Software Developer – LTE/5G NR Protocol Stack Development Founded in 1998, Octasic is a privately held company headquartered in Montreal, Canada, with Research and Development facilities in Canada and India and a global sales support network. Octasic is a leading provider of SoCs (System on Chip), software and hardware integrated platforms for the global wireless and multimedia gateway markets. Our hardware and software platforms are the foundation for next-generation wireless systems for Defense, Law Enforcement and National Security Agencies.

We choose Octasic for

- A workplace at the cutting edge of technology to be in contact with wireless technology experts in a growing company; - Competitive compensation (salaries, advantages, gym membership discount, stock options purchase program, public transit reimbursement, shower on the premises and beverages and snacks free every day); - Work-life balance; - Friendly and collaborative work atmosphere and many social activities all year long; - Working for a company involved in its community; - Proximity to various public transportation services (Angus Shuttle, 10 min. walk from Prefontaine station).

About the role: We are looking for a highly motivated professional to join our wireless communications team on mission-critical Search & Rescue (S&R;) solutions. This position focuses on the development, maintenance, and evolution of customized LTE/5G NR NodeB (eNodeB/gNodeB) protocol stack software, along with research and prototyping work.

What you'll do

- Design, develop, and support LTE/5G NR air interface protocol stack components, including Layer 1 Control, MAC, RLC, PDCP, RRC & NAS; - Work with customers, product management, and cross-functional teams to define requirements and deliver strong solutions; - Contribute to software design, implementation, testing, integration,



and release efforts; - Review software architecture, spot opportunities for improvement, and lead performance and reliability enhancements; - Carry out root cause analysis and resolve issues raised by customers, field deployments, and verification teams; - Build Proof-of-Concepts (PoCs), prototypes, and technology demonstrators for new wireless features and concepts; - Assess emerging 3GPP features and wireless technologies through feasibility studies and technical investigations; - Prepare and maintain design, interface, and technical documentation; - Coach team members and help advance engineering best practices and continuous improvement initiatives.

Qualifications

- Bachelor's or Master's degree in Electronics, Telecommunications, Computer Science, or a related field; - 8–10 years of experience in LTE and/or 5G NR protocol stack development; - Strong expertise in one or more areas of LTE/NR Layer 1 Control, MAC, PDCP, RLC, RRC, NAS layers; - Solid understanding of LTE and 5G NR 3GPP specifications and signalling procedures; - Strong programming skills in C/C++ on Linux, RTOS, or embedded platforms; - Experience with IPC mechanisms, multi-threading, debugging, and performance optimization; - Strong design, troubleshooting, and problem-solving skills; - Knowledge of Agile development, version control systems, testing methodologies, and software release processes; - Ability to get security clearance.

Assets

- Knowledge of LTE/NR PHY, UMTS, or GSM Access Stratum protocols; - Experience with R&D; projects, technology evaluation, and PoC development; - Exposure to system integration, performance analysis, and carrier-grade wireless systems; - Strong analytical and communication skills; - Self-driven, innovative, and passionate about wireless technologies; - Ability to work independently and effectively within cross-functional teams.

📌 Software Developer – LTE/5G NR Protocol Stack Development (Montreal)
🏢 Octasic
📍 Montreal