Linux Hacker & Nix Wizard (Senior / Expert)
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VirtusLabData platform engineering
Workplace type: remote; Country code: PLContractSenior
Salary140 - 185 PLN per hour
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Job Details
- Languages
- Fluent command of spoken and written English; Languages: en B2
- Required Skills
- PythonLinux
Requirements
- Bring deep, hacker-level understanding of Linux internals, memory management, IPC, and system calls.
- Use Python at an expert level, including performance optimization and async execution.
- Have experience with C/Rust interoperability in Python.
- Bring hands-on expertise with Nix/NixOS, or strong mastery of declarative system configuration and reproducible builds.
- Have advanced experience with low-level kernel diagnostics and profiling.
- Use tools such as eBPF, perf, strace, and valgrind.
- Be fluent in spoken and written English.
- Demonstrate ownership, analytical rigor, and deep technical problem-solving.
Responsibilities
- Maintain and modernize core infrastructure and data platforms supporting a large-scale developer ecosystem.
- Harden GraphDB instances to meet enterprise security standards.
- Establish tracing, monitoring, and alerting across system boundaries.
- Trace and map graph database interconnections across enterprise systems.
- Automate and optimize data processing pipelines across Python and Java stacks.
- Support high-scale infrastructure operations and reliable delivery.
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