Senior Programmable Voice Engineer – CX Platform

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

📋 Description

• Create and develop programmable voice services, APIs, and call-control features for large-scale enterprise communications platforms.

• Expand and enhance voice infrastructure utilizing FreeSWITCH, Kamailio, SIP, RTP, WebRTC, and associated technologies.

• Design and construct backend services and communication APIs utilizing Java and Spring Boot.

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

• Architect highly available and scalable systems capable of managing substantial volumes of real-time communication traffic.

• Diagnose complex signaling, media, telephony, and call-quality challenges across distributed environments.

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

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

• Review designs and code, assess technical risks, challenge assumptions, and drive pragmatic decisions that balance quality, time, and cost.

• Establish engineering standards, reusable patterns, quality gates, documentation expectations, and guidance for technology adoption.

• Collaborate with client stakeholders, Product, Architecture, QA, DevOps, Security, Operations, and vendors to manage delivery and address critical technical challenges.

⛳️ Requirements

• Over 8 years of software engineering experience, including significant ownership of architecture and technical delivery for distributed applications.

• Extensive hands-on expertise with FreeSWITCH and/or Kamailio, covering 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 voice infrastructure and real-time communications, including SIP, RTP, WebRTC, session control, media handling, and telephony troubleshooting.

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

• In-depth understanding of API-first design, event-driven architecture, messaging, distributed systems, and cloud-native engineering.

• Experience with PostgreSQL or equivalent relational databases, data modeling, integration data flows, and transactional design.

• Hands-on experience with contact center or CX platforms and the operational concepts behind customer routing and engagement.

• Excellent communication skills, including the ability to create clear technical documentation and facilitate client-facing workshops.

• Familiarity with OpenSIPS, Asterisk, Twilio, SignalWire, or similar communications platforms is advantageous.

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

• Familiarity with Genesys, NICE, Five9, Amazon Connect, Cisco, Avaya, or similar contact center platforms is a plus.

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

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

🏝️ Benefits

• Comprehensive compensation and benefits package.

• Health insurance.

• Relocation program.

• Flexibility for remote work.

• Opportunities for professional development.

• Certification programs.

• Mentorship and talent investment programs.

• Opportunities for internal mobility.

• Internship opportunities.

• Collaboration on impactful projects for top global clients.

• An inclusive and supportive work environment.

• Open communication.

• Regular team-building social events.