Find work in Canada.

334,753 jobs across our Canadian network. How we count

Jobs in Canada

25+ jobs

Email me new jobs Save this search

Added 8 mins ago
Director, Physical Safety & Strategic Security Solutions
Simon Fraser University
Burnaby, BC
Safety & Risk Services provides institution-wide leadership in safety, security and risk management across SFU's Burnaby, Surrey and Vancouver campuses. The team supports a safe, welcoming…
Added 8 mins ago
XT
Business Development Executive
XTL Transport, Logistics, Distribution
Toronto, ON
- Full-time
…new business, as well as developing and implementing account development strategies within assigned regions, in alignment with corporate…
Added 8 mins ago
B
Senior Mechanical Engineer
BGIS
Markham, ON
- Full-time
The Senior Mechanical Engineer will be a member of the Professional Services team and be able to work independently on Heating, Ventilation and Air Conditioning (HVAC), plumbing, drainage,…
Added 8 mins ago
Laboratory Technician (Permanent)
Orano
SK · McClean Lake, Saskatchewan
…candidates with a range of experience levels, from junior to senior. If this sounds like a career path for you, please…
Added 8 mins ago
Vertical Account Manager, Industrial Automation, Automotive
Siemens
Oakville, ON
…accounts including demand creation for Siemens products and services in the automotive end user manufacturing segment. Success is measured by sales of Siemens products and services in…
Added 8 mins ago
H
Nurse B - Project Coordinator
HealthCareersInSask.ca
Saskatoon, SK
- Full-time
Department: Community Health Services Admin - Senior Health & Care Centre Program Dev
Added 8 mins ago
WM
Container Welder
Waste Management, Inc. (WM)
Hamilton, ON · STONEY CREEK, ON
- Full-time
From drivers and technicians to analysts, managers and corporate professionals, every employee plays a role in delivering essential services that support communities across Canada.
Added 8 mins ago
Scotia Jarislowsky Fraser Portfolio Administrator
Scotiabank
Markham, ON
…and efficient client service and in the execution of business development related activities. The role is a dedicated client servicing support role, designed to create capacity and support…
Added 8 mins ago
Manager, IB Expense Management - Global Finance
Scotiabank
Toronto, ON
…International Banking Expense Management team. Reporting to a Senior Manager, the incumbent is responsible for supporting the reporting, forecasting, and analysis of the International…
Added 8 mins ago
Senior Customer Experience Associate - Central City Branch, Surrey, BC (22.50Hours/Week)
Scotiabank
Vancouver, BC
Our Senior Customer Experience Associates are the face, character and heart of our branches. Scotiabank is a place where we put our customers first, and our priority is to help them achieve…
Added 8 mins ago
Director, Engineering
Scotiabank
Toronto, ON
Proven experience with customer master data and core banking systems in a regulated financial services environment
Added 8 mins ago
SS
Behavioural Support Nurse (RPN BSO) - Temporary Full Time - 7am - 3pm
Sienna Senior Living
Toronto, ON
- Full-time
At Sienna you won’t just fill a position; you will build lasting relationships with residents who call Sienna Senior Living their home. Join us in a role where knowing each resident not…
Added 8 mins ago
SS
Registered Nurse | Permanent Part-Time Day
Sienna Senior Living
Toronto, ON
- Part-time
…with quality management, legislative requirement and Sienna Senior Living…
Added 8 mins ago
P
Sales Account Executive
Pavago
Remote, Canada
- Remote
…discovery, negotiation, closing, and long-term relationship…
Added 8 mins ago
Executive Assistant & Board Administrator
The Government of Nova Scotia
Halifax, NS
This role provides senior level and at times confidential assistance to the CEO and Board and is responsible for the efficient and effective operation of the Office of the CEO, as well…
Added 8 mins ago
Associate Director, Strategic Pursuits, Managed Services
EY
Edmonton, AB · AB · Vancouver, BC · Victoria, BC · Winnipeg, MB · Dieppe, NB · Saint John, NB · St. John's, NL · Halifax, NS · London, ON · Ottawa, ON · Toronto, ON · ON · Montreal, QC · Quebec, QC · Saskatoon, SK · Waterloo, ON · Calgary, AB
As a key member of the team, you will help shape and execute growth strategies, support major business development opportunities, review strategic managed services pursuits, and coach teams…
Added 8 mins ago
ED
Senior Business Analyst - EN 450
Export Development Canada | Exportation et développement Canada
Remote, Canada
- Full-time
- Remote
The Senior Business Analyst works in a matrixed and collaborative environment with other Digital Experience Family members and multiple delivery partners, to connect business subject matter…
Added 8 mins ago
ED
Senior Business Analyst - EN 450
Export Development Canada | Exportation et développement Canada
Remote, Canada
- Full-time
- Remote
The Senior Business Analyst works in a matrixed and collaborative environment with other Digital Experience Family members and multiple delivery partners, to connect business subject matter…
Added 8 mins ago
ED
Senior Business Analyst - EN 450
Export Development Canada | Exportation et développement Canada
Remote, Canada
- Full-time
- Remote
The Senior Business Analyst works in a matrixed and collaborative environment with other Digital Experience Family members and multiple delivery partners, to connect business subject matter…
Added 8 mins ago
ED
Senior Business Analyst - EN 450
Export Development Canada | Exportation et développement Canada
Remote, Canada
- Full-time
- Remote
The Senior Business Analyst works in a matrixed and collaborative environment with other Digital Experience Family members and multiple delivery partners, to connect business subject matter…
Added 8 mins ago
ED
Senior Business Analyst - EN 450
Export Development Canada | Exportation et développement Canada
Remote, Canada
- Full-time
- Remote
The Senior Business Analyst works in a matrixed and collaborative environment with other Digital Experience Family members and multiple delivery partners, to connect business subject matter…
Added 8 mins ago
ED
Senior Business Analyst - EN 450
Export Development Canada | Exportation et développement Canada
Remote, Canada
- Full-time
- Remote
The Senior Business Analyst works in a matrixed and collaborative environment with other Digital Experience Family members and multiple delivery partners, to connect business subject matter…
Added 8 mins ago
Staff Technical Program Manager
Kaseya Careers
Vancouver, BC
This is a senior individual contributor role focused on driving execution across data engineering, ML engineering, and applied AI teams - improving delivery predictability, managing complex…
Added 22 mins ago
C(
Senior Software Engineer, Elixir
Clarity (formerly Hiive)
Vancouver, BC
- Full-time
As a Senior Engineer at Hiive, you will be a hands-on contributor to the backed system powering our platform, while building a user friendly interface. You will collaborate with technical…
Added 22 mins ago
EH
General Manager
Evolution HR Services (Vancouver Island)
Duncan, BC
- $100,000 to $120,000 CAD / year
- Full-time
Evolution HR Services is recruiting a General Manager on behalf of an established, multimillion-dollar residential construction and home improvement business.

