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Added 1 month ago
I
Sr. Staff Developer, Architecture
iQmetrix
Toronto, ON
- Full-time
…solutions for telecom retail. Interconnected Commerce is an AI-native telecom commerce platform that acts as a system of intelligence. It replaces fragmented legacy stacks with a modern,…
Added 5 months ago
Z
Senior Backend Engineer (.NET & AI/ML)
Zonda
Toronto, Ontario
- $110,000 to $130,000 CAD / year
- Full-time
Experience modernizing legacy .NET (Framework to .NET Core / .NET 8+) or migrating monoliths to gRPC-based, cloud-native architectures.
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
Experience modernizing legacy .NET (Framework to .NET Core / .NET 8+) or migrating monoliths to gRPC-based, cloud-native architectures.
Added 5 months ago
Z
Senior Backend Engineer (.NET & AI/ML)
Zonda
Vancouver, British Columbia
- $110,000 to $130,000 CAD / year
- Full-time
Experience modernizing legacy .NET (Framework to .NET Core / .NET 8+) or migrating monoliths to gRPC-based, cloud-native architectures.
Added 5 months ago
PI
Sr Android Engineer
Princeton IT Services, Inc
Toronto, Ontario
- Full-time
Experience with Native iOS or using cross-platform technologies like React Native or Flutter.
Added 1 month ago
C
Forward Deployed Developer
CGI
Toronto, ON
- Full-time
You will work on a cloud-native wealth management platform built on Go microservices, a Next.js micro-frontend portal, and a PostgreSQL data layer. The platform exposes REST APIs for…
Added 1 month ago
JS
Senior Software Engineer, AI-Native Data Warehouse
Juniper Square
Remote, Canada
- Full-time
- Remote
You'll join Dex, Juniper Square's AI-native data warehouse, a customer-facing data product. You'll work on data extraction, built on the existing architecture and running an Ingest → Parse…
Added 6 months ago
J
Intermediate Software Engineer
Jobber
Vancouver, British Columbia
- Full-time
Experience with our development stack: React, React Native, TypeScript, Ruby on Rails
Added 1 month ago
EC
Senior Software Engineer - Full Stack
Emburse Chrome River
Toronto, ON
- Full-time
Intermediate knowledge in react native and react
Added 5 months ago
T
Senior Mobile Software Developer
TouchBistro
Toronto, Ontario
- $130,000 to $150,000 CAD / year
- Full-time
Fix it, Ship it, Own it. You’ll take full ownership of React Native features - from concept to production - delivering high-quality experiences across iOS and Android
Added 5 months ago
L
Full Stack Product Engineer
Liftoff
Remote, Canada
- $80,000 to $150,000 CAD / year
- Full-time
- Remote
Work with Design to ship front-end changes in React Native / Expo when experiments require it
Added 1 month ago
T
Senior Full Stack Developer (CRM), TD Securities
TD
Toronto, ON
- Full-time
…Research & Markets businesses. We are looking for a Senior developer based in Toronto to join our team and help deliver scalable, modern solutions that support colleagues and stakeholders…
Added 5 months ago
TS
Software Development Lead
T-Rex Solutions
Remote, Canada
- $130,000 to $170,000 USD / year
- Full-time
- Remote
Experience developing cloud native solutions according to industry best practices
Added 5 months ago
PI
Software Development Programmer
Princeton IT Services, Inc
Calgary, Alberta
- Full-time
Front-end development using HTML, CSS, Bootstrap, Angular, React.js / React Native
Added 6 months ago
IA
Full Stack Developper
Iconic Art AI
Montreal, Quebec
- $70,000 to $90,000 CAD / year
- Full-time
Front-end & Back-end Skills: Expertise in full-stack development experience within React ecosystem (Zustand, TanStack), React Native, TensorFlowLite, OpenCV , hands-on experience in native…
Added 6 months ago
Q
Senior Full Stack Developer
Quartermaster
Toronto, Ontario
- $150,000 to $190,000 CAD / year
- Full-time
The Senior Full stack Developer is a key contributor responsible for delivering high-quality, scalable software across the frontend and backend. This role involves building performant UIs,…
Added 6 months ago
SV
Principal Engineer - Stackpoint Ventures
Stackpoint Ventures
Remote, Canada
- Full-time
- Remote
Stackpoint is a venture studio that conceives, builds, launches, and scales AI-native companies in high-barrier verticals like real estate, construction, hospitality and financial services.…
Added 6 months ago
QI
Senior Full Stack Developer
Quartermaster Inc.
Toronto, Ontario
- Full-time
The Senior Full stack Developer is a key contributor responsible for delivering high-quality, scalable software across the frontend and backend. This role involves building performant UIs,…
Added 6 months ago
G
Senior Full Stack Engineer
Gumloop
Vancouver, British Columbia
- $200,000 to $300,000 USD / year
- Full-time
…and the opportunity to directly shape the trajectory of an AI-native…
Added 1 month ago
A
Frontend Technologies Architect
Aviva
Markham, ON · Toronto, ON
- Other
Frontend frameworks such as React and Angular.
Added 1 month ago
E
Founding Fullstack Engineer
Eklan
Toronto, ON
- $61,000 to $142,000 CAD / year
- Full-time
Our core stack includes TypeScript, React, Next.js, React Native, Expo and MongoDB.
Added 3 months ago
M
React Native - Mobile Software Developer (SaaS Healthcare)
Medfar
Montreal, QC
- Full-time
As a Mobile Software Developer II, you'll be part of MEDFAR's mobile team, building and evolving cross-platform applications across iOS, Android, and web that bring our healthcare platform…
Added 1 month ago
Senior Mobile Product Developer, Growth
HelloFresh
Toronto, ON
1–2 years of experience working with React or React Native
Added 3 months ago
O
Senior Software Engineer, Mobile Platform - Guest App (Remote, Canada)
Owner.com
Remote, Canada
- Full-time
- Remote
Experience building and maintaining mobile applications (React Native experience is a strong plus)
Added 3 months ago
M
Senior Software Engineer
Morningstar
Toronto, Ontario
- Full-time
- Contribute to migrating legacy feed products to AWS cloud-native architecture and participate in DevOps practices including CI/CD and infrastructure as code.

