Embedded Connectivity Engineer

Senior • Hybrid

Wroclaw, DS, Poland

Team Summary

Our Firmware RTOS team develops the mission-critical communications stack, operating on a dual-processor architecture. The team's objectives center on maintaining hard real-time determinism for the P25 LMR radio stack while integrating a massive suite of broadband connectivity modules without mutual interference.

Job Summary

We're seeking a Senior Embedded C/C++ Engineer with 7+ years of experience in RTOS. This is a unique opportunity to build a brand-new product from scratch and take complete ownership of the cellular integration and cross-processor connectivity logic for a next-generation device. You will be responsible for hardware bring-up, architecture design, and business requirements implementation, ensuring seamless 5G/LTE connectivity with reliable fallback to P25 LMR networks.

Responsibilities and Duties

Contribute to architectural decisions, component selection, and hardware-software co-design.
Design and develop high-quality C/C++ code for RTOS-based and scheduler-based MCUs.
Lead feature development and drive prototypes to production-ready status.
Provide accurate estimates and development commitments based on the feature PRD.
Integrate and configure pre-certified 5G/LTE modem modules from early bring-up.
Develop connectivity manager logic to handle seamless fallback between 5G, LTE, and P25 LMR.
Design and document the IPC API contract between processors.
Optimise firmware for carrier and public safety certifications.
Collaborate with software, hardware, and RF teams.
Report project status and technical risks to management.

Qualifications and Skills

7+ years of embedded development experience.
Strong expertise in C/C++ and RTOS.
Knowledge of ARM and RISC-V microcontroller architectures.
Experience with hardware bring-up and reference boards.
Experience designing high-bandwidth, low-latency IPC.
Experience integrating cellular modems at firmware level.
Knowledge of I2C, SPI, UART and device driver integration.
Proficiency with Git, CMake, code reviews, and continuous integration.
Upper-Intermediate (B2) English level.

Nice to Have

Familiarity with 3GPP Release 16/17, MCPTT, Wi-Fi 7, Bluetooth 6.0, UWB, GNSS.
Experience with oscilloscopes, logic analyzers, and soldering.
Experience with cellular logging and diagnostics tools.
Knowledge of RF signal processing or coexistence challenges.
Experience in embedded Linux development.
Experience using AI-powered development tools.

Benefits

Equal opportunities and transparent, value-based corporate culture.
Competitive salary with performance-based annual reviews.
Performance and Loyalty Bonus opportunities.
Employment via Contract of Employment (UoP) under Polish Labour Law.
Paid vacation, public holidays, and medical leave.
Professional development opportunities and free English classes.
Comprehensive private medical insurance.

SQUAD

SQUAD is a technology company operating in the embedded systems and robotics security industry, focused on developing high-performance, reliable software solutions for camera-based robotic security devices that protect millions of homes worldwide. The company works at the intersection of hardware and intelligent software, delivering advanced embedded and Linux-based systems within a sophisticated technical ecosystem. SQUAD emphasizes technical excellence, mature Agile methodologies, rigorous code reviews, CI/CD practices, and comprehensive testing to ensure top-tier security and product quality. Its culture is built on clean, maintainable engineering, continuous knowledge sharing, cross-functional collaboration, and adherence to high security standards. The organization promotes equal opportunities, transparency, and a value-driven corporate culture, supporting continuous professional growth and long-term employee engagement.

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