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David Kazlauskas

PROFILE

David Kazlauskas

Deividas Kazlauskas developed core backend features for the zama-ai/fhevm repository, focusing on native FHE operations and blockchain integration. He designed and implemented a native API in Go, enabling efficient session management and execution of FHE computations, while introducing storage queues and a global ciphertext cache to optimize throughput and state consistency. Deividas also built CLI tooling for coprocessor management and integrated Protobuf bindings to streamline executor definitions. His work included performance enhancements such as preloading ciphertexts on node restart and ongoing code refactoring for maintainability. Throughout, he leveraged Go, Rust, and Protocol Buffers to deliver robust, production-ready solutions.

Overall Statistics

Feature vs Bugs

78%Features

Repository Contributions

20Total
Bugs
2
Commits
20
Features
7
Lines of code
5,346
Activity Months2

Work History

December 2024

3 Commits • 2 Features

Dec 1, 2024

December 2024 monthly summary for zama-ai/fhevm. Focused on performance enhancements and maintainability for production-worthy operation. Key improvements include a new ciphertext preload path on blockchain node restart to reduce restart latency and accelerate pending computations, alongside ongoing code quality initiatives and dependency modernization.

November 2024

17 Commits • 5 Features

Nov 1, 2024

November 2024 (2024-11) monthly summary for zama-ai/fhevm: Delivered foundational native API and core execution for FHEVM in Go, enabling native FHE operations; implemented storage queues, native computation storage, and a global ciphertext cache to improve throughput and correct state management; expanded operator tooling with Coprocessor CLI, binary structure refactor, and configurable key directory support; added Protobuf bindings and Go integration to align executor definitions with protobuf-generated types; extended testing with a new CLI smoke test framework and query tools. Major bugs fixed include actionable test failure reporting by replacing assert patterns with panics, and cleanup of deprecated fhevm-go-native components, resulting in a leaner, more maintainable codebase.

Activity

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Quality Metrics

Correctness86.4%
Maintainability87.0%
Architecture85.0%
Performance82.6%
AI Usage23.0%

Skills & Technologies

Programming Languages

GoRustSolidityTOMLYAMLprotobuf

Technical Skills

API DesignAsynchronous ProgrammingBackend DevelopmentBlockchainBlockchain DevelopmentBuild System ConfigurationCI/CDCLI DevelopmentCachingCode GenerationCode OptimizationCommand Line Interface (CLI)ConcurrencyConfiguration ManagementCryptography

Repositories Contributed To

1 repo

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

zama-ai/fhevm

Nov 2024 Dec 2024
2 Months active

Languages Used

GoRustSolidityTOMLYAMLprotobuf

Technical Skills

API DesignAsynchronous ProgrammingBackend DevelopmentBlockchainBlockchain DevelopmentBuild System Configuration

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