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Added 8 days ago
C++ Senior R&D Engineer
Synopsys Inc
Vancouver, BC
Full-time
You are an experienced engineer with a strong background in software development and architecture. You have deep expertise in C++ and Python, and thrive on solving technical challenges in…
Added 15 days ago
Senior Software Engineer, R&D Business Systems
Fivetran
Toronto, ON
We’re looking for a Senior Software Engineer within our Engineering Strategy and Operations group. Our Research and Development (R&D) department is dedicated to accelerating innovation.…
Added 16 days ago
R&D Engineer- Data Scientist
Tenova
Mississauga, ON
Full-time
Collaborate with senior engineers and project managers to support timely, cost-effective project execution.
Added 1 month ago
R&D Engineer II
Stathera, Inc.
Vancouver, BC
$86,000 to $110,000 CAD / year
Full-time
The R&D Engineer will report directly to the Senior Systems Engineer and will be expected to work a total of 40 hours per week (on-site or hybrid).
Added 2 months ago
St Staff R&D Engineer
Synopsys Inc
Waterloo, Ontario
Full-time
…shipping software that works. You will work alongside other senior engineers, leads, and principals who care deeply about the craft and the…
Added 5 days ago
R&D Optical Product Ramp Engineer
Ciena
Ottawa, ON
Full-time
Reporting to a Senior Manager, Hardware Engineering, you will work alongside experienced hardware, optical, firmware, reliability, manufacturing, and test engineers responsible for…
Added 4 days ago
R&D Optical Product Ramp Engineer
Ciena
Ottawa, ON
Full-time
Reporting to a Senior Manager, Hardware Engineering, you will work alongside experienced hardware, optical, firmware, reliability, manufacturing, and test engineers responsible for…
Added 2 months ago
Senior Systems Integration Engineer [552]
D-Wave
Burnaby, BC
D-Wave is seeking a Senior Systems Integration Engineer to support the development, integration, validation, and continuous improvement of complex quantum computing systems. This role sits…
Added 1 month ago
Senior Analytics Engineer
Futures Sport & Entertainment
Swift Current, SK
Full-time
We are looking for a Senior Analytics Engineer to join Futures. In this hybrid role, you will work closely with both the Tech team and client-facing teams, playing a key role in the…
Added 1 month ago
Senior Engineer, Viking Design Transfer
VitalBio
Oakville, ON
Full-time
The Senior Staff Engineer, Viking Design Transfer will spearhead the design transfer of a cutting-edge analytical IVD (in vitro diagnostics) instrument. This is a high-impact, on-site…
Added 28 days ago
Senior Engineer, Applied AI
Fulfillment IQ
Toronto, ON
Full-time
This is a high-impact, senior engineering role, where engineers are expected to operate with significant ownership and minimal oversight. The role focuses on building production-ready AI…
Added 4 days ago
Senior Engineer, Applied AI
Fulfillment IQ
Remote, Canada
Full-time · Remote
This is a high-impact, senior engineering role, where engineers are expected to operate with significant ownership and minimal oversight. The role focuses on building production-ready AI…
Added 17 days ago
Senior Backend Engineer
Assembler AI
Montreal, QC
Full-time
As a Senior Backend Software Developer, you'll architect, design, build, deploy, operate and scale the backend platform that turns thousands of real-time video feeds into insights operators…
