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Software Engineer (Edge - Devices & Mobile) - Rust, Cross-Platform

Jobgether • Czechia
Remote
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Seeking an experienced **Software Engineer** with **5+ years in Rust** to develop and maintain a **cross-platform peer runtime** for Windows, Android, and Linux (future macOS). Focus on **mobile device infrastructure**, **networking**, **distributed systems**, and **security** while collaborating with global teams. Responsibilities include **systems engineering**, **background execution management**, **networking integration**, and **device observability** for large-scale data collection systems.

Key Highlights
Cross-platform Rust peer runtime for Windows, Android, Linux (future macOS)
Focus on mobile device infrastructure, networking, and distributed systems
5+ years of Rust experience required with FFI, OS internals, and async networking
Key Responsibilities
Develop and maintain a cross-platform Rust peer runtime for Windows, Android, and Linux
Manage process lifecycles, background execution, networking, and automatic updates
Expand platform to Android using NDK/JNI, addressing foreground services and battery optimization
Integrate native networking technologies (Cronet, browserless HTTP clients) into Rust libraries
Ensure safe memory management and cross-language interoperability via FFI
Collect and analyze hardware/OS signals (TCP/TLS/HTTP fingerprints) for network realism
Develop device-level observability and performance metrics for distributed fleets
Participate in on-call rotations and incident post-mortems
Contribute to technical documentation and engineering standards
Technical Skills Required
Rust Cross-platform systems engineering Networking (TCP/TLS/HTTP)
Nice to Have
Experience with residential proxy networks or large-scale device farms
Knowledge of browser internals (Chromium, Cronet)
Familiarity with gRPC, Protocol Buffers, mutual TLS, Kubernetes, and cloud infrastructure

Job Description

We are looking for an experienced Software Engineer with strong Rust expertise to help build and scale a sophisticated, cross-platform device infrastructure.

In this role, you will develop and maintain a reliable peer runtime across Windows, Android, and Linux, with future expansion to macOS. You will work at the intersection of systems engineering, mobile platforms, networking, and distributed infrastructure. A key focus will be bringing advanced capabilities to mobile devices while ensuring seamless performance, security, and reliability across a globally distributed fleet.

Accountabilities:

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