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Added 1 month ago
Lead Engineer, Credit Investments, Alternative Investments Technology
CPP Investments | Investissements RPC
Toronto, ON
Full-time
As a Lead Software Engineer, you will guide and participate in the end-to-end delivery and support of technology solutions and products that enable complex investment capabilities. You will…
Added 1 month ago
Lead AI Software Engineer
RBC
Vancouver, BC
Full-time
Expert in multiple programming languages/frameworks such as: Java, Spring, Scala, Spark, JavaScript, UI framework (Angular / React / Vue.js), .NET, Python, HTML5/CSS, SQL, etc.
Added 1 month ago
Support Engineer, Selling Partner Financial Technology
Amazon
Vancouver, BC
- Work on operations and maintenance driven coding projects, primarily in Java
Added 1 month ago
Lead Software Engineer (SDET)
Mastercard
Toronto, ON
Full-time
Lead Software Engineer (SDET)Who is Mastercard?
Added 1 month ago
Senior / Intermediate Full Stack Engineer (Backend-Leaning)
MONKEY Catering Platform
Canada
Full-time
…operate at scale. We’re looking for a backend-leaning Full Stack Engineer who enjoys solving meaningful product problems, designing thoughtful systems, and shipping high-quality software…
Added 1 month ago
Junior Back End Engineer
Common Wealth Retirement
Vancouver, BC
Full-time
Foundation as back end engineer. You have previous experience through co-op / internship or 1+ year full time experience and you’ve worked on production systems in Java and/or Kotlin, using…
Added 1 month ago
Junior Front End Engineer
Common Wealth Retirement
Vancouver, BC
Full-time
We are looking for a Junior Front End Engineer to join Common Wealth’s engineering team. You will play a key role in contributing to building and scaling the technology that powers our…
Added 2 months ago
Software Engineer I
Beanfield
Toronto, ON
$90,000 to $110,000 CAD / year
Full-time
We are seeking a motivated Software Engineer to join our technology team. This role focuses on designing, developing, and enhancing backend systems, APIs, and data processing tools using…
Added 1 month ago
Senior Lead Java Fullstack Software Engineer
Citi
Mississauga, ON
Full-time
Strong backend development experience with Java and Spring Boot (REST APIs, security concepts, performance, and scalability).
Added 1 month ago
Sr. Data Engineer
eBay
Toronto, ON
Full-time
We are seeking a talented and passionate Data Engineer to join our team to architect, design, and develop innovative, high-performance, and scalable data pipelines. In this role, you will…
Added 1 month ago
Data Engineer
eBay
Toronto, ON
Full-time
We are looking for a talented and passionate Data Engineer to join our team and help build scalable, reliable data solutions that power critical experiences across eBay.
Added 1 month ago
Java Developer
Capgemini
Montreal, QC
We're seeking a Java Engineer to join our Firm Market Risk Technology team. In this role, you will develop and enhance the Firm's Market Risk Platform.
Added 10 days ago
Data Solutions Architect
Spaulding Ridge
Toronto, ON
Added 1 month ago
Senior Frontend Software Engineer (Bridge) Canada, Remote
LTG
Remote, Canada
Full-time · Remote
GetBridge is seeking a seasoned Frontend Engineer to take ownership of modernizing and maintaining our legacy application while planning and driving strategic feature development. In this…
Added 1 month ago
Principal Backend Engineer
US Mobile
Toronto, ON
Full-time
We're looking for an exceptional backend engineer and hands-on architect to help us scale and connect millions of devices to wireless networks. The projects and potential impact are…
Added 1 month ago
Principal Backend Engineer
US Mobile
Montreal, QC
Full-time
We're looking for an exceptional backend engineer and hands-on architect to help us scale and connect millions of devices to wireless networks. The projects and potential impact are…
Added 2 months ago
Staff Software Engineer
Software of Excellence
Surrey, BC
Full-time
We are looking for a Staff Software Engineer to join our Ascend Specialty domain. This is a hands-on technical leadership role where you will help shape the architecture, improve…
Added 1 month ago
Cybersecurity Lead
e-STORAGE
Kitchener, ON
Full-time
We are looking for a hands-on cybersecurity engineer who is passionate about securing energy systems, stays current with evolving cyber threats and technologies, challenges conventional…
Added 1 month ago
Senior Data Engineer
Kainos
Halifax, NS
Full-time
As a Senior Data Engineer at Kainos, you will be responsible or designing and developing data processing and data persistence software components for solutions which handle data at scale.…
Added 1 month ago
Senior Software Engineer - Brokerage Platform
Moomoo Canada
Toronto, ON · North York, ON
Full-time
We are looking for an experienced Senior Software Engineer to join our engineering team in Toronto.
Added 1 month ago
Software Development Engineer III, Agentic Client Experience (ACE) - Builder Foundations
Amazon
Vancouver, BC
…into autonomous productivity platforms. You'll work across Java, Python, and TypeScript with deep expertise in RAG, DAG, MCP, ACP, agentic evaluations, AWS infrastructure (Lambda, DynamoDB,…
Added 1 month ago
Senior Software Engineer
RBC
Toronto, ON
Full-time
As a Senior Software Engineer on the Advice Centre Engineering Team, you will design and build enterprise-scale applications and backend services that enable real-time audio streaming,…
Added 20 days ago
Senior Software Engineer, Atlas Search Systems
MongoDB
Toronto, ON
Build and design our integrated search platform, written in Java
Added 27 days ago
Senior Software Engineer
Royal Bank of Canada
Toronto, ON
Full-time
As a Senior Software Engineer on the Advice Centre Engineering Team, you will design and build enterprise-scale applications and backend services that enable real-time audio streaming,…
Added 1 month ago
Staff Engineer - MTS 2 (Integrations)
eBay
Toronto, ON
Full-time
This is a highly hands-on technical leadership role for an experienced backend engineer who can define architecture, write production code, and drive execution in a fast-moving, ambiguous…

