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Added 6 months ago
M
Flight Software Systems Engineer
MDA
Richmond, British Columbia
- Full-time
As a Systems Engineer – Flight Software, you will have a wide range of responsibilities that may include:
Added 2 months ago
Principal Software Developer - Full Stack (Unity, C#)
Zynga
Toronto, ON
Zynga is looking for a Principal Software Engineer level in the Austin, Eugene, Toronto, San Mateo, Carlsbad, or Chicago areas.
Added 2 months ago
Senior Data/AI Engineer
Guidepoint
Toronto, ON
…products. You will develop and scale Generative AI-powered systems, including large language model (LLM) applications and research agents, while ensuring the integration of responsible AI…
Added 2 months ago
GD
Life Cycle Material Engineering Specialist
General Dynamics Missions System International
Ottawa, ON
- Full-time
Strong understanding of product design, system integration, manufacturing processes, and test/diagnostic methods for complex electronic systems.
Added 3 months ago
OF
QA Automation Engineer
OTT Financial Group
Toronto, Ontario
- Full-time
We are looking for a QA Automation Engineer to join our engineering team and help ensure the quality, reliability, and stability of our software products. The role includes both manual and…
Added 3 months ago
ST
Systems Engineer
Searidge Technologies
Nepean, Ontario
- Full-time
Added 1 month ago
C
Specialist Functional Analyst SAP HCM
CPKC
Calgary, AB
- Full-time
…success of enterprise-wide programs that support more than just systems, but the people who keep CPKC moving every…
Added 1 month ago
M
Applied AI Engineer
MANNARINO
Montreal, QC
- Full-time
MANNARINO Systems & Software Inc. is a leader in providing safety-critical systems, software, hardware and certification engineering services to the aerospace, defense, space, simulation &…
Added 1 month ago
Senior Developer
Bentley Systems
Quebec, QC
7+ years working in relevant Software Engineering roles, including Senior Software Engineer.
Added 1 month ago
B
Mechanical Design Engineer
BinSentry
Kitchener, ON
- Full-time
…that pair best-in-class optical sensors with user-friendly software to provide our customers with enhanced forecasting and decision-making…
Added 2 months ago
A
Analyste BI senior
AtkinsRéalis
Montreal, QC
- Full-time
…technology to transform the world's infrastructure and energy systems. Together, with our industry partners and clients, and our global team of consultants, designers, engineers and project…
Added 2 months ago
I
Sr. Staff Developer, Architecture
iQmetrix
Winnipeg, MB
- Full-time
We are hiring a Principal Engineer, Architecture. This is a senior individual contributor role for someone who is still happiest with their hands on the keyboard, and who thinks in systems…
Added 2 months ago
I
Sr. Staff Developer, Architecture
iQmetrix
Vancouver, BC
- Full-time
We are hiring a Principal Engineer, Architecture. This is a senior individual contributor role for someone who is still happiest with their hands on the keyboard, and who thinks in systems…
Added 2 months ago
I
Sr. Staff Developer, Architecture
iQmetrix
Toronto, ON
- Full-time
We are hiring a Principal Engineer, Architecture. This is a senior individual contributor role for someone who is still happiest with their hands on the keyboard, and who thinks in systems…
