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Added 1 hour ago
A
Senior Full Stack Engineer
arcadia
Toronto, ON · Greater Toronto Area, Canada
- $200,000 to $250,000 CAD / year
- Full-time
An AI company focused on medical imaging and clinical research is hiring a Senior Full Stack Engineer to build software that helps bring effective cancer treatments to patients sooner.
Added 3 hours ago
F
Senior Product Development Manager
femtherapeutics
Montreal, QC
- Full-time
…device is delivered alongside a digital platform that supports clinical screening, education, and care navigation. Through this combination of hardware and software, femtherapeutics…
Added 3 hours ago
UH
Technical Specialist, Techna (Data Engineer)
University Health Network
Toronto, ON
- Full-time
…transform, and load (ETL) pipelines that bring data from multiple clinical and research sources into analysis-ready form. You will share your expertise with, and mentor, other members of…
Added 7 hours ago
MA
Senior Software Engineer
Milya AI
Montreal, QC
- Full-time
…building intelligent, human-centered AI solutions that streamline clinical and administrative workflows in dental practices. The company’s products, including Josh - an AI dental scribe…
Added 1 day ago
E
Tests and Validations Specialists
EERS
Montreal, QC
- Full-time
…of product design. Reporting to the Senior Hardware Design Engineer, and under supervision of the EMC specialist, we expect them to perform a variety of tasks ranging from design to…
Added 2 days ago
A
Human Factors Engineer
Actalent
Vancouver, BC
- $50 to $65 CAD / hour
- Contract
The Human Factors Engineer supports the development and commercialization of innovative medical devices and healthcare technologies. This role integrates usability engineering and…
Added 3 days ago
UH
R&D Engineer
University Health Network
Mississauga, ON
- Full-time
The R&D Engineer is generally responsible for translating clinical needs from transplant surgeons into product ideas. They research new technologies, build proof-of-concept prototypes,…
Added 3 days ago
C(
Senior Software Engineer, Agentic Systems
CareLink (by Asepha)
Toronto, ON
- Full-time
…rapidly and seeking a talented, innovative Senior Software Engineer to join our growing team. As one of our early hires, you’ll play a critical role in shaping our engineering efforts,…
Added 3 days ago
C
Steamfitter, Facilities Department - Permanent Full-Time (1.0)
CHEO
Ottawa, ON
- Full-time
Ranked in the top 1% of Canadian hospitals for the digitization of its clinical infrastructure, CHEO combines excellence in clinical care, research, and education to advance seamless care…
Added 3 days ago
SH
Energy Management Coordinator
Shared Health-Soins Communs
Winnipeg, MB
- Full-time
Shared Health leads the planning and coordinates the integration of patient- centered clinical and preventive health services across Manitoba. The organization also delivers some…
Added 3 days ago
Energy Management Coordinator
Winnipeg Regional Health Authority
Winnipeg, MB
Shared Health leads the planning and coordinates the integration of patient- centered clinical and preventive health services across Manitoba. The organization also delivers some…
Added 3 days ago
K(
Founding Product Manager
Klarify (YC P26)
Canada
- Full-time
You'd join Moody (CEO), Bergie (CTO) and Zach (founding engineer) as one of our first hires. You'll own product and work directly with the CEO, with a focus on adoption and expansion:…
Added 3 days ago
K(
Head of Product
Klarify (YC P26)
Canada
- Full-time
You'd join Moody (CEO), Bergie (CTO) and Zach (founding engineer) as our first product leader. You'll own product strategy and work directly with the CEO on where the product goes next.…
Added 3 days ago
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Software Engineer - Voice AI (Inference Runtime)
Baseten
Montreal, QC
- $165,000 to $330,000 USD / year
- Full-time
…for Voice AI customers across productivity, customer service, clinical conversation, creator tools, education, and more. You’ll make a meaningful impact on people’s daily lives and help…
Added 3 days ago
B
Software Engineer - Voice AI (Inference Runtime)
Baseten
Toronto, ON
- $165,000 to $330,000 USD / year
- Full-time
…for Voice AI customers across productivity, customer service, clinical conversation, creator tools, education, and more. You’ll make a meaningful impact on people’s daily lives and help…
Added 3 days ago
ES
Building Operator - Toronto
Equans Services Canada & US
Toronto, ON
- Full-time
Plant Monitoring: Undertake and record routine plant inspections in the Engineer’s Log Books and Computerized Maintenance Management System (CMMS);
Added 3 days ago
ES
Building Operator (Night shift) - Richmond Hill, ON
Equans Services Canada & US
Toronto, ON
- Full-time
Plant Monitoring: Undertake and record routine plant inspections in the Engineer’s Log Books and Computerized Maintenance Management System (CMMS);
Added 3 days ago
MI
FHIR Integration Engineer/Full Stack Engineer (Healthcare) 7+ years of experience
Maarut Inc
Toronto, ON
- Contract
Assess polling-based integrations and workflows, identify the clinical or application events that should trigger notifications, and map each workflow to the appropriate FHIR…
Added 4 days ago
UH
Building Operator
University Health Network
Toronto, ON
- Full-time
A Certificate or Diploma in Building Operations, or a 3rd or 4th Class Stationary Engineer Certificate (TSSA), or a recognized licensed trade certification (HVAC, Plumbing, Millwright,…
Added 4 days ago
Data Engineer
CareRx
Toronto, ON
…unique and complex medication needs. Our goal is to improve clinical outcomes and provide personalized care every step of the…
Added 4 days ago
D
Senior Architectural Contract Construction Administrator
DIALOG
Prince George, BC
- Full-time
Participate in constructability, sequencing, mock-up and quality reviews with the design, construction and clinical teams.
Added 4 days ago
FM
Research and Development Engineer (Junior)
FluidAI Medical
Kitchener, ON
- $65,000 to $80,000 CAD / year
Support current clinical research and product manufacturing/development activities.
Added 4 days ago
FM
Research and Development Engineer (Intermediate)
FluidAI Medical
Kitchener, ON
- $75,000 to $90,000 CAD / year
Own current clinical research and product manufacturing/development activities.
Added 5 days ago
HR
Mechanical Room Mechanic
Humber River Health
Toronto, ON · Greater Toronto, ON
- Other
…River Health, we use a custom combination of technology and clinical expertise to rebuild elements of care. We make technology work for staff and physicians; giving them more time to spend…
Added 5 days ago
F
Engineering Manager, AI
Felix
Remote, Canada
- $190,000 to $240,000 CAD / year
- Full-time
- Remote
…define the AI roadmap, partnering closely with Product, CX, Clinical and Pharmacy to decide where AI creates real…

