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Added 2 months ago
PE
Senior Embedded Linux Developer (Audio Platforms)
Paradigm Electronics Inc.
Ottawa, ON
- $110,000 to $145,000 CAD / year
- Full-time
We are looking for a Senior Embedded Linux Developer to engineer, maintain, and optimize the core Linux foundation for our next-generation streaming audio products. You will assume…
Added 2 months ago
H
Senior Software Engineer, Machine Learning
Hive
Remote, Canada
- $123,600 to $187,900 USD / year
- Full-time
- Remote
Own the Full Pipeline - and Its Business Impact: From Change Data Capture through validation, transformation, and denormalization - you drive the stack end to end. But you also understand…
Added 2 months ago
PA
AI Software Engineer, Product
Palona AI
Toronto, ON
- Full-time
Our stack includes Python and FastAPI services, PostgreSQL, TypeScript, React and Next.js applications, real-time voice agents built with LiveKit, cloud infrastructure on AWS, and modern…
Added 2 months ago
PA
AI Software Engineer, Growth
Palona AI
Toronto, ON
- Full-time
We are looking for an AI Full-Stack Engineer who treats growth as an engineering and product discipline. You will own web experiences, experimentation, SEO and generative-engine…
Added 2 months ago
L
Full Stack Product Engineer
Liftoff
Montreal, QC
- $70,000 to $110,000 CAD / year
- Full-time
We're hiring a Full-Stack Engineer to ship product features and experiments end-to-end. Your core focus areas:
Added 2 months ago
C
Senior Software Engineer
Clutch
Toronto, ON
- $160,000 to $200,000 USD / year
- Full-time
Have experience building frontend, backend, or full-stack applications.
Added 2 months ago
PA
AI Modeling Engineer
Palona AI
Toronto, ON
- Full-time
…and business outcomes. You will work closely with product, full-stack, infrastructure, and customer-facing engineers to move from hypothesis to experiment to reliable…
Added 2 months ago
BV
Principal Engineer, Agentic Products & Workflows
Big Viking Games
Toronto, ON
- $175,000 to $200,000 CAD / year
- Full-time
Big Viking Games is hiring a Principal Engineer, Agentic Products & Workflows to build the systems that make an AI-first game studio real.
Added 2 months ago
F
Senior Security Engineer
Forma.ai
Toronto, ON
- Full-time
As a Senior Security Engineer, you will be a hands-on technical leader strengthening security across Forma's application, cloud infrastructure, development lifecycle, internal systems, and…
Added 2 months ago
WT
Senior Software Developer, LLM Infrastructure
Wealthsimple Technologies
Remote, Canada
- $152,900 to $189,000 CAD / year
- Full-time
- Remote
Wealthsimple is Canada’s leading financial innovator. The company offers a full suite of simple, sophisticated financial products across managed investing, do-it-yourself trading,…
Added 2 months ago
TE
Director Cloud Operations & Support
THE EMPIRE LIFE INS. CO
Canada
- Full-time
…reactive, batch-centric management to a proactive, cloud-first, full-stack observability mindset. This includes mentoring managers and technical teams on SRE practices and agile…
Added 2 months ago
Software Dev Engineer II, Oracle Database@AWS
Amazon
Vancouver, BC
- 3+ years of full software development life cycle, including coding standards, code reviews, source control management, build processes, testing, and operations experience
Added 2 months ago
FF
Biomanufacturing Scale-up Lead
Future Fields
Edmonton, AB
- Full-time
We are seeking a hands-on, mechanically-minded Scale-up Technologist to take our midstream manufacturing process from pilot-scale to full production.
Added 2 months ago
A|
Forward-Deployed Engineer
arosplatforms | AI Consulting & Services
Toronto, ON
- Full-time
4+ years shipping software, with strong full-stack ability (TypeScript + Python).
Added 1 month ago
Staff Machine Learning Engineer, Generative AI (Auth0)
Okta
Toronto, ON
As a Staff Machine Learning Engineer on the Generative AI team, you will help shape, architect, and accelerate our Generative AI strategy by contributing across the stack of model…
Added 2 months ago
J
Principal Revenue Operations Manager
Jobber
Remote, Canada
- Full-time
- Remote
Lead the technical transformation of our revenue tech stack, including API integration, low-code automation (e.g., n8n), and AI augmentation.
Added 2 months ago
Sr. Manager, Engineering
Dialpad
Vancouver, BC
Full-stack fluency: a modern JavaScript framework (we use Vue 3 + TypeScript) and Python or Java on the backend.
Added 2 months ago
C
Senior Software Engineer
Clutch
Toronto, ON
- $160,000 to $200,000 USD / year
- Full-time
Have experience building frontend, backend, or full-stack applications.
Added 2 months ago
F
Senior Software Engineer (AI & Full Stack)
Fable
Canada
- Full-time
Fable is looking for a highly motivated Senior Software Engineer with deep backend expertise, strong full-stack development skills, and hands-on experience building AI-powered applications…
Added 1 month ago
C
AI-Augmented Full-Stack Engineer - Vice President
Citi
Mississauga, ON
- Full-time
The AI-Augmented Full-Stack Engineer is a senior individual contributor position within Citi's Banking Technology organization. This team builds and maintains the applications and platforms…
Added 2 months ago
BS
Staff/Lead Application Security Engineer
Beacon Software
Toronto, ON
- Full-time
You will be Beacon's first dedicated application security engineer. You will set the strategy for product security and start to build the program.
Added 2 months ago
W
Senior Software Engineer II - Integrations
Wrapbook
Remote, Canada
- $183,000 to $251,500 CAD / year
- Full-time
- Remote
Full stack Ruby on Rails (Frontend & Backend)
Added 2 months ago
E
Staff Software Engineer
Equifax
Toronto, ON · CAN - Ontario - Toronto
- Full-time
Lead the Architecture design and development of complex , scalable and resilient full-stack applications , with a primary focus on Java , Spring Boot, and modern front-end frameworks.
Added 3 months ago
Senior Software Development Engineer, AWS ElastiCache
Amazon
Vancouver, BC
…capabilities - durable replication, active-active conflict resolution, full-text and vector search - while maintaining the sub-millisecond latencies our customers depend…
Added 2 months ago
P
Senior Full-Stack Engineer
Prophix
Toronto, ON · Etobicoke, ON
- Full-time
As a Senior Engineer on the FP&A Plus platform, you will design, build, and maintain the modular .NET capabilities that more than 2,500 finance teams around the world rely on every day for…

