Jobs in Canada

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Added 3 months ago
Design Verification Engineer - technical lead, Annapurna Labs
Amazon
Toronto, ON
…take full ownership of delivering comprehensive verification solutions at a sub-system/chip level, with strong emphasis on system-wide implications and interactions. This role requires…
Added 4 months ago
AC
Frontend Technologies Architect
Aviva Canada
Markham, Ontario
- Full-time
We are looking for an experienced Frontend Technologies Architect to help shape the future of Aviva’s customer and broker digital experiences. In this role, you will define scalable,…
Added 4 months ago
AC
Frontend Technologies Architect
Aviva Canada
Toronto, Ontario
- Full-time
We are looking for an experienced Frontend Technologies Architect to help shape the future of Aviva’s customer and broker digital experiences. In this role, you will define scalable,…
Added 4 months ago
FS
Solutions Architect
Future Secure AI
Toronto, Ontario
- Full-time
We are looking for a Solution Architect to join our delivery team. You will own end-to-end solution design across client engagements - translating complex business requirements into…
Added 4 months ago
PI
Senior Java Engineer
Princeton IT Services, Inc
Toronto, Ontario
- Contract
Design, architect, develop, test, and implement Java-based backend solutions.
Added 3 months ago
A
AI/ML Architect-Accenture Advanced Technology Centers
Accenture
Mississauga, ON · Montreal, QC
- Full-time
This is a hybrid role in Mississauga/Montreal and requires 3 days per week in the office
Added 4 months ago
I
Staff Software Developer, Full Stack
Intuit
Toronto, Ontario
- Full-time
Intuit has embraced a hybrid working model and this role will be based out of our Toronto office 3 days per week
Added 4 months ago
A
Staff Software Engineer - Full Stack AI (Bangkok based, Relocation provided)
Agoda
Toronto, Ontario
- Full-time
…managers to define, build, and scale the next generation of AI solutions that make travel planning more intuitive, personalized, and effortless for millions of customers…
Added 3 months ago
D
Sr. Technical Account Manager - Canada East
DataVisor
Remote, Canada
- $130,000 to $150,000 CAD / year
- Full-time
- Remote
Architect machine learning and rule-based solutions for customers’ fraud problems
Added 4 months ago
TN
Developer Manager (Java)
The Nationwide Group
Markham, Ontario
- $145,000 to $165,000 CAD / year
- Full-time
…exclusively focused on creating comprehensive and customizable solutions for the real estate industry. Utilizing world-class technology, TNG delivers solutions to the entire mortgage life…
Added 3 months ago
J
Senior Software Engineer, Applied AI (Toronto)
Justworks
Toronto, ON
- $188,000 to $242,000 CAD / year
…maintain large-scale, complex applications. You care more about solutions and impacting the customer experience than using a particular tool or…
Added 3 months ago
VG
Software Engineer - Team Lead (Forward Deployed)
Volaris Group
Mississauga, ON · Canada - Mississauga, ON
- Full-time
…enterprise clients to design, implement, and scale real-world solutions while leading and developing a team of up to 6…
Added 3 months ago
A
PTC Windchill Technical Architect
Accenture
Toronto, ON · Ottawa, ON · Montreal, QC · Vancouver, BC · Calgary, AB
- Full-time
Responsibilities of the PTC Windchill Technical Architect may include:
Added 3 months ago
PV
Senior Solution Architect BI
Pet Valu
Markham, ON
- Full-time
A hands-on Senior Architect, Business Intelligence who thrives in a dynamic work environment, this role involves working across the entire BI lifecycle, from source data analysis, Extract…
Added 3 months ago
M
Senior Software Developer, API Platform
Miovision
Remote, Canada
- $150,000 to $170,000 CAD / year
- Full-time
- Remote
Make it happen: We are proactive and results-driven, taking ownership, acting with urgency, and focusing on solutions that deliver real impact.
Added 4 months ago
JG
Workfusion RPA Developer
J&M Group
Toronto, Ontario
- Full-time
Architect and design complex automation solutions, providing technical leadership across multiple streams.
Added 2 months ago
A
CCaaS Engineer
Accenture
Toronto, ON · Vancouver, BC · Calgary, AB
- Full-time
…passionate about building scalable, intelligent customer experience solutions that span both AWS and Google Cloud ecosystems. You thrive in fast-paced delivery environments, translate…
Added 2 months ago
PC
Senior Java Developer (with Python, AWS and Terraform) - Toronto, ON (Hybrid)
Pozent Corporation
Toronto, ON
- $65 to $85 CAD / hour
- Contract
Skills - Must Have
Added 5 months ago
AT
ead Full Stack Developer (C# / .NET Core / Azure)
Aarorn Technologies Inc
Toronto, Ontario
- Contract
Must have development experience in Azure Integration Services
Added 5 months ago
R
Software Engineer
RAVL
Toronto, Ontario
- Full-time
Architect and implement systems using modern languages and frameworks (e.g., Java, Node.js, .NET, Go, Python)
Added 4 months ago
R
Senior Staff Software Engineer, Platform
Rippling
Toronto, ON
- $201,000 to $335,000 CAD / year
Translate ambiguous business and product requirements into elegant, durable technical solutions
Added 3 months ago
Solutions Architect
Databricks
Toronto, ON
As a Solutions Architect at Databricks within the Field Engineering org you will partner with our customers to design scalable data architectures using Databricks technology and services.…
Added 5 months ago
C
Full Stack Java Developer Lead
CGI
Toronto, Ontario
- Full-time
We are looking for a Senior Full Stack Developer with deep expertise in Java, cloud technologies, and AI, along with strong experience in the Property & Casualty (P&C) insurance domain. You…
Added 5 months ago
S&
Lead Full Stack Developer
Saatchi & Saatchi Canada
Canada
- Full-time
8+ years in software engineering, with meaningful time as a hands-on lead, staff engineer, or solutions architect on production systems.
Added 3 months ago
C
AVP, Lead AI Engineer
Chubb
Toronto, ON
- Full-time
Ability to architect and own robust, scalable engineering solutions while remaining hands-on with code.