Added 2 months ago
SG
Tech Ops Engineer
Scientific Games
HR Canada
- Full-time
…choice for government lotteries. From cutting-edge backend systems to exciting entertainment experiences and trailblazing retail and digital solutions, we elevate play every day. We push…
Added 1 month ago
AM
AI Systems Engineer – AI Model (Training & Inference)
Advanced Micro Devices, Inc
Markham, ON
- Full-time
The AMD AI Group is looking for a Senior Software Development Engineer to own the end-to-end model execution stack on AMD Instinct GPUs - spanning training infrastructure at scale and…
Added 6 months ago
RA
Staff Embedded Software Engineer, Virtualization
Rivian and Volkswagen Group Technologies
Vancouver, British Columbia
- $137,300 to $181,890 CAD / year
- Full-time
…clear vision for automotive’s next chapter. From operating systems to zonal controllers to cloud and connectivity solutions, we’re addressing the challenges of electric vehicles through…
Added 6 months ago
F
Computer Vision & Behavioral Signal Analysis Intern (Travel + Hospitality Focus)
FairwAI
Remote, Canada
- Remote
…Engineering, B.S. in Physics, M.S. in Electrical Engineering, an Engineer’s Degree, and a Ph.D. in Electrical Engineering. He earned the David Adler Memorial Thesis Prize and the Morris…
Added 3 months ago
L
NetSuite SCM Engineer - Inventory, WMS & Fulfillment
Lime
Remote, Canada
- $102,000 to $143,000 CAD / year
- Full-time
- Remote
We are seeking a strong techno-functional Senior ERP Application Engineer to support the development, customization, and integration of our global Supply Chain Management (SCM) platforms.…
Added 1 month ago
KT
Software Engineer in Test (ETL)
Kaizen Technologies
ON · Ontario, Canada
- Contract
We are looking for a Senior SDET / ETL Test Automation Engineer with strong experience in software development, test automation, ETL/data validation, APIs, databases, and healthcare…
Added 5 months ago
CE
Avionics Integrator Engineer (Hybrid: Montreal, Quebec)
Capgemini Engineering
Montreal, QC
- Full-time
In this role, you will also support the full testing and integration lifecycle - participating in lab evaluations, system‑level assessments, flight‑test preparation, and troubleshooting…
Added 1 month ago
Senior Digital Design Engineer
Astera Labs
Toronto, ON
…semiconductor-based technologies with the company’s COSMOS software suite to unify diverse components into cohesive, flexible systems that deliver end-to-end scale-up, and scale-out…
Added 2 months ago
Q
Lead Substation Protection & Control Engineer
Qualus
Vancouver, BC
- Full-time
…efficiency and specialized field services. Qualus also provides software and technology enabled services and develops breakthrough solutions for critical power industry challenges such as…
Added 2 months ago
Q
Senior Substation Protection & Control Engineer
Qualus
Vancouver, BC
- Full-time
…efficiency and specialized field services. Qualus also provides software and technology enabled services and develops breakthrough solutions for critical power industry challenges such as…
Added 2 months ago
Q
Substation Protection & Control Engineer
Qualus
Vancouver, BC
- Full-time
You will lead the design and delivery of protection, control, and metering systems for substations ranging from 12 kV to 500 kV, supporting projects from early concept through construction…

