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Added 5 months ago
A
Senior Software Engineer, CMS (Modernization of Registry)
AutoScout24
Toronto, Ontario
- Full-time
Solid understanding of SQL Server and relational data modeling (managed database experience a plus)
Added 1 month ago
I
Sr. Staff Developer, Architecture
iQmetrix
Winnipeg, MB
- Full-time
We are hiring a Principal Engineer, Architecture. This is a senior individual contributor role for someone who is still happiest with their hands on the keyboard, and who thinks in systems…
Added 1 month ago
I
Sr. Staff Developer, Architecture
iQmetrix
Toronto, ON
- Full-time
We are hiring a Principal Engineer, Architecture. This is a senior individual contributor role for someone who is still happiest with their hands on the keyboard, and who thinks in systems…
Added 1 month ago
I
Sr. Staff Developer, Architecture
iQmetrix
Vancouver, BC
- Full-time
We are hiring a Principal Engineer, Architecture. This is a senior individual contributor role for someone who is still happiest with their hands on the keyboard, and who thinks in systems…
Added 1 month ago
I
Sr. Staff Developer, Architecture
iQmetrix
Winnipeg, MB
- Full-time
We are hiring a Principal Engineer, Architecture. This is a senior individual contributor role for someone who is still happiest with their hands on the keyboard, and who thinks in systems…
Added 1 month ago
I
Sr. Staff Developer, Architecture
iQmetrix
Vancouver, BC
- Full-time
We are hiring a Principal Engineer, Architecture. This is a senior individual contributor role for someone who is still happiest with their hands on the keyboard, and who thinks in systems…
Added 1 month ago
I
Sr. Staff Developer, Architecture
iQmetrix
Toronto, ON
- Full-time
We are hiring a Principal Engineer, Architecture. This is a senior individual contributor role for someone who is still happiest with their hands on the keyboard, and who thinks in systems…
Added 5 months ago
Z
Senior Backend Engineer (.NET & AI/ML)
Zonda
Toronto, Ontario
- $110,000 to $130,000 CAD / year
- Full-time
Build and optimize data layers across SQL Server, MongoDB, and Elasticsearch, including indexing, query tuning, sharding, and relevance tuning.
Added 5 months ago
Z
Senior Backend Engineer (.NET & AI/ML)
Zonda
Montreal, Quebec · Greater Montreal Metropolitan Area
- $110,000 to $130,000 CAD / year
- Full-time
Build and optimize data layers across SQL Server, MongoDB, and Elasticsearch, including indexing, query tuning, sharding, and relevance tuning.
Added 5 months ago
Z
Senior Backend Engineer (.NET & AI/ML)
Zonda
Vancouver, British Columbia
- $110,000 to $130,000 CAD / year
- Full-time
Build and optimize data layers across SQL Server, MongoDB, and Elasticsearch, including indexing, query tuning, sharding, and relevance tuning.
Added 6 months ago
S
Technical Engineer, Healthcare IT & PACS/Spécialiste technique, TI en santé et PACS
Sectra
Montreal, Quebec
- Full-time
Perform independent installation and configuration of Windows-based servers, MS SQL Server instances, enterprise applications, and Active Directory integrations within Sectra’s imaging…
Added 6 months ago
S
Technical Engineer, Healthcare IT & PACS/Spécialiste technique, TI en santé et PACS
Sectra
Mississauga, Ontario
- Full-time
Perform independent installation and configuration of Windows-based servers, MS SQL Server instances, enterprise applications, and Active Directory integrations within Sectra’s imaging…
Added 6 months ago
P
Senior Software Engineer
PointClickCare
Mississauga, Ontario
- $142,000 to $158,000 CAD / year
- Full-time
In-depth knowledge of relational databases (e.g. Microsoft SQL Server, MySQL)
Added 1 month ago
R
Principal Data Science and AI Engineer
RBC
Toronto, ON
- Full-time
Engineer, design, and enable the development of platform services that enable autonomous AI agents to interact with infrastructure systems like OpenShift, SQL Server, Apigee, Kafka,…
Added 1 month ago
RB
Principal Data Science and AI Engineer
Royal Bank of Canada
Toronto, ON
- Full-time
Engineer, design, and enable the development of platform services that enable autonomous AI agents to interact with infrastructure systems like OpenShift, SQL Server, Apigee, Kafka,…
Added 1 month ago
R
Principal Data Science and AI Engineer
RBC
Toronto, ON
- Full-time
Engineer, design, and enable the development of platform services that enable autonomous AI agents to interact with infrastructure systems like OpenShift, SQL Server, Apigee, Kafka,…
Added 4 months ago
R
Senior .NET Developer
Rentsync
Toronto, ON
- $100,000 to $120,000 CAD / year
As our Senior .NET Developer you’ll architect and ship cloud-native APIs on .NET 8+ and Azure, set the engineering standard across the team, and lead how we put AI development tools to work…
Added 4 months ago
U
Tech Lead, Software Development
Univeris
Toronto, Ontario
- Full-time
At Univeris, a Software Development Technical Team Lead is a hands-on senior software engineer and people manager, accountable for the technical design, development, quality of…
Added 1 month ago
Senior Back-End - .NET, API, AI Ready
Capco
Toronto, ON
Working proficiency in React, SQL Server, Docker, and data access technologies such as Dapper and/or Entity Framework Core.
Added 4 months ago
BC
Senior Business Intelligence Engineer
BFL CANADA
Montreal, Quebec
- Full-time
As a Senior Business Intelligence Engineer, you will design and deliver scalable BI solutions that enable data-driven decision-making across the organization. This is a hands-on role with a…
Added 5 months ago
C++ Developer
Glint Tech Solutions LLC
Toronto, Ontario
We are partnering with one of Canada's leading institutional investors to find a Senior C++ Engineer who will directly impact global trade activities and deliver long-term value to 20M+…
Added 2 months ago
Senior Software Engineer, CMS (Modernization of Registry)
AutoTrader.ca
Toronto, ON
Solid understanding of SQL Server and relational data modeling (managed database experience a plus)
Added 5 months ago
HM
Senior Backend Engineer (.NET & AI/ML)
HW Management Inc
Vancouver, British Columbia · Toronto, Ontario · Alberta
- $110,000 to $130,000 CAD / year
- Full-time
Build and optimize data layers across SQL Server, MongoDB, and Elasticsearch, including indexing, query tuning, sharding, and relevance tuning.
Added 6 months ago
A
Senior Software Engineer, Analytics and Reporting Solutions ⭐
Achievers
Toronto, ON
- Full-time
Our Data Intelligence team builds backend services that turn data from our SaaS platform into high-value, actionable insights for our customers. We’re transforming the way data is used at…
Added 6 months ago
Senior Application Support Engineer (Trading & Market Data)
Solactive AG
Toronto, Ontario
…You will support and enhance our proprietary index and market‑data platforms across distributed Linux environments, ensuring stability, accuracy, and operational…

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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