Job Purpose
ExitLag is looking for a Rust Systems Developer to work at the heart of our technology: libexitlag-rs, the library responsible for optimizing the connection between players and game servers.
You will work with a single codebase running on multiple platforms, including SDK (Windows/macOS), mobile (Android/iOS), and routers (OpenWrt).
Ideal candidates enjoy asynchronous Rust, networking, and high‑performance systems.
What You’ll Be Doing
* Work on the core of our network pipeline (proxy, routing, and traffic optimization).
* Develop integrations for SDK (Windows/macOS), mobile (Android and iOS), and routers (OpenWrt / ARM / MIPS).
* Work on performance, latency, and reliability.
* Work on cross‑platform projects from core to integrations via FFI.
* Contribute to continuous improvements in architecture and builds.
Main Stack
* Rust (async with Tokio)
* Networking (TCP/UDP, TUN/TAP, SOCKS, Netfilter, WFP)
* FFI (JNI, C API, bindgen)
* Protobuf, SQLite
* CI/CD and cross‑compilation
Essential Requirements
* Experience with Rust in production (3+ years).
* Experience with systems and network programming.
* Experience with FFI (JNI, C bindings, or similar).
* Experience with cross‑compilation.
* Strong debugging skills (multi‑platform / network).
Preferred
* Experience with Android, iOS, Windows, or OpenWrt.
* Knowledge of VPNs, proxies, or gaming networking.
* System performance and optimization experience.
* English and/or Portuguese for technical communication.
Benefits
* Paid vacation: 30 days after 12 months of employment, with the option to sell up to 10 days.
* Annual bonus (13th month): equivalent to 1 additional month’s salary, paid proportionally based on length of service.
* Performance bonus (In‑Company Goal): potential for up to 5x additional monthly salaries per year, based on goal achievement.
* Stock Options: eligibility after 6 months of employment, 4‑year vesting period.
* Fl'card: R$ 1,200.00/month flexible use.
* Birthday day off.
* Bradesco Health Plan: 100% covered by the company for the primary beneficiary.
* Wellness partnerships: Zenklub and TotalPass access.
* Educational subsidy: up to 50% coverage for courses and training after 6 months.
* Unlimited ExitLag license: full access to our premium product.
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