Senior Programmable Voice Engineer – CX Platform

This is a fully remote position, open to applicants in Canada.

📋 Description

• Design and create programmable voice services, APIs, and call-control functionalities for enterprise-level communication platforms.

• Develop and enhance voice infrastructure utilizing FreeSWITCH, Kamailio, SIP, RTP, WebRTC, and other relevant technologies.

• Architect and implement Java and Spring Boot backend services along with communication APIs.

• Execute call routing, session management, media handling, carrier integrations, and voice traffic processing solutions.

• Create systems that are highly available and scalable to manage significant volumes of real-time communication traffic.

• Diagnose intricate signaling, media, telephony, and call-quality problems across distributed environments.

• Integrate voice services with contact center solutions, routing systems, digital engagement, CRM, identity management, and reporting platforms.

• Specify non-functional requirements regarding availability, performance, concurrency, security, privacy, observability, disaster recovery, and supportability.

• Review designs and code, recognize technical risks, challenge assumptions, and influence pragmatic decisions related to quality, time, and cost.

• Set engineering standards, reusable design patterns, quality checkpoints, documentation expectations, and guidance for technology adoption.

• Collaborate with client stakeholders, Product, Architecture, QA, DevOps, Security, Operations, and vendors.

• Oversee delivery and address critical technical challenges.

⛳️ Requirements

• 8+ years of experience in software engineering.

• Significant responsibility for the architecture and technical delivery of distributed applications.

• Extensive hands-on knowledge of FreeSWITCH and/or Kamailio, including call control, dial plans, media services, ESL, modules, and platform customization.

• Experience in developing API-driven communication platforms, voice services, or CPaaS-style solutions.

• Strong understanding of SIP, RTP, WebRTC, session control, media handling, and telephony troubleshooting.

• Expert-level practical experience with Java, Spring Boot, microservices, REST APIs, persistence, security, testing, and performance engineering.

• Profound knowledge of API-first design, event-driven architecture, messaging, distributed systems, and cloud-native development.

• Familiarity with PostgreSQL or similar relational databases, data modeling, integration data flows, and transactional design.

• Practical experience with contact center or CX platforms and concepts of customer routing and engagement.

• Exceptional communication abilities.

• Capability to create clear technical documentation and lead client-facing workshops.

• Experience with OpenSIPS, Asterisk, Twilio, SignalWire, or similar communication platforms is a plus.

• Background in building routing engines, IVR platforms, voice bots, or omnichannel engagement services is a plus.

• Experience with Genesys, NICE, Five9, Amazon Connect, Cisco, Avaya, or comparable contact center platforms is beneficial.

• Knowledge of Kafka or RabbitMQ, Kubernetes, Jenkins, observability platforms, API gateways, and security architecture is advantageous.

• Practical experience with AI-assisted software development or AI-enabled solutions, such as Claude or GitHub Copilot, is a plus.

🏝️ Benefits

• Health insurance.

• Relocation program.

• Flexibility for remote work / Work From Anywhere culture.

• Opportunities for professional development.

• Certification programs.

• Mentorship and talent investment initiatives.

• Opportunities for internal mobility.

• Internship programs available.

• Chance to work on impactful projects for leading global clients.

• An inclusive and supportive work environment.

• Regular team-building social events.

• Commitment to sustainable business practices focusing on IT education, community empowerment, fair operational practices, environmental sustainability, and gender equality.