Senior Java Voice Engineer, CX Platform

🔥 8 minutes ago

🇨🇦 Canada – Remote

⏰ Full Time

🟠 Senior

🔙 Backend Engineer

👻 Ghost score 25%

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Miratech

WebsiteLinkedInAll Job Openings

501 - 1000 employees

Founded 1989

🤝 B2B

💼 Consulting

☁️ SaaS

💰 Private Equity Round on 2022-04

B2B • Consulting • SaaS

Miratech is a global IT services and consulting company dedicated to helping visionaries change the world. Specializing in outsourcing, software development, and professional services, Miratech supports digital transformation for some of the largest enterprises worldwide. By combining enterprise and start-up innovation, Miratech remains at the forefront of technology while maintaining agility and a culture of relentless performance that has led to high engagement success since its founding in 1989.

📋 Description

• Design and develop programmable voice services, APIs, and call-control capabilities for enterprise-scale communications platforms • Build and extend voice infrastructure using FreeSWITCH, Kamailio, SIP, RTP, WebRTC, and related technologies • Design and develop Java and Spring Boot backend services and communication APIs • Implement call routing, session management, media handling, carrier integrations, and voice traffic processing • Design highly available and scalable systems handling large volumes of real-time communications traffic • Troubleshoot signaling, media, telephony, and call-quality issues across distributed environments • Integrate voice services with contact center, routing, digital engagement, CRM, identity, and reporting platforms • Define non-functional requirements for availability, performance, concurrency, security, privacy, observability, disaster recovery, and supportability • Review designs and code, identify technical risks, challenge assumptions, and drive pragmatic decisions • Establish engineering standards, reusable patterns, quality gates, documentation expectations, and technology adoption guidance • Collaborate with client stakeholders, Product, Architecture, QA, DevOps, Security, Operations, and vendors to govern delivery and resolve critical technical issues

🎯 Requirements

• 8+ years of software engineering experience, including substantial ownership of architecture and technical delivery for distributed applications • Deep hands-on expertise with FreeSWITCH and/or Kamailio, including call control, dial plans, media services, ESL, modules, and platform customization • Experience building API-driven communication platforms, voice services, or CPaaS-style solutions • Strong knowledge of 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 • Deep understanding of API-first design, event-driven architecture, messaging, distributed systems, and cloud-native engineering • Experience with PostgreSQL or comparable relational databases, data modeling, integration data flows, and transactional design • Hands-on experience with contact center or CX platforms and customer routing and engagement concepts • Excellent communication skills, including the ability to produce clear technical documentation and lead client-facing workshops • Nice to have: experience with OpenSIPS, Asterisk, Twilio, SignalWire, or comparable communications platforms • Nice to have: experience building routing engines, IVR platforms, voice bots, or omnichannel engagement services • Nice to have: experience with Genesys, NICE, Five9, Amazon Connect, Cisco, Avaya, or comparable contact center platforms • Nice to have: familiarity with Kafka or RabbitMQ, Kubernetes, Jenkins, observability platforms, API gateways, and security architecture • Practical experience with AI-assisted software development or AI-enabled solutions is a plus

🏖️ Benefits

• Health insurance • Relocation program • Remote work flexibility • Professional development opportunities • Certification programs • Mentorship and talent investment programs • Internal mobility opportunities • Internship opportunities • Collaboration on impactful global projects • Inclusive and supportive work environment • Regular team-building company social events