Wealthsimple Technologies

Senior Software Developer, LLM Infrastructure

Remote, Canada

Remote

$152,900 to $189,000 CAD / year · Full-time

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Job details

Pay: $152,900 to $189,000 CAD / year
Job type: Full-time
Workplace: Remote
Experience: 6+ years of software engineering experience building production-ready distributed systems or data platform infrastructure.
Posting language: English
Posted: Aug 12, 2026

Original job description

Build something people love

Wealthsimple is Canada’s leading financial innovator. The company offers a full suite of simple, sophisticated financial products across managed investing, do-it-yourself trading, cryptocurrency, tax filing, spending and saving. Wealthsimple currently serves more than 4 million Canadians and holds over $155 billion in assets under administration. The company was founded in 2014 by a team of financial experts and technology entrepreneurs, and is headquartered in Toronto, Canada.

We're proud of what we've built - and we're just getting started. Read our Culture Manual and learn more about how we work.

Machine Learning Infrastructure Team

The Machine Learning Infrastructure team builds the core foundation powering AI and GenAI initiatives across Wealthsimple. As our AI footprint expands, our priority is building scalable, cost-effective infrastructure that enables high-performance inference using open-source models alongside vendor solutions. Our responsibilities are to:

Build and maintain infrastructure to host and serve open-source LLMs reliably on cloud/GPU systems.
Implement intelligent model-routing frameworks to optimize performance, cost, and latency.
Develop evaluation and benchmarking tooling (Evals) to test, validate, and compare model performance across use cases.
Set the technical direction for operating scalable LLM infrastructure company-wide.

The Role

As a Senior Software Engineer on the ML Infrastructure team, you will design and implement the core backend and infrastructure powering our AI systems. You will work closely with data scientists, platform engineers, and engineering leaders to scale our GenAI footprint efficiently and securely.

