Octasic
Posted 1w ago

Software Developer – LTE/5G NR Protocol Stack Development

Octasic
Montreal, Quebec, Canada
HybridFull Time
Responsibilities
  • developing protocol stacks
  • analyzing root causes
  • coaching team members
Requirements
  • Bachelor's or master's in electronics
  • Telecommunications
  • Computer science, or related field
  • 8–10 years of LTE/5G NR protocol development
  • Strong C/C++, Linux
  • Embedded
  • Debugging, and optimization skills
Technical tools mentioned
CC++LinuxRTOS3GPPAgileProof-of-Concepts (PoCs)IPC

Job description

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.


#makewaves

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, benefits, 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 Octasic

Designs programmable silicon and software for mission-critical wireless communications.

Similar jobs

Software Developer roles near Montreal, Quebec
1d
Save
Mark Applied
Hide
2027 Winter Capital Markets QTS, Software Developer (Montreal), 4 Months
Montreal, Quebec, Canada
OnsiteMultiple Commitments Available
Royal Bank of Canada
Royal Bank of CanadaTSX: RY: Provides personal, commercial, and investment banking services worldwide.
Computer science, engineering, mathematics, or related degree in progress; programming experience in Java, C#, C/C++, Python, JavaScript, HTML, or CSS; UNIX/Linux or Windows experience; strong analytical, interpersonal, and MS Office skills.
UNIX, Linux, Windows, Java, C#, C/C++, Python, JavaScript, HTML, CSS, Microsoft Office, Software Development Life Cycle (SDLC)
1d
Save
Mark Applied
Hide
2027 Winter Student Opportunities Technology & Operations - Software Developer, 8 Months
Toronto or Calgary or Montreal or Halifax or Vancouver
OnsiteFull Time, Internship
RBC
RBCTSX: RY: Global financial institution providing banking and wealth management services.
Currently enrolled at a Canadian post-secondary institution in computer science, engineering, or technology; strong communication, analytical, teamwork, and programming knowledge required for an 8-month co-op.
Microsoft Word, Microsoft Outlook, Microsoft Excel, Microsoft PowerPoint, Unified Modeling Language (UML), Software Development Life Cycle (SDLC), Agile, Waterfall
5d
Save
Mark Applied
Hide
Software Development Engineer-PHP
Montreal, Quebec, Canada
$95k-$130k/yr OnsiteFull Time
AppDirect
AppDirect: Platform for selling and managing digital subscription services.
5+ YOEFive years of relevant experience; strong PHP, JavaScript, and MySQL knowledge; REST and GraphQL API experience; French and English proficiency; end-to-end software delivery experience.
PHP, JavaScript, MySQL, REST, GraphQL
5d
Save
Mark Applied
Hide
Spécialiste développement logiciel senior
Saint-Bruno, Quebec, Canada
OnsiteFull Time
Alstom
AlstomEuronext Paris: ALO: Manufactures high-speed trains, signaling systems, and railway infrastructure
Requires confirmed software development experience, preferably in embedded or real-time systems, strong analysis and problem-solving skills, project leadership, communication, quality and safety focus, and demonstrated leadership.
TCMS
5d
Save
Mark Applied
Hide
Senior Software Developer
Montreal or Ottawa
HybridFull Time
Bell
BellToronto Stock Exchange: BCE: Provides telecommunications, internet, and media services throughout Canada.
5+ YOERequires 5+ years of software development experience, Python, backend frameworks, cloud-native microservices, OpenShift or Kubernetes, CI/CD, automated testing, TypeScript, SQL, Agile, and French in Quebec.
Python, FastAPI, OpenShift, Kubernetes, CI/CD, TypeScript, Vue.js, SQL, Confluence, Scrum, Kanban, Fortinet, Cisco, Meraki, Arista, LLMs, RAG, LangChain, Kafka, RabbitMQ
5d
Save
Mark Applied
Hide
Software Engineer, Connected Fleet & Operations
Fort Collins or New York or Framingham or United States or Ewing Township or Canada or Montreal or Boston or Denver or Philadelphia
$100k-$120k/yr RemoteFull Time
Landline
Landline: Providing seamless ground transportation connections for airline networks.
Production Android experience with Kotlin, offline-first design, device and IoT integration, camera, barcode/NFC scanning, GPS, backend or web development, and secure-by-design practices.
Android, Kotlin, Jetpack Compose, Samsara, Next.js, Vercel, LLM, NFC, GPS, BLE
6d
Save
Mark Applied
Hide
Senior Software Developer (C++) (11403)
Montreal, Quebec, Canada
OnsiteFull Time
Zimmer Biomet
Zimmer BiometNYSE: ZBH: Manufactures orthopedic implants and robotic surgical systems.
5+ YOE1+ MgmtBachelor's degree in computer science, engineering, or related field; 5+ years of modern C++ development; 1+ year leading or mentoring developers; and 2+ years with Qt/QML.
C++, Qt, QML, C++17, Agile, API, Cloud
6d
Save
Mark Applied
Hide
Software Engineer - AI Developer Productivity
San Francisco or Toronto or New York or Montreal
$165k-$330k/yr HybridFull Time
Baseten
Baseten: Scalable infrastructure platform for deploying and serving AI models.
4+ YOE4+ years building AI-native SDLC tools; strong Python or Go; hands-on LLM and agent framework experience; developer tooling, CI/CD, Kubernetes, and Docker fundamentals.
Python, Go, Claude Code, Cursor, Codex, MCP, CI/CD, Kubernetes, Docker, CLAUDE.md, AGENTS.md