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Added 2 months ago
Customer Marketing Manager
Ivalua
Montreal, QC
We achieve this through our leading cloud-based spend management platform that empowers hundreds of the world's most admired brands to effectively manage all categories of spend and all…
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P
Instructional Designer
Pigment
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- Full-time
…customers master our business planning and performance management software. You will work closely with subject matter experts to design and deliver engaging, effective learning experiences,…
Added 2 months ago
R
Account Manager
REW.ca
Vancouver, BC
- Full-time
REW.ca is Western Canada’s leading real estate platform with millions of Canadians navigating their home search journeys each month with proven results. By combining innovative technology,…
Added 2 months ago
Head of Product Design
BuildOps
Toronto, ON
At BuildOps, we’re building a groundbreaking software solution designed to empower today’s commercial contractors. BuildOps is the leading all-in-one platform for commercial specialty…
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C
Engineering Manager, FDE Agentic Platform
Cohere
Remote, Canada
- Full-time
- Remote
We're looking for an Engineering Manager to lead our Deployment Engineering team in North America. This isn't a typical management role - we need someone who thrives in a fast-paced,…
Added 2 months ago
Principal Software Engineer, Money Movement (Questbank)
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Added 2 months ago
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API Architect
Moneris
Toronto, ON
- Full-time
The API Architect is responsible for the technical design and overall architecture of the Moneris API platform. In concert with site reliability engineering, owns the technical…
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Construction Innovation Systems Analyst
Bird Construction
Mississauga, ON
- Full-time
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AI Engineering Lead (Permanent)
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Toronto, ON · Downtown Toronto (Toronto Dominion Centre / Design Exchange), Ontario
- Full-time
Define and execute the long-term technical strategy for AI-driven business solutions. Lead the architecture and development of scalable, real-time AI systems that address key challenges and…
Added 3 months ago
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Senior Security Engineer, Enterprise Security
Braze
Toronto, ON
- Full-time
Added 3 months ago
C
Head of R&D, AI Integrations
Clario
Canada
- Full-time
Lead global, multidisciplinary software development and engineering test teams to deliver high‑quality, well‑architected solutions that incorporate AI/ML frameworks
Added 3 months ago
CN
Infrastructure Analyst
Canadian Nuclear Laboratories
Chalk River, ON
- Full-time
Familiarity with cloud-based Infrastructure-as-a-Service (IaaS), Platform-as-a-Service (PaaS), and Software-as-a-Service (SaaS), including Microsoft M365, Amazon, and Oracle.
Added 3 months ago
FW
Director, Dynamics CRM & Member Engagement
First West Credit Union
Langley (District), BC · Langley, BC
- $120,000 to $153,800 CAD / year
- Full-time
…ongoing evolution of Tru Cooperative Bank’s member engagement platform, consisting of Microsoft Dynamics 365 CRM, Dynamics 365 Contact Center (enterprise assisted-service channel), and…
Added 3 months ago
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Dynamics 365 Customer Engagement (CE) Senior Consultant
BDO Canada
Oakville, ON
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Added 3 months ago
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Dynamics 365 Customer Engagement (CE) Senior Consultant
BDO Canada
Toronto, ON
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Added 2 months ago
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Sr. Cloud Platform Engineer
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Toronto, ON · CA ON Toronto
- $103,000 to $153,000 CAD / year
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learning and development initiatives, including workshops, Speaker Series events and access to LinkedIn Learning, that support employees’ career growth
Added 2 months ago
H(
Sr. Cloud Platform Engineer (Network and Cloud Operations)
HOOPP (Healthcare of Ontario Pension Plan)
Toronto, ON · CA ON Toronto
- $103,000 to $153,000 CAD / year
- Full-time
learning and development initiatives, including workshops, Speaker Series events and access to LinkedIn Learning, that support employees’ career growth
Added 2 months ago
U
Senior Technical lead - Network Programming - Rainbow Six Siege
Ubisoft
Montreal, QC
- Full-time
As a Technical Lead – Network Programming, you will serve as the technical authority for multiplayer systems, network architecture, game replication, dedicated server technology, and online…
Added 2 months ago
Senior Product Manager- ICM Operations
Forma.ai
Toronto, ON
Forma is hiring a Product Manager to lead key initiatives across our ICM Operations platform, spanning Core Services and Business Intelligence (BI). This includes workflows, automation,…
Added 2 months ago
FF
Web Developer
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Toronto, ON
- Full-time
…closely with the rest of the Information Technology team (Tech lead, PM, QA, UX and Architect) and internal clients to deliver the final solution. With Sitecore as the core platform for all…
Added 2 months ago
BG
Senior Marketing, PR and Communications Specialist (onsite/remote)
BeamNG GmbH
Remote, Canada
- Full-time
- Remote
BeamNG is an independent game & software development studio, established in 2013 in Bremen, Germany. We are an international, remote-first team of almost 90 people. Our development focuses…
Added 2 months ago
M
Manager, Ecommerce Product Analytics
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- Full-time
This role sits within the Product Analytics organization and will be the dedicated analytics lead for McAfee's e-commerce business.
Added 2 months ago
IT - Senior Software Developer
Jam
Montreal, QC
Ensure platform capabilities are leveraged effectively before custom development is considered.
Added 2 months ago
B
VP of Systems Engineering - Canada
Bankjoy
Remote, Canada
- Full-time
- Remote
This is a hands-on leadership role at a critical inflection point in Bankjoy's growth. You will directly lead Release Management, a QA organization including a QA Lead and automation…
Added 2 months ago
Product Manager
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Brampton, ON
…connecting data, customer journeys, business outcomes, and platform capabilities into practical…

Ubisoft

Senior Technical lead - Network Programming - Rainbow Six Siege

Montreal, QC, Canada

Full-time

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Job details

Job type: Full-time
Posting language: English
Posted: Aug 11, 2026

Original job description

Company Description

Ubisoft is a global leader in gaming with teams across the world creating original and memorable gaming experiences, from Assassin’s Creed, Rainbow Six to Just Dance and more. We believe diverse perspectives help both players and teams thrive. If you’re passionate about innovation and pushing entertainment boundaries, join our journey and help create the unknown!