Quartermaster Inc.

Senior Full Stack Developer

Toronto, ON, Canada

$150,000 - $190,000 · Full-time

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Job details

Pay: $150,000 - $190,000
Job type: Full-time
Experience: Candidates should have 6+ years of fullstack experience, with 2+ years leading technical projects or teams.
Posting language: English
Posted: Apr 16, 2026

Original job description

BUILD SOMETHING YOUR NEIGHBOURS WILL LOVE

We’re building Toronto’s dedicated platform for home management to empower the city’s homeowners and to better connect our neighbours and the local Pros they trust.

Our focus is purely on the GTA market right now. We build our property base one street at a time, and our marketplaces one neighbourhood at a time. We’re a local tech company in every sense of the word. We start with integrity, neighbourhood values, and competitive craftsmanship, and we build our business on neighbourhood trust.

We believe in holistic solutions to consumer problems. We believe in high-trust hyperlocal communities. We believe in low commission marketplaces that the best Pros can actually say yes to. And we believe that tech companies should go to work for the locally loved Pros of the GTA rather than trying to get those Pros to effectively work for the tech company. We believe that it’s good business to care. We believe that this problem space deserves a form of digital transformation that the people and Pros of Toronto can trust and invest in.

If this resonates with you and you’re at a point in your career and your life where you want to do something uniquely difficult for a meaningful outcome, you’ve found your next home.

ROLE SALARY BAND

$150,000 - $190,000

Role Overview

The Senior Full stack Developer is a key contributor responsible for delivering high-quality, scalable software across the frontend and backend. This role involves building performant UIs, designing robust APIs, modeling data flows, and integrating services that support complex product features.

Working closely with product, design, and engineering teams, the developer drives architecture decisions, leads technical implementation, and mentors others on best practices. They balance hands-on execution with systems thinking, consistently improving code quality, performance, and developer experience. The ideal candidate pairs deep technical skill with a strong product mindset and a focus on reliability, usability, and long-term maintainability.

You show up like an owner.
You want to value the equity and solve for others.

TEAM VALUES

❤ Integrity – We prioritize integrity over comfort, convenience, and the short-cuts of success that drive metrics but undermine trust.

❤ Trust – We cannot win unless we win on trust. Trust is hard to earn and easy to lose. We need to be built for it in our DNA.

❤ Competitiveness – We believe that competitiveness is a critical complement to integrity and trust. If we’re not our customer’s best choice, then we’re wasting their time. We believe in the power of healthy competitive markets, and we believe we need to be uniquely competitive to win in this space. We have too much respect for the other players in this space to expect things to be easy. That’s a good thing.

❤ Empowerment – Any win we achieve needs to be first and foremost a win that we deliver to others, starting with our customers, and their long term best interests.

Vacation And Benefits

We know the power it takes to be successful in a challenging mission and we want to ensure our team is rested and ready to go.

We offer 30 days of PTO annually, which can be used for vacation, personal days, or illness. Five of these days are designated as company-wide closures around the start and end of the year.
In addition, our benefits plan covers health, dental and wellness to add that extra pep in our step, and help us sleep at night.
We have a tech allowance benefit to help set you up for work.
We have pregnancy and parental leave policies, and we’re ready to support your family’s next stage of growth.

Employee Ownership

We’re a team on a mission. We expect a high degree of ownership from each other and we pair that with higher than usual employee ownership in the company.

