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Added 11 days ago
FN
Software Test Engineer II
First National Financial LP
Toronto, ON · East York, ON
- Contract
The IT Software Test Engineer II role will report directly to the Manager and Team Lead, IT Quality Assurance. The IT Software Test Engineer II role is responsible for building robust,…
Added 11 days ago
ZR
Senior coding instructor
Zebra Robotics Brampton East🇨🇦
Brampton, ON
- Part-time
3+ years experience teaching children with some developer experience is preferred
Added 11 days ago
RB
Lead Full Stack Developer
Royal Bank of Canada
Toronto, ON
- Full-time
The RBC Borealis Lumina Platform team is hiring a Lead Full Stack Developer who will bring focus and subject-matter expertise around designing and implementing APIs and UIs for the AWS and…
Added 11 days ago
AI
Java Technical Lead
Astra-North Infoteck Inc. ~ Conquering today’s challenges, achieving tomorrow’s vision!
Toronto, ON
- Full-time
Skills: Digital : Amazon Web Service(AWS) Cloud Computing:Advanced Java Concepts:Digital : Spring Boot Experience Required: 10 & Above Years
Added 11 days ago
CS
Application Security Engineer
Cybage Software
Canada
- Contract
This role will require you to lead security engineering initiatives, perform advanced risk assessments, and design scalable security controls across critical applications. You will serve as…
Added 11 days ago
Z
DevOps Engineer
ZTR
London, ON
- Full-time
Participate in a 24/7 on-call rotation, lead incident response, restore services, and complete post-incident reviews with clear corrective actions
Added 11 days ago
H
Senior Java Developer, Foreign Exchange (FX) Options
HSBC
Toronto, ON
- Full-time
…standards while collaborating with a China-based technical lead and engineering team. Over time the scope expands across the broader FX Options Primary Trading stack including the Trade…
Added 11 days ago
T
Sr. Full Stack Developer, TD Securities
TD
Toronto, ON
- Full-time
Lead the design and development of modern full-stack applications across Capital Markets, with a focus on Angular/Node.js applications and C# services.
Added 11 days ago
T
IT Support Analyst IV, TD Securities
TD
Toronto, ON
- Full-time
Perform effective problem management on recurring incidents. Lead and manage problems throughout the lifecycle.
Added 11 days ago
A
Senior Software Engineer
Autodesk
Toronto, ON · AMER - Canada - Ontario - Toronto - University Ave
- Full-time
Autodesk’s Data Platform is building the next generation of data infrastructure, AI native, scalable, and developer-friendly systems that power analytics, AI, real-time insights, and…
Added 11 days ago
BUSINESS PROG & SOLUTIONS SPECIALIST(Full Stack Software Specialist)
City of Toronto
Toronto, ON
…scalable and maintainable systems leveraging technologies such as Java, Spring Boot, JavaScript/TypeScript frameworks, REST APIs, and modern DevOps…
Added 11 days ago
H
Platform Engineer
Hays
Toronto, ON
- Contract
We are seeking a highly skilled Senior/Lead Platform Engineer with strong expertise in Azure, Databricks, Python, PySpark, and Spark SQL to design, develop, and support scalable cloud-based…
Added 11 days ago
L
Senior Cybersecurity Engineer
lululemon
Vancouver, BC
- Full-time
Demonstrated ability to lead advanced threat modeling for complex systems, anticipating sophisticated adversarial behaviour; experience owning investigation and resolution of complex…
Added 11 days ago
T
IT Support Analyst IV, TD Securities
TD
Toronto, ON
- Full-time
Perform effective problem management on recurring incidents. Lead and manage problems throughout the lifecycle.
Added 11 days ago
Software Development Engineer, Scaling Planner, CloudTune
Amazon
Toronto, ON
- Lead technical design reviews, author design documents, and influence the architectural direction of Scaling Planner.
Added 11 days ago
W
Technical Design Lead, Identity & Access Management (IAM)
Workiy
Ottawa, ON
- Full-time
The Technical Design Lead, Identity & Access Management (IAM), is responsible for designing, developing, implementing, integrating, testing, and managing enterprise Identity and Access…
Added 11 days ago
Software Development Engineer II, Scaling Planner, CloudTune
Amazon
Toronto, ON
- Lead technical design reviews, author design documents, and influence the architectural direction of Scaling Planner.
Added 11 days ago
IW
Automation Manager (Full Time Contract - 12 Months)
IG Wealth Management
ON · Ontario, Canada
- Full-time
Reporting to the Senior Manager, Business Managed Technology Solutions, the Automation Manager will be responsible to lead and execute upon knowledge-based functions for business…
Added 11 days ago
TC
AI Deployment & Solutions Engineer
Tata Consultancy Services
Toronto, ON
- Full-time
The Forward Deployment Engineer (FDE) Technical Lead is a hands-on engineering leader responsible for solving complex problems by combining software engineering, AI/GenAI, data, cloud,…
Added 11 days ago
XI
Senior Software Developer
Xplore Inc
Markham, ON
- Full-time
We are seeking a highly skilled Senior Software Developer to help build modern, future-ready applications as part of our company-wide digital transformation. In this role, you will design…
Added 11 days ago
Senior Associate Crypto Platform Engineer
Scotiabank
Toronto, ON
…capabilities, and work with global technology and business partners to lead foundational and transformational security products strategically across the…
Added 11 days ago
M
Senior Principal Software Engineer, R&D
Mastercard
Toronto, ON
- Full-time
Set technical strategy and lead architecture implementation for Data Platforms in Foundry R&D, creating reusable patterns that can scale across products
Added 11 days ago
AR
Technical Design Lead, Identity & Access Management (IAM)
Aliant Resources
Ottawa, ON
- $107,503 to $134,379 CAD / year
- Contract
Job Title: Technical Design Lead, Identity & Access Management (IAM)
Added 11 days ago
T
Sr. Back-End Java Developer, TD Securities
TD
Toronto, ON
- Full-time
Lead the design, development, and maintenance of robust, scalable backend services and APIs using Java (versions 17, and 21) with Spring Boot, supporting critical platforms such as Atomic…
Added 11 days ago
B
Senior Software Engineer - Java-Oracle
Broadridge
Toronto, ON
- Full-time
Design, develop, support, and monitor Java-based applications and integration solutions that process business transactions and support critical operational workflows. Build and maintain…

