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Added 28 days ago
Senior Software Development Engineer, Recipient & Payment Experience
Remitly
Burnaby, BC
Full-time
Ship full-stack features end-to-end: Design, implement, test, and operate backend services (Go) and customer-facing interfaces (TypeScript) that power recipient management and pay-in…
Added 4 months ago
Apps Dev Tech Lead Analyst - Vice President
Citi
Remote, Canada
Full-time · Remote
As a key member of the data development team, you will work closely with full stack data engineers, developers, product managers, cross-functional partners and the larger technology…
Added 4 months ago
Software Engineer, Detection (TOR)
Doppel
Toronto, ON
$157,000 to $367,000 CAD / year
Full-time
Hands-on experience building production backend services or full-stack features (or equivalent). Proven record of shipping end-to-end: design → implementation → testing → monitoring →…
Added 4 months ago
Senior Software Developer, Data & MLOps
OSEDEA
Montreal, Quebec
Full-time
As a Senior Software Developer with strong Data Engineering and MLOps experience, you design, build, and deliver robust data and machine learning solutions for our clients. You combine…
Added 4 months ago
Senior Software Developer, DevOps & Infrastructure
OSEDEA
Montreal, Quebec
Full-time
As a Senior Software Developer with strong Cloud, DevOps, and infrastructure experience, you design, build, and deliver robust software solutions, architectures, and infrastructure for our…
Added 22 days ago
Senior Software Engineer, R&D Business Systems
Fivetran
Toronto, ON
…webhooks, and modern programming/scripting languages (Python, Java), and building systems leveraging low-code and full code solutions, and deploying them using modern CI/CD practices and…
Added 27 days ago
IT Industrial CrossFunction - Full Stack & AI Integration
Amrize
Mississauga, ON · Laval, QC
Join Amrize as a IT Industrial CrossFunction - Full Stack & AI Integration and help construct what's next. If you're ready to put your skills to work on projects that matter - and build a…
Added 4 months ago
Lead Java Full Stack Developer
Citi
Mississauga, Ontario
Full-time
Role Summary: We are looking for a Java Full-Stack Engineer to design, build, and support modern web applications. This role spans front-end development (Angular or React) and back-end…
Added 4 months ago
(CAN) Solution Consultant II
Walmart
Mississauga, Ontario
Full-time
This is a highly hands-on role requiring strong full-stack expertise, working knowledge of GCP, and exposure to Generative AI / Agentic development.
Added 4 months ago
Lead Java Full Stack Developer
Citi
Remote, Canada
Full-time · Remote
Role Summary: We are looking for a Java Full-Stack Engineer to design, build, and support modern web applications. This role spans front-end development (Angular or React) and back-end…
Added 4 months ago
Solutions Architect
Bond Brand Loyalty
Toronto, ON
$107,210.71 to $146,569.41 CAD / year
Experience with C#/.NET or Java, including software design patterns, code reviews, PoC
Added 25 days ago
Lead Software Engineer (Full Stack)
Scotiabank
Toronto, ON
…derivatives lines of business, you will be a Lead Software Engineer (Full Stack) for several in-house developed applications and vendor solutions associated with post-trade processing for…
Added 4 months ago
Principal Fullstack Software Senior Vice President
Citi
Mississauga, Ontario
Full-time
Must have Full stack -Java backend, React or Angular frontend experience
Added 4 months ago
Software Engineer
OSEDEA
Montreal, Quebec
Full-time
Around 3 years of experience as a software engineer or developer, ideally with several recent projects in modern programming languages such as Python, C#, GoLang, JavaScript/TypeScript or…
Added 4 months ago
Lead Software Developer
OSEDEA
Montreal, Quebec
Full-time
Has 8+ years experience as a software developer or engineer with at least 3 recent years in modern popular programming languages such as Python, Javascript/typescript, and/or Java
Added 5 months ago
Senior Web Developer
Pala Interactive
Toronto, Ontario
Full-time
The Senior Frontend Developer / Senior Web Developer will have primary responsibility for designing and implementing mobile gaming applications on an open source Linux platform using HTML5,…
Added 5 months ago
Fullstack Integration Developer Vice President
Citi
Mississauga, ON
Full-time
Full-Stack Development: Strong Java expertise, full-stack development experience, working knowledge of Oracle Database, and proficiency in modern frontend technologies (HTML, CSS,…
Added 5 months ago
Fullstack Integration Developer Vice President
Citi
Mississauga, Ontario
Full-time
Full-Stack Development: Strong Java expertise, full-stack development experience, working knowledge of Oracle Database, and proficiency in modern frontend technologies (HTML, CSS,…
Added 24 days ago
Staff Product Engineer - Search FX (Discovery Experience)
Faire
Kitchener, ON · Toronto, ON
Technical Stack: Strong programming skills in Kotlin or Java, with experience in high-performance backend systems, Protocol Buffers, and MySQL.
Added 5 months ago
Lead Software Developer (AOSP)
Syntronic
Waterloo, Ontario
Full-time
…the entire Software Development Lifecycle (SDLC), requiring a full-stack mindset to manage everything from user interface components to deep server-side and system-level…
Added 4 months ago
Senior C++ Application Developer
TMX Group
Toronto, Ontario
$120,000 to $130,000 CAD / year
Full-time
The ideal candidate is a well-rounded developer who enjoys using the right tool for the job - whether that’s writing Java or Python, managing SQL databases, or deploying projects to the…
Added 17 days ago
Senior Full Stack Software Developer, RMJ
Redwood Software
ON
$132,000 to $165,000 CAD / year
As a Senior Full Stack Software Developer, you will be responsible for leading the design, development, and delivery of scalable full-stack applications, shaping system architecture, and…
Added 5 months ago
Java Full Stack Developer (Angular)
Sapsol Technologies Inc
Remote, Canada
Full-time · Remote
We are seeking a highly skilled Java Full Stack Developer with strong expertise in Angular (latest versions) and backend development using Java, Spring Boot, and Microservices architecture.…
Added 5 months ago
Java Full Stack Developer (React)
Sapsol Technologies Inc
Remote, Canada
Full-time · Remote
We are seeking a talented Java Full Stack Developer with strong expertise in backend development using Java, Spring Boot, and Microservices, along with frontend experience in React.js. The…
Added 2 months ago
Senior Software Engineer, Full Stack
Brex
Vancouver, British Columbia
As a Senior Full-Stack Software Engineer on our Task Workflows Platform team, you will build and scale the foundational infrastructure that powers core experiences across Brex. You will…