Baseten

Software Engineer - Voice AI (Inference Runtime)

Toronto, ON, Canada

$165,000 to $330,000 USD / year · Full-time

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Job details

Pay: $165,000 to $330,000 USD / year
Job type: Full-time
Apply by: Nov 28, 2026
Posting language: English
Posted: Oct 30, 2026

Original job description

About Baseten

Baseten powers mission-critical inference for the world's most dynamic AI companies, like Cursor, Notion, OpenEvidence, Abridge, Clay, Gamma, and Writer. By uniting applied AI research, flexible infrastructure, and seamless developer tooling, we enable companies operating at the frontier of AI to bring cutting-edge models into production. We're growing quickly and recently raised our $1.5B Series F, led by Altimeter Capital, Conviction Partners, and Spark Capital. Join us and help build the platform engineers turn to ship AI products.

THE ROLE

Voice is becoming the internet’s next interface, but a production-grade Voice AI system is "hard to build". You’ll join a small founding team of Baseten Voice AI, focused on bringing state-of-the-art open source models into production for Voice AI customers across productivity, customer service, clinical conversation, creator tools, education, and more. You’ll make a meaningful impact on people’s daily lives and help reshape these industries.

This is a high-impact, high-ownership role. You will be the primary owner of Baseten Voice AI - our in-house inference stack to power Voice AI models - from product roadmap through engineering implementation. You’ll partner closely with Forward Deployed Engineers, Model Performance Engineers, and sister engineering teams to push the boundaries of Voice AI.

EXAMPLE INITIATIVES

Develop world-class model serving stack for state-of-the-art open-source voice models - reduce end-to-end and tail latency (p95/p99), increase throughput, and improve GPU efficiency via profiling, runtime tuning, and server-level optimizations.
Build large-scale, real-time infrastructure for multi-model voice agents - orchestrate STT, TTS, and agent components with streaming I/O to meet customer SLOs.
Design tight training and inference iteration loops for voice model customization - enable fast evaluation, safe rollout, and rapid experimentation for custom voice model development.
Past projects:
- Baseten leads Coval’s voice AI benchmark
- How Notion achieved 2-3x lower latency with AI Meeting Notes
- Cost-efficient, high-performance TTS with Qwen3-TTS
- Fine-tuning Qwen3-TTS for high-quality voice cloning
- The fastest Whisper - with streaming and diarization
- NVIDIA Nemotron 3 Diarization: real-time speaker labels at a cent per audio hour

Responsibilities

Own and lead Voice AI product areas end-to-end - from architecture and system design through implementation, rollout, and long-term production operations.
Design, build, and operate real-time, large-scale, high-performance model serving systems for STT, TTS, and voice agent workloads for mission-critical customer deployments
Drive cross-team collaboration with sister engineering teams to solve full-stack technical problems, align on priorities, and coordinate end-to-end delivery across the product surface area
Mentor teammates through code reviews, design docs, and technical leadership.