Amazon

Software Development Engineer III, Agentic Client Experience (ACE) - Builder Foundations

Vancouver, BC, Canada

Posting language: English
Posted: Aug 20, 2026

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Original job description

Builders across Amazon face challenges of building across multiple platforms in order to deliver value to our customers. Historically, this meant having to familiarize yourself with each of those platforms in order to submit the necessary changes that would support your product and project. ACE is working to simplify this through the use of agentic development practices that leverage tools for discovery, code generation, and automation to accelerate and improve the builder experience. Our work within Builder Foundations focuses on improving the tooling which is used every day to support the eCommerce efforts of Stores, Devices, and Other lines of business.

As an SDE III, you will own the architecture and delivery of major system components end-to-end. You'll make technology choices that shape how Builder Foundations scales from thousands to tens of thousands of active workflows, design distributed data pipelines processing billions of events, and build the AI-powered features that transform Builder Foundations tools from a experiments into autonomous productivity platforms. You'll work across Java, Python, and TypeScript with deep expertise in RAG, DAG, MCP, ACP, agentic evaluations, AWS infrastructure (Lambda, DynamoDB, CDK), and data modelling for both relational and non-relational systems.

You will lead technical design reviews, mentor engineers, and raise the engineering bar across the team. You'll partner directly with applied scientists on measuring adherence and effectiveness of agentic tooling and with product managers to translate ambiguous customer problems into scalable technical solutions. This is a team where an L6 engineer has outsized impact - we're small enough that your architectural decisions become the system, and high-visibility enough (S-team and VP-level goals) that leadership sees the results.

The ideal candidate thrives in ambiguity, has a track record of delivering complex distributed systems in fast-moving environments, and gets energized by problems that sit at the intersection of big data, ML, and product. You're not just looking for a job - you're looking for a team where you can shape the technical direction of a product that's redefining how the advertising industry measures success.

Key job responsibilities
- Design and build scalable agent workflows for metrics collection and aggregation
- Lead architecture decisions for ACE's calibration, report generation, and data processing systems spanning multiple pipelines across multiple AWS accounts
- Own end-to-end delivery of major product features - from technical design through production launch - including real-time streaming attribution, AI-powered report generation, and new vertical measurement frameworks
- Drive operational excellence across ACE's workflows: improve observability, eliminate silent failures, and build self-healing capabilities to meet builder SLAs
- Mentor junior engineers, raise the bar on code quality through design reviews and CRs, and establish engineering best practices across the team
- Partner with applied scientists and product managers to translate ML model requirements into production-grade systems that serve advertiser-facing measurement products

A day in the life
You might start your morning reviewing the overnight metrics collected on tooling runs, investigating why an adherence scenario's stats look anomalous. After the morning sync, you might pair with another software engineer to remove an unnecessary touchpoint in a workflow. In the afternoon, you lead a design review for a new plugin architecture that will improve code quality for generated DynamoDB queries. You close the day reviewing CRs from a teammate building LLM-powered code package scanning. Your work directly impacts how builders contribute to Amazon products across retail and beyond.

About the team
The ACE Team is part of the Builder Labs initiative to do research and development to bring cutting edge tooling to the software builders across Amazon. Builder Labs and ACE work tirelessly to improve a software engineer's ability to work with the platforms supported by our parent organization, Builder Works. These include the tools that power the Amazon homepage, and experiences like Kindle, Rufus, and Search. Basic Qualifications: - 5+ years of non-internship professional software development experience
- 5+ years of programming with at least one software programming language experience
- 5+ years of leading design or architecture (design patterns, reliability and scaling) of new and existing systems experience
- Experience as a mentor, tech lead or leading an engineering team Preferred Qualifications: - 7+ 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
- Experience with programming languages like Python, JavaScript, Go, .Net, Java 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, BC, Vancouver - 150,700.00 - 251,700.00 CAD annually

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More about this job

Responsibilities

You will own the end-to-end architecture and delivery of major system components for agentic development tools. You will also lead technical design reviews, mentor junior engineers, and partner with applied scientists to translate complex requirements into scalable solutions.

Requirements

Candidates must have at least 5 years of professional software development experience and a strong background in leading system architecture and design. Proficiency in programming languages such as Java, Python, or TypeScript is required, along with experience in distributed systems and cloud infrastructure.

Skills

Java
Python
TypeScript
Distributed systems
AWS infrastructure
Lambda
DynamoDB
CDK
RAG
DAG
MCP
ACP
Data modelling
Software architecture
Mentoring
Technical design

Benefits

Health insurance
Medical insurance
Dental insurance
Vision insurance
Prescription insurance
Basic life insurance
AD&D insurance
Deferred Profit Sharing Plan
Paid time off
Restricted stock units

Visa sponsorship

Not detected in the job text

Keywords

Software Development Engineer
Agentic Client Experience
Builder Foundations
Distributed Systems
Java
Python
TypeScript
AWS
Lambda
DynamoDB
CDK
RAG
DAG
MCP
ACP
Data Pipelines
Machine Learning
Software Architecture
Observability
System Design
Code Generation
Automation
eCommerce
Technical Leadership
Mentorship
Cloud Computing
Data Modelling
Real-time Streaming
Operational Excellence
LLM

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