Infrastructure

Repositories Contributed To

5 repos

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

welovej/azure-rest-api-specs

Nov 2024 Sep 2025
7 Months active

Languages Used

YAMLShellTypescriptTypeScriptTypeSpecTypespectsp

Technical Skills

API Specification ManagementCode Generation ConfigurationDependency ManagementAPI SpecificationSDK GenerationAPI Design

Azure/azure-rest-api-specs

Oct 2025 Mar 2026
6 Months active

Languages Used

TypescriptPowerShellTypeScriptMarkdownTypeSpecJSON

Technical Skills

API DesignTypeSpecAPI DevelopmentAzure SDKTypeScriptregex

Azure/autorest.csharp

Oct 2024 Jan 2025
2 Months active

Languages Used

C#YAML

Technical Skills

Code OrganizationNamespace ManagementProject ManagementRefactoringCI/CDPackage Management

azure-sdk/azure-sdk-for-net

Nov 2024 Apr 2025
2 Months active

Languages Used

C#

Technical Skills

API DesignApp ServiceAzure SDKAPI VersioningSDK Generation

mikeharder/azure-rest-api-specs

Apr 2026 Apr 2026
1 Month active

Languages Used

JSONTypeSpec

Technical Skills

API DevelopmentAzureAzure SDKSwaggerTypeScriptTypeSpec