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Added 12 mins ago
Data Engineer
Buyerlink
Victoria, BC
Full-time
We’re looking for a modern Data Engineer who thrives at the intersection of data, cloud, and AI. You build the systems that power insight - scalable pipelines, cloud-native data platforms,…
Added 26 mins ago
Regional Sourcing Manager (Electronics Lane)
Husky Technologies
Bolton, ON
Full-time
Husky TechnologiesTM a company with a strong foundation built on innovation, close customer relationships, a strong sense of community and a unique culture and values. We are looking for…
Added 26 mins ago
Manufacturing Engineer (Contract)
Husky Technologies
Bolton, ON
Full-time
Husky TechnologiesTM a company with a strong foundation built on innovation, close customer relationships, a strong sense of community and a unique culture and values. We are looking for…
Added 27 mins ago
Director, Data Engineering, International Banking, Toronto, Mexico, Colombia, Peru
Scotiabank
Toronto, ON
10+ years of experience in data engineering, platform engineering, DevOps, SRE, or DataOps, including at least 5 years in a leadership role managing distributed technical teams.
Added 40 mins ago
Senior Platform Engineer – RPA & Automation : Toronto, ON : Hybrid : Full time
AceStack
Toronto, ON
Full-time
Role: Senior Platform Engineer – RPA & Automation
Added 40 mins ago
Principal Process Automation Engineer
Worley
Pickering, ON
Full-time
Practical consulting experience - including scoping, selling, and delivery.
Added 40 mins ago
Data Engineer
Buyerlink
Victoria, BC
Full-time
We’re looking for a modern Data Engineer who thrives at the intersection of data, cloud, and AI. You build the systems that power insight - scalable pipelines, cloud-native data platforms,…
Added 40 mins ago
Aircraft Maintenance Engineer (Structures)-EN
CAE
Moose Jaw, SK
Full-time
…experiences that support mission readiness. The Aircraft Maintenance Engineer (AME) - Structures is responsible for performing aircraft servicing and maintenance…
Added 40 mins ago
Product Development Engineer|
Husky Technologies
Bolton, ON
Full-time
Husky TechnologiesTM a company with a strong foundation built on innovation, close customer relationships, a strong sense of community and a unique culture and values. We are looking for…
Added 40 mins ago
Maintenance Manager
Canadian Linen / Quebec Linge
Regina, SK
Full-time
The Chief Engineer is responsible for the safe and efficient operation, maintenance, service and repair of all equipment and process systems in the plant. The incumbent will be involved in…
Added 40 mins ago
METS Principal Information Security Engineer - ITS5
Minnesota Direct Care and Treatment
Saint-Paul, NB · St.-Paul, NB
Full-time
Working Title: METS Principal Information Security Engineer
Added 40 mins ago
Production Support - Elite Quant Fund- Up to $180,000 CAD + Bonus
Hunter Bond
Montreal, QC
Full-time
My client is hiring a Production Support Engineer to support mission-critical front office trading systems in a fast-paced, high-performance environment where uptime, speed, and reliability…
Added 40 mins ago
Data Engineer
Experis
ON · Ontario, Canada
$40 to $51 CAD / hour
Contract
We are seeking a Data Engineer to join a collaborative Agile team focused on building scalable data solutions that power analytics and AI-driven initiatives. This is an exciting opportunity…
Added 40 mins ago
Designer, Development (Service)
Husky Technologies
Bolton, ON
Full-time
Husky TechnologiesTM a company with a strong foundation built on innovation, close customer relationships, a strong sense of community and a unique culture and values. We are looking for…
Added 40 mins ago
Applications Engineer
Husky Technologies
Bolton, ON
Full-time
Husky TechnologiesTM a company with a strong foundation built on innovation, close customer relationships, a strong sense of community and a unique culture and values. We are looking for…
Added 40 mins ago
ERP Business Analyst
Husky Technologies
Bolton, ON
Full-time
Husky TechnologiesTM has a strong foundation built on innovation, close customer relationships and a unique culture and values. We are dedicated to offering our customers the highest…
Added 42 mins ago
Mechanical Engineer - Students Seeking Opportunities - May 2027
ExxonMobil
Sarnia, ON
…equipment reliability and maintenance efficiency. Your will gain experience supporting either the Machinery or Fixed Equipment Engineering Groups within Sarnia…
Added 42 mins ago
Process Control Applications Engineer - Students Seeking Opportunities - May 2027
ExxonMobil
Sarnia, ON
Previous industry experience is beneficial but not essential.
Added 42 mins ago
Student Engineer, Production
Apotex
Toronto, ON · North York, ON
$18 to $24.5 CAD / hour
The Student Engineer, Production, assists with improvements to production safety, quality, capacity, reliability, cost, customer service and regulatory compliance in the Production…
Added 42 mins ago
Quality Engineer
Robinhood
Toronto, ON
As a Quality Engineer, you will support high-impact product launches by designing test strategies, executing manual and automated testing, and partnering with our contractor team on…
Added 54 mins ago
Senior Software Engineer
JohnIsah
Canada
Full-time
As a Senior Software Engineer on the Ecosystem Services Team, you’ll build and own back-end systems and the integrations that keep our services running, help maintain and evolve the cloud…
Added 54 mins ago
[New Grad] Applied AI Engineer
Ranger AI
Canada
Full-time
Previous experience in a customer-facing technical role.
Added 56 mins ago
Advanced Software Engineer
Honeywell Aerospace
Ottawa, ON · Kanata, ON
Full-time
…operations teams to deliver high-performance solutions that meet customer and mission…
Added 1 hour ago
Mold Maker
Vuteq Canada Inc.
Woodstock, ON
Up to $42.05 CAD / hour
§ Support process engineer and technicians in trouble shooting
Added 1 hour ago
Forward Deployed AI Engineer
General Magic
Toronto, ON
Full-time
Insurance-specific AI built for brokerages. A full team of AI agents handles customer service, underwriting, and quoting within a single connected system. We're building the infrastructure…

Closed listing

Flatgigs

Principal Systems Engineer- Enterprise AI (Design & Implementation)

Montreal, QC, Canada

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

This opening has closed.

The original listing is kept below for reference.

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Added 29 days ago
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Original job description

Archived listing. The details below describe a past opening.

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

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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