Backend Developer Jobs in Toronto

Backend Developer jobs in Toronto hiring now at vetted startups and product companies on Alion, updated daily. Average salary around $191,283/year. Compare remote, hybrid and on-site positions with relocation and visa sponsorship. Browse and apply today.

Toronto
AI/ML
Data Science
Backend
Frontend
Mobile
DevOps
Web3
Games
Hardware
Robotics
Security
QA
Executive
Networking
Product
Design
Analytics
Support
Enterprise Apps
Quantum

Agiloft

agiloft.com
We are on a mission to deliver Contract Lifecycle Management without limitations through agility, seamless extensibility, and deep expertise in order to transform contracts into relationships.
agiloft.com • Artificial Intelligence • Financial Services • Data & Analytics • Est. 2003
Artificial Intelligence • Financial Services • Data & Analytics • Est. 2003
Open 115 daysVerified live · 9 hours ago 4 months ago

Sr Software Engineer- Fullstack

$99k – $194k per year (Estimated) • Senior • 5+ years exp • Remote (Canada) • Full-Time • Senior
Python
TypeScript
Databases
DynamoDB
AI/ML
Copilot
Cursor
DevOps
AWS
AWS Lambda
API Gateway
GitHub
Apply
Report

Spellbook

spellbook.com
Spellbook is the #1 AI contract review platform for transactional lawyers. It uses GPT-5, Claude, and other LLMs to help legal teams draft and review contracts 10x faster, with greater precision—right in Microsoft Word
spellbook.com • HQ: Toronto, Canada • Natural Language Processing • LLM & Generative AI • Artificial Intelligence
HQ: Toronto, Canada • Natural Language Processing • LLM & Generative AI • Artificial Intelligence
Open 115 days 4 months ago

Forward Deployed Engineer

$123k – $154k per year • Equity • Middle • 3+ years exp • Remote (Canada) • Full-Time • Middle
JavaScript
Node JS
TypeScript
AI/ML
Copilot
LLM
RAG
Anthropic
OpenAI
Frontend
tRPC
DevOps
AWS
Azure
GCP
Docker
Cybersecurity
SOC 2
Apply
$123k – $159k per year • Equity • Senior • Remote (Canada) • Full-Time • Senior
Node JS
TypeScript
JavaScript
Node JS
BullMQ
AI/ML
Copilot
Frontend
tRPC
esbuild
Vite
DevOps
AWS
CI/CD
Datadog
Apply
Open 562 days 1 year ago

Software Engineer

$101k – $137k per year • Equity • Senior • 5+ years exp • Remote (Canada) • Full-Time • Senior
TypeScript
JavaScript
AI/ML
Copilot
LLM
Anthropic
OpenAI
Frontend
React.js
tRPC
esbuild
Vite
DevOps
AWS
Docker
Apply
Report

Directive

directiveconsulting.com
The world's largest tech brands trust the global team at Directive Consulting to bring their performance marketing campaign results to life. Directive's proven Customer Generation methodology has generated +$1B in revenue for clients in the last 1...
directiveconsulting.com • Irvine • Columbus • Raleigh • Chicago • Salt Lake City • Cloud Computing • Creative Agencies • Sales & Marketing • Est. 2013
Irvine • Columbus • Raleigh • Chicago • Salt Lake City • Cloud Computing • Creative Agencies • Sales & Marketing • Est. 2013
Open 115 daysVerified live · 9 hours ago 4 months ago

Full-Stack Software Engineer, AI-Enabled Platform (Remote Canada)

$100k – $196k per year (Estimated) • Senior • 5+ years expVancouverTorontoOttawaCalgaryMontreal • Remote (Canada) • Full-Time • Senior
Node JS
TypeScript
JavaScript
SQL
Node JS
BullMQ
Knex.js
Databases
Google BigQuery
MySQL
PostgreSQL
Supabase
AI/ML
Claude
Claude Code
Copilot
Cursor
LLM
Function Calling
Anthropic
LLM Guardrails
OpenAI
Structured Outputs
Frontend
React.js
Radix UI
D3.js
GraphQL
Next.js
Recharts
Remix
shadcn/ui
Tailwind CSS
visx
DevOps
Amazon EC2
AWS
CI/CD
Docker
GitHub Actions
Nginx
GitHub
AWS Lambda
Amazon S3
IAM
Cybersecurity
Least Privilege
ISO 27001
SOC 2
Design
Figma
Marketing
Google Ads
HubSpot
Salesforce
GA4
LinkedIn Ads
Apply
Report

