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Added 2 months ago
Senior Data/AI Engineer
Guidepoint
Toronto, ON
…integration of responsible AI and best-in-class MLOps. The Senior AI/ML Engineer will be a primary contributor to building scalable AI/ML capabilities using Databricks and other…
Added 1 month ago
VS
Senior Reliability/Test Engineer
VIAVI Solutions
Ottawa, ON
- Full-time
VIAVI, Ottawa Canada, Fiber Optic Lab & Production Test (FOPLT) Business Unit, has a need for a Senior Test Engineer with the experience and drive to make a difference. This position will…
Added 1 month ago
C
Product Security Engineer, North Security
Cohere
Remote, Canada
- $180,000 to $385,000 USD / year
- Full-time
- Remote
We're hiring a Senior Product Security Engineer to work these problems alongside the engineers building the products, reviewing architecture and code, threat modeling before implementation,…
Added 1 month ago
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Analyste BI senior
AtkinsRéalis
Montreal, QC
- Full-time
Join the Business Systems Team and help turn complex project data into clear, useful insights. As a Senior BI Analyst, you will work with project teams, business stakeholders and technology…
Added 5 months ago
QT
Senior Applied AI Engineer - Product & Revenue Systems
QEA Tech
Markham, Ontario
- Full-time
The ideal candidate is a senior hands-on builder who can work across product, engineering, sales, and business teams to identify high-impact AI opportunities, build working systems, and…
Added 5 months ago
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Senior Backend Engineer (.NET & AI/ML)
Zonda
Toronto, Ontario
- $110,000 to $130,000 CAD / year
- Full-time
We are hiring a Senior Backend Engineer with strong .NET and AI/ML expertise to design and build scalable, high-performance backend systems and AI-powered features for NewHomeSource.com and…
Added 5 months ago
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Senior Backend Engineer (.NET & AI/ML)
Zonda
Montreal, Quebec · Greater Montreal Metropolitan Area
- $110,000 to $130,000 CAD / year
- Full-time
We are hiring a Senior Backend Engineer with strong .NET and AI/ML expertise to design and build scalable, high-performance backend systems and AI-powered features for NewHomeSource.com and…
Added 5 months ago
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Senior Backend Engineer (.NET & AI/ML)
Zonda
Vancouver, British Columbia
- $110,000 to $130,000 CAD / year
- Full-time
We are hiring a Senior Backend Engineer with strong .NET and AI/ML expertise to design and build scalable, high-performance backend systems and AI-powered features for NewHomeSource.com and…
Added 6 months ago
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Computer Vision & Behavioral Signal Analysis Intern (Travel + Hospitality Focus)
FairwAI
Remote, Canada
- Remote
Experienced in Python-based ML and vision workflows
Added 5 months ago
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Senior Frontend Engineer
Forma.ai
Toronto, Ontario
- $140,000 to $175,000 CAD / year
- Full-time
Reporting to the VP of Engineering the Senior Frontend Engineer will play a key role in building, evolving, and scaling Forma’s customer-facing and internal operations experiences.
Added 5 months ago
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Software Engineer, AI
Klue
Toronto, Ontario
- $92,000 to $119,000 CAD / year
- Full-time
We're looking for a Software Engineer with production experience to join our Toronto AI engineering team. You'll help us build and improve the LLM-powered agent systems that turn millions…
Added 6 months ago
M
Senior Design Engineer - Vehicle Systems
Multimatic
Markham, Ontario
- Full-time
The Vehicle Systems Department is currently seeking a Senior Design Engineer, with skills in complex systems integration and full vehicle system development. This role is suitable for…
Added 3 months ago
L
NetSuite SCM Engineer - Inventory, WMS & Fulfillment
Lime
Remote, Canada
- $102,000 to $143,000 CAD / year
- Full-time
- Remote
We are seeking a strong techno-functional Senior ERP Application Engineer to support the development, customization, and integration of our global Supply Chain Management (SCM) platforms.…
Added 1 month ago
KT
Software Engineer in Test (ETL)
Kaizen Technologies
ON · Ontario, Canada
- Contract
Job Title: Senior SDET / ETL Test Automation Engineer
Added 1 month ago
EV
Senior Quality Assurance Automation Engineer
Epiphan Video
Ottawa, ON
- Full-time
Epiphan Video is looking for a Senior QA Automation Engineer with a strong Python and Playwright background to own test automation for our devices and Multimedia Platform. Join our QA team…
Added 1 month ago
Senior Digital Design Engineer
Astera Labs
Toronto, ON
As a Senior Digital Design Engineer, you will design and integrate high-performance connectivity silicon for the next generation of AI infrastructure. You will contribute across…
Added 1 month ago
Senior Delivery Consultant - Connect and Lex, Amazon Connect Center of Delivery Excellence
Amazon
Toronto, ON
- 5+ years of experience as a contact center technology architect, enterprise IT Architect or senior contact center developer working with leading contact center technology platforms and…
Added 1 month ago
JS
Senior Software Engineer, AI-Native Data Warehouse
Juniper Square
Remote, Canada
- Full-time
- Remote
As a Senior Software Engineer at Juniper Square, you're a hands-on individual contributor who designs, builds, and operates production systems powering core workflows for institutional…
Added 1 month ago
VS
Senior Reliability/Test Engineer
VIAVI Solutions
Ottawa, ON
- Full-time
VIAVI, Ottawa Canada, Fiber Optic Lab & Production Test (FOPLT) Business Unit, has a need for a Senior Test Engineer with the experience and drive to make a difference. This position will…
Added 6 months ago
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Associate AI Software Engineer
VoiceValet
Vancouver, British Columbia
- $60,000 to $80,000 CAD / year
- Full-time
You'll work on real production voice AI systems from day one, with mentorship from our leadership team and senior engineers. This is hands-on engineering with immediate impact – features…
Added 6 months ago
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Senior Product Engineer
LTM
Ontario · Ontario, Canada
- $75,163 to $79,609 USD / year
- Full-time
Added 6 months ago
L
Senior Product Engineer
LTM
Ontario · Ontario, Canada
- $75,163 to $79,609 USD / year
- Full-time
Added 6 months ago
S
Senior Platform Engineer
Scotiabank
Toronto, Ontario
- Full-time
GBME is searching for a Senior Platform Engineer who is a continuous learner and is eager to boost the capabilities of capital markets platforms. The successful candidate will have a strong…
Added 6 months ago
A
Senior Full-Stack Engineer - Production Planning
Afresh
Ontario
- $136,000 to $205,000 CAD / year
- Full-time
Required skills: TypeScript (or Javascript), React, and Python
Added 6 months ago
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Senior Product Engineer
LTM
Ontario · Ontario, Canada
- $75,163 to $79,609 USD / year
- Full-time