Zynga

Principal Software Developer - Full Stack (Unity, C#)

Toronto, ON, Canada

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Job details

Posting language: English
Posted: Sep 8, 2026

Original job description

Level Up Your Career with Zynga!

At Zynga, we bring people together through the power of play. As a global leader in interactive entertainment and a proud label of Take-Two Interactive, our games have been downloaded over 6 billion times - connecting players in 175+ countries through fun, strategy, and a little friendly competition.

From thrilling casino spins to epic strategy battles, mind-bending puzzles, and social word challenges, our diverse game portfolio has something for everyone. Fan-favorites and latest hits include FarmVille™, Words With Friends™, Zynga Poker™, Game of Thrones Slots Casino™, Wizard of Oz Slots™, Hit it Rich! Slots™, Wonka Slots™, Top Eleven™, Toon Blast™, Empires & Puzzles™, Merge Dragons!™, CSR Racing™, Harry Potter: Puzzles & Spells™, Match Factory™, and Color Block Jam™ - plus many more!

Founded in 2007 and headquartered in California, our teams span North America, Europe, and Asia, working together to craft unforgettable gaming experiences. Whether you're spinning, strategizing, matching, or competing, Zynga is where fun meets innovation - and where you can take your career to the next level.

Join us and be part of the play!

Position Overview:

Zynga is looking for a Principal Software Engineer level in the Austin, Eugene, Toronto, San Mateo, Carlsbad, or Chicago areas.

This position will be to develop and maintain the core client technology, engine-level systems, and infrastructure for a game with a cozy vibe targeting a casual audience. You should have a passion for engineering excellence and be comfortable diagnosing and solving deep, systemic technical problems, such as improving load times, frame rate, memory footprint, and other cross-cutting performance concerns. You’ll need to operate with rigorous engineering discipline while working largely independently to plan and execute complex, multi-week technical initiatives.

We have a well-rounded, highly motivated, distributed team with a mission-driven culture working on a new game. We need a self-driven engineer who confronts challenges with optimism, communicates clearly and easily, and takes a great deal of pride in their work. You’ll have an opportunity to own core engine and infrastructure work, including upgrading and maintaining third-party libraries and dependencies, evolving build and tooling pipelines, and making foundational changes to the client architecture that unlock future feature roadmaps for the rest of the engineering team.

What You'll Do:

Define, architect, and develop core systems and client infrastructure in Unity and C#
Diagnose and resolve complex, game-wide technical issues such as slow load times, low frame rates, memory pressure, and build/runtime stability
Own the evaluation, upgrade, and maintenance of third-party libraries, SDKs, and engine dependencies
Design and implement foundational architecture changes that enable future feature roadmaps for feature-focused engineers to build upon
Produce technical design documentation and implementation plans for infrastructure and systemic initiatives
Scope and cost work accurately from loosely defined requirements, presenting estimates with clear assumptions and identified risks
Adapt plans and technical approaches when requirements or platform constraints change
Review code, technical design documentation, and implementation plans for other team members
Proactively profile, optimize, and refactor code to meet team performance and stability KPI goals
Explore, develop, and integrate new technologies and tools that benefit the broader engineering team
Work closely with other engineers to lead multi-week or month-long infrastructure and tooling efforts
Give team and divisional tech talks on architectures that you’ve built
Work to improve and evolve team process and engineering standards
Help to mentor other engineers

What You Bring:

B.Sc. in Computer Science, Engineering, or equivalent education / work experience
6+ Years game industry / mobile app experience as a software developer
Shipped titles and/or live games experience, especially mobile (iOS / Android)
Expert knowledge in C#
3+ Years Unity experience, including engine-level and low-level systems work
A solid understanding of client/server architecture in modern mobile games
Understanding, interest and knowledge of server-side architecture in mobile games
Solid foundation in data structures, algorithms and software methodologies
Demonstrated experience diagnosing and resolving performance issues such as load times, frame rate, and memory usage
Experience upgrading, integrating, or maintaining third-party libraries, SDKs, or engine versions
Experience with the AWS ecosystem, Kubernetes, and back end monitoring technologies such as Datadog
Excellent communication skills and comfort working in a collaborative environment
Excellent ability to foresee and proactively resolve blockers, technical risk, and points of failure
Excellent ability to function in an asynchronous distributed work environment while still tuning in to key team meetings
Experience with git
Experience with performance profiling and optimization tools

Bonus Points:

Experience with Unity engine source modification or custom engine forks
Experience with build pipeline, CI/CD, or dev tooling for game teams
Experience playing and working on games that target a casual audience
Experience using Claude Code or a similar AI coding tool

What We Offer You:

Zynga offers a world-class benefits package that helps support and balance the needs of our teams. To find out more about our benefits, visit the Zynga Benefits site

The pay range for this position in Toronto at the start of employment is expected to be between $114,300 and $164,300 per Year. However, base pay offered is based on market location, and may vary further depending on individualized factors for job candidates, such as job-related knowledge, skills, experience, and other objective business considerations.

The pay range for this position in California at the start of employment is expected to be between $133,900 and $180,000 per Year. However, base pay offered is based on market location, and may vary further depending on individualized factors for job candidates, such as job-related knowledge, skills, experience, and other objective business considerations.

