Firmware Engineer

About the opportunity

About the Opportunity Personal Connect is recruiting a Firmware Engineer (Embedded Linux / SoC) on behalf of an innovative technology company operating at the intersection of embedded systems, hardware-software integration, and high-performance computing infrastructure. The company develops advanced software and firmware solutions for large-scale hardware deployments. Its technology combines software-based monitoring and automated operations with low-level firmware responsible for SoC and peripheral management, performance optimization, power and thermal control, and hardware reliability. This is a highly technical role focused on building and optimizing the low-level software that powers embedded hardware platforms. The successful candidate will take ownership of the complete firmware lifecycle, including driver development, hardware bring-up, firmware builds and releases, performance tuning, system services, and hardware adaptation within embedded Linux environments. The position is remote-friendly, with a preference for candidates based in Beijing who can occasionally support on-site hardware debugging and collaboration. Key Responsibilities Embedded Linux Firmware Development — Develop and maintain drivers and system services for power management, thermal control, fan control, hardware monitoring, watchdog functionality, and peripheral interfacing Manage firmware builds, testing, packaging, deployment, formal releases, rollback mechanisms, and remote upgrade capabilities Adapt firmware for new SoCs, carrier boards, and custom hardware, including hardware bring-up, validation, troubleshooting, and debugging Optimize system performance through clock/voltage scaling, interrupt management, caching strategies, and I/O optimization techniques Develop and maintain interfaces between firmware, hardware, management systems, monitoring platforms, and cloud or edge services Analyze third-party firmware and communication protocols for reverse engineering as needed, to support compatibility, interoperability, and feature development 职位介绍 Personal Connect 现受一家创新科技公司委托，招聘一名固件工程师（嵌入式 Linux / SoC）。该公司业务聚焦于嵌入式系统、软硬件整合及高性能计算基础设施等领域。 公司致力于为大规模硬件部署开发先进的软件及固件解决方案。其技术体系将软件端的监控与自动化运维能力，与底层固件的 SoC 及外设管理、性能优化、功耗与热控制以及硬件可靠性管理等功能相结合。 这是一个技术深度较高的工程岗位，主要负责构建和优化嵌入式硬件平台所依赖的底层软件及固件系统。 成功入职的候选人将负责完整的固件生命周期，包括驱动开发、硬件 Bring-Up（板级启动与调试）、固件构建与发布、性能调优、系统服务开发，以及嵌入式 Linux 环境下的硬件适配等工作。 该职位支持远程办公，同时优先考虑北京地区的候选人，以便在需要时参与现场硬件调试及技术协作。 