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Added 2 months 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, Atlas Search Systems
MongoDB
Toronto, ON
Build and design our integrated search platform, written in Java
Added 2 months ago
E
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…
Added 2 months ago
C
Senior Workday (HCM) Test Engineer
Cognizant
Toronto, ON
- $60,000 to $90,000 CAD / year
- Full-time
We are looking for a Senior Workday Test Engineer with Workday HCM (Recruiting) testing experience. In this role, you will be responsible for designing, building, and executing…
Added 2 months ago
JG
Senior AI Engineer Java
J&M Group
Toronto, ON
- Full-time
We are seeking an experienced and highly motivated Senior AI Engineer to join the Canada Segments Technology Strategy team. This role will accelerate business and technology transformation…
Added 2 months ago
CM
Associate Software Engineer
Canon Medical Informatics
Waterloo, ON
- Full-time
We’re hiring an Associate Software Engineer for our Kitchener, Ontario office. In this role, you’ll work alongside experienced engineers to design, build, test, and support software…
Added 2 months ago
JG
QA Automation Engineer
J&M Group
Vancouver, BC
- Full-time
Strong Java, C#, .NET, Python, or JavaScript with OOP concepts.
Added 2 months ago
A
Staff Software Engineer - Full Stack AI (Bangkok based, Relocation provided)
Agoda
Vancouver, BC
- Full-time
As our Staff Full Stack Engineer, you will design and build AI-driven chat experiences that power Agoda’s AI Assistant, trip planning and discovery, customer support flows, and proactive…
Added 2 months ago
TI
Data Engineer (DevOps)
Tecsys Inc.
Montreal, QC
- Full-time
We're looking for a Data Platform Engineer (DevOps) to join our TecsysIQ Data & AI team. This is a hybrid role that builds and operates the cloud data platform powering our analytics and AI…
Added 2 months ago
T
Senior/Staff Software Engineer, Data Platform
Terminal
Toronto, ON
- $200,000 to $295,000 CAD / year
- Full-time
We're looking for an engineer who thrives on building scalable platforms and enjoys tackling hard data and backend challenges. This isn't a data engineering role: you'll design and optimize…
Added 2 months ago
C
Senior Software Engineer
Clutch
Toronto, ON
- $160,000 to $200,000 USD / year
- Full-time
Have experience with one or more modern programming languages such as TypeScript, Python, Go, Java, C#, Rust, or Ruby.
Added 2 months ago
QF
Principal Software Engineer, Money Movement (Questbank)
Questrade Financial Group
Toronto, ON · North York, ON
- Full-time
We’re looking for our next Principal Software Engineer, Money Movement. Could It Be You?
Added 2 months ago
RP
Lead Software Reliability Engineer
RE Partners
Mississauga, ON
- Full-time
Upgrading to supported runtimes (generally Java or NPM).
Added 1 month ago
Staff Backend Engineer, Passwordless
Okta
Toronto, ON
We are looking for a Staff Software Engineer to join the Passwordless team. As a Staff Engineer, you will be a technical leader, making large, independent contributions and shaping the…
Added 2 months ago
E
Senior DevOps Engineer
e-STORAGE
Kitchener, ON
- Full-time
We are seeking a talented Sr DevOps Engineer to join our dynamic team and contribute to the delivery of on-site and cloud-based Energy Management System (EMS) for utility grade systems. The…
Added 1 month ago
C
Senior Software Engineer, Java and AI Development - Vice President
Citi
Mississauga, ON
- Full-time
We are seeking a highly motivated and skilled Senior Software Engineer to join our innovative team, blending backend development expertise with emerging AI technologies.
Added 2 months ago
Software Engineer
Capgemini
Mississauga, ON
…This role requires strong development experience in C, C++, Java, and Python, along with experience working with secure software solutions, test automation, and AI-assisted development…
Added 2 months ago
E
Senior SDET (IC4) - Senior Software Engineer in Test
Emburse
Toronto, ON
- Full-time
Emburse is seeking a skilled and detail-oriented Senior Software Development Engineer in Test (SDET) to join our engineering team. In this role, you will bridge the gap between software…
Added 2 months ago
E
SDET III (IC3) - Software Engineer in Test III
Emburse
Toronto, ON
- Full-time
Emburse is seeking a skilled and detail-oriented Software Development Engineer in Test (SDET) to join our engineering team. In this role, you will bridge the gap between software…
Added 2 months ago
Sr. Manager, Engineering
Dialpad
Vancouver, BC
10+ years professional experience as an engineer or engineering leader.
Added 2 months ago
C
Senior Software Engineer
Clutch
Toronto, ON
- $160,000 to $200,000 USD / year
- Full-time
Have experience with one or more modern programming languages such as TypeScript, Python, Go, Java, C#, Rust, or Ruby.
Added 2 months ago
F
Senior Software Engineer (AI & Full Stack)
Fable
Canada
- Full-time
Fable is looking for a highly motivated Senior Software Engineer with deep backend expertise, strong full-stack development skills, and hands-on experience building AI-powered applications…
Added 2 months ago
CI
Senior Engineer, TFM, Risk & Total Fund Management Technology
CPP Investments | Investissements RPC
Toronto, ON
- Full-time
As Senior Engineer, Total Fund Management Technology, you will design, build, test, and support technology solutions that enable portfolio construction, monitoring, analytics, and Total…
Added 1 month ago
C
AI-Augmented Full-Stack Engineer - Vice President
Citi
Mississauga, ON
- Full-time
The AI-Augmented Full-Stack Engineer is a senior individual contributor position within Citi's Banking Technology organization. This team builds and maintains the applications and platforms…
Added 2 months ago
E
Staff Software Engineer
Equifax
Toronto, ON · CAN - Ontario - Toronto
- Full-time
…are a forward-thinking, committed, and enthusiastic software engineer who is passionate about…

Amazon

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

Vancouver, BC, Canada

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Job details

Posting language: English
Posted: Aug 20, 2026

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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