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Senior Programmable Voice Engineer (CX Platform)

Miratech
Remote, CAN
Full-time
Senior · 8+ years experience
Remote
Discovered 2 weeks ago
KubernetesJavaCommunication

Full Job Posting

Responsibilities:

  • 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 backend services and communication APIs using Java and Spring Boot to expose voice capabilities to internal and external applications.
  • Implement call routing, session management, media handling, carrier integrations, and voice traffic processing solutions.
  • Design highly available, scalable systems capable of handling large volumes of real-time communications traffic.Troubleshoot complex 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 that balance quality, time, and cost.
  • 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.

Nice to Have

  • Experience with OpenSIPS, Asterisk, Twilio, SignalWire, or comparable communications platforms.
  • Experience building routing engines, IVR platforms, voice bots, or omnichannel engagement services.
  • Experience with Genesys, NICE, Five9, Amazon Connect, Cisco, Avaya, or comparable contact center platforms.
  • 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, including tools such as Claude or GitHub Copilot, is a plus.
  • We offer:
  • Culture of Relentless Performance: join an unstoppable technology development team with a 99% project success rate and more than 30% year-over-year revenue growth.
  • Competitive Pay and Benefits: enjoy a comprehensive compensation and benefits package, including health insurance, and a relocation program.
  • Work From Anywhere Culture: make the most of the flexibility that comes with remote work.
  • Growth Mindset: reap the benefits of a range of professional development opportunities, including certification programs, mentorship and talent investment programs, internal mobility and internship opportunities.
  • Global Impact: collaborate on impactful projects for top global clients and shape the future of industries.
  • Welcoming Multicultural Environment: be a part of a dynamic, global team and thrive in an inclusive and supportive work environment with open communication and regular team-building company social events.
  • Social Sustainability Values: join our sustainable business practices focused on five pillars, including IT education, community empowerment, fair operating practices, environmental sustainability, and gender equality.
  • Miratech is an equal opportunity employer and does not discriminate against any employee or applicant for employment on the basis of race, color, religion, sex, national origin, age, disability, veteran status, sexual orientation, gender identity, or any other protected status under applicable law.
  • Miratech helps visionaries change the world. We are a global IT services and consulting company that brings together enterprise and start-up innovation. Today, we support digital transformation for some of the world's largest enterprises. By partnering with both large and small players, we stay at the leading edge of technology, remain nimble even as a global leader, and create technology that helps our clients further enhance their business. We are a values-driven organization and our culture of Relentless Performance has enabled over 99% of Miratech's engagements to succeed by meeting or exceeding our scope, schedule, and/or budget objectives since our inception in 1989. Miratech has coverage across 5 continents and operates in over 25 countries around the world. Miratech retains nearly 1000 full-time professionals, and our annual growth rate exceeds 25%.

Qualifications

  • 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 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.
  • 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 the operational concepts behind customer routing and engagement.
  • Excellent communication skills, including the ability to produce clear technical documentation and lead client-facing workshops.
  • Experience with OpenSIPS, Asterisk, Twilio, SignalWire, or comparable communications platforms.
  • Experience building routing engines, IVR platforms, voice bots, or omnichannel engagement services.
  • Experience with Genesys, NICE, Five9, Amazon Connect, Cisco, Avaya, or comparable contact center platforms.
  • 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, including tools such as Claude or GitHub Copilot, is a plus.

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