Added 2 months ago
Senior Software Engineer in Test (SDET)
Solink
Remote, Canada
$115,000 to $147,500 CAD / year
Full-time · Remote
We're looking for a Software Development Engineer in Test (SDET) to join our Device Management team.
Added 5 days ago
Senior Process Engineer, Mechanistic Modelling
Optimyze1
Montreal, QC · Greater Montreal Metropolitan Area
$160,000 to $170,000 CAD / year
Full-time
Senior Process Development Engineer – AI-Driven Bioprocess Innovation
Added 1 day ago
Senior Quality Engineer
Avenue 45
Mississauga, ON
$125,000 to $145,000 CAD / year
Full-time
Our direct client is looking for a Senior Quality Engineer with strong background in Medical Devices, working onsite in Oakville / Mississauga, ON, Canada.
Added 1 month ago
Senior Electronic Engineer
Johnson Controls
Brossard, QC · CAN Quebec Brossard
Full-time
Johnson Controls est à la recherche d'un spécialiste senior en composant électronique pour ses installations de R&D à Brossard, QC, à proximité des autoroutes 30, 10 et du REM. Dans ce…
Added 1 month ago
Senior Manufacturing Engineer
Industrial Electric Mfg. (IEM)
Surrey, BC
$45.67 to $56.25 CAD / hour
Full-time
IEM is currently seeking a Senior Manufacturing Engineer (Manufacturing Engineer, E3) for our Surrey, B.C. locations and will report into the Senior Manager of Manufacturing Engineering.…
Added 15 days ago
Senior Manufacturing Engineer
Industrial Electric Manufacturing
Surrey, BC
$45.67 to $56.25 CAD / hour
IEM is currently seeking a Senior Manufacturing Engineer (Manufacturing Engineer, E3) for our Surrey, B.C. locations and will report into the Senior Manager of Manufacturing Engineering.…
Added 10 days ago
Project Engineer Senior I
Ultra Maritime
Dartmouth, NS
Full-time
Ultra Maritime is seeking an experienced and motivated Project Engineer to guide the development of advanced Anti-Submarine Warfare (ASW) systems for the naval market.
Added 2 months ago
Senior Java Engineer
Princeton IT Services, Inc
Toronto, Ontario
Contract
We are looking for highly experienced, hands-on Senior Java Engineers (Architects /Technical Leads with strong hands-on Software Engineering background) to join an innovation-focused on…
Added 1 month ago
Senior Customer Support Engineer
Nokia
Canada
Full-time
Within R&D our focus is on customer issues that are escalated through the 2nd and 3rd level support organization. As such we have the role of 4th level customer support engineers.
Added 9 days ago
Senior Reliability/Test Engineer
VIAVI Solutions
Ottawa, ON
Full-time
VIAVI, Ottawa Canada, Fiber Optic Lab & Production Test (FOPLT) Business Unit, has a need for a Senior Test Engineer with the experience and drive to make a difference. This position will…
Added 10 days ago
Senior Reliability/Test Engineer
VIAVI Solutions
Ottawa, ON
Full-time
VIAVI, Ottawa Canada, Fiber Optic Lab & Production Test (FOPLT) Business Unit, has a need for a Senior Test Engineer with the experience and drive to make a difference. This position will…
Added 2 months ago
Senior DevOps Engineer, for AI-based Systems
Oncoustics
Toronto, Ontario
Full-time
…ultrasound and pharmaceutical players. We are looking to hire a Senior DevOps Engineer to join our team and improve our ML development pipeline and processes. A successful candidate may…

