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kirill-stepanishin

PROFILE

Kirill-stepanishin

Worked extensively on apache/tinkerpop and aws/amazon-neptune-for-graphql, delivering features that improved developer experience, reliability, and maintainability. Built cross-language CI validation for Gremlin examples, migrated JavaScript drivers to GremlinLang-based queries, and overhauled serialization with GraphBinary v4, using JavaScript, TypeScript, and Python. Enhanced GraphQL schema flexibility and Neptune DB integration, adding IAM support and robust test coverage. Upgraded AWS Lambda runtimes, modernized dependencies, and introduced precise numeric handling in gremlin-javascript. Focused on automation, configuration management, and open source compliance, ensuring scalable, production-ready workflows and consistent code quality across full stack and backend development environments.

Overall Statistics

Feature vs Bugs

93%Features

Repository Contributions

24Total
Bugs
1
Commits
24
Features
14
Lines of code
111,309
Activity Months7

Work History

May 2026

6 Commits • 3 Features

May 1, 2026

May 2026 monthly summary: Delivered targeted features and reliability enhancements across two core repos, with modernization of runtimes and dependencies, and extended GraphQL capabilities. Focused on business value through reliability, compliance, and data fidelity improvements.

April 2026

7 Commits • 3 Features

Apr 1, 2026

April 2026 focused on strengthening the GraphQL integration and Neptune DB workflow, delivering measurable business value through schema enhancements, robust test coverage, and improved CI/CD processes. The team advanced core capabilities while stabilizing deployments and increasing maintainability across the repository aws/amazon-neptune-for-graphql.

March 2026

2 Commits • 2 Features

Mar 1, 2026

March 2026 performance-focused delivery in Apache TinkerPop focusing on graph serialization and language bindings. Key outcomes include the GraphBinary v4 migration for Gremlin-JS with a complete test overhaul and the enhancement of GremlinLang numeric handling in JavaScript. This work improves data interchange efficiency, reliability, and developer productivity, while laying groundwork for the upcoming v4 framing migration.

February 2026

1 Commits • 1 Features

Feb 1, 2026

February 2026: Delivered a major architectural migration in the apache/tinkerpop project to GremlinLang-based queries, standardizing on gremlin-lang strings and removing the Bytecode path. Implemented the GremlinLang class and updated GraphTraversalSource/GraphTraversal and Client to accumulate and submit gremlin-lang strings. Removed Bytecode, Translator, BytecodeSerializer and their tests; cleaned up GraphSON/GraphBinary serializers. Refactored configuration by extracting OptionsStrategy into RequestOptions for timeout, batchSize, and bulkResults. This TP4-aligned refactor reduces complexity, improves maintainability, and enables more reliable client/server interactions with consistent business value.

January 2026

4 Commits • 2 Features

Jan 1, 2026

January 2026 monthly summary for apache/tinkerpop. Focused on stabilizing and scaling language-agnostic Gremlin example validation in CI and enabling remote connectivity for Java examples. Delivered automated cross-language example validation, enhanced configurability, and improved consistency between root-level and GLV-level tests, driving higher build health and production readiness.

November 2025

3 Commits • 2 Features

Nov 1, 2025

November 2025: Delivered notable enhancements to the Python driver integration layer in Apache TinkerPop, focusing on CI automation, environment compatibility, and API ergonomics. Implemented automated testing of Python driver examples, made critical configuration adjustable via environment variables, and introduced automatic Vertex wrapping to simplify edge creation. These changes improve testing reliability across environments, strengthen compatibility with the latest TinkerPop master, and reduce boilerplate in example usage, accelerating developer onboarding and release confidence.

October 2025

1 Commits • 1 Features

Oct 1, 2025

For 2025-10, delivered foundational GLV (Gremlin Language Variant) improvements in the apache/tinkerpop project. Key changes include introducing a new root-level directory for GLV examples, enforcing the use of published driver versions to simplify adoption, and addressing issues in existing GLV examples across multiple languages to improve reliability and documentation. This work enhances developer onboarding, reduces runtime friction, and contributes to a more robust, user-friendly GLV experience.

Activity

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Quality Metrics

Correctness95.4%
Maintainability85.8%
Architecture87.8%
Performance84.6%
AI Usage30.0%

Skills & Technologies

Programming Languages

C#GoJSONJavaJavaScriptPythonTypeScriptYAMLasciidoc

Technical Skills

API DevelopmentAPI IntegrationAWSAWS CDKAWS LambdaAWS SDKC#CI/CDContinuous IntegrationCross-Platform DevelopmentDockerDocumentationESLintFull Stack DevelopmentGitHub Actions

Repositories Contributed To

2 repos

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

apache/tinkerpop

Oct 2025 May 2026
6 Months active

Languages Used

C#GoJavaJavaScriptPythonasciidocYAMLTypeScript

Technical Skills

API DevelopmentCross-Platform DevelopmentDocumentationFull Stack DevelopmentTestingAPI Integration

aws/amazon-neptune-for-graphql

Apr 2026 May 2026
2 Months active

Languages Used

JSONJavaScriptTypeScript

Technical Skills

API DevelopmentAWSAWS CDKAWS LambdaESLintGitHub Actions