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Added 4 mins ago
Senior Project Manager (Tech/IoT)
Blackstone Energy Services Inc.
Toronto, ON · Greater Toronto Area, Canada
Full-time
Lead top priority large scale projects development and delivery to ensure our most complex client engagements achieve the best possible quality, customer satisfaction, and technical…
Added 4 mins ago
Technical Product Manager - AI
Fortra
Canada
Full-time
…competitive benefits and salaries, personal and professional development opportunities, flexibility, and much…
Added 4 mins ago
Project Manager, Sales Enablement & Executive Customer Engagement
Husky Technologies
Bolton, ON
Full-time
Husky TechnologiesTM offers a wealth of opportunity for personal growth and development. Most importantly, Husky Technologies TM offers an opportunity to work with – and be challenged by –…
Added 4 mins ago
AI Solutions Engineer - Intellectual Property
Patsnap
Toronto, ON
£80 to £95 GBP / year
Full-time
…organizations harness their Intellectual Property and Research and Development productivity. Our platform revolutionizes how IP and R&D teams collaborate across the entire innovation…
Added 4 mins ago
Privacy Officer & Senior Legal Counsel
FortisBC
Surrey, BC · Vancouver, BC · Kelowna, BC
…salary and benefits package, while supporting life-long career development. We also encourage volunteerism and nourish the need to give back to your…
Added 4 mins ago
High Voltage Field Commissioning Lead
Phasor Engineering Inc
Calgary, AB
Full-time
We're looking for an experienced Field Commissioning Lead to join our team.
Added 4 mins ago
High Voltage Field Commissioning Lead
Phasor Engineering Inc
AB · Edmonton, Alberta
Full-time
We're looking for an experienced Field Commissioning Lead to join our team.
Added 4 mins ago
Senior Website Project Manager
Kanopi
Remote, Canada
Full-time · Remote
Kanopi Studios is a Design, Development & Support Agency with a fully distributed team of experts in Drupal & WordPress.
Added 4 mins ago
Senior Construction Broker
WTW
Calgary, AB
$125,000 to $155,000 CAD / year
Full-time
Lead the design, marketing, negotiation, and placement of insurance programs for construction industry clients, including general contractors, specialty trade contractors, developers, and…
Added 4 mins ago
Manager, Finance & Operations
BDO
Toronto, ON · Oakville, ON
Full-time
Lead month-end, quarter-end, and year-end close processes, including variance analysis and reporting deliverables.
Added 19 mins ago
Manager, Infrastructure and Cloud Services
General Dynamics Missions System International
Ottawa, ON
$120,000 to $160,000 CAD / year
Full-time
Lead and develop a high-performing team while managing recruitment, performance, workforce planning, and talent development.
Added 31 mins ago
Full Stack Developer - Senior
Teckhorizon Inc
Canada
Contract
Lead technical discovery and create architecture diagrams, documentation, and other technical artifacts.
Added 31 mins ago
AI Program Manager
Themesoft Inc.
Toronto, ON
Contract
Direct experience with AI-Native SDLC, AI-assisted development tooling, or leading technology transformation programs that embed AI into delivery workflows.
Added 33 mins ago
Gatehouse Associate
Kent Building Supplies
Charlottetown, PE
Part-time
…Limited, you are part of a dynamic team of professionals who lead with integrity and are passionate about delivering results. With a culture that nurtures talent and creates an inclusive…
Added 33 mins ago
High Voltage Field Commissioning Lead
Phasor Engineering Inc
AB · Edmonton, AB
$175,000 to $245,000 CAD / year
Full-time
We're looking for an experienced Field Commissioning Lead to join our team.
Added 33 mins ago
Allstate Sales Agent Trainee
Allstate Canada
Toronto, ON
Full-time
Prospecting & Hunting: Demonstrated ability to build a book of business from the ground up through cold outreach, lead generation, and strategic follow‑up.
Added 33 mins ago
Data Scientist
Allstate Canada
Toronto, ON
Full-time
Lead the end-to-end development, deployment, and monitoring of predictive models supporting Lifetime Value (LTV), Loss Cost, pricing, retention, and profitability initiatives within the…
Added 33 mins ago
Stratège, Produits IA | AI Product Strategist
Cossette
Montreal, QC
Full-time
Créer et prioriser le backlog fonctionnel, rédiger les spécifications (spec-driven development), et participer au backlog refinement avec les équipes de développement.
Added 33 mins ago
High Voltage Field Commissioning Lead
Phasor Engineering Inc
Calgary, AB
$175,000 to $245,000 CAD / year
Full-time
We're looking for an experienced Field Commissioning Lead to join our team.
Added 34 mins ago
Lead developer/Software Architect - Custom Business Application
Velixo
Remote, Canada
Full-time · Remote
As Lead developer/Solutions Architect, you own the design, development, and operation of Velixo's internal and partner-facing software - most notably the Partner Portal and the Billing /…
Added 34 mins ago
Project Manager - Salesforce
fusionSpan
Remote, Canada
Full-time · Remote
As a Project Manager at fusionSpan, you will lead cross-functional teams of Consultants, Software Engineers, and Designers on medium and large-scale IT projects from initiation to launch.…
Added 49 mins ago
Venture Associate
R-LABS Canada LP
Toronto, ON
Full-time
…from early-stage discovery through company formation. You will lead customer and market validation, develop commercial insights, and coordinate cross-functional resources to keep ventures…
Added 49 mins ago
Technology Strategy & Transformation, Senior Associate
PwC
Ottawa, ON
Full-time
Lead technology strategy and transformation programmes, with a focus on infrastructure, AI, data, and digital technologies across a variety of industries.
Added 49 mins ago
Senior Associate -Cyber Security Forward Deployed(Bilingual FR/EN)
PwC
Toronto, ON · Ottawa, ON · Vancouver, BC · Calgary, AB
Full-time
…our clients. You will architect deeply technical solutions, lead cross-functional engineering pods, and convert client ambiguity into shipped capabilities. You will simultaneously drive…
Added 49 mins ago
Compensation and Benefits Specialist
Public Health Ontario
Toronto, ON
Full-time
Lead the annual compensation cycle, including merit increases, validation or approved of wage adjustments, and related implementation activities.

