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Added 15 mins ago
P
Senior Product Manager, Fund Management
Purpose
Toronto, ON
- Full-time
As Sr. Product Manager, Fund Management, you will own the product vision, roadmap, and delivery for this squad. You will collaborate with other teams to decide what gets built and in what…
Added 16 mins ago
Environmental Engineer or Scientist
GHD Group Pty Ltd
Calgary, AB
Working with Project Manager and senior staff in all aspects of project work including scope development, scheduling, budgeting, analysis and reporting
Added 32 mins ago
S
SDET Lead
SIMPRO
Montreal, QC
- Full-time
Experience: 7+ years in Software Quality Assurance with 3+ years in a senior lead, manager, or QA director capacity.
Added 32 mins ago
QP
Operations Manager
QuadReal Property Group
Mississauga, ON
- Full-time
As the Operations Manager of the Industrial East Portfolio, you will oversee daily building operations and technical service delivery across a large network of industrial properties and…
Added 32 mins ago
GD
Supply Chain Manager Procurement and Supplier Quality
General Dynamics Missions System International
Ottawa, ON
- Full-time
We are hiring a Supply Chain Manager to lead Procurement and Supplier Quality activities in support of manufacturing, programs, and broader business objectives. You will lead a team of…
Added 42 mins ago
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Data Scientist
Dexian
Toronto, ON · Greater Toronto Area, Canada
- $80 to $115 CAD / hour
- Contract
Reporting to the Senior Advanced Analytics Manager, the Data Scientist will be conducting all analytical activities related to FCRM transaction monitoring systems.
Added 46 mins ago
Pricing Analyst
WestJet Group
Calgary, AB
Reporting to the Manager, you will be responsible for a piece of the WestJet network of routes, worth over $100 million annually to help maximize WestJet’s unit revenue and own the strategy
Added 46 mins ago
T
Oracle / PostgreSQL Database Administrator
TD
Mississauga, ON · Toronto, ON
- Full-time
Administer Oracle Recovery Manager (RMAN) and Oracle Zero Data Loss Recovery Appliance (ZDLRA) environments.
Added 1 hour ago
UO
Employer Specialist, Engineering Career Centre
University of Calgary
Calgary, AB
- Volunteer
Reports to the Senior Manager, Experiential and Work Integrated Learning This position involves frequent professional contact, both in person and virtually, with industry contacts at all…
Added 1 hour ago
GD
Supply Chain Manager Procurement and Supplier Quality
General Dynamics Mission Systems–Canada
Ottawa, ON
- $110,000 to $130,000 CAD / year
- Full-time
We are hiring a Supply Chain Manager to lead Procurement and Supplier Quality activities in support of manufacturing, programs, and broader business objectives. You will lead a team of…
Added 1 hour ago
RD
Directeur(trice) de comptes stratégique / Strategic Account Manager
Randstad Digital
Montreal, QC · Greater Montreal Metropolitan Area
- $60,000 to $80,000 CAD / year
- Full-time
Randstad Digital is investing in the growth of its Montreal team. We are seeking a high-caliber Senior Account Manager with a dominant commercial drive to propel our key sector: Consumer…
Added 1 hour ago
FC
Systems Coordinator – Degree Audit - Appendix D/Temporary Assignment
Fanshawe College
London, ON
- Full-time
…such as the enrolment audit, policy changes and reports to senior leadership. Administers relevant policies and procedures as well as recommending modifications and improvements to the…
Added 1 hour ago
L
Senior Project Manager - Airline Technology
Luxoft
Canada
- Full-time
A strong track record as a Senior Project Manager delivering complex enterprise technology projects.
Added 1 hour ago
P&
Gestionnaire principal, stratégies de tarification et transactions / Senior Manager, Pricing & Lifecycle Strategy
Pratt & Whitney
Longueuil, QC
- Full-time
Added 1 hour ago
AC
Senior Programme Manager- Electrification
Accenture Construct
Toronto, ON
- Full-time
The Senior Programme Manager – Electrification is responsible for the overall leadership, planning and successful delivery of complex railway electrification programmes, including Overhead…
Added 1 hour ago
T
Oracle / PostgreSQL Database Administrator
TD
Mississauga, ON
- Full-time
Administer Oracle Recovery Manager (RMAN) and Oracle Zero Data Loss Recovery Appliance (ZDLRA) environments.
Added 1 hour ago
L
Senior Patent & IP Counsel
Lyten
Burlington, ON
- Full-time
…battery, concrete, composites, and sensors. This is both a manager and a practitioner role: Lyten is looking for someone who will personally do some of the work of protecting its IP, not…
Added 1 hour ago
GO
Project Assessment Analyst
Government of Northwest Territories
Yellowknife, NT
- $116,259 to $138,879 CAD / year
- Full-time
Reporting to the Manager of Project Assessment, you will provide expert analysis throughout environmental assessment processes, coordinate input from departments and other governments, and…
Added 1 hour ago
A
Manager, Data Engineering
Avanade
Toronto, ON
- Full-time
As a Lead Solution Architect within our Data & AI Practice, you'll leverage a client-centric approach to understand our client’s challenges and opportunities to deliver solutions and…
Added 1 hour ago
R
Data Engineering Manager
Relay
Remote, Canada
- $207,000 to $253,000 CAD / year
- Full-time
- Remote
Relay's data engineering team has tripled in size, from 4 to 12, and is now splitting into two teams. Analytics Data Engineering works close to the business, building the models, pipelines…
Added 1 hour ago
Sales Account Manager, Theatrical
Amazon
Toronto, ON
As a Sales Account Manager on our Theatrical/Streaming business, you manage and deliver against complex advertiser goals and problems to drive revenue and exceed revenue targets. You…
Added 1 hour ago
H
Senior Product Manager
Highspring
Montreal, QC
- Full-time
We are seeking an experienced Product Manager to join a major enterprise Data & Analytics organization on a 12-month fixed-term engagement. In this role, you will assume end-to-end…
Added 1 hour ago
RS
Sr Product Analyst - Rogers Sports & Media
Rogers Sports & Media
Toronto, ON
- Full-time
Gather product requirements for the data-driven Advertising and DTC (Direct-to- Consumer) Data Analytics products, consult with the broader Core Data Team, and work with subject matter…
Added 1 hour ago
Senior Power Plant Engineer
WestJet Group
Calgary, AB
Reporting to the Senior Manager, Powerplant Engineering, the Senior Powerplant Engineer is responsible for the engineering management as related to the WestJet Aircraft Engine Program which…
Added 1 hour ago
Manager, Software Development (Vehicle Services)
PayByPhone
Vancouver, BC
Reports to: Senior Director, Application Development

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.

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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

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