Faire

Staff Product Engineer - Search FX (Discovery Experience)

Kitchener, ON, Canada
Toronto, ON, Canada

Pay: Canada: the pay range for this role is $190,500 - $262,000 per year.
Experience: Experience: 7+ years of professional software engineering experience, with 3+ years as a technical leader driving complex, cross-team projects.
Posting language: English
Posted: Sep 2, 2026

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Original job description

About Faire

Faire is a technology wholesale platform built on the belief that the future is local. Independent retailers around the globe collectively represent a multi-hundred-billion-dollar wholesale market that has historically been fragmented and offline. At Faire, we're using the power of tech, data, and machine learning to connect this thriving community of entrepreneurs across the globe. Picture your favorite boutique in town - we help them discover the best products from around the world to sell in their stores. With the right tools and insights, we believe that we can level the playing field so businesses can grow and local communities can thrive.

We’re looking for smart, resourceful and passionate people to join us as we power the shop local movement. If you believe in community, come join ours.

About the Role:

The Discovery Search team (Search FX) sits at the intersection of search, evaluation, and personalization shaping how retailers find the products they love. Our mission is to build the most intuitive, intelligent, and delightful discovery experience in wholesale: one that feels less like a search engine and more like a trusted merchant with an encyclopedic knowledge of what's in stock and what will sell.

As a Staff Engineer on the Search FX team, you will be a primary technical architect for our retailer-facing search surfaces. You will own the technical roadmap for search, recommendations, and Gen-AI experiences that drive a meaningful share of marketplace engagement. You will bridge the gap between high-scale infrastructure and world-class UX, helping unify retrieval, ranking, and personalization into a cohesive, high-performance system.

You’re excited about this role because...

You will own the technical vision: Define the end-to-end architecture for Faire's search and discovery experience, ensuring it is fast, relevant, and deeply personalized.
You’ll build at the AI frontier: Integrate LLM-powered capabilities, such as natural language search and intelligent query understanding, directly into the product.
You’ll solve complex scale problems: Help build high-scale, low-latency systems that navigate millions of products while meeting strict industry latency benchmarks.
You’ll drive cross-functional impact: Partner closely with Data Science, Product, and Design to iterate on ranking models and UX components.
You’ll be a mentor and leader: Foster a culture of engineering excellence and ownership, upskilling the team on technical expertise and decision-making.

What You'll Do:

Architect Next-Gen Search: Lead the design of composable grids, intent-aware routing, and orchestration layers that unify retrieval and ranking.
Modernize Query Understanding: Leverage LLMs to consolidate the QU stack, improving accuracy for long-tail queries and edge cases.
Optimize Performance: Drive initiatives to increase retrieval candidates (e.g., 10x growth) while maintaining stable search latency.
Launch AI-Driven Features: Develop systems like "Search Missions" that use offline pipelines and LLMs to recover failed search sessions through expanded queries.
Bridge AI and UX: Work with client engineers on SDUI and React Server Components to improve performance and developer velocity for dynamic search layouts.
System Ownership: Take accountability for the reliability and observability of the search funnel, from query planner refactors to real-time retrieval monitoring.

