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Danny Povolotski

PROFILE

Danny Povolotski

Over a three-month period, this developer contributed to supabase/auth, grafana/k6, and facebook/react-native, focusing on backend and build reliability. They implemented Solana Ledger off-chain message signing in supabase/auth, enhancing security and interoperability for hardware wallet users by updating signature verification and adding Ledger-specific tests using Kotlin and cryptography skills. In grafana/k6, they improved WebSocket load testing realism by adding close code and reason support, resolving a concurrency data race, and strengthening test reliability with Go. For facebook/react-native, they addressed a Gradle Kotlin DSL regression, restoring build compatibility for out-of-tree platforms and improving cross-platform integration workflows.

Overall Statistics

Feature vs Bugs

67%Features

Repository Contributions

3Total
Bugs
1
Commits
3
Features
2
Lines of code
278
Activity Months3

Work History

March 2026

1 Commits

Mar 1, 2026

March 2026 monthly summary for facebook/react-native: Delivered a targeted Gradle Kotlin DSL fix to restore build compatibility for out-of-tree platforms and prevent a regression affecting non-standard wrappers.

December 2025

1 Commits • 1 Features

Dec 1, 2025

December 2025 (grafana/k6): Delivered WebSocket close codes and reason support, enhanced close-event handling, and strengthened reliability. Fixed a data race in the WebSocket code and hardened tests to be non-leaky, while addressing lint issues to improve CI stability. These changes increase realism for WebSocket load testing and reduce flaky runs, delivering clear business value to users relying on accurate close-event simulation.

August 2025

1 Commits • 1 Features

Aug 1, 2025

In August 2025, the auth repo delivered Solana Ledger off-chain message signing support, enabling secure signing of Solana messages with a Ledger hardware wallet. This included implementing ledger-specific message formatting, adding tests for Ledger-signed messages, and updating signature verification to accommodate Ledger formatting. These changes improve security and broaden the ecosystem's hardware wallet compatibility for Solana workflows, reducing friction for users integrating Ledger with off-chain Solana interactions. The work also establishes groundwork for enterprise-grade signing flows and future cross-wallet interoperability in the Solana signing space.

Activity

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Quality Metrics

Correctness96.6%
Maintainability86.6%
Architecture86.6%
Performance86.6%
AI Usage20.0%

Skills & Technologies

Programming Languages

GoJavaScriptKotlin

Technical Skills

Backend DevelopmentConcurrency HandlingCryptographyGradleKotlinSolanaTestingWeb3WebSocket Developmentbuild configuration

Repositories Contributed To

3 repos

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

supabase/auth

Aug 2025 Aug 2025
1 Month active

Languages Used

Go

Technical Skills

Backend DevelopmentCryptographySolanaWeb3

grafana/k6

Dec 2025 Dec 2025
1 Month active

Languages Used

GoJavaScript

Technical Skills

Concurrency HandlingTestingWebSocket Development

facebook/react-native

Mar 2026 Mar 2026
1 Month active

Languages Used

Kotlin

Technical Skills

GradleKotlinbuild configuration