Python to Rust
Dynamic to nativeMove selected Python tools and services into a compiled Rust implementation with explicit behavior contracts.
Suitable workloads
- Data pipelines
- CLI tools
- Background workers
Where Rust may help
Native binaries can simplify deployment and reduce interpreter overhead in suitable workloads.
Compatibility considerations
Dynamic typing, third-party package behavior, serialization, and exception semantics need deliberate translation.
Migration approach
Inventory dependencies and observed behavior, isolate a bounded component, then migrate it behind stable inputs and outputs.
Verification
Golden fixtures, property tests where useful, and side-by-side output comparisons against the Python implementation.
Node.js to Rust
Event loop to explicit concurrencyRebuild backend services, workers, and developer tools while preserving their external contracts.
Suitable workloads
- HTTP APIs
- Queue workers
- CLI tools
Where Rust may help
Rust offers predictable resource ownership and a compact native runtime for services with clear boundaries.
Compatibility considerations
Async behavior, npm package semantics, date handling, and JavaScript coercion require compatibility tests.
Migration approach
Map routes and event flows, freeze API fixtures, then replace one service boundary at a time.
Verification
Contract tests for routes and payloads, failure-path tests, and load measurements only when baselines exist.
Java to Rust
JVM to nativeMigrate targeted Java applications, services, and libraries when native deployment or system-level control matters.
Suitable workloads
- Backend services
- Libraries
- Protocol tooling
Where Rust may help
Rust can reduce runtime dependencies and give closer control of memory and concurrency.
Compatibility considerations
Reflection, framework conventions, GC-dependent assumptions, and JVM ecosystem integrations may shape scope.
Migration approach
Identify domain boundaries and framework behavior, document compatibility, then incrementally port testable modules.
Verification
Cross-language fixtures, protocol conformance, and operational checks for startup, shutdown, and observability.
C/C++ to Rust
Systems modernizationModernize selected native components with explicit safety boundaries and careful interoperability.
Suitable workloads
- Native libraries
- CLI tools
- Performance-sensitive components
Where Rust may help
Ownership and type checking can prevent classes of memory safety defects in rewritten code.
Compatibility considerations
ABI stability, undefined behavior, build systems, and platform-specific behavior require careful investigation.
Migration approach
Start with a seam that can be tested independently; use FFI where a staged replacement is safer.
Verification
Cross-language tests, sanitizers on the original code where useful, fuzzing of parsers, and platform builds.
Rust SDK development
Interfaces built to lastDesign and build Rust libraries and SDKs around documented contracts and real integration needs.
Suitable workloads
- API clients
- Reusable crates
- FFI layers
Where Rust may help
Strong types and explicit error handling support maintainable library interfaces.
Compatibility considerations
API stability, versioning, error design, documentation, and compatibility with caller environments.
Migration approach
Define the public contract and use cases first, then implement a minimal ergonomic API with examples.
Verification
Unit and integration tests, documentation examples, compatibility checks, and release review.