主要职责 嵌入式 Linux 固件开发 — 开发并维护电源管理、温度控制、风扇控制、硬件监控、看门狗（Watchdog）及外设接口等相关驱动和系统服务 负责固件构建、测试、打包、部署、正式发布、回滚机制及远程升级能力 针对新的 SoC、载板及定制硬件进行固件适配，负责硬件 Bring-Up、验证、故障排查及调试 通过时钟/电压调节、中断管理、缓存策略及 I/O 优化等方式提升系统性能 开发并维护固件、硬件、管理系统、监控平台及云端/边缘服务之间的接口 按需对第三方固件及通信协议进行分析和逆向研究，以支持兼容性、互操作性及功能开发 Requirements ​ Requirements 5+ years of experience in embedded systems, firmware engineering, or low-level systems development Strong knowledge of hardware communication protocols, including SPI, I2C, UART, and optionally CAN, USB, or PCIe Experience with cross-compilation, firmware packaging, deployment, testing, rollback protection, and CI/CD pipelines Knowledge of TCP/IP and HTTP networking, with the ability to independently develop API services or management interfaces Proven experience developing or maintaining custom firmware based on Buildroot, OpenWrt, or Yocto Strong understanding of embedded Linux environments (kernel drivers, device tree, U-Boot, systemd) and hardware/software interaction Hands-on experience with performance optimization at the system or SoC level, including frequency and voltage scaling Experience designing, implementing, or optimizing automated tuning algorithms for hardware performance or power efficiency Strong debugging and problem-solving capabilities across both firmware and hardware environments, including use of JTAG/SWD, logic analyzers, and oscilloscopes Preferred Qualifications Proficiency in modern systems programming languages such as Rust or Zig Experience with firmware reverse-engineering tools such as Ghidra, IDA, Binary Ninja, or binwalk Hands-on experience with ARM SoCs such as Xilinx Zynq, NXP i.MX, TI AM335x, Amlogic, or Rockchip Experience with Petalinux, OpenWrt, Yocto, or other BSP and firmware build systems Experience with real-time applications, industrial protocols (Modbus, CANopen, MQTT), or safety-critical systems Experience troubleshooting and optimizing firmware in large-scale or distributed hardware environments 任职要求 5年以上嵌入式系统、固件工程或底层系统开发经验 熟悉硬件通信协议，包括 SPI、I2C、UART，以及可选的 CAN、USB 或 PCIe 具备交叉编译、固件打包、部署、测试、回滚保护及 CI/CD 流水线相关经验 熟悉 TCP/IP 和 HTTP 网络协议，能够独立开发 API 服务或管理接口 具有基于 Buildroot、OpenWrt 或 Yocto 开发或维护定制固件的实际经验 深入理解嵌入式 Linux 环境（内核驱动、设备树、U-Boot、systemd）以及软硬件交互机制 具有系统级或 SoC 级性能优化的实际经验，包括频率和电压调节 具有设计、开发或优化硬件性能或功耗自动调优算法的经验 具备较强的软硬件调试能力、问题分析能力及故障排查能力，熟悉 JTAG/SWD、逻辑分析仪及示波器等调试工具 加分项 熟练掌握 Rust 或 Zig 等现代系统编程语言 熟悉 Ghidra、IDA、Binary Ninja、binwalk 等固件逆向工程工具 具有 Xilinx Zynq、NXP i.MX、TI AM335x、Amlogic 或 Rockchip 等 ARM SoC 的实际开发经验 熟悉 Petalinux、OpenWrt、Yocto 或其他 BSP / 固件构建系统 具有实时应用、工业协议（Modbus、CANopen、MQTT）或安全关键系统相关经验 具有大规模或分布式硬件环境下固件故障排查及性能优化经验 Benefits ​ What the Role Offers Remote-friendly work environment, with Beijing-based candidates preferred for occasional on-site collaboration and hardware debugging Competitive compensation: 45,000–70,000 RMB/month × 13–14 months, plus performance-based bonuses Annual leave Engineering-focused culture with direct communication, streamlined processes, and minimal unnecessary meetings Access to leading AI-assisted development and productivity tools 职位待遇 远程办公支持，北京地区候选人优先，以便在需要时参与本地技术协作及硬件调试 月薪 45,000–70,000 元 × 13–14薪，另有绩效奖金 带薪年假 工程师导向的工作文化，沟通直接高效，减少不必要的会议和流程 可使用领先的 AI 辅助开发及生产力工具