Borrowell

borrowell.com
Borrowell is a Canadian fintech founded in 2014 and headquartered in Toronto. It offers free credit scores and matches users with financial products. The service has more than three million members.
borrowell.com • HQ: Toronto, Canada • Est. 2014
HQ: Toronto, Canada • Est. 2014
Open 117 daysVerified live · 11 hours ago 4 months ago

Software Developer

$79k – $195k per year (Estimated)Remote/Hybrid (Toronto, Canada) • Full-Time
JavaScript
SQL
TypeScript
Frontend
React.js
Next.js
Turborepo
Mobile
React Native
DevOps
Azure
Cybersecurity
Auth0
Apply
Report

Acquird.io

acquird.io
acquird.io • Toronto • Information Technology
Toronto • Information Technology
Open 118 days 4 months ago

Senior/Staff Python Developer

$108k – $144k per year • Staff+ • 8+ years expIn office (Toronto, Canada) • Full-Time • Staff
Python
JavaScript
Python
Django
Flask
Frontend
GraphQL
HTMX
DevOps
Rest API
GCP
Apply
Open 692 days 2 years ago

Senior Full Stack Engineer (React, Python)

$94k – $130k per year • Senior • 6+ years expIn office (Toronto, Canada) • Full-Time • Senior
JavaScript
Python
TypeScript
Python
Django
Frontend
React.js
DevOps
CI/CD
Azure
Apply
Report

Waabi

waabi.ai
Waabi is an artificial intelligence and autonomous vehicle technology company headquartered in Toronto, Canada, founded in 2021. The company develops an end-to-end artificial intelligence software platform, known as the Waabi Driver, and a simulation environment called Waabi World to power autonomous trucks and robotaxis. It operates primarily in the North American logistics and transportation sectors through strategic partnerships with industry leaders such as Volvo, Uber Freight, and NVIDIA.
waabi.ai • HQ: Toronto, Canada • Supply Chain • Robotics AI • Simulation & Digital Twin • Software • Road Transport • Transportation & Logistics • Artificial Intelligence • Autonomous Driving • 201-500 employees • Est. 2021
HQ: Toronto, Canada • Supply Chain • Robotics AI • Simulation & Digital Twin • Software • Road Transport • Transportation & Logistics • Artificial Intelligence • Autonomous Driving • 201-500 employees • Est. 2021
Open 128 daysVerified live · 2 hours ago 5 months ago

Senior / Staff Software Engineer, High-Performance Onboard Algorithms

$144k – $235k per year (Estimated) • Staff+ • Remote/Hybrid (Toronto, Canada) • Full-Time • Staff
C++
Mojo
Rust
AI/ML
Computer Vision
CUDA
CUDA Toolkit
OpenCL
DevOps
Vector
Apply
Open 130 daysVerified live · 2 hours ago 5 months ago

Software Engineer, Labelling, Data & Automation

$74k – $179k per year (Estimated) • Middle • 4+ years expRemote/Hybrid (Toronto, Canada) • Bachelor's Degree • Full-Time • Middle
Python
AI/ML
Airflow
Hadoop
Spark
DevOps
AWS
CloudFormation
Terraform
AWS Step Functions
Apply
Open 157 daysVerified live · 2 hours ago 6 months ago

Senior Software Engineer, Evaluation Infrastructure

$85k – $187k per year (Estimated) • Senior • 2+ years expRemote/Hybrid (Toronto, Canada) • Bachelor's Degree • Full-Time • Senior
Python
Analytics
ETL/ELT
Apply
Report

Mural

mural.co
Mural is a SaaS company that builds a collaborative digital workspace for teams who need to think together, plan work, and make decisions when they are not in the same room. Its product centres on a visual canvas where people can map ideas, run workshops, and turn discussions into structured outcomes. The problem it tackles is a familiar one for modern organisations, keeping collaboration clear and inclusive across distributed teams, while avoiding the confusion that can come from long video calls, scattered documents, and decisions that only exist in someone’s notes.
mural.co • Professional Services • Communication & Collaboration • Artificial Intelligence • 51-200 employees
Professional Services • Communication & Collaboration • Artificial Intelligence • 51-200 employees
Open 129 daysVerified live · 1 day ago 5 months ago