In this role, you will have the opportunity to:

Build model-routing architecture (e.g., LiteLLM integration) to dynamically direct requests across internal and external models.
Provision and manage high-performance GPU infrastructure for serving open-source LLMs.
Build evaluation frameworks (Evals) that enable engineers and data scientists to benchmark model quality against production requirements.
Drive key cost-optimization and infrastructure efficiency initiatives without sacrificing system accuracy or reliability.

We are looking for people who have:

6+ years of software engineering experience building production-ready distributed systems or data platform infrastructure.
Strong proficiency in Python and infrastructure tooling like Kubernetes and Terraform.
Proven experience designing and operating highly performant, observable backend systems.
Practical experience or deep familiarity with the modern AI ecosystem (e.g., serving open-source models, vLLM, Ray, model routing, or evaluation frameworks).
Track record of owning technical projects end-to-end with high autonomy.

Our stack includes:

Container & Infra: Kubernetes, Terraform, AWS GPU infrastructure
Languages & APIs: Python, FastAPI
LLM Tooling & Serving: LiteLLM, vLLM, Ray, Bedrock
Data & Streaming: Kafka, Postgres, Redshift, Snowflake

Why Wealthsimple?

🌸 Top-tier health benefits and life insurance

📈 Long-term group savings with employer match, through Wealthsimple for Business

🌴 20 vacation days, 4 wellness days, and unlimited sick and mental health days per year

✈️ 90 days away: work outside Canada for up to 90 days per year

👥 Employee resource groups, including Rainbow (2SLGBTQ), Women of WS, and Black at WS

🌎 We are a hybrid team with over 1,500 employees across North America. The people are one of the best parts of working here: you'll collaborate with incredibly talented, curious, and driven teammates who are deeply committed to doing great work.

ICYMI

Technology & Innovation at Wealthsimple: We move quickly and build thoughtfully. That means we're always looking for better ways to work - whether that's new tools, AI, or rethinking how we approach a problem. We don't expect you to have all the answers, but we do expect curiosity and a willingness to evolve alongside the products we're building.

Inclusion Statement: We're building products for a diverse world, and we need a diverse team to do it well. We strongly encourage applications from everyone, regardless of race, religion, colour, national origin, gender, sexual orientation, age, marital status, or disability status.

Accessibility Statement: We're committed to an accessible hiring experience. If you need any accommodations throughout the interview process, please let us know - we'll work with you to make sure you have what you need. We also welcome any feedback on how we can better accommodate candidates with accessibility needs.

AI in Hiring: We may use artificial intelligence (AI) tools to support parts of our hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our team but don't replace human judgment – all final hiring decisions are made by people. If you have questions about how your data is used, reach out to us.

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More about this job

Responsibilities

Build and maintain scalable infrastructure to host and serve open-source LLMs while implementing intelligent model-routing frameworks. Develop evaluation and benchmarking tooling to validate model performance and drive cost-optimization initiatives.

Requirements

Requires 6+ years of software engineering experience in building production-ready distributed systems or data platform infrastructure. Strong proficiency in Python, Kubernetes, and Terraform is essential, along with practical experience in the modern AI ecosystem.

Skills

Python
Kubernetes
Terraform
Distributed systems
Data platform infrastructure
LLM infrastructure
Model routing
Evaluation frameworks
GPU infrastructure
vLLM
Ray
FastAPI
AWS
Kafka
Postgres
Snowflake

Benefits

Health benefits
Life insurance
Long-term group savings with employer match
20 vacation days
4 wellness days
Unlimited sick and mental health days
90 days away work program
Equity compensation

Visa sponsorship

Not detected in the job text

Keywords

Software Engineering
LLM
Infrastructure
Machine Learning
GenAI
Distributed Systems
Python
Kubernetes
Terraform
AWS
GPU
LiteLLM
vLLM
Ray
FastAPI
Kafka
Postgres
Redshift
Snowflake
Model Routing
Benchmarking
Evals
Backend
Cloud
Data Platform
Cost Optimization
Scalability
Reliability
Inference
Financial Technology

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