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’ll be working with a single codebase running on multiple platforms, SDK (Windows/macOS), mobile (Android/iOS), and routers (OpenWrt).
If you enjoy asynchronous Rust, networking, and high-performance systems, this position is for you.
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), Routers (OpenWrt / ARM / MIPS)
* Work on performance, latency, and reliability
* Work on cross-platform projects (from the 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-compilationStrong debugging skills (multi-platform / network)
Preferred
* Experience with Android, iOS, Windows, or OpenWrt
* Knowledge of VPNs, proxies, or gaming networking
* System performance and optimization
* 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.
* Flash Card: R$ 1,200.00/month with flexible use (food, home office, bills, or as preferred)
* Birthday Day Off: a day off to celebrate however you like.
* Bradesco Health Plan: 100% covered by the company for the primary beneficiary (initially).
* Wellness partnerships: access to Zenklub (emotional health) and TotalPass (gyms and physical activities).
* Educational subsidy: up to 50% coverage for courses and specialized training (after 6 months with the company).
* Unlimited ExitLag license: full access to our premium product.
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