Requirements

Bachelor's degree or higher in Computer Science or related field
Proven track record owning production-grade real-time, large-scale systems where tail latency (p99) matters.
Proficient coding abilities in one or more popular programming or scripting languages; Python proficiency is a plus.
Good taste in product, particularly developer-oriented tools
Interest in ML/AI infrastructure and willingness to learn
Strong collaboration and communication skills
Comfortable using AI coding assistants (e.g., Claude Code, Codex, Cursor) as a daily productivity multiplier - as an AI-native company, we see this as a must-have skill.

NICE TO HAVE

Experience implementing pipeline-level model runtime optimizations such as dynamic batching, async scheduling, or decode-side throughput improvements.
Experience building developer platforms: SDKs, CLIs, APIs, and self-serve workflows for ML or infrastructure products.
Experience with containerization and orchestration technologies (Docker, Kubernetes), service meshes, or distributed scheduling.
Familiarity with speech/audio ML models (STT, TTS, speech-to-speech)
Familiarity with model-serving runtimes (vLLM, TensorRT, ONNX).
Familiarity with systems-level performance profiling across host-device boundaries (e.g. PyTorch Profiler), diagnosing GPU utilization issues
Exposure to customer-facing engineering: pre-sales prototyping, technical discovery, or working directly with customers to ship solutions.

Benefits

Competitive compensation, including meaningful equity
(U.S. only) 100% coverage of medical, dental, and vision insurance for employee and dependents
Flexible PTO policy including company wide Winter Break (our offices are closed from Christmas Eve to New Year's Day!)
Paid parental leave
Fertility and family-building stipend through Carrot
(U.S. only) Company-facilitated 401(k)
Exposure to a variety of ML startups, offering unparalleled learning and networking opportunities.

Apply now to embark on a rewarding journey in shaping the future of AI! If you are a motivated individual with a passion for machine learning and a desire to be part of a collaborative and forward-thinking team, we would love to hear from you.

At Baseten, we are committed to fostering a diverse and inclusive workplace. We provide equal employment opportunities to all employees and applicants without regard to race, color, religion, gender, sexual orientation, gender identity or expression, national origin, age, genetic information, disability, or veteran status.

We are an Equal Opportunity Employer and will consider qualified applicants with criminal histories in a manner consistent with applicable law (by example, the requirements of the San Francisco Fair Chance Ordinance, where applicable).

Compensation Range: $165K - $330K

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More about this job

Responsibilities

Own Voice AI product areas end to end, including architecture, implementation, rollout, and ongoing production operations. Build and operate high-performance real-time serving infrastructure for speech-to-text, text-to-speech, and voice-agent workloads, while coordinating delivery across teams and mentoring colleagues.

Requirements

Requires a bachelor's degree or higher in computer science or a related field, experience owning production-grade real-time, large-scale systems where p99 latency matters, and proficiency in at least one popular programming or scripting language. Candidates should have strong collaboration and communication skills, product judgment for developer tools, interest in ML infrastructure, and comfort using AI coding assistants; Python is a plus.

Skills

Real-Time Systems
Large-Scale Systems
Low-Latency System Design
Model Serving
Inference Runtime Optimization
Python
Voice AI
Speech-to-Text
Text-to-Speech
Streaming Infrastructure
GPU Performance Optimization
Dynamic Batching
Asynchronous Scheduling
Docker
Kubernetes
Technical Leadership

Benefits

Equity
Medical Insurance
Dental Insurance
Vision Insurance
Flexible Paid Time Off
Company-Wide Winter Break
Paid Parental Leave
Fertility and Family-Building Stipend
401(k)

Visa sponsorship

Not detected in the job text

Keywords

Voice AI
Inference Runtime
Model Serving
Real-Time Infrastructure
Speech-to-Text
Text-to-Speech
Voice Agents
Streaming I/O
Tail Latency
P99 Latency
Throughput Optimization
GPU Efficiency
Dynamic Batching
Asynchronous Scheduling
Python
Docker
Kubernetes
Service Meshes
Distributed Scheduling
vLLM
TensorRT
ONNX
PyTorch Profiler
Model Performance Profiling
AI Coding Assistants
Developer Platforms
SDKs
CLIs
APIs
Machine Learning Infrastructure

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