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Added 6 months ago
K
Senior Software Engineer, AI
Klue
Toronto, Ontario
- $145,000 to $183,000 CAD / year
- Full-time
…code. You're comfortable with Python and have experience with backend frameworks, APIs, and production infrastructure. You care about reliability, observability, and…
Added 6 months ago
K
Senior Software Engineer, AI (Agents)
Klue
Vancouver, British Columbia
- $145,000 to $183,000 CAD / year
- Full-time
…code. You're comfortable with Python and have experience with backend frameworks, APIs, and production infrastructure. You care about reliability, observability, and…
Added 1 month ago
C
Senior Test Automation Engineer – AI Testing
Cognizant
Montreal, QC
- Full-time
Coordonner les tests de régression liés aux mises en production de la plateforme, aux correctifs et aux modifications d'infrastructure. Assurer la stabilité et la rétrocompatibilité, en…
Added 1 month ago
FA
Senior Software Engineer
Fastbreak AI
Remote, Canada
- Full-time
- Remote
As a Senior Full Stack Engineer, you'll design and ship high-performance web applications across our React/Next.js frontend and Node.js/Express backend with real autonomy. You'll make…
Added 1 month ago
V
Staff Engineer
Vantage
Remote, Canada
- $180,000 to $220,000 CAD / year
- Full-time
- Remote
Very deep knowledge of a full production stack: frontend, backend, infrastructure, and data. You can explain how a choice in one layer shows up as a problem in another, and you design…
Added 6 months ago
F
Full Stack Engineer, Early Career
Feathery
Toronto, Ontario
- Full-time
We’re hiring a Full Stack Engineer to help build and scale core product capabilities end-to-end. This role is ideal for someone early in their career who enjoys owning features across the…
Added 6 months ago
AS
Senior Software Engineer, Computation
Aurora Solar
Remote, Canada
- $126,000 to $187,000 CAD / year
- Full-time
- Remote
As a Senior Software Engineer on the System Design Pod, you'll help build the next generation of PV and storage design tools at Aurora. You'll lead technical features from discovery through…
Added 6 months ago
SV
Principal Engineer - Stackpoint Ventures
Stackpoint Ventures
Remote, Canada
- Full-time
- Remote
As a Principal Engineer, you are the person who builds. You'll typically embed with a single portfolio company for several months at a time - architecting, coding, and shipping backend…
Added 3 months ago
II
DevOps Engineer – HostPilot / Control Panel
Intermedia Intelligent Communications
Remote, Canada
- $80,000 to $100,000 CAD / year
- Full-time
- Remote
The team also supports core backend services and integrations around Control Panel, including synchronization, directory, notifications, Partner Portal integrations, BFF services,…
Added 1 month ago
Machine Learning Engineer
Stripe
Toronto, ON
Stripe is a financial infrastructure platform for businesses. Millions of companies - from the world’s largest enterprises to the most ambitious startups - use Stripe to accept payments,…
Added 1 month ago
C
Lead Software Engineer (.NET)
Comm100
Vancouver, BC
- $115,000 to $155,000 CAD / year
- Full-time
We’re looking for a Lead Software Engineer (.NET) who wants to do more than write great code.
Added 1 month ago
D
Senior Product Engineer I - Automation
Docebo
Remote, Canada
- $102,800 to $137,000 CAD / year
- Full-time
- Remote
…role, you will architect, build, and scale business-critical backend systems in Go and PHP that seamlessly onboard millions of users. You'll serve as the primary technical advisor and force…
Added 6 months ago
K
Founding Engineer
KixCare
Remote, Canada
- $170,000 to $220,000 CAD / year
- Full-time
- Remote
Design and build the KixCare platform from scratch - patient-facing web and mobile experiences, clinician tools, backend services, and the infrastructure that holds it all together
Added 1 month ago
E
Founding Fullstack Engineer
Eklan
Toronto, ON
- $61,000 to $142,000 CAD / year
- Full-time
Eklan is building the communication-performance infrastructure for the multilingual global workforce.
Added 1 month ago
Software Engineer, Tokenization
Robinhood
Toronto, ON
As a Software Engineer, you'll build and own backend services that make tokenized equities work end to end - issuance, custody, and settlement on-chain, kept in sync with traditional…
Added 1 month ago
Senior Software Engineer, Tokenization
Robinhood
Toronto, ON
…the intersection of blockchain technology, financial market infrastructure, and modern distributed systems - with a focus on accessibility, security, and scalability. Equity markets have…
Added 4 months ago
J
Principal Software Engineer - Canada
JobGet
Remote, Canada
- $160,000 to $190,000 CAD / year
- Full-time
- Remote
We are looking for an exceptional and ambitious engineer who enjoys architecting systems, working in an agile start-up development environment, and leveraging AI to redefine engineering…
Added 3 months ago
DS
Backend Engineer
Devoted Studios
Remote, Canada
- Remote
We are looking for a Backend Engineer with strong Java and C++ experience to work on backend systems supporting game functionality and the client/server interface.
Added 3 months ago
MY
Senior Software Engineer, Health Data
Molecular You Co
Vancouver, BC
- Full-time
…actionable insight for everyday people. We're looking for a senior engineer to own platform quality - consistency across services, thoughtful tech adoption, security and compliance, and…
Added 1 month ago
Senior Full Stack Software Engineer – Acquisitions and Activation (Auth0)
Okta
Toronto, ON
We bridge the gap between deep technical infrastructure and user psychology, building primarily on a JavaScript ecosystem (Node.js and React). If you are a full-stack engineer who loves…
Added 3 months ago
O
Senior Software Engineer, Mobile Platform - Guest App (Remote, Canada)
Owner.com
Remote, Canada
- Full-time
- Remote
We’re looking for a senior engineer who gets excited about operating at real scale - not just shipping a single mobile app, but owning the platform and distribution system behind thousands…
Added 3 months ago
M
Senior Software Engineer
Morningstar
Toronto, Ontario
- Full-time
As a Senior Software Engineer, you will work closely with product owners, engineering teams, and technical leads on our next generation data feed platform. This role is primarily focused on…
Added 1 month ago
S
Staff Software Engineer, Dashboard Product
Stripe
Canada
- Full-time
Stripe is a financial infrastructure platform for businesses. Millions of companies - from the world's largest enterprises to the most ambitious startups - use Stripe to accept payments,…
Added 1 month ago
S
Staff Software Engineer, Dashboard Product
Stripe
Toronto, ON
- Full-time
Stripe is a financial infrastructure platform for businesses. Millions of companies - from the world's largest enterprises to the most ambitious startups - use Stripe to accept payments,…
Added 1 month ago
WT
Senior Software Developer, Post-Trade Management
Wealthsimple Technologies
Remote, Canada
- $151,200 to $189,000 CAD / year
- Full-time
- Remote
Read on if you're an engineer who wants to deep dive into a complex domain and isn’t satisfied unless you understand exactly how everything works. This is your opportunity to leave your…