Fulfillment IQ

Senior Engineer, Applied AI

Remote, Canada

Pay: Job Title: Senior Engineer, Applied AI Location: Toronto, ON (Onsite/Hybrid) Job Type: Full-Time Hiring Timeline: Immediate Reporting Line: Head of R&D Existing Vacancy: Yes Salary Range: 135K – 170K CAD per year (negotiable)
Job type: Full-time
Workplace: Remote
Posting language: English
Posted: Sep 15, 2026

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Original job description

General Information:

Job Title: Senior Engineer, Applied AI Location: Toronto, ON (Onsite/Hybrid) Job Type: Full-Time Hiring Timeline: Immediate Reporting Line: Head of R&D Existing Vacancy: Yes Salary Range: 135K – 170K CAD per year (negotiable)

About Fulfillment IQ (FIQ):

Fulfillment IQ is a supply chain engineering and transformation company that helps brands, retailers, and 3PLs design, build, and scale high-performance logistics operations.

We work at the intersection of strategy, operations, and technology where we solve complex, real-world problems across warehouse design, automation, order management, transportation, and end-to-end supply chain execution.

Our teams combine deep domain expertise with strong technical capability, delivering outcomes through consulting, systems implementation, and proprietary platforms that accelerate time-to-value and reduce delivery risk.

If you enjoy working in complex environments, partnering closely with clients, and seeing your work make a tangible impact on how global commerce moves, this is the place where your skills and judgment truly come to life.

Role Overview:

This is a high-impact, senior engineering role, where engineers are expected to operate with significant ownership and minimal oversight. The role focuses on building production-ready AI systems in an environment where speed, correctness, and architectural decisions have long-term implications.

Ideal Candidate’s Profile:

A seasoned AI engineer (ninja-level) with hands-on experience in developing and deploying real LLM systems, who excels in environments with significant ownership responsibilities and values impactful work more than structured, low-risk settings.

Individuals driven by ownership, autonomy, and the opportunity to build from the ground up (rather than being a small cog in a large organization) will thrive here.

Responsibilities & Expectations:

Key Responsibilities:

Design and build production-grade LLM systems (RAG, agents, APIs)
Architect systems that minimize rework in fast-evolving environments
Own end-to-end delivery of critical AI features
Define and implement evaluation frameworks
Optimize systems for cost, latency, and reliability
Collaborate across teams where needed
Provide technical guidance where applicable (especially for less experienced engineers on adjacent teams)

Must-Haves (non-negotiables):

Strong backend/software engineering foundation (Python, APIs, system design)
Proven experience shipping LLM-powered features to production (non-negotiable)
Deep expertise in:

RAG systems (advanced retrieval + evaluation)
LLM evaluation methodologies (golden sets, regression testing)
Prompt engineering at API level
Agent architectures (ReAct, tool calling, planning loops)

Strong understanding of trade-offs (cost, latency, scalability)
Ability to work independently in ambiguous, fast-moving environments

Nice-to-Have:

Fine-tuning experience (LoRA, SFT, DPO)
Inference stack experience (vLLM, TGI, llama.cpp)
Observability tooling (Langfuse, LangSmith)
Prior experience in early-stage or high-ownership teams

Public work (GitHub, blogs, talks) demonstrating depth

Education:

Bachelor's or master's degree in computer science or a related discipline

Technical Skills:

Advanced Python and backend engineering
LLM systems (RAG, agents, prompting, evaluation)
API design and system architecture
Docker, Git, CI/CD
Understanding of inference systems and scaling

Soft Skills:

High ownership and accountability
Ability to operate in ambiguity (“build while flying”)
Strong decision-making and trade-off analysis
Clear communication with cross-functional teams

What Success Looks Like in the First 90 Days:

By the end of Month 1:

Deeply understand Crosstalk/Zync architecture and ongoing projects
Contribute meaningfully to ongoing systems (not just onboarding tasks)
Identify gaps or risks in current implementations

By the end of Month 2:

Own and deliver a critical feature or system component end-to-end
Improve an existing system (performance, evals, or architecture)
Demonstrate strong independent execution

By the end of Month 3:

Act as a trusted senior engineer on the team
Drive architectural decisions or improvements
Deliver measurable impact (system reliability, quality, or efficiency)
Operate with minimal oversight in high-stakes projects

Why You’ll Love Working Here:

At Fulfillment IQ, we don’t just build supply chain solutions. We build careers, friendships, and unforgettable experiences.

We believe in giving our senior technical leaders real ownership, real influence, and the opportunity to shape platforms that power real-world logistics operations.

As an equal opportunity employer, we celebrate diversity and are committed to creating an inclusive environment for all team members.

Here’s what makes working with us a rewarding experience:

Work That Matters Build systems that directly impact global commerce and supply chain performance.