Amazon

Software Development Engineer II, Scaling Planner, CloudTune

Toronto, ON, Canada

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Job details

Experience: 3+ years of non-internship professional software development experience
Posting language: English
Posted: Sep 28, 2026

Original job description

Amazon's CloudTune organization is seeking a Software Development Engineer to join the Scaling Planner team and contribute to our suite of products across Reactive and Proactive Scaling. Our systems automate capacity management for thousands of EC2-based Auto Scaling Groups across Amazon's Stores, Devices, and Other (SDO) organization.

Proactive Scaling is the forward-looking engine at the core of Scaling Planner - it ingests business forecasts, applies scaling formulas via the Capacity Calculator, and generates capacity recommendations before demand arrives. This is how Amazon prepares for its highest-stakes moments, including Prime Day, Black Friday, and other High Volume Events. Reactive Scaling is the backstop to unplanned changes in demand - when systems come under stress that scaling can help smooth, we step in and provide automated emergency relief by pulling from a centrally managed capacity pool when real-time metric thresholds are breached.

As an Software Development Engineer II, you will own the design, delivery, and operation of systems across this portfolio with a primary focus on Proactive Scaling. You will partner with scientists, capacity managers, and service owners to ensure Amazon's infrastructure is always right-sized at the right time - powering services behind Amazon.com, Alexa, Prime Video, and digital devices.

