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Added 2 months ago
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[Wattpad] Engineering Manager
WEBTOON Entertainment Inc. (Wattpad & WEBTOON Family of Brands)
Toronto, ON
- Full-time
We are hiring an Engineering Manager for our Platform Engineering team to lead the design, development, and maintenance of the backend platforms that underpin Wattpad's social,…
Added 2 months ago
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Senior Scrum Master
RBC
Toronto, ON
- Full-time
…as part of the epiX program building a new business banking platform and supporting capabilities of the future. The ideal candidate has experience running medium-to-complex agile…
Added 2 months ago
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Account Manager
REW
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
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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…
Added 2 months ago
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Oracle Payroll Lead
Accenture
Vancouver, BC
- Full-time
…the future and bring it to life using design thinking, agile development methodologies, and new smart tech like IoT, automation, and AI. We even built our own platform, myConcerto, that…
Added 2 months ago
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Client Transformation Director
Kraken
Canada
- Full-time
Our Kraken software and operating model enable our energy clients to lead this shift while enhancing their operational effectiveness. The accelerated adoption of Kraken means we need…
Added 2 months ago
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Senior Technical lead - Network Programming - Rainbow Six Siege
Ubisoft Montréal
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
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Senior Product Manager- ICM Operations
Forma.ai
Toronto, ON
- Full-time
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
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IT - Senior Software Developer
JAM Industries
Montreal, QC
- Full-time
Ensure platform capabilities are leveraged effectively before custom development is considered.
Added 2 months ago
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Senior Frontend Engineer (Tech Lead)
Meltwater
Toronto, ON
- Full-time
You will lead the development and evolution of our frontend platform, driving both team execution and the broader technical direction of the UI across the product. This role combines…
Added 2 months ago
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Generalist Software Engineer - NHL
EA SPORTS
Vancouver, BC
- Temporary
We are looking for an experienced software engineer in the Modes area, with a focus on improving scalability across platforms. Our Modes engineers develop and extend features in the game to…
Added 1 month ago
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Member of Technical Staff - ML Operations
Veeda AI
Remote, Canada
- Full-time
- Remote
End-to-End Ownership: Lead projects through the complete software lifecycle, including technical specs, implementation, CI/CD, on-call support, and production observability.
Added 2 months ago
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Director, Broker & Third-Party Security
Intact FC
Toronto, ON · Montreal, QC
- Full-time
Lead the mechanisms to mitigate risk related to third parties, including third party risk assessments and continuous monitoring of third parties.
Added 2 months ago
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Business Development Representative, Mid-Market
Docebo
Remote, Canada
- $76,100 to $101,400 CAD / year
- Full-time
- Remote
…and we mean actually change it. We’re an AI-powered learning platform that helps organizations create, deliver, and manage training all in one place. But our real mission goes deeper: we…
Added 2 months ago
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Technical Lead Salesforce, Dealer Experience
BRP
Montreal, QC
- Full-time
As the Salesforce Tech Lead, you will provide the squad’s technical leadership. Salesforce will be your primary area of expertise, while your role will also cover integrations, data flows…
Added 2 months ago
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Strategic Industry Advisor, Healthcare
SOTI
Mississauga, ON
- Full-time
…of success has built strong partnerships with leading mobile platform providers and device manufacturers. These relationships give us unparalleled insight into new technology and industry…
Added 1 month ago
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Lead Software Developer (C/ C++/ WebAssembly)
Open Text Corporation
Waterloo, ON
- Other
As a Lead Software Developer on the Intelligent Viewing team, you will play a key role in shaping the next generation of OpenText’s cloud-first document visualization and collaboration…
Added 2 months ago
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Manager, Ecommerce Product Analytics
McAfee
Waterloo, ON
- 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
CM
Associate, Advisory
ClearBlue Markets
Toronto, ON
- Full-time
Have a hand in the ongoing development of Vantage Position Optimization, ensuring the software delivers ongoing value to our clients
Added 2 months ago
QE
Commercial Digital Systems & Data Specialist
Quadro Engineering
Waterloo, ON
- Full-time
Design and enforce platform standards across MPT Digital platforms and driving adoption - including EMEA, Americas and emerging markets.
Added 2 months ago
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Vice President, Rodan DER
Rodan Energy Solutions Inc.
Mississauga, ON
- Full-time
…and industrial facilities through proprietary, in-house built software. The DER platform is built on that foundation - with a growing portfolio of battery storage, solar, generation,…
Added 2 months ago
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Oracle Payroll Lead
Accenture
Montreal, QC
- Full-time
…the future and bring it to life using design thinking, agile development methodologies, and new smart tech like IoT, automation, and AI. We even built our own platform, myConcerto, that…
Added 2 months ago
A
Oracle Payroll Lead
Accenture
Calgary, AB
- Full-time
…the future and bring it to life using design thinking, agile development methodologies, and new smart tech like IoT, automation, and AI. We even built our own platform, myConcerto, that…
Added 2 months ago
MN
Salesforce Technical Lead
March Networks
Ottawa, ON
- Full-time
Drive Custom Salesforce Development: Take ownership of our Salesforce platform, leading the design and delivery of custom solutions that address complex business needs. Your expertise will…
Added 3 months ago
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Senior Manager, Software Engineering
Infoblox
Vancouver, BC · Greater Vancouver Metropolitan Area
- Full-time
Six Months: Develop your knowledge of our cloud-based application platform, micro-service architecture, and our development processes. Lead multiple geographically diverse development…

Ubisoft Montréal

Senior Technical lead - Network Programming - Rainbow Six Siege

Montreal, QC, Canada

Full-time

Apply About employer

Applications open in a new tab.

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.

Apply About employer

More about this job

Responsibilities

Serve as the technical authority for multiplayer systems, defining the long-term networking architecture and strategy for Rainbow Six Siege. Lead a team of programmers to deliver scalable, secure, and performant online experiences while collaborating across multidisciplinary teams.

Requirements

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

Skills

C++
Network Programming
Client/Server Architecture
Real-time Networking
Distributed Systems
Concurrency
Multithreading
Performance Optimization
Dedicated Server Development
Game State Replication
Lag Compensation
Matchmaking Integration
Cloud-native Systems
Telemetry
Technical Leadership
Software Engineering

Visa sponsorship

Not detected in the job text

Keywords

C++
Multiplayer
Network Programming
Dedicated Servers
Replication
Client Prediction
Reconciliation
Lag Compensation
Matchmaking
AWS
Azure
Gamelift
Playfab
Telemetry
Observability
Live-Service
Distributed Systems
Concurrency
Multithreading
Scalability
Security
Packet Manipulation
Anti-Cheat
Game Engine
SRE
Online Services
Ubisoft
Rainbow Six Siege
Gaming Industry
Software Architecture

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