Responsibilities

• Embedded Linux Firmware Development — Develop and maintain drivers and system services for power management, thermal control, fan control, hardware monitoring, watchdog functionality, and peripheral interfacing Manage firmware builds, testing, packaging, deployment, formal releases, rollback mechanisms, and remote upgrade capabilities Adapt firmware for new SoCs, carrier boards, and custom hardware, including hardware bring-up, validation, troubleshooting, and debugging Optimize system performance through clock/voltage scaling, interrupt management, caching strategies, and I/O optimization techniques Develop and maintain interfaces between firmware, hardware, management systems, monitoring platforms, and cloud or edge services Analyze third-party firmware and communication protocols for reverse engineering as needed, to support compatibility, interoperability, and feature development 职位介绍 Personal Connect 现受一家创新科技公司委托，招聘一名固件工程师（嵌入式 Linux / SoC）。该公司业务聚焦于嵌入式系统、软硬件整合及高性能计算基础设施等领域。 公司致力于为大规模硬件部署开发先进的软件及固件解决方案。其技术体系将软件端的监控与自动化运维能力，与底层固件的 SoC 及外设管理、性能优化、功耗与热控制以及硬件可靠性管理等功能相结合。 这是一个技术深度较高的工程岗位，主要负责构建和优化嵌入式硬件平台所依赖的底层软件及固件系统。 成功入职的候选人将负责完整的固件生命周期，包括驱动开发、硬件 Bring-Up（板级启动与调试）、固件构建与发布、性能调优、系统服务开发，以及嵌入式 Linux 环境下的硬件适配等工作。 该职位支持远程办公，同时优先考虑北京地区的候选人，以便在需要时参与现场硬件调试及技术协作。 主要职责 嵌入式 Linux 固件开发 — 开发并维护电源管理、温度控制、风扇控制、硬件监控、看门狗（Watchdog）及外设接口等相关驱动和系统服务 负责固件构建、测试、打包、部署、正式发布、回滚机制及远程升级能力 针对新的 SoC、载板及定制硬件进行固件适配，负责硬件 Bring-Up、验证、故障排查及调试 通过时钟/电压调节、中断管理、缓存策略及 I/O 优化等方式提升系统性能 开发并维护固件、硬件、管理系统、监控平台及云端/边缘服务之间的接口 按需对第三方固件及通信协议进行分析和逆向研究，以支持兼容性、互操作性及功能开发

Qualifications

• 5+ years of experience in embedded systems, firmware engineering, or low-level systems development Strong knowledge of hardware communication protocols, including SPI, I2C, UART, and optionally CAN, USB, or PCIe Experience with cross-compilation, firmware packaging, deployment, testing, rollback protection, and CI/CD pipelines Knowledge of TCP/IP and HTTP networking, with the ability to independently develop API services or management interfaces Proven experience developing or maintaining custom firmware based on Buildroot, OpenWrt, or Yocto Strong understanding of embedded Linux environments (kernel drivers, device tree, U-Boot, systemd) and hardware/software interaction Hands-on experience with performance optimization at the system or SoC level, including frequency and voltage scaling Experience designing, implementing, or optimizing automated tuning algorithms for hardware performance or power efficiency Strong debugging and problem-solving capabilities across both firmware and hardware environments, including use of JTAG/SWD, logic analyzers, and oscilloscopes
• Proficiency in modern systems programming languages such as Rust or Zig Experience with firmware reverse-engineering tools such as Ghidra, IDA, Binary Ninja, or binwalk Hands-on experience with ARM SoCs such as Xilinx Zynq, NXP i.
• MX, TI AM335x, Amlogic, or Rockchip Experience with Petalinux, OpenWrt, Yocto, or other BSP and firmware build systems Experience with real-time applications, industrial protocols (Modbus, CANopen, MQTT), or safety-critical systems Experience troubleshooting and optimizing firmware in large-scale or distributed hardware environments 任职要求 5年以上嵌入式系统、固件工程或底层系统开发经验 熟悉硬件通信协议，包括 SPI、I2C、UART，以及可选的 CAN、USB 或 PCIe 具备交叉编译、固件打包、部署、测试、回滚保护及 CI/CD 流水线相关经验 熟悉 TCP/IP 和 HTTP 网络协议，能够独立开发 API 服务或管理接口 具有基于 Buildroot、OpenWrt 或 Yocto 开发或维护定制固件的实际经验 深入理解嵌入式 Linux 环境（内核驱动、设备树、U-Boot、systemd）以及软硬件交互机制 具有系统级或 SoC 级性能优化的实际经验，包括频率和电压调节 具有设计、开发或优化硬件性能或功耗自动调优算法的经验 具备较强的软硬件调试能力、问题分析能力及故障排查能力，熟悉 JTAG/SWD、逻辑分析仪及示波器等调试工具 加分项 熟练掌握 Rust 或 Zig 等现代系统编程语言 熟悉 Ghidra、IDA、Binary Ninja、binwalk 等固件逆向工程工具 具有 Xilinx Zynq、NXP i.