Senior Software Engineer, Canvas Core

$52k – $119k per year (Estimated) • Senior • 6+ years exp • Remote (Argentina, United Kingdom, Canada) • Full-Time • Senior
JavaScript
Node JS
TypeScript
AI/ML
AI Agents
Frontend
React.js
Apply
Report

Xsolla

xsolla.com
Xsolla is a global video game commerce company that provides specialized financial and operational tools tailored for the gaming industry. The firm helps game developers and publishers fund, launch, market, and monetize their titles across PC, mobile, web, and cloud platforms. By operating as a merchant of record with support for over 1,000 local payment methods, it enables direct-to-consumer sales and seamless cross-border transactions for gaming studios worldwide.
xsolla.com • HQ: Los Angeles, United States • Financial Services • Payments • Game Development • Gaming • 1001-5000 employees • Est. 2006
HQ: Los Angeles, United States • Financial Services • Payments • Game Development • Gaming • 1001-5000 employees • Est. 2006
Open 129 daysVerified live · 11 hours ago 5 months ago

Full-Stack Engineer

$65k – $83k per year • Junior • 2+ years expMontreal • Remote (Canada) • Full-Time • Junior
Go
JavaScript
Databases
Apache Kafka
ClickHouse
PostgreSQL
Redis
Frontend
React.js
Mobile
React Native
DevOps
CI/CD
Docker
Kubernetes
AWS
Azure
GCP
Apply
Open 131 dayVerified live · 11 hours ago 5 months ago

Tech Lead - Fullstack

$77k – $154k per year (Estimated) • Lead • 5+ years exp • Remote (Canada, Serbia) • Full-Time • Staff
Go
JavaScript
TypeScript
Databases
Apache Kafka
DynamoDB
MySQL
NATS
PostgreSQL
RabbitMQ
Redis
Frontend
React.js
Redux
Zustand
GraphQL
Mobile
State Management
DevOps
AWS
Azure
CI/CD
Datadog
Docker
GCP
Grafana
gRPC
Kubernetes
Prometheus
Pulumi
Terraform
AWS Lambda
WebSockets
Apply
Open 199 daysVerified live · 11 hours ago 7 months ago

Senior Backend Engineer

$101k – $115k per year • Senior • 5+ years expMontreal • Remote (Canada) • Full-Time • Senior
Go
Databases
Apache Kafka
ClickHouse
PostgreSQL
Redis
DevOps
CI/CD
Docker
Kubernetes
AWS
Azure
GCP
Apply
Report

Altaml

altaml.ai
altaml.ai • Edmonton • Dallas • Calgary • Toronto
Edmonton • Dallas • Calgary • Toronto
Open 130 daysVerified live · 1 day ago 5 months ago

Senior Full Stack Software Engineer

$94k – $108k per year • Senior • 5+ years expRemote/Hybrid (Toronto, Canada) • Full-Time • Senior
AI Agents
Claude
Claude Code
LLM
Function Calling
LLM Evaluation
Model Context Protocol
OpenAI Agents SDK
DevOps
Azure
Docker
QA
Postman
Apply
Report

Huzzle

huzzle.app
Huzzle is an early careers platform connecting students, societies, and employers. Starting out as a CRM for pre-professional student societies, Huzzle has evolved into the university career companion used by over 100,000 talents in the UK.
huzzle.app • HQ: London, United Kingdom • Professional Services • Education • Human Resources • 1001-5000 employees
HQ: London, United Kingdom • Professional Services • Education • Human Resources • 1001-5000 employees
Open 131 dayVerified live · 1 day ago 5 months ago

Go-To-Market Engineer

$124k – $254k per year (Estimated) • Junior • 2+ years exp • Remote (United States, United Kingdom, Canada) • Full-Time • Junior
SQL
Analytics
A/B Testing
Management
Zapier
Marketing
HubSpot
Salesforce
Apply
Open 139 daysVerified live · 1 day ago 5 months ago

