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Added 1 month ago
CO
Staff Android Engineer
Capital One
Toronto, ON
- Full-time
Provide mentorship to Junior, Intermediate, and Senior mobile associates
Added 1 month ago
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Senior Java Developer
Localcoin
Toronto, ON · ON
- $120,000 to $140,000 USD / year
- Full-time
…technologies to join our growing Engineering team as our Senior Java Back End…
Added 1 month ago
RB
Senior AI Engineer
Royal Bank of Canada
Toronto, ON
- Full-time
Support code reviews, design discussions, and mentoring of junior team members
Added 1 month ago
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Python Developer
Synechron
Montreal, QC
- Full-time
We are seeking an experienced and highly skilled Python Developer to join our dynamic team. The ideal candidate will have a strong background in building scalable, high-performance RESTful…
Added 1 month ago
R
Senior AI Engineer
RBC
Toronto, ON
- Full-time
Support code reviews, design discussions, and mentoring of junior team members
Added 1 month ago
I
Staff Software Developer - Backend Engineering
Intuit
Toronto, ON
- Full-time
Come join the API Management Platform Team as a Staff Software Developer.
Added 1 month ago
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Staff Software Developer - Backend Engineering
Intuit
Toronto, ON
- Full-time
Come join the API Management Platform Team as a Staff Software Developer.
Added 1 month ago
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Lead Data Scientist
Sanofi
Toronto, ON
- Full-time
Mentor junior Data Scientists, AI Engineers, and interns through technical coaching, code reviews, solution reviews, and knowledge sharing
Added 1 month ago
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AI Engineer
Sanofi
Toronto, ON
- Full-time
Mentor and coach junior AI engineers, software engineers, data scientists, and interns while fostering engineering excellence and knowledge sharing
Added 1 month ago
MS
International Transfer - Director, Lead Software Eng
Morgan Stanley
Montreal, QC
- Full-time
We're seeking someone to join our SPG Lending team as a Senior Java developer to build and maintain Java services for a mission critical platform. You'll design REST APIs, implement…
Added 1 month ago
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Software Development Engineer, WW Deals & Promotions
Amazon
Vancouver, BC
- Full-time
You'll also have opportunities to mentor junior engineers, provide feedback to improve code quality and maintainability, and identify ways to evolve the promotions platform. If you have 3+…
Added 1 month ago
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Java Developer, TD Securities
TD
Toronto, ON
- Full-time
Lead technical discussions and high-performance professionals at various capacity (junior to senior developer)
Added 1 month ago
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Senior TypeScript Engineer
MapsPeople
Toronto, ON
- Full-time
Participate in code reviews, technical design discussions, and mentoring of junior engineers
Added 1 month ago
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Senior Java Developer
Citi
Mississauga, ON
- Full-time
We are seeking a highly experienced and motivated Lead Java Developer with 6+ years of industry experience to spearhead the development of robust, scalable, and innovative enterprise…
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 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 Java Developer
Localcoin
Canada
…technologies to join our growing Engineering team as our Senior Java Back End…
Added 2 months ago
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Senior Software Engineering Specialist
CGI
Toronto, ON
- Full-time
Mentor junior developers and contribute to knowledge sharing across CGI's Software Engineering practice.
Added 2 months ago
C
Senior Platform Engineering Specialist
CGI
Toronto, ON
- Full-time
…modern technology platforms that improve software delivery, developer productivity, operational resilience, security, and business…
Added 2 months ago
C
Senior Data Platform Engineering Specialist
CGI
Toronto, ON
- Full-time
Mentor junior data engineers and contribute to knowledge sharing across CGI's Data Platform Engineering practice.
Added 2 months ago
C
Senior Full Stack Developer
CGI
Toronto, ON
- Full-time
CGI is seeking an experienced Senior Full Stack Developer to join our growing Software Engineering Practice within the Emerging Technologies team.
Added 2 months ago
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API Architect
Moneris
Toronto, ON
- Full-time
Provide architectural expertise and domain knowledge to the rest of the organization and develops more junior members on the team
Added 2 months ago
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Senior SDET (IC4) - Senior Software Engineer in Test
Emburse
Toronto, ON
- Full-time
Onboard and mentor new and junior team members
Added 2 months ago
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Senior Software Engineer
Acceldata
Kitchener, ON
- $100,000 to $140,000 CAD / year
- Full-time
Mentor and guide junior software engineers, fostering a culture of continuous learning and growth.
Added 1 month ago
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Staff Software Engineer
Equifax
Toronto, ON · CAN - Ontario - Toronto
- Full-time
Lead the Architecture design and development of complex , scalable and resilient full-stack applications , with a primary focus on Java , Spring Boot, and modern front-end frameworks.

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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