Responsibilities
- Work as part of a global, cross-functional team of firmware, hardware, and product engineers to develop cutting-edge access control products and technologies
- Design, implement, and maintain embedded firmware for current and next-generation access devices (readers, hubs, controllers)
- Enhance and optimize existing firmware for performance, stability, and security
- Participate in code reviews to ensure adherence to best practices and maintain high code quality standards
- Collaborate closely with BSP, Hardware, Backend, Mobile, and Product Assurance (PA) teams throughout the product development lifecycle
- Diagnose, troubleshoot, and perform root-cause analysis of firmware and system-level issues
- Support manufacturing and production validation by resolving firmware-related issues and assisting with firmware update pipelines
Requirements
- 3+ years embedded firmware development experience with C
- Good knowledge of network protocols (TCP/IP, HTTP, Websocket, TLS/SSL)
- Experience with microcontrollers, SoCs, embedded Linux and RTOS
- Experience with access control systems (e.g., card readers, NFC, mobile unlocking)
- Knowledge of Git version control system
Nice to Have
- Experience with Linux application development and OpenWRT/Yocto build systems
- Good understanding of Layer 2 networking and device-to-device communication
- Familiarity with security best practices for IoT and access control firmware (secure boot, encrypted communication, key management)
- Knowledge of NFC, BLE, cryptographic algorithms, Golang, and MCU architecture is a plus
- Proficiency with hardware interfaces and protocols: GPIO, USB, UART, PWM, Flash, SPI, I²C, etc.
- Contributions to open-source embedded projects (e.g., OpenWRT, ESP-IDF, Zephyr) are a strong advantage
Benefits
- Competitive salary and 5 weeks of vacation per year
- Discretionary bonuses based on individual performance
- Flexible working hours, home office
- Top floor office with terrace and amazing view of Prague
- Kitchen packed with coffee, food, snacks & sodas, meal allowance, etc.
- A collective of developers who want to make the best product. Maximum effort to keep processes to a minimum, no complex reporting and similar habits
Work Arrangement
Hybrid — Prague
Additional Information
- Candidates should be prepared to work from our Prague office at least three times per week