Fastbreak AI

Senior Software Engineer

Remote, Canada

Remote

Full-time

Apply About employer

Applications open in a new tab.

Job details

Job type: Full-time
Workplace: Remote
Posting language: English
Posted: Sep 10, 2026

Original job description

As a Senior Full Stack Engineer, you'll design and ship high-performance web applications across our React/Next.js frontend and Node.js/Express backend with real autonomy. You'll make architectural calls, explain the tradeoffs behind them, and stand behind them in review. You'll work directly with product managers and stakeholders to shape requirements, not just receive them. And you'll help raise the bar for the engineers around you through mentorship and thorough code review.

You won't be handed a ticket queue. You'll help decide what gets built, how it gets built, and why, then own that decision end-to-end. At Fastbreak AI, engineering isn't downstream of product; it's at the table shaping it. This is a role for someone who gets energized by complexity, cares about craft, and wants their fingerprints on the architecture of a product that's changing how sports organizations operate.

Responsibilities

Design and develop scalable, high-performance web applications using React, Next.js, and Express
Own architectural decisions and be able to articulate the reasoning and tradeoffs behind them
Integrate AI and LLM-powered features into production applications thoughtfully and with an eye toward reliability and user impact
Collaborate with product managers and stakeholders to shape technical requirements from the ground up
Diagnose and resolve complex bugs across the full stack
Champion engineering best practices and help define how the team works at its best

Strong proficiency with React.js and Next.js on the frontend
Solid Node.js and Express.js experience on the backend
Hands-on experience with AWS services (EC2, S3, Lambda, or similar)
Experience designing and consuming RESTful APIs and working within a microservices architecture
Comfort with Git-based workflows and CI/CD practices
Active use of AI coding tools (Copilot, Cursor, Claude, or similar) as part of your day-to-day workflow
A track record of making and defending architectural decisions, not just implementing them
Clear communication skills; you can translate technical tradeoffs for non-technical stakeholder
Nice to Have:
- Experience building or integrating LLM-powered features in production (RAG pipelines, agent workflows, evaluation frameworks)
- Familiarity with sports tech, real-time data pipelines, or performance-sensitive consumer applications
- Experience with infrastructure-as-code or deployment automation

Location

Candidate can be located in London Ontario with occasional travel to our Charlotte office.

Why Join Us?

Work with repeat exit founders who have successfully built and scaled startups.
Work with cutting-edge technology and make a direct impact on product innovation.
Be part of a fast-growing startup with an agile and dynamic environment.
Collaborate with top talent across engineering, product, and marketing teams.
Gain exposure to customer interactions and shape product experiences based on real-world feedback.

Competitive salary and equity package.
Comprehensive health, dental, and vision benefits.
A 401(k) plan with employer matching.

Submit your resume, portfolio/GitHub profile, and a brief cover letter explaining why you're a great fit for this role. We look forward to hearing from you!

We are an equal opportunity employer. Fastbreak AI complies with all applicable federal, state and local laws regarding recruitment and hiring. All qualified applicants are considered for employment without regard to race, color, religion, age, sex, sexual orientation, gender identity, national origin, citizenship status, disability, protected veteran status, or any other category protected by applicable federal, state, or local laws.

Apply About employer

More about this job

Responsibilities

Design and develop scalable, high-performance web applications while owning architectural decisions and tradeoffs. Collaborate with product managers to shape technical requirements and integrate AI-powered features into production.

Requirements

Requires strong proficiency in React, Next.js, Node.js, and Express, along with hands-on experience in AWS and microservices architecture. Candidates must demonstrate a track record of making architectural decisions and possess clear communication skills for stakeholder collaboration.

Skills

React.js
Next.js
Node.js
Express.js
AWS
RESTful APIs
Microservices
Git
CI/CD
AI coding tools
LLM integration
System architecture
Mentorship
Technical communication
Full stack development

Benefits

Competitive salary
Equity package
Health benefits
Dental benefits
Vision benefits
401(k) plan with employer matching

Visa sponsorship

Not detected in the job text

Keywords

React.js
Next.js
Node.js
Express.js
AWS
EC2
S3
Lambda
RESTful APIs
Microservices
Git
CI/CD
Copilot
Cursor
Claude
LLM
RAG pipelines
Agent workflows
Sports tech
Full stack
Software engineering
Architecture
Mentorship
Infrastructure-as-code
Startup

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