Job Description

As a Technical Lead – Network Programming, you will serve as the technical authority for multiplayer systems, network architecture, game replication, dedicated server technology, and online services. You will define the long-term technical strategy for networking systems while leading a team of programmers responsible for delivering performant, scalable, and secure multiplayer experiences.

You will drive architectural decisions affecting millions of players, balancing gameplay requirements, server performance, scalability, reliability, security, and operational costs. You will collaborate closely with Gameplay, Engine, Online Services, Security, Data, Production, and Live Operations teams to ensure the online experience meets the highest standards of quality and competitiveness; aligning closely with Ubisoft's expectations that Technical Leads define technical vision, provide technical oversight, mentor teams, and act as trusted experts across the organization.

What you'll do

### Technical Vision & Architecture

Define and own the networking architecture roadmap for current and future projects.
Establish long-term strategies for:
Game state replication
Server authority models
Client prediction and reconciliation
Lag compensation
Matchmaking integrations
Online infrastructure
Distributed game services
Make critical technical decisions regarding server architectures, networking frameworks, and backend integrations.
Evaluate technical trade-offs among latency, bandwidth, scalability, security, and development velocity.
Ensure networking systems remain scalable throughout the entire lifecycle of our live game.

### Multiplayer Systems Ownership

Own the architecture and evolution of:
Dedicated game servers
Replication systems
Session management
Matchmaking integrations
Backend service integrations
Cross-platform multiplayer functionality
Establish performance budgets and networking best practices.
Drive improvements to server stability, uptime, and operational efficiency.
Lead investigations into systemic online gameplay issues affecting player experience.
Ensure networking systems support future gameplay ambitions without major redesigns.

### Performance & Scalability

Define performance targets for:
Server tick rates
Bandwidth consumption
CPU utilization
Memory usage
Replication costs
Service response times
Analyze large-scale telemetry and production metrics.
Lead optimization initiatives for high-scale multiplayer environments.
Develop strategies to support player population growth and evolving infrastructure requirements.
Collaborate with Live Operations and Online Services groups to maintain service health.

### Reliability & Security

Establish standards for service resiliency and fault tolerance.
Drive initiatives to minimize service disruption and downtime.
Partner with security teams to address:
Exploits
Packet manipulation
Authority bypass attempts
Cheating vectors
Service abuse
Define secure networking practices across the project.
Participate in incident response and root cause analysis for large-scale production issues.

### Leadership & Mentorship

Lead and mentor network and online systems programmers.
Help engineers grow into senior and specialist roles.
Review architecture, designs, and code for technical excellence.
Foster a culture of ownership, accountability, and continuous learning.
Establish best practices and technical standards for multiplayer development.
Act as the primary escalation point for complex networking issues.

### Cross-Disciplinary Collaboration

Work closely with:
Gameplay Programming
Engine Programming
Quality Engineering
SRE / Operations
Backend Services
Data Engineering
Security
Production
Translate technical constraints into actionable recommendations for non-technical stakeholders.
Align multiplayer architecture with business, production, and player experience goals.
Coordinate networking initiatives across multiple teams and studios when required.

Qualifications

What you bring to the team

### Required

10+ years of professional software engineering experience.
7+ years of experience developing multiplayer systems.
Proven experience leading technical initiatives for large-scale online games.
Deep expertise in:
Client/server architecture
Real-time networking
Replication models
Distributed systems
Concurrency and multithreading
Performance optimization
Very strong C++ expertise.
Experience with dedicated server development and operation.
Experience supporting live-service products in production.
Demonstrated ability to influence technical direction across multiple teams.

### Preferred

Experience shipping competitive multiplayer titles.
Experience with large-scale live-service architectures.
Experience building backend services and cloud-native systems.
Knowledge of AWS/Azure/Gamelift/Playfab, and service orchestration.
Experience with telemetry, observability, and production monitoring.
Experience working across multiple studios and global development organizations.

Contract: Permanent

Work flexibility: Office-based

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More about this job

Responsibilities

The Technical Lead will define the long-term networking architecture strategy and lead a team of programmers to deliver performant, scalable, and secure multiplayer experiences. They will oversee critical systems such as game state replication, server authority models, and matchmaking while ensuring high standards of quality and stability.

Requirements

Candidates must have over 10 years of software engineering experience with at least 7 years focused on multiplayer systems and deep expertise in C++. A proven track record of leading technical initiatives for large-scale online games and supporting live-service products is essential.

Skills

C++
Network Programming
Multiplayer Systems
Client/Server Architecture
Game State Replication
Performance Optimization
Distributed Systems
Concurrency
Multithreading
Dedicated Server Development
Matchmaking
Lag Compensation
Backend Services
Cloud-native Systems
Technical Leadership
System Architecture

Visa sponsorship

Not detected in the job text

Keywords

C++
Network Programming
Multiplayer
Rainbow Six Siege
Ubisoft
Game Architecture
Replication
Dedicated Servers
Matchmaking
Latency
Scalability
Security
Live Operations
AWS
Azure
Gamelift
Playfab
Telemetry
Observability
Backend Services
Cloud-native
Multithreading
Concurrency
Software Engineering
Technical Strategy
Mentorship
Performance Optimization
Game Development
SRE
Data Engineering

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