Oleg Parashchenko

Oleg Parashchenko

Fullstack developer
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About

- Rust, TypeScript, Python - LLMs, Amazon Web Services (AWS), Kubernetes - On par with AI, machine learning and data scientists and engineers - GPM/IPMA certification in project management - With AI-assisted coding skills - Unlimited EU work permit issued in Germany

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Oleg Parashchenko•

6d ago

Streaming JSON in Rust - Terabytes of JSON, kilobytes of memory

Streaming JSON is a set of Rust libraries for parsing and transforming JSON using a sliding window approach, without loading the full document into memory. It includes: - "RJiter": a streaming JSON parser - "scan_json": trigger actions during parsing by matching keys and nested structures - "id_transform": copy input to output, a base for JSON rewriting - "ddb_convert": convert JSON to/from DynamoDB format, 12× faster than Python and 2× faster than a baseline Rust implementation
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