Qualifications:

Experience: 7+ years of professional software engineering experience, with 3+ years as a technical leader driving complex, cross-team projects.
Product Sensibility: A strong user-first mindset and the ability to translate ambiguous business problems into clear technical direction.
AI/ML Familiarity: Experience partnering with Data Science to deploy and leverage machine learning and gen-AI systems in search experiences across ranking and retrieval.
Domain Expertise: knowledge of search/query processing, including traditional, semantic, and hybrid frameworks (e.g., Elasticsearch, Lucene).
Technical Stack: Strong programming skills in Kotlin or Java, with experience in high-performance backend systems, Protocol Buffers, and MySQL.
Strategic Leadership: Demonstrated ability to contribute to team strategy without supervision and influence the broader organizational roadmap.

Technologies We Use and Teach:

Backend: Kotlin, Java 16, Hibernate, Guice, Jersey
Search/Data: Elasticsearch, FAISS, Redis, DynamoDB
Communication: Protocol Buffers, HTTP, JSON
Infrastructure: AWS, Kubernetes, Buildkite, Datadog

Salary Range:

Canada: the pay range for this role is $190,500 - $262,000 per year.

This role will also be eligible for equity and benefits. Actual base pay will be determined based on permissible factors such as transferable skills, work experience, market demands, and primary work location. The base pay range provided is subject to change and may be modified in the future.

Hybrid Faire employees currently go into the office 3 days per week on Tuesdays, Thursdays, and a third flex day of their choosing (Monday, Wednesday, or Friday). Additionally, hybrid in-office roles will have the flexibility to work remotely up to 4 weeks per year. Specific Workplace and Information Technology positions may require onsite attendance 5 days per week as will be indicated in the job posting.

Why you’ll love working at Faire

Move fast: You'll own meaningful problems that serve customers around the globe with the agency to move fast and see your results clearly.
Equipped to scale: We invest in what matters, including the latest enterprise AI tools, to help you work smarter and get more out of every day.
Best in class: Our team is full of sharp, kind, and generous colleagues who care about their craft and about helping you grow in yours.
Real rewards. Competitive pay, equity, and comprehensive benefits designed to support your life inside and outside of work.
Belonging: We're intentional about building an environment where every Faire employee has equal access to opportunities, growth, and success.

Faire was founded in 2017 by a team of early product and engineering leads from Square. We’re backed by some of the top investors in retail and tech including: Y Combinator, Lightspeed Venture Partners, Forerunner Ventures, Khosla Ventures, Sequoia Capital, Founders Fund, and DST Global. We have headquarters in San Francisco and Kitchener-Waterloo, and a global employee presence across offices in Toronto, London, and New York. To learn more about Faire and our customers, you can read more on our blog.

Faire provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, sex, national origin, age, disability, genetics, sexual orientation, gender identity or gender expression.

Faire is committed to providing access, equal opportunity and reasonable accommodation for individuals with disabilities in employment, its services, programs, and activities. Accommodations are available throughout the recruitment process and applicants with a disability may request to be accommodated throughout the recruitment process. We will work with all applicants to accommodate their individual accessibility needs. To request reasonable accommodation, please fill out our Accommodation Request Form (https://bit.ly/faire-form)

Privacy

For information about the type of personal data Faire collects from applicants, as well as your choices regarding the data collected about you, please visit Faire’s Privacy Notice (https://www.faire.com/privacy)

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More about this job

Responsibilities

You will architect and lead the technical vision for Faire's search and discovery experience, integrating AI-driven capabilities to improve product relevance and performance. You will also mentor the engineering team and partner with cross-functional stakeholders to drive high-scale system reliability and UX improvements.

Requirements

The role requires 7+ years of professional software engineering experience, including 3+ years in a technical leadership capacity. Candidates must possess strong expertise in backend development with Kotlin or Java, as well as deep knowledge of search frameworks and machine learning integration.

Skills

Backend Engineering
Search Architecture
Machine Learning
Generative AI
Kotlin
Java
Elasticsearch
System Design
Technical Leadership
Data Science
Retrieval Systems
Ranking Models
Protocol Buffers
MySQL
Kubernetes
AWS

Benefits

Equity
Health benefits

Visa sponsorship

Not detected in the job text

Keywords

Staff Backend Engineer
Search FX
Discovery Experience
Kotlin
Java
Elasticsearch
Lucene
FAISS
Redis
DynamoDB
Protocol Buffers
AWS
Kubernetes
Datadog
LLM
Gen-AI
Machine Learning
System Architecture
Retrieval
Ranking
Personalization
SDUI
React Server Components
MySQL
Hibernate
Guice
Jersey
Buildkite
Technical Roadmap
Marketplace

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