The pay range for this position in Illinois at the start of employment is expected to be between $120,600 and $170,000 per Year. However, base pay offered is based on market location, and may vary further depending on individualized factors for job candidates, such as job-related knowledge, skills, experience, and other objective business considerations.

Subject to those same considerations, the total compensation package for this position may also include other elements, including a bonus and/or equity awards and eligibility to participate in our 401(K) plan and Employee Stock Purchase Program.

Regular, full-time employees are also eligible for a range of benefits at the Company, including: medical, dental, vision, and basic life insurance coverage; 14 paid holidays per calendar year; paid vacation time per calendar year (ranging from 15 to 25 days) or eligibility to participate in the Company’s discretionary time off program; up to 10 paid sick days per calendar year; paid parental and compassionate leave; wellbeing programs for mental health and other wellness support; family planning support through Maven; commuter benefits; and reimbursements for fitness-related expenses. The use of Artificial Intelligence is not being used to screen candidates. The position is for an existing vacancy.

We are proud to be an equal opportunity employer, which means we are committed to creating and celebrating diverse thoughts, cultures, and backgrounds throughout our organization. Employment with us is based on substantive ability, objective qualifications, and work ethic – not an individual’s race, creed, color, religion, sex or gender, gender identity or expression, sexual orientation, national origin or ancestry, alienage or citizenship status, physical or mental disability, pregnancy, age, genetic information, veteran status, marital status, status as a victim of domestic violence or sex offenses, reproductive health decision, or any other characteristics protected by applicable law.

As an equal opportunity employer, we are committed to providing the necessary support and accommodation to qualified individuals with disabilities, health conditions, or impairments (subject to any local qualifying requirements) to ensure their full participation in the job application or interview process. Please contact us at accommodationrequest@zynga.com to request any accommodations or for support related to your application for an open position.

Please be aware that Zynga does not conduct job interviews or make job offers over third-party messaging apps such as Telegram, WhatsApp, or others. Zynga also does not engage in any financial exchanges during the recruitment or onboarding process, and will never ask a candidate for their personal or financial information over an app or other unofficial chat channel. Any attempt to do so may be the result of a scamp or phishing attack, and you should not engage. Zynga’s in-house recruitment team will only contact individuals through their official Company email addresses (i.e., via a zynga.com, take2games.com, naturalmotion.com, smallgiantgames.com, themavens.com, gram.gs email domain).

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More about this job

Responsibilities

Architect and develop core client systems and infrastructure for a casual mobile game using Unity and C#. Focus on resolving systemic technical issues such as load times, frame rates, and memory usage while mentoring other engineers.

Requirements

Requires a B.Sc. in Computer Science or equivalent with 6+ years of game industry experience and 3+ years of Unity engine-level work. Must have expert knowledge of C# and a proven track record of shipping mobile titles on iOS and Android.

Skills

Unity
C#
Game Engine Architecture
Performance Profiling
Client/Server Architecture
AWS
Kubernetes
Datadog
Git
CI/CD
Data Structures
Algorithms
Mobile App Development
Software Refactoring
Mentoring

Benefits

Medical Insurance
Dental Insurance
Vision Insurance
Basic Life Insurance
Paid Holidays
Paid Vacation
Paid Sick Days
Paid Parental Leave
Compassionate Leave
Wellbeing Programs
Family Planning Support
Commuter Benefits
Fitness Reimbursements
401(K) Plan
Employee Stock Purchase Program
Bonus
Equity Awards

Visa sponsorship

Not detected in the job text

Keywords

Unity
C#
Mobile Gaming
iOS
Android
AWS
Kubernetes
Datadog
Git
CI/CD
Performance Optimization
Client Architecture
SDK Integration
Claude Code
AI Coding Tools
Software Engineering
Game Development
Infrastructure
Profiling
Memory Management
Frame Rate Optimization
Technical Design
Distributed Teams
Casual Games
Engine Forks
Build Pipelines

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