Rust Developer

Sii Poland provides IT services and consulting, focusing on delivering software engineering solutions and professional development support for various large-scale brands.

• Migrate legacy C/C++ libraries to memory-safe Rust alternatives;
• Build and maintain secure C++ shims and Rust FFI wrappers;
• Drive large-scale refactoring and dependency updates across numerous targets;
• Perform differential testing, validation, and large-scale integration testing;
• Evaluate performance and security trade-offs and provide data-driven recommendations to stakeholders;
• Manage cross-team dependencies and review bottlenecks;
• Structure migrations into small, reviewable stacks to streamline approvals and reduce failures.

• Minimum 5 years of experience in software development with a strong focus on Rust and C++;
• Deep expertise in unsafe code, FFI boundaries, and memory-safe migrations;
• Solid understanding of memory safety, pointer stability, and cross-language interoperability;
• Experience with Bazel/Blaze and dependency management;
• Strong debugging skills across memory, testing, and platform-specific build issues;
• Ability to communicate effectively with stakeholders and justify security-driven changes;
• Advanced level of English;
• Nice to have: Experience with Crubit and C++/Rust interoperability tooling, background in vulnerability research or secure software development, familiarity with AI-assisted C/C++ to Rust migration tools, open-source Rust contributions and experience managing third-party Rust dependencies.

• Profit sharing;
• Medical care;
• Passion Sponsorship program;
• Access to internal trainings;
• Regular integration events and trips;
• Access to MySii app;
• Work with major brands.