Career Growth That Matters We invest in mentorship, leadership development, learning budgets, and long-term career growth.

Flexibility to Thrive We support remote and hybrid work models by offering multiple office locations to help you perform at your best.

We Celebrate You From team wins to work anniversaries, we recognize impact, celebrate milestones and reward performance.

A Collaborative Culture Work alongside talented engineers, product leaders, and award-winning domain experts who value ownership, transparency, and high standards.

Perks you’ll appreciate:

Employee Health: Comprehensive health and dental coverage for you and your family
Time Off: Competitive paid time off and flexible leave policies
Retirement: Retirement savings programs and employer contributions
Professional Growth: Dedicated learning and development budget
Flexible Work: Remote and hybrid work options
Perks: Equipment allowances, internet reimbursements, business travel coverage, and employee stock options (ESOP), where applicable.
Community Engagement: Team events, meetups, and company offsites

Use of Artificial Intelligence in Hiring:

FIQ uses artificial intelligence to assist in the screening, assessment, and shortlisting of applications for this position, including features within our applicant tracking system. AI supports human reviewers and does not make hiring decisions on its own. Final hiring decisions are made by FIQ personnel. If you have questions about how AI is used in this process, contact [email protected].

Accommodations:

FIQ is committed to an inclusive and accessible recruitment process. Consistent with the Accessibility for Ontarians with Disabilities Act (AODA) and the Ontario Human Rights Code, accommodations are available on request at any stage of recruitment and assessment. Contact [email protected] and we will work with you to meet your needs.

Candidate Privacy:

Your personal information is collected and used for recruitment purposes in accordance with FIQ's Candidate Privacy Notice, available here, and in accordance with applicable Canadian privacy law (PIPEDA). This includes the use of AI-assisted screening described above and cross-border storage or processing that may occur in the United States. By applying, you acknowledge this notice. Questions: [email protected].

Equal Opportunity:

Fulfillment IQ is a people-first company built on trust, collaboration, and ownership. We are proud to be an equal opportunity employer and are committed to building a diverse, inclusive, and high-performing workplace. We consider all qualified applicants without regard to any ground protected under the Ontario Human Rights Code, including race, ancestry, place of origin, colour, ethnic origin, citizenship, creed, sex, sexual orientation, gender identity, gender expression, age, marital status, family status, or disability.

Learn More About Us:

Website: fulfillmentiq.com

LinkedIn: Fulfillment IQ

Spotify: eCom Logistics Podcast Spotify

YouTube: eCom Logistics Podcast YouTube

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More about this job

Responsibilities

Design and build production-grade LLM systems including RAG, agents, and APIs while owning the end-to-end delivery of critical AI features. Collaborate across teams to define evaluation frameworks and provide technical guidance to ensure system reliability and performance.

Requirements

Requires a strong backend engineering foundation with proven experience shipping LLM-powered features to production. Candidates must possess deep expertise in RAG systems, agent architectures, and prompt engineering, along with the ability to work independently in ambiguous environments.

Skills

Python
LLM systems
RAG
Prompt engineering
Agent architectures
API design
System architecture
Docker
Git
CI/CD
Inference systems
Evaluation methodologies
Backend engineering
Scalability
Technical leadership

Benefits

Health insurance
Dental coverage
Retirement savings programs
Employer contributions
Learning and development budget
Equipment allowances
Internet reimbursements
Business travel coverage
Employee stock options

Visa sponsorship

Not detected in the job text

Keywords

Applied AI
LLM
RAG
Python
API
System Design
ReAct
Tool calling
Fine-tuning
LoRA
SFT
DPO
vLLM
TGI
Llama.cpp
Langfuse
LangSmith
Docker
Git
CI/CD
Supply Chain
Logistics
Automation
Order Management
Production-ready
Latency
Scalability
Evaluation frameworks
Cross-functional collaboration
Ownership

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