Off2Class

Senior Backend Developer

Toronto, ON, Canada
Greater Toronto Area, Canada, Canada

Full-time

Apply About employer

Applications open in a new tab.

Job details

Job type: Full-time
Apply by: Apr 6, 2027
Experience: Minimum of 8+ years of professional software development experience, with significant back-end development responsibility
Posting language: English
Posted: Oct 8, 2026

Original job description

Company Description

Off2Class has been supporting English as a Second Language (ESL) teachers since 2014 with tools and curriculum that simplify lesson planning and address diverse language learning needs. The company collaborates closely with educators worldwide to save time, reduce frustration, and help them focus on teaching. Off2Class provides ready-to-use lesson content, tools for tracking learner progress, and teacher training to support varied implementation models. Its solutions are designed to be practical, user-friendly, and impactful, empowering teachers in different educational settings. Prospective team members join a mission-driven organization dedicated to improving language education through thoughtful technology and content.

Role Description

The Senior Back-End Developer is responsible for strengthening and extending the Off2Class software platform through reliable, scalable, and maintainable back-end development. This role focuses on server-side architecture, APIs, database performance, infrastructure reliability, integrations, testing, and deployment quality.

The Senior Back-End Developer will work closely with the Lead Developer and Technical Project Manager to deliver high-quality back-end solutions that support product growth, platform stability, and a smooth experience for schools, teachers, and learners.

Job Duties

Back-End Development

Design, build, and maintain reliable server-side application logic, APIs, services, and integrations.
Develop scalable back-end features from technical planning through deployment.
Improve existing back-end systems for performance, maintainability, security, and reliability.
Collaborate with front-end developers to ensure APIs and data flows support product requirements effectively.

Architecture & Code Quality

Contribute to back-end architecture decisions and help evolve the platform’s technical foundations.
Write clean, maintainable, well-documented code that follows established engineering standards.
Review pull requests with attention to performance, security, reliability, and long-term maintainability.
Identify and reduce technical debt in core systems.

Database & Performance Management

Design, optimize, and maintain database queries, schemas, and data access patterns.
Monitor and improve the performance of SQL databases, Redis, background jobs, and other back-end services.
Investigate bottlenecks, failed jobs, production errors, and performance spikes.
Support reliable data processing and system availability across the platform.

Infrastructure & Dependency Management

Maintain and update back-end dependencies, software packages, server components, and plugins.
Support cloud infrastructure and services, including AWS EC2 and RDS.
Monitor server environments, resource usage, and application health.
Contribute to secure and reliable deployment practices.

Quality Assurance & Testing

Write comprehensive tests for new back-end code, including unit, integration, and regression tests where appropriate.
Support debugging and root-cause analysis for production issues.
Improve error handling, logging, monitoring, and alerting.
Ensure back-end changes are delivered with a strong focus on stability and reliability.