Flatgigs

Principal Systems Engineer- Enterprise AI (Design & Implementation)

Montreal, QC, Canada

Job type: Full-time
Apply by: Jan 31, 2027
Posting language: English
Posted: Aug 4, 2026

Apply About employer

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Original job description

Role Summary

Our client is hiring a highly technical Systems Engineer to join its North American R&D and solutioning hub.

This role is designed for an engineer who can move fluently between systems thinking, high-level architecture and hands-on software engineering. The successful candidate will design and build scalable, enterprise-grade AI systems, reusable software development kits, application frameworks, libraries, reference architectures and solution templates that can be adapted across multiple enterprise use cases.

You will not be responsible for designing isolated features or single-purpose applications. You will engineer complete systems by understanding business requirements, performance expectations, user volumes, integration constraints, tenancy models, security requirements and operational behaviour.

The ideal candidate has a proven track record of designing and delivering complex enterprise solutions while remaining close to the code.

What Will You Build

You will contribute to the design and development of:

Enterprise-grade artificial intelligence platforms and solutions
Multi-tenant software architectures
Reusable SDKs, libraries and engineering frameworks
Application templates and reference implementations
AI-enabled enterprise applications
Modular product components that can be assembled into broader solutions
Integration layers connecting existing platforms, services and applications
Scalable backend services and distributed systems
High-level and detailed system architecture artefacts
Proofs of concept that can be industrialised into production-grade products

KEY RESPONSIBILITIES

SYSTEMS DESIGN & ARCHITECTURE

Own the high-level design of scalable, secure and maintainable enterprise systems
Translate complex business and technical requirements into clearly defined system architectures
Design systems based on expected user volumes, performance requirements, data throughput, concurrency, availability and operational constraints
Define system boundaries, component responsibilities, service interactions, data flows, interfaces and integration patterns
Design architectures capable of supporting a minimum of 1,000 users while maintaining reliability, performance and scalability
Evaluate architectural trade-offs across performance, cost, maintainability, security and speed of delivery
Develop reference architectures and reusable design patterns for enterprise AI solutions
Create architecture documentation, technical specifications, system diagrams and design decision records