Full-stack Developer

Senior • 5+ years exp • Remote (United States, India, United Kingdom, Australia, Brazil) • Full-Time • Senior
Go
TypeScript
JavaScript
Databases
PostgreSQL
Supabase
Frontend
React.js
Web3
Smart Contracts
Apply
Open 180 daysVerified live · 1 day ago 6 months ago

Full-Stack Developer (Python, React, AI)

Remote (United States, United Kingdom, Australia, Canada, Colombia) • Full-Time
Python
JavaScript
Python
FastAPI
AI/ML
Claude
Claude Code
Frontend
React.js
Mobile
Clean Architecture
DevOps
AWS
GitHub
Apply
Report

Mainspring Energy

mainspringenergy.com
Mainspring Energy is engineering advanced technology by developing a prototype of a linear generator that converts fuel to electricity. Mainspring was founded in 2010 by three Stanford engineers- Shannon Miller, Adam Simpson, and Matt Svrcek. T...
mainspringenergy.com • Menlo Park • Washington • Houston • Monterrey • Columbus • Information Technology • Data Centers
Menlo Park • Washington • Houston • Monterrey • Columbus • Information Technology • Data Centers
Open 132 daysTop 25% pay 5 months ago

Principal Software Architect - AI & Security

$228k – $280k per year • Lead • Menlo Park • Remote (United States, Canada) • Architect
AI Agents
Vertex AI
LLM Guardrails
DevOps
GCP
AWS
Cybersecurity
ISO 27001
SOC 2
Robotics
Digital Twin
Apply
Report

DuckDuckGo

duckduckgo.com
DuckDuckGo is an independent American software company headquartered in Paoli, Pennsylvania. The company is private held with a team of passionate people from over 15 counties.
duckduckgo.com • Singapore • Search Engines • Est. 2008
Singapore • Search Engines • Est. 2008
Verified live · 2 days ago 5 months ago

Senior Backend Engineer

$179k per year • Equity • Senior • 7+ years exp • Remote (United States, Canada, United Kingdom) • Full-Time • Senior
Go
Node JS
Perl
JavaScript
AI/ML
AI Agents
ChatGPT
Claude
Prompt Engineering
RAG
Apply
Report

The Voleon Group

voleon.com
The Voleon Group is a premier quantitative investment management firm headquartered in Berkeley, California, that specializes in machine learning-driven trading strategies. Founded in 2007 by scientists Michael Kharitonov and Jon McAuliffe, the hedge fund combines advanced data science, statistical modeling, and computational AI to forecast financial markets and execute systematic algorithmic trades.
voleon.com • HQ: Berkeley, United States • Machine Learning • Financial Services • Asset Management
HQ: Berkeley, United States • Machine Learning • Financial Services • Asset Management
Top 25% payVerified live · 6 hours ago 6 months ago

Senior Software Engineer, Execution Engineering

$225k – $255k per year • Senior • 5+ years expBerkeleyNew York • Remote (United States, Canada) • Bachelor's Degree • Full-Time • Senior
AWS
Azure
CloudFormation
Docker
GCP
Grafana
Kubernetes
Prometheus
Terraform
Amazon CloudWatch
Apply
Report

Fuku

eatfuku.com
Fuku is a fast-casual restaurant concept founded by chef David Chang that specializes in Asian- and Southern-inspired spicy fried chicken. Originating from a secret menu item at Momofuku Noodle Bar in New York, the brand has grown into a standalone culinary concept known for its signature chicken sandos, tenders, and sides. Today, Fuku operates through brick-and-mortar locations, major sports arenas, airports, and high-traffic venues across the United States.
eatfuku.com • HQ: New York, United States • Delivery • Food & Beverages • Catering & Food Services • 501-1000 employees
HQ: New York, United States • Delivery • Food & Beverages • Catering & Food Services • 501-1000 employees
Open 168 daysVerified live · 2 hours ago 6 months ago

Lead Rust Engineer

$152k – $303k per year (Estimated) • Lead • New York • Remote (United States, Canada) • Full-Time • Staff
Go
Rust
TypeScript
DevOps
GCP
Kubernetes
Terraform
Apply
Report

Codewars

codewars.com
Codewars is where developers achieve code mastery through challenge. Train on kata in the dojo and reach your highest potential.
codewars.com • Education • Database Management • Skill Assessment
Education • Database Management • Skill Assessment
Open 179 daysVerified live · 9 hours ago 6 months ago