Continuous Integration/Continuous Deployment (CI/CD)

Create, update, and review Pull Requests (PRs).
Support smooth deployment processes using CI/CD best practices.
Help maintain reliable release processes and reduce deployment risk.
Collaborate with the development team to improve build, test, and deployment workflows.

Collaboration & Technical Planning

Work with the Lead Developer, Technical Project Manager, product team, and other developers to clarify requirements and define technical solutions.
Break down technical work into clear, manageable tasks.
Communicate trade-offs, risks, dependencies, and implementation options clearly.
Proactively suggest technical improvements that strengthen the platform.

Competencies

Back-End Engineering: Strong ability to design, build, and maintain robust server-side systems.
System Reliability: Focused on uptime, stability, monitoring, and production readiness.
Database Expertise: Skilled at working with SQL databases, query optimization, and data integrity.
Problem-Solving: Able to diagnose complex technical issues and resolve them efficiently.
Code Quality: Committed to clean, testable, maintainable code and thoughtful peer review.
Security Awareness: Understands secure coding practices and infrastructure considerations.
Communication: Able to explain technical issues, risks, and solutions clearly to technical and non-technical colleagues.
Adaptability: Comfortable learning new tools, frameworks, and technologies as platform needs evolve.
Teamwork: Works collaboratively with developers, product, and project stakeholders to achieve shared goals.

Job Qualifications

Bachelor’s degree in Computer Science, Software Engineering, or equivalent experience
Minimum of 8+ years of professional software development experience, with significant back-end development responsibility
Strong proficiency in PHP and server-side application development
Experience with JavaScript, HTML, and Frontend framworks, sufficient to collaborate effectively with front-end development work
Experience with server management: Ubuntu, Nginx, SQL, Redis
Experience managing AWS infrastructure and services, including EC2 and RDS
Experience designing, building, and maintaining APIs and integrations
Strong experience with testing, debugging, performance optimization, and production support
Experience using project management and development tools, such as Jira, GitHub, or Linear
Based in the Greater Toronto Area

Key Performance Indicators (KPIs)

Back-End Delivery: Number and quality of back-end features, services, APIs, and improvements delivered within planned timeframes.
System Stability: Reduction in production bugs, failed jobs, downtime, and recurring technical issues.
Bug Resolution Time: Average time taken to identify, address, and resolve back-end defects.
Code Quality: Frequency of critical issues found in code after deployment.
Performance Improvements: Measurable improvements in application speed, query efficiency, background job reliability, or infrastructure utilization.
Pull Request Cycle Time: Time from PR creation to merge, indicating efficiency in development and review processes.
Deployment Reliability: Frequency of successful deployments and reduction in deployment-related incidents.
Technical Debt Reduction: Progress on refactoring, dependency updates, and maintainability improvements.

What Success Looks Like

30 Days

Complete architecture and codebase onboarding across core PHP services, databases, and AWS environments.
Ship first bug fixes and minor backend feature PRs through standard CI/CD and review workflows.
Establish smooth collaboration rhythms with the Lead Developer, TPM, and frontend team.

60 Days

Independently build, test, and deploy new backend features and APIs aligned with product roadmap priorities.
Optimize database queries, Redis caching, or background job performance to resolve bottlenecks.
Actively review peer PRs and expand automated unit and integration test coverage.

90 Days

Own end-to-end technical delivery of complex backend epics from architectural planning to production release.
Drive platform reliability, technical debt reduction, and AWS infrastructure maintenance (EC2/RDS).
Ensure high deployment reliability, low PR cycle times, and proactive error monitoring.

Apply About employer

More about this job

Responsibilities

Design, build, and maintain reliable back-end services, APIs, integrations, and database systems, while improving performance, security, code quality, and platform reliability. Collaborate with technical and product stakeholders to plan and deliver features, support AWS infrastructure, test and deploy changes, and diagnose production issues.

Requirements

Requires at least eight years of professional software development experience with significant back-end responsibility, strong PHP skills, and experience with APIs, SQL, Redis, Ubuntu, Nginx, and AWS EC2 and RDS. A bachelor's degree in Computer Science or Software Engineering, or equivalent experience, is required; candidates should also have experience with JavaScript, HTML, testing, debugging, performance optimization, production support, and development tools such as Jira, GitHub, or Linear.

Skills

PHP
Back-End Development
API Development
SQL
Redis
AWS
Amazon EC2
Amazon RDS
Ubuntu
Nginx
JavaScript
HTML
Database Optimization
Automated Testing
CI/CD
Production Support

Visa sponsorship

Not detected in the job text

Keywords

PHP
JavaScript
HTML
APIs
SQL
Redis
Ubuntu
Nginx
AWS
Amazon EC2
Amazon RDS
Back-End Architecture
Server-Side Development
Database Optimization
Integrations
Background Jobs
Automated Testing
Unit Testing
Integration Testing
Regression Testing
CI/CD
Pull Requests
Production Support
Performance Optimization
Monitoring
Logging
Alerting
Security
Jira
GitHub

Report this job