Senior Java developer
Posted Updated
Summary
Senior Java developer building mission-critical VOIP/ROIP and digital communication applications for military and emergency services platforms, integrating audio codecs (Opus, AAC) and protocols like SIP/RTP/SRTP. On-site role based in the Ottawa area; 10+ years of Java experience required.
We are seeking a senior Java developer to join our team in a full-time employment capacity. This role requires expertise in Java-based systems, along with experience in audio codec integration, VOIP/ROIP protocols, and mission-critical communication systems. The successful candidate will play a key role in the development and enhancement of applications that support military and emergency services communication platforms, ensuring reliability, security, and performance under demanding conditions.
Key Responsibilities
Design, develop, and maintain Java applications for use with VOIP/ROIP and digital communication systems.
Integrate and optimize audio codecs (e.g., Opus, AAC Audio).
Work on SIP, RTP, and other VOIP/ROIP protocols for real-time communication.
Collaborate with cross-functional teams to design secure and fault-tolerant communication solutions.
Develop and implement features for interoperability with military communication systems.
Ensure scalability, low-latency performance, and high availability of communication services.
Participate in code reviews, architecture discussions, and technical planning.
Regular customer engagement for the purposes of requirements gathering, feature demonstrations, and product support.
Required Qualifications
Bachelor’s degree in computer science, Engineering, or a related field.
10+ years of experience in Java development.
Located in the Ottawa area or willing to relocate to the Ottawa area.
Experience developing distributed client/server environments.
In-depth knowledge of VOIP/ROIP technologies (e.g., SIP, RTP, SRTP).
Hands-on experience with audio codecs and real-time media processing.
Familiarity with radio systems, digital signal processing (DSP), and tactical communication protocols.
Strong understanding of network programming and low-level socket communication.
Excellent problem-solving, debugging, and performance optimization skills.
Preferred Qualifications
Experience developing communication software for military, defence, or emergency services.
Familiarity with Open SDR (software-defined radio).
Active security clearance (Secret or higher).
Key Responsibilities
Design, develop, and maintain Java applications for use with VOIP/ROIP and digital communication systems.
Integrate and optimize audio codecs (e.g., Opus, AAC Audio).
Work on SIP, RTP, and other VOIP/ROIP protocols for real-time communication.
Collaborate with cross-functional teams to design secure and fault-tolerant communication solutions.
Develop and implement features for interoperability with military communication systems.
Ensure scalability, low-latency performance, and high availability of communication services.
Participate in code reviews, architecture discussions, and technical planning.
Regular customer engagement for the purposes of requirements gathering, feature demonstrations, and product support.
Required Qualifications
Bachelor’s degree in computer science, Engineering, or a related field.
10+ years of experience in Java development.
Located in the Ottawa area or willing to relocate to the Ottawa area.
Experience developing distributed client/server environments.
In-depth knowledge of VOIP/ROIP technologies (e.g., SIP, RTP, SRTP).
Hands-on experience with audio codecs and real-time media processing.
Familiarity with radio systems, digital signal processing (DSP), and tactical communication protocols.
Strong understanding of network programming and low-level socket communication.
Excellent problem-solving, debugging, and performance optimization skills.
Preferred Qualifications
Experience developing communication software for military, defence, or emergency services.
Familiarity with Open SDR (software-defined radio).
Active security clearance (Secret or higher).