ENTERPRISE AI SOLUTION ENGINEERING

Design enterprise AI solutions that combine models, SDKs, applications, APIs, data platforms and existing enterprise systems
Determine how existing technologies and applications can be integrated and orchestrated into a unified solution
Architect systems supporting AI inference, intelligent automation, agentic workflows, retrieval, data processing and enterprise integrations
Design reusable AI solution components rather than one-off implementations
Ensure AI systems are production-ready, observable, secure and capable of operating at enterprise scale
Collaborate with AI, machine learning, product and platform teams to convert experimental capabilities into reliable software products

HANDS-ON SOFTWARE ENGINEERING

Remain directly involved in coding, prototyping and technical implementation
Build backend services, APIs, libraries, SDKs, system components and reusable engineering tools
Produce clean, efficient, tested and maintainable production code
Prototype complex architectural concepts to validate feasibility, performance and integration behaviour
Review code and guide engineering teams on system-level implementation decisions
Diagnose performance bottlenecks, architectural limitations and system-level failures
Work across multiple programming languages and choose technologies based on system requirements rather than personal preference

MULTI-TENANT AND SCALABLE SYSTEMS

Design multi-tenant architectures with appropriate tenant isolation, access control, configuration and resource management
Define strategies for shared and dedicated infrastructure across different enterprise customers
Design systems that can scale horizontally and vertically based on workload patterns
Understand the performance, capacity, limitations and ideal use cases of each system component
Establish approaches for load distribution, caching, asynchronous processing, resilience and fault tolerance
Design for high availability, graceful degradation, recoverability and operational continuity
Anticipate future scale and prevent architectural decisions that create long-term platform limitations

TECHNICAL LEADERSHIP AND COLLABORATION

Work closely with CTOs, architects, product leaders, AI engineers and software development teams
Lead technical discussions and communicate architectural decisions clearly to technical and non-technical stakeholders
Challenge weak assumptions and identify risks before implementation begins
Provide technical direction without becoming disconnected from implementation

Requirements

Strong professional experience in systems engineering, software architecture, platform engineering or backend engineering
Demonstrated expertise in high-level system design and architectural thinking
Proven experience designing and delivering at least five enterprise-grade solutions
Each qualifying solution should have supported, or been designed to support, at least 1,000 users
Strong hands-on software development experience with Python, Go, Rust (language agnostic)
Experience building scalable, distributed or service-oriented systems
Experience designing multi-tenant platforms or enterprise SaaS products
Strong understanding of system performance, capacity planning, concurrency and scalability
Experience integrating multiple existing applications, platforms or services into a unified enterprise solution
Experience designing APIs, SDKs, libraries, frameworks or reusable product components
Experience converting prototypes or proofs of concept into production-grade systems
Strong understanding of reliability, security, observability and maintainability
Ability to produce clear high-level design documentation and architecture diagrams

Benefits

Competitive Salary based on Market Rates
Performance Bonus Scheme (PBS)
Team Stock Option Pool (TSOP)
Plus, other Company Benefits

Apply About employer

More about this job

Responsibilities

Design and build scalable, secure enterprise AI systems, reusable software components, multi-tenant platforms, and reference architectures, translating business and technical requirements into production-ready solutions. Stay hands-on with coding and prototyping while guiding architecture decisions, integrations, system performance, reliability, and collaboration across technical and product teams.

Requirements

Requires substantial experience in systems, software, platform, or backend engineering, including a demonstrated record of designing and delivering at least five enterprise-grade solutions for 1,000 or more users. Candidates should have hands-on experience with Python, Go, or Rust; distributed and multi-tenant systems; APIs and reusable components; productionizing prototypes; and system scalability, security, reliability, and architecture documentation.

Skills

Systems Engineering
Enterprise Architecture
Enterprise AI
Python
Go
Rust
Distributed Systems
Multi-Tenant Architecture
Backend Engineering
API Design
SDK Development
Scalability
Performance Engineering
System Integration
Reliability Engineering
Technical Leadership

Benefits

Performance Bonus
Stock Options
Other Company Benefits

Visa sponsorship

Not detected in the job text

Keywords

Enterprise AI
Systems Engineering
System Architecture
Python
Go
Rust
Distributed Systems
Multi-Tenant Architecture
Enterprise SaaS
Backend Services
APIs
SDKs
Libraries
Engineering Frameworks
Reference Architectures
AI Inference
Intelligent Automation
Agentic Workflows
Retrieval
Data Processing
System Integration
Scalability
Capacity Planning
Concurrency
High Availability
Fault Tolerance
Observability
Security
Performance Engineering
Proofs Of Concept

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