Justworks

Senior Software Engineer, Applied AI (Toronto)

Toronto, ON, Canada

$188,000 to $242,000 CAD / year

Apply on boards.greenhouse.io About employer

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Job details

Pay: $188,000 to $242,000 CAD / year
Experience: 5+ years of backend engineering experience building and operating production systems
Posting language: English
Posted: Aug 5, 2026

Original job description

Who We Are

At Justworks, you’ll enjoy a welcoming and casual environment, great benefits, wellness program offerings, company retreats, and the ability to interact with and learn from leaders in the startup community. We work hard and care about our most prized asset - our people.

We’re helping businesses get off the ground by enabling them to focus on running their business. We solve HR issues. We’re data-driven and never stop iterating. If you’d like to work in a supportive, entrepreneurial environment, are interested in building something meaningful and having fun while doing it, we’d love to hear from you.

We're united by shared goals and shared motivations at Justworks. These are best summed up in our company values, which are reflected in our product and in our team.

Our Values

If this sounds like you, you’ll fit right in.

Who You Are

You are self-driven and like to work with others to remove roadblocks. You are curious and love to explore and learn new technologies. You have demonstrated the ability to build, deploy, and maintain large-scale, complex applications. You care more about solutions and impacting the customer experience than using a particular tool or framework.

About the role:

You will join a small, highly autonomous cross-functional team to build AI agents that fundamentally transform how operations work at scale. Instead of writing bespoke software for every workflow, we are developing an agent platform that can read operational knowledge, reason about it in context, and execute tasks end-to-end. This approach allows us to scale complexity through knowledge and reasoning, rather than simply through code.

This is an opportunity to join a foundational team, which currently consists of fewer than five engineers. The work spans critical areas including LLM-powered agent design, robust backend service architecture, tool and integration development, and sophisticated knowledge infrastructure.

We are seeking a Senior Software Engineer with a strong passion for building AI-native systems in a product environment. The ideal candidate will be able to take ownership of large segments of the technology stack, make pragmatic technical decisions in ambiguous and emerging territory, and consistently ship high-quality, production-ready systems that our users rely on every day.

Responsibilities:

Design, build, and own core components of the agent platform, from the orchestration layer to the tool integrations connecting it to internal systems.
Build and evolve the capabilities layer: APIs, data access patterns, and service integrations for agents to execute operational workflows.
Architect the knowledge and memory infrastructure, allowing agents to retrieve the data and act across our systems.
Design and implement the trust and safety framework, including audit trails, human-in-the-loop controls, and guardrails for safe and auditable AI-driven operations.
Contribute to agent evaluation and testing infrastructure, defining how we measure accuracy, reliability, and regression across agent behaviors.
Partner directly with Operations to understand workflows, identify automation opportunities, and translate process knowledge into agent capabilities.
Mentor other engineers on the team as it grows.