Zonda

Senior Backend Engineer (.NET & AI/ML)

Vancouver, BC, Canada

$110,000 to $130,000 CAD / year · Full-time

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Job details

Pay: $110,000 to $130,000 CAD / year
Job type: Full-time
Experience: 2+ years of hands-on experience shipping AI/ML features into production, such as ranking, personalization, recommendations, or LLM-powered services.
Posting language: English
Posted: May 5, 2026

Original job description

Senior Backend Engineer - .NET and AI/ML

(Backend Systems

Distributed Architecture
gRPC Microservices
Cloud Services
AI/ML & LLM Engineering)

Zonda is redefining the future of housing. We are perfectly placed in the heart of the fast-growing real estate industry. We are making big bets on the future of real-estate, trailblazing a 2030 vision for the industry. Here at Zonda, you’ll be able to use your passion and curiosity to drive the next generation of real estate analysts, advisors, and technologists.

We are hiring a Senior Backend Engineer with strong .NET and AI/ML expertise to design and build scalable, high-performance backend systems and AI-powered features for NewHomeSource.com and Livabl, two of North America's largest new-home and pre-construction marketplaces.

This is a dual-focus role: you will spend meaningful time on both core backend engineering (.NET, gRPC microservices, SQL Server, MongoDB, Elasticsearch, AWS, Azure) and AI/ML engineering (LLMs, RAG, vector search, MCP, ranking, personalization). You'll work across our API Gateway, gRPC microservices, Search Engine, MVC web applications, and MCP (Model Context Protocol) server to ship features that directly impact millions of homebuyers. Working hours align with the Eastern Time (EDT/EST) zone.

What You'll Do

Backend Engineering

Design, develop, and maintain backend services, REST APIs, and gRPC microservices using .NET Framework and .NET Core / .NET 8+ in C#.
Build and evolve gRPC service contracts using Protocol Buffers(.proto), including streaming, error handling, and versioning across services and API gateways.
Build and optimize data layers across SQL Server, MongoDB, and Elasticsearch, including indexing, query tuning, sharding, and relevance tuning.
Apply DDD, CQRS,MediatR, and Minimal API patterns; structure code into Aggregate Roots, Commands/Handlers, and endpoints consistent with our engineering conventions.
Improve performanceviacaching, async patterns, distributed processing, and event-driven messaging.
Build cloud integrations across AWS and Azure (compute, storage, queues, observability). Both clouds are equally important.
Contribute to CI/CD pipelines, GitHub Actions workflows, automated testing, containerization (Docker), and deployment automation.
Uphold code quality, observability, structured logging, and operational excellence.

