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Added 11 days ago
T
Sr. Full Stack Developer, TD Securities
TD
Toronto, ON
- Full-time
Mentor junior and intermediate developers, while promoting engineering best practices across the team.
Added 11 days ago
Software Development Engineer, Scaling Planner, CloudTune
Amazon
Toronto, ON
- Mentor junior engineers through code reviews, design guidance, and operational best practices.
Added 11 days ago
FG
Junior Software Engineer
FDM Group
Halifax, NS
- Full-time
Build and deploy cloud-native applications on AWS or Azure using Java and React, optimizing for performance, scalability, and resilience.
Added 11 days ago
Software Development Engineer II, Scaling Planner, CloudTune
Amazon
Toronto, ON
- Mentor junior engineers through code reviews, design guidance, and operational best practices.
Added 11 days ago
TC
AI Deployment & Solutions Engineer
Tata Consultancy Services
Toronto, ON
- Full-time
Mentor junior and graduate FDEs and provide technical support and guidance.
Added 11 days ago
T
Sr. Back-End Java Developer, TD Securities
TD
Toronto, ON
- Full-time
Mentor and guide junior and intermediate developers, fostering a culture of technical excellence, code quality, and adherence to best practices in Java development.
Added 11 days ago
R
Lead Full Stack Developer
RBC
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 14 days ago
Software Development Engineer II, Omnichannel Metrics (OCM) - Measurement, Ad Tech, and Data Science (MADS)
Amazon
Toronto, ON
…autonomous measurement platform. You'll work across Scala, Java, and Python, with deep expertise in big data technologies (Apache Spark, Kestrel, EMR), AWS infrastructure (Lambda, DynamoDB,…
Added 14 days ago
CO
Staff Software Engineer - Capital One Travel Tech - Full-stack
Capital One
Toronto, ON
- Full-time
Act as a tech lead developer owning technical design and development of cross-functional, multi-platform, fault tolerant application systems
Added 14 days ago
D
Senior Consultant - GCP Agent Platform Architect
Deloitte
Toronto, ON
- Full-time
Mentor junior engineers on the team; contribute to Deloitte's agentic-AI practice assets, playbooks, and internal enablement.
Added 14 days ago
VV
Junior Java Developer 1016
Veracity Ventures Inc.
Remote, Canada
- Full-time
- Remote
We are looking for a motivated Junior Java Developer to join our development team. The ideal candidate will have a strong foundation in Java programming, experience with Spring Boot, and an…
Added 14 days ago
SI
Java Backend Developer
Smart IT Frame LLC
Mississauga, ON
- Full-time
Develop test and deploy Java microservices utilizing Spring Boot and related technologies Design and implement RESTful APIs ensuring seamless integration with frontend and other services…
Added 14 days ago
S
Junior Software Developer - Mission Control
Solace
Ottawa, ON
- Full-time
…clouds and, increasingly, customer-managed environments. As a Junior Software Developer on the Mission Control squad, you'll build the APIs and operational tooling that keep thousands of…
Added 14 days ago
SC
Junior Software Developer - Mission Control
Solace Corporation
Ottawa, ON
- Full-time
…clouds and, increasingly, customer-managed environments. As a Junior Software Developer on the Mission Control squad, you'll build the APIs and operational tooling that keep thousands of…
Added 15 days ago
SI
Java Developer
Smart IT Frame LLC
Mississauga, ON
- Full-time
Develop test and deploy Java microservices utilizing Spring Boot and related technologies Design and implement RESTful APIs ensuring seamless integration with frontend and other services…
Added 15 days ago
SI
Java Backend Developer- Lead
Smart IT Frame LLC
Mississauga, ON
- Full-time
Develop test and deploy Java microservices utilizing Spring Boot and related technologies Design and implement RESTful APIs ensuring seamless integration with frontend and other services…
Added 15 days ago
TC
Sr. Automation QE
Tata Consultancy Services
Toronto, ON
- $90,000 to $110,000 CAD / year
- Full-time
Mentor junior QE team members and promote automation best practices.
Added 15 days ago
L
Java Backend Developer
LTM
Mississauga, ON
- Full-time
Develop test and deploy Java microservices utilizing Spring Boot and related technologies Design and implement RESTful APIs ensuring seamless integration with frontend and other services…
Added 15 days ago
S
Senior Full-Stack Developer [Security & Risk Products]
ScalePad
Vancouver, BC
- Full-time
As a Senior Full-Stack Developer, you will be responsible for developing entirely new products and innovating within our existing technology stack. This will involve research, analysis,…
Added 15 days ago
C
Java Developer
Citi
Mississauga, ON
- Full-time
Citi is looking for a Java Developer to join its Technology team and contribute to the design, development, and delivery of application systems that power financial services at global…
Added 15 days ago
C
Java Developer
Citi
Mississauga, ON
- Full-time
Citi is looking for a Java Developer to join its technology organisation and play a hands-on role in building, enhancing, and integrating the applications that power financial services at…
Added 15 days ago
H&
Junior Software Developer
Helic & Co
Canada
- Full-time
We are seeking an enthusiastic Junior Software Developer to join our collaborative engineering team. In this role, you will write code, fix bugs, and develop new features for our core…
Added 15 days ago
Junior Software Engineer
Scotiabank
Toronto, ON
…supporting applications using Shell Scripting, C/C++, Python, java technologies (e.g. SpringBoot, Hibernate, JPA, etc.) to support business requirements for payment processing…
Added 16 days ago
Junior Software Engineer
Scotiabank
Toronto, ON
Familiarity with at least one programming language such as Java, JavaScript, Python
Added 16 days ago
UR
Software Engineer - Team Lead (Forward Deployed)
Urban Ridge Supplies
Mississauga, ON
- Full-time
7+ years of professional experience in software engineering (Python, TypeScript, Java, .NET, or similar)

Amazon

Software Development Engineer, 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 15, 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 a 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 contributing to the architecture and design (architecture, design patterns, reliability and scaling) of new and current systems
- Experience programming with at least one modern language such as Java, C++, or C# including object-oriented design Preferred Qualifications: - 3+ years of full software development life cycle, including coding standards, code reviews, source control management, build processes, testing, and operations experience
- 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

The engineer will design, implement, and operate proactive and reactive scaling services to automate capacity management for EC2-based systems. They will also lead technical design reviews, mentor junior engineers, and ensure high operational standards through monitoring and incident response.

Requirements

Candidates must have at least 3 years of professional software development experience and proficiency in Java, C++, or C#. Experience with system architecture, design patterns, and the full software development life cycle is required.

Skills

Software development
Java
C++
C#
Object-oriented design
System architecture
Capacity management
Cloud computing
Distributed systems
Performance monitoring
Incident response
Technical leadership
Mentoring
Automation
Reliability engineering

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 Console
Java
C++
C#
Object-oriented design
System architecture
Reliability
Automation
Capacity management
Infrastructure
Prime Day
Black Friday
High Volume Events
Technical design
Operational excellence
Mentoring
Incident response
Monitoring
Alarming

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