About the candidate

You are comfortable in a fast-paced, early-stage environment. You demonstrate a "scrappy" and resourceful approach, proactively identifying solutions and unblocking yourself without needing a fully defined path.
You are pragmatic and balance quality with speed. You understand when to optimize for long-term durability and when to iterate quickly. You prioritize pragmatism over being overly precious about code, but never compromise on quality in a way that creates future issues.
You are product-minded. You look beyond the immediate task, seeking to understand the "why" behind the build and questioning whether it's the right product solution. You are comfortable contributing product thinking alongside engineering work.
You demonstrate a strong ownership mindset. You are proactive, identify gaps, and drive initiatives to completion without waiting for explicit instructions. When encountering issues or ambiguity, you address them directly.
You possess strong backend engineering fundamentals. You can confidently design, build, and operate production systems.
You are curious and eager to develop expertise in AI and LLMs. While deep research is not required, you are motivated to build practical, real-world products using these tools, specifically focusing on agent systems.

Qualifications

5+ years of backend engineering experience building and operating production systems
Hands-on experience with LLMs and AI agents (orchestration, RAG, tool/function calling, or similar)
Strong API design and system integration skills
Product-minded: questions requirements and contributes to product decisions, not just execution
Proven ownership of complex projects in ambiguous, early-stage environments

Technologies Used

Golang, Ruby on Rails, Javascript, Java, C#, Python, VueJS, MySQL, Kafka, AWS, Git, Memcache, Redis, ElasticSearch, Docker, Terraform, Kubernetes, CircleCI, DataDog

The base wage range for this position based in our Toronto office is targeted at $188,000.00 to $242,000.00 CAD per year.

Actual compensation is based on multiple factors that are unique to each candidate, including and not limited to skill set, level of relevant experience, and specific work location. Salary ranges for positions based in other locations may differ based on the cost of labor in that location.

For more information about Justworks’ Total Reward Philosophy, including all of the perks and benefits we are proud to offer our team members, please visit Total Rewards @ Justworks.

Diversity At Justworks

Justworks is committed to maintaining a workplace where diversity of identity, culture, and life experience is the norm and is celebrated authentically and respected consistently. Diversity in our work, our people, and our product drives creativity and innovation, entrepreneurial leadership and integrity, competitiveness, and collaboration throughout our business and in the market. We depend on our differences to make our team stronger, our workplace more dynamic, and our product accessible to all of our customers.

We’re proud to be an equal opportunity employer open to all qualified applicants regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital or familial status, disability, pregnancy, gender identity or expression, veteran status, genetic information, or any other legally protected status. Justworks is fully dedicated to providing necessary support to candidates with disabilities who may require reasonable accommodations. We also provide reasonable accommodations to employees based on their sincerely held religious beliefs, as well as for other covered reasons consistent with applicable federal, state, and local laws. If you're in need of a reasonable accommodation, please reach out to us at accommodations@justworks.com. Your comfort and success matter to us, and we're here to ensure an inclusive experience.

Our DEIB Report

Apply on boards.greenhouse.io About employer

More about this job

Responsibilities

Design, build, and own core components of the AI agent platform, including orchestration layers and tool integrations. Architect knowledge and memory infrastructure while implementing trust, safety, and evaluation frameworks for AI-driven operations.

Requirements

Requires 5+ years of backend engineering experience with a focus on production systems. Candidates must have hands-on experience with LLMs, AI agents, and strong API design skills.

Skills

Golang
Ruby on Rails
Python
LLMs
AI agents
Backend engineering
API design
System integration
RAG
Kubernetes
Docker
AWS
Kafka
ElasticSearch
Redis
Terraform

Benefits

Wellness program
Company retreats
Health benefits

Visa sponsorship

Not detected in the job text

Keywords

Golang
Ruby on Rails
Javascript
Java
C#
Python
VueJS
MySQL
Kafka
AWS
Git
Memcache
Redis
ElasticSearch
Docker
Terraform
Kubernetes
CircleCI
DataDog
LLMs
AI agents
RAG
Backend engineering
API design
System integration
Orchestration
Human-in-the-loop
Automation
Software architecture
Product-minded

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Jobs in Canada