Key job responsibilities
- Own the design, implementation, and operation of Proactive Scaling services that generate capacity recommendations using business forecasts, scaling formulas, and the Capacity Calculator.
- Build and improve the automated pipeline that calculates, schedules, and applies capacity overrides for peak events and daily scaling across supported regions (IAD, PDX, DUB, FRA, ZAZ).
- Contribute to Reactive Scaling systems that monitor real-time metrics (CPU, throughput via CloudWatch and PMET) and automatically adjust capacity when thresholds are breached.
- Drive integration between Scaling Planner, the Capacity Calculator (formerly CloudSpin), Fleet Management Console, and CloudTune Capacity Service to deliver seamless, end-to-end capacity automation.
- Define and monitor risk factors, efficiency metrics, and guardrails that trigger iterative improvements with customers to close automation gaps.
- Lead technical design reviews, author design documents, and influence the architectural direction of Scaling Planner.
- Mentor junior engineers through code reviews, design guidance, and operational best practices.
- Maintain high operational standards, including on-call responsibilities, monitoring, alarming, and incident response for services you own.

About the team
Scaling Planner is CloudTune's capacity automation engine for Amazon's SDO organization. We ensure that thousands of EC2-based services have the right capacity at the right time - whether that means proactively scaling up for Prime Day or reactively absorbing an unexpected traffic surge. Our Proactive Scaling capability is what sets us apart: instead of reacting to traffic spikes, we predict them using advanced forecasting and automatically prepare infrastructure weeks in advance. Reactive Scaling complements this by providing an automated safety net when real-world conditions deviate from forecasts. We work closely with CloudTune Science, capacity management, and service owners across Amazon. We value ownership, operational excellence, and building systems that remove manual toil so Amazon's engineers can focus on their customers. Basic Qualifications: - 3+ years of non-internship professional software development experience
- Experience programming with at least one modern language such as Java, C++, or C# including object-oriented design
- Experience building complex software systems that have been successfully delivered to customers Preferred Qualifications: - 3+ years of full software development life cycle, including coding standards, code reviews, source control management, build processes, testing, and operations experience
- Experience designing or architecting (design patterns, reliability and scaling) of new and existing systems
- Bachelor's degree in computer science or equivalent

Amazon is an equal opportunity employer and does not discriminate on the basis of protected veteran status, disability, or other legally protected status.

Our inclusive culture empowers Amazonians to deliver the best results for our customers. If you have a disability and need a workplace accommodation or adjustment during the application and hiring process, including support for the interview or onboarding process, please visit https://amazon.jobs/content/en/how-we-hire/accommodations for more information. If the country/region you’re applying in isn’t listed, please contact your Recruiting Partner.

The base salary range for this position is listed below. As a total compensation company, Amazon's package may include other elements such as sign-on payments and restricted stock units (RSUs). Final compensation will be determined based on factors including experience, qualifications, and location. Amazon offers comprehensive benefits including health insurance (medical, dental, vision, prescription, basic life & AD&D insurance), Registered Retirement Savings Plan (RRSP), Deferred Profit Sharing Plan (DPSP), paid time off, and other resources to improve health and well-being. We thank all applicants for their interest, however only those interviewed will be advised as to hiring status.

CAN, ON, Toronto - 114,800.00 - 191,800.00 CAD annually

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More about this job

Responsibilities

You will own the design, implementation, and operation of Proactive Scaling services to ensure Amazon's infrastructure is right-sized for high-volume events. Additionally, you will mentor junior engineers and drive integration across various capacity management systems to automate infrastructure scaling.

Requirements

Candidates must have at least 3 years of professional software development experience and proficiency in a modern language like Java, C++, or C#. Experience building and delivering complex software systems is required, along with a strong understanding of the full software development life cycle.

Skills

Java
C++
C#
Object-oriented design
Software development
Capacity management
System design
Cloud computing
Distributed systems
Operational excellence
Technical leadership
Mentoring
Incident response
Monitoring
Automation

Benefits

Health insurance
Medical insurance
Dental insurance
Vision insurance
Prescription insurance
Basic life insurance
AD&D insurance
Deferred profit sharing plan
Paid time off

Visa sponsorship

Not detected in the job text

Keywords

Software Development Engineer
Scaling Planner
CloudTune
EC2
Auto Scaling Groups
Proactive Scaling
Reactive Scaling
Capacity Calculator
CloudWatch
PMET
Fleet Management
Infrastructure
System Architecture
Reliability
Scalability
Code Reviews
Design Patterns
Operational Standards
Automation
Forecasting

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