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Added 7 mins ago
AH
Aircraft Maintenance Engineer
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- Full-time
WE’RE LOOKING FOR AN AIRCRAFT MAINTENANCE ENGINEER
Added 23 mins ago
TI
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- Full-time
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Added 23 mins ago
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- Full-time
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- Full-time
We are seeking an experienced Senior Mechanical Project Engineer to join our team in Calgary, Alberta. As the Senior Mechanical Engineer, this individual will use their knowledge of…
Added 23 mins ago
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Senior Mechanical Project Engineer
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- Full-time
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Added 23 mins ago
SM
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- Full-time
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ML Engineer, Character Models [Diffusion] - Hapiko
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…they love. We're a small team building a first-of-its-kind product and scaling it globally, and Spin Master's portfolio of well-known characters is next. Your job is to bring them to…
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Android Framework/Core OS Software Engineer, Senior
Zebra Technologies
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- Full-time
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Added 36 mins ago
IG
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- Full-time
…customers worldwide. This role is ideal for a backend-focused engineer who is passionate about developing scalable applications, building robust APIs, and contributing to modern cloud-based…
Added 52 mins ago
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Manager, Continuity & Response
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- Full-time
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Mechanical Engineer
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Nelson, BC
- Full-time
D-Pace is seeking a Mechanical Engineer or closely related engineering discipline to contribute to the design, analysis, testing, documentation, and delivery of mechanical and…
Added 1 hour ago
HT
Designer, Development (Service)
Husky Technologies
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- Full-time
…resolving systemic service issues. The team is responsible for all product lines (Machines, Molds, 3rd Party Hot runners, Controllers, and Auxiliaries) and works cohesively with a variety…
Added 1 hour ago
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Product Development Engineer
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Added 1 hour ago
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Lead Manufacturing Engineer
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Waterloo, ON
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Added 1 hour ago
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Staff Machine Learning / Operations Research Engineer
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Remote, Canada
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Added 1 hour ago
Software Engineer II, Earnings
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Toronto, ON
We're looking for an engineer to help build and scale Toast's earnings platform - systems that calculate tips and employee earnings for restaurant locations across Toast's network. You'll…
Added 1 hour ago
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Application Security Engineer II
Thumbtack
Remote, Canada
- Full-time
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We partner closely with Product, Engineering, Platform, and Data teams to shape system design, guide architectural decisions, and evolve Thumbtack’s security posture as the company scales.…
Added 1 hour ago
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Principal AI Engineer, Agentic Models and Data Platforms
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Added 1 hour ago
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Toronto, ON
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Added 1 hour ago
AM
Cost Estimator
Array Marketing
Toronto, ON · Greater Toronto Area, Canada
- $62,000 to $72,000 CAD / year
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…Sephora, L’Oréal, Coty, PUIG, Amazon, and many others to design, engineer, manufacture, and deliver bespoke retail environments that bring their brands to…
Added 1 hour ago
AM
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- Full-time
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Added 1 hour ago
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Product Support Analyst
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Richmond Hill, ON · Canada - Richmond Hill, Ontario (Applanix)
- Full-time
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Added 1 hour ago
AM
Civil Project Engineer
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Surrey, BC
- Full-time
The Project Engineer primarily serves as the Engineer-of-Record on projects they are assigned. On some projects they may perform a role of project leader and on others work more…
Added 2 hours ago
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Miratech

Senior Programmable Voice Engineer (CX Platform)

Canada

Full-time

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Job details

Job type: Full-time
Experience: 8+ years of software engineering experience, including substantial ownership of architecture and technical delivery for distributed applications.
Posting language: English
Posted: Oct 7, 2026

Original job description

Company Description

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%.

Job Description

We are looking for a Senior Programmable Voice Engineer to develop programmable voice capabilities, call control services, media processing, and API-driven communications infrastructure similar to Twilio and other CPaaS platforms. The role includes designing and building the voice platform powering next-generation customer experience solutions using technologies such as FreeSWITCH, Kamailio, SIP, WebRTC, Java, and Spring Boot. It suits a senior engineer who can move confidently between architecture, code, delivery risk, non-functional requirements, and client-facing technical discussions.

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.

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.

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.

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More about this job

Responsibilities

Design and build scalable programmable voice services, APIs, and call-control infrastructure, including routing, media processing, carrier integrations, and connections to CX and enterprise platforms. Define and uphold technical standards and non-functional requirements, troubleshoot complex voice issues, and collaborate with clients and cross-functional teams to guide delivery.

Requirements

Requires 8+ years of software engineering experience with substantial architecture and delivery ownership, deep hands-on expertise in FreeSWITCH and/or Kamailio, and strong knowledge of SIP, RTP, WebRTC, and telephony. Candidates should also have expert Java and Spring Boot experience, distributed systems and API design expertise, relational database experience, contact center platform knowledge, and strong communication skills.

Skills

FreeSWITCH
Kamailio
SIP
RTP
WebRTC
Java
Spring Boot
Microservices
REST APIs
Distributed Systems
API-First Design
Event-Driven Architecture
PostgreSQL
Contact Center Platforms
Call Routing
Telephony Troubleshooting

Visa sponsorship

Not detected in the job text

Keywords

Programmable Voice
CPaaS
FreeSWITCH
Kamailio
SIP
RTP
WebRTC
Java
Spring Boot
Microservices
REST APIs
PostgreSQL
Call Control
Call Routing
Media Processing
Carrier Integrations
Contact Center
Customer Experience
Event-Driven Architecture
Distributed Systems
Cloud-Native Engineering
Kafka
RabbitMQ
Kubernetes
Jenkins
API Gateways
Observability
Genesys
Amazon Connect
AI-Assisted Software Development

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