AI/ML Engineering

Design and ship AI/ML-powered backend features such as search ranking, recommendations, personalization, and intelligent listing experiences.
Build and operate RAG pipelines, vector search, embeddings stores, and LLM-powered services, integrated cleanly into our .NET ecosystem.
Build, extend, and maintain our MCP (Model Context Protocol) server, including designing MCP tools, managing context windows, and exposing backend capabilities to AI agents and assistants.
Integrate ML models into production via inference APIs, ranking services, gRPC endpoints, and personalization endpoints.
Use GA4 / Segment event data to power behavioral signals, personalization, and ranking features.
Evaluate and apply emerging AI tooling (LLM providers, agent frameworks, vector DBs) to solve real product problems.
Apply AI-assisted development tools (GitHub Copilot, Copilot Coding Agent, Copilot Spaces) in day-to-day engineering.

Who You Are

Backend Engineering

7+ years building production backend systems with .NET Framework and .NET Core / .NET 6+.
Strong expertise in REST API design, distributed systems, and microservices architecture.
Hands-on experience designing and operating gRPC services in production with Protocol Buffers(.proto), including service contracts, code generation, error handling, deadlines, and inter-service communication patterns.
Deep SQL Server experience: complex queries, indexing, stored procedures, and performance tuning.
Hands-on production experience with MongoDB and Elasticsearch.
Production experience on both AWS and Azure (compute, queues, storage, observability).
Solid grasp of Git/GitHub, CI/CD, Docker, automated testing, and DevOps fundamentals.
Experience with high-traffic, performance-sensitive consumer web platforms.

AI/ML Engineering

2+ years of hands-on experience shipping AI/ML features into production, such as ranking, personalization, recommendations, or LLM-powered services.
Strong working knowledge of LLMs, embeddings, vector databases, and RAG architectures.
Hands-on experience with MCP (Model Context Protocol), including designing and configuring MCP tools, managing context windows, and integrating MCP servers into backend services.
Experience integrating inference APIs and ML models into production backends.
Familiarity with prompt engineering, evaluation, and guardrails for LLM-based systems.
Experience with GA4 / Segment event data for personalization or ranking is a plus.
Exposure to Python ML tooling (LangChain, Hugging Face, SageMaker, Vertex AI,MLflow) is a plus.

Preferred Qualifications

Experience with search relevance, ranking, or recommendation systems at scale, especially on Elasticsearch.
Experience modernizing legacy .NET (Framework to .NET Core / .NET 8+) or migrating monoliths to gRPC-based, cloud-native architectures.
Familiarity with distributed caching (Redis), event-driven systems (Kafka / SNS / Azure Service Bus), API Gateways, and CQRS/MediatR.
Experience building MCP servers, AI agents, or internal AI developer tools.
Real estate, marketplace, or classifieds domain experience.

Tech Stack

Backend:  .NET Framework, .NET Core / .NET 8+, C#, ASP.NET Minimal APIs, gRPC, Protocol Buffers,MediatR
Databases:  SQL Server, MongoDB, Elasticsearch
Cloud:  AWS, Azure
AI/ML:  LLMs, RAG, Vector DBs, MCP (Model Context Protocol),LangChain,MLflow, Python (optional)
DevOps:  GitHub, GitHub Actions, Docker, CI/CD, observability tooling
Analytics:  GA4, Segment
Frontend (adjacent awareness):  Next.js, React, TypeScript

Why People Love Working Here

We offer meaningful work and opportunities for career growth
Competitive Salary
100% paid by Zonda health benefit package
100% Company paid Life Insurance coverage
Paid vacation and general holidays
Employee Assistance Program (EAP)
Live Meditation Sessions
Employee Recognition Platform
Virtual Wellness Program
100% Hybrid – and always will be!
Visionary Leadership Team

Inclusion & Equal Opportunity Employment

Zonda is proud to be an Equal Opportunity Employer committed to diversity, inclusion & belonging. Here at Zonda, we are interested in every qualified candidate who is eligible to work in Canada.

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More about this job

Responsibilities

Design, develop, and maintain backend services and AI/ML-powered features for real estate platforms. Work across various systems to ship features that impact millions of homebuyers.

Requirements

Candidates should have 7+ years of backend engineering experience with .NET and 2+ years of AI/ML feature development. Strong expertise in distributed systems, microservices, and cloud services is essential.

Skills

Backend Engineering
AI/ML Engineering
gRPC
Microservices
SQL Server
MongoDB
Elasticsearch
AWS
Azure
C#
REST APIs
DevOps
Docker
CI/CD
LLMs
Personalization

Benefits

Health Insurance
Life Insurance
Paid Vacation
Employee Assistance Program
Virtual Wellness Program

Visa sponsorship

Not detected in the job text

Keywords

Backend Engineering
AI/ML
gRPC
Microservices
SQL Server
MongoDB
Elasticsearch
AWS
Azure
C#
REST APIs
DevOps
Docker
CI/CD
LLMs
Personalization
Search Ranking
Recommendations
Behavioral Signals
Event Data
MCP
Vector Databases
Prompt Engineering
GitHub Actions
Observability
Caching
Distributed Processing
Event-Driven Messaging
High-Traffic Platforms
Real Estate

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