Find work in Canada.

A simpler way to find your next job.

Jobs in Canada

25+ jobs

Email me new jobs Save this search

Added 8 mins ago
SS
Head of R&D
Seller Snap, Inc.
Brampton, ON · Regional Municipality of Peel, ON
- Full-time
Raise the bar on code review, testing, security testing and release practices.
Added 8 mins ago
J
Senior Full Stack Software Developer (Java/React, Dynamics 365 & Power Platform)
Joblinxsapp
Toronto, ON
- Full-time
Ensure alignment with enterprise architecture principles, security requirements, data governance standards, and software engineering best practices.
Added 8 mins ago
NV
Senior Oracle Developer (ID#5583)
New Value Solutions
Canada
- Contract
Implement secure coding practices, authentication, authorization, and application security controls.
Added 8 mins ago
SF
Senior Application Security Engineer III
Spring Financial
Vancouver, BC
- Full-time
As a Senior Application Security Engineer at Spring, you are a technical leader and a trusted problem solver who works at the intersection of security, engineering, and the business. You…
Added 8 mins ago
Y
Data Architect (Google BigQuery/GCP to Azure Databricks)
Yochana
Toronto, ON
- Full-time
We are seeking an experienced Data Architect to lead the architecture and modernization of our enterprise data platforms. This role is critical as we undertake a large-scale migration from…
Added 12 mins ago
N
Staff Site Reliability Operations
NVIDIA
Toronto, ON · Canada, Toronto
- Full-time
…with employees, site and executive leadership, Facilities, Security, HR, and Procurement on incidents, planned changes