Staff Fullstack Engineer

$183k – $380k per year (Estimated) • Staff+ • 7+ years exp • Remote (Africa, North America) • Full-Time • Staff
JavaScript
Ruby
Ruby
RSpec
Ruby on Rails
Sidekiq
Databases
MySQL
PostgreSQL
Frontend
React.js
DevOps
AWS
CI/CD
Docker
GCP
Heroku
Kubernetes
Web3
Rollup
Apply
Report

Andromeda

andromeda.ai
Andromeda connects AI teams with high-performance compute fast, at scale, and on terms that work. Buy, sell, and operate gpu clusters without complexity.
andromeda.ai • San Francisco • AI Infrastructure
San Francisco • AI Infrastructure
Open 193 daysVerified live · 8 hours ago 7 months ago

Software Engineer - AI Infrastructure

$104k – $203k per year (Estimated) • Senior • 5+ years expSan Francisco • Remote (United States, Canada) • Full-Time • Senior
Go
Python
DevOps
Ansible
Helm
Kubernetes
Terraform
Apply
Report

Betr

betr.app
Betr is the world's first real money gaming super app. Download today and dive into the action across daily fantasy, social sportsbook, social casino, and arcade.
betr.app • Miami • Smartphones • Mobile Games
Miami • Smartphones • Mobile Games
Open 193 daysVerified live · 1 day ago 7 months ago

Senior Backend Engineer (PHP/Python)

$95k – $186k per year (Estimated) • Senior • 7+ years exp • Remote (Canada) • Full-Time • Senior
PHP
Python
SQL
Java
Kotlin
PHP
Laravel
DevOps
AWS
CI/CD
Docker
Kubernetes
Apply
Report

Copilotkit

copilotkit.ai
The Enterprise-Ready Frontend Stack for Agents. CopilotKit lets you integrate LLMs or agents with real-time context, UI control, and full flexibility.
copilotkit.ai • Seattle • Web Development • Software • AI Agents
Seattle • Web Development • Software • AI Agents
$141k – $235k per year (Estimated) • Senior • 3+ years expSeattle • Remote (United States, Canada) • Senior
Python
TypeScript
Python
Pydantic
AI/ML
LangChain
LlamaIndex
AI Agents
Apply
Report

OpenProject.org

openproject.org
Achieve great things together We empower project teams to achieve great things together for the good of society. OpenProject is targeted at organizations that want to positively impact the world.
openproject.org • Financial Services • Software • Project Management
Financial Services • Software • Project Management
Open 206 daysVerified live · 12 hours ago 7 months ago

Senior Ruby on Rails Developer

$89k – $217k per year (Estimated) • Senior • Remote • PhD • Full-Time • Senior • German • English
JavaScript
Ruby
TypeScript
Ruby
Ruby on Rails
Stimulus
Frontend
Angular
React.js
DevOps
CI/CD
GitHub
Apply
Report

Gptzero

gptzero.me
Best free AI detector - simply paste your text to instantly get an overall AI score and advanced sentence by sentence detection.
gptzero.me • New York • Toronto • Natural Language Processing • LLM & Generative AI • Artificial Intelligence • 51-200 employees • Est. 2023
New York • Toronto • Natural Language Processing • LLM & Generative AI • Artificial Intelligence • 51-200 employees • Est. 2023
Open 206 daysVerified live · 11 hours ago 7 months ago

Software Developer in Test

$75k – $182k per year (Estimated) • Middle • 3+ years expRemote/Hybrid (Toronto, Canada) • Master's Degree • Full-Time • Middle • English: C1
JavaScript
AI/ML
Perplexity
DevOps
AWS
Apply
Report
Backend Developer Jobs in Toronto
Frequently asked questions
How many Backend Developer jobs in Toronto are available on Alion?
There are currently 348 active listings from 118 hiring companies on Alion, refreshed daily.
What salary do Backend Developer jobs in Toronto pay?
The average salary is around $191,283 per year based on the current listings.
Are remote options available for Backend Developer jobs in Toronto?
Yes, many of these roles offer remote or hybrid work, and you can filter listings by remote, relocation and visa sponsorship.
How do I apply for Backend Developer jobs in Toronto?
Open any listing on Alion and apply directly with the employer through the provided link - no lengthy sign-up required.