What You Will Be Doing

Technical Execution & Ownership

Architect and implement scalable, maintainable, and observable fullstack applications using modern JavaScript/TypeScript ecosystems (React, Next.js, Node.js, Express/Koa, NestJS)
Design and optimize relational (PostgreSQL, MySQL) and non-relational (MongoDB, DynamoDB, Redis) data models to support transactional consistency, efficient querying, and multi-tenancy
Build robust API layers (REST/GraphQL/gRPC), incorporating input validation, rate limiting, auth middleware, pagination, and real-time event streaming via WebSockets or SSE
Construct flexible state management patterns (Redux Toolkit, Zustand, React Query) across web applications for efficient data hydration, caching, and optimistic UI
Implement progressive rendering strategies (SSR, ISR, SSG) to balance performance and SEO within frontend frameworks like Next.js
Manage frontend build tooling and transpilation (Webpack, Vite, Babel, SWC), including module federation, code-splitting, and lazy loading optimizations
Develop backend services with clean architecture principles (domain-driven design, hexagonal ports/adapters), enforcing separation of concerns and enabling high testability
Instrument frontend and backend code with structured logging (Pino, Winston), distributed tracing (OpenTelemetry, Honeycomb), and metrics (Prometheus, StatsD) for proactive debugging and performance tuning
Build automated deployment pipelines for both client and server with CI/CD tools (GitHub Actions, CircleCI, ArgoCD), including staging environments, ephemeral previews, and rollback mechanisms
Integrate cloud-native capabilities like object storage (S3), job queues, messaging systems (Kafka, NATS), and container orchestration (Docker, Kubernetes)

Decision-Making & Collaboration

Make full stack architectural decisions balancing developer productivity, system scalability, and product roadmap velocity
Collaborate with product, design, and QA to define technical requirements and delivery plans, including accessibility, internationalization, and performance
Align frontend and backend concerns via shared contracts (e.g. GraphQL schema, OpenAPI specs) to drive consistency and testability
Facilitate cross-team decisions for shared infrastructure, deployment pipelines, and development standards
Transparently communicate tradeoffs and drive alignment across stakeholders on architectural risk, effort, and technical debt remediation

Leadership & Mentorship

Mentor junior and mid-level engineers in front-end and mobile development, accessibility, and system design principles
Lead code reviews, architecture sessions, and cross-platform design discussions with a focus on performance and accessibility
Support team learning through documentation, knowledge-sharing, and feedback-driven growth
Advocate for accessibility and mobile quality in engineering culture and product planning

Agile Process & Delivery

Drive backlog refinement, estimation, and sprint planning across cross-functional squads with fullstack responsibilities
Own release readiness for features, including end-to-end testing, canary rollout strategies, and post-deployment observability
Establish and maintain CI/CD pipelines for web and backend services using GitHub Actions, CircleCI, or similar tools
Integrate code coverage, static analysis, and test automation into delivery pipelines to support velocity without sacrificing stability
Continuously improve team workflows via retrospectives, tooling improvements, and process experimentation

What You Bring

Candidates should have 6+ years of fullstack experience, with 2+ years leading technical projects or teams. They must be fluent in JavaScript or TypeScript, with strong proficiency in React and backend development using Node.js or similar. Experience building APIs, modeling data, and deploying to cloud infrastructure is essential.

They should be confident owning architecture decisions, mentoring teammates, and collaborating across design, product, and engineering. Familiarity with accessibility standards, performance optimization, and secure coding practices is expected. The ideal candidate delivers scalable, user-focused solutions and thrives in fast-paced, cross-functional environments.

THIS IS A GOOD FIT FOR YOU IF…

You’re mission-driven and looking to solve the mission’s hardest problems.
You’re at a point in your life and your career where you want to tackle a uniquely demanding job to produce meaningful impact.
You’re keen to work in-person with a team.

LOCATION

Hybrid

Apply About employer

More about this job

Responsibilities

The Senior Full Stack Developer is responsible for delivering high-quality, scalable software across the frontend and backend, including building performant UIs and designing robust APIs. They will also mentor other team members and drive architecture decisions.

Requirements

Candidates should have 6+ years of full stack experience, with 2+ years leading technical projects or teams, and must be fluent in JavaScript or TypeScript. Strong proficiency in React and backend development using Node.js or similar is essential.

Skills

JavaScript
TypeScript
React
Node.js
API Development
Cloud Infrastructure
Data Modeling
Performance Optimization
Accessibility
Mentorship
Agile Methodologies
CI/CD
Full Stack Development
Database Management
Software Architecture
User Experience

Benefits

Health Insurance
Dental Insurance
Wellness Programs
Paid Time Off
Parental Leave
Tech Allowance

Visa sponsorship

Not detected in the job text

Keywords

JavaScript
TypeScript
React
Next.js
Node.js
Express
Koa
NestJS
PostgreSQL
MySQL
MongoDB
DynamoDB
Redis
REST
GraphQL
gRPC
Redux Toolkit
Zustand
React Query
SSR
ISR
SSG
Webpack
Vite
Babel
Docker
Kubernetes
GitHub Actions
CircleCI
OpenTelemetry

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