I will develop a high performance rust cli utility

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dominik_leszcz
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dominik_leszcz
Dominik L.

About this gig

Are you wasting time on repetitive computer tasks?

Copying data, converting files, renaming hundreds of files, generating reports, calling APIs, cleaning CSVs, parsing logs these small tasks add up and slow your workflow down.

I build custom command-line (CLI) tools that automate your process and turn multi-step manual work into a single command.

You describe the task.

I deliver a fast, reliable automation tool you can run anytime.


I can help with:

  • File processing & batch renaming
  • CSV / JSON data transformation
  • Report generation
  • Log parsing
  • API data extraction
  • Internal workflow automation


You will receive:

  • Clean, maintainable source code
  • Clear instructions on how to run the tool
  • Reliable error handling
  • A solution tailored to your specific process


If you're not sure whether your task can be automated, send me a message Ill assess it before you order.

Get to know Dominik L.

Dominik L.

Rust System Developer

  • FromPoland
  • Member sinceFeb 2026
  • Avg. response time2 hours
  • Last delivery4 days
  • Languages

    Polish, English
I am a Rust developer dedicated to extreme performance, specializing in building ultra-fast Command Line Interfaces (CLI) and complex computational physics simulations. Whether I’m engineering a custom terminal tool or optimizing web bottlenecks via WebAssembly, my focus is always on writing memory-safe, lightning-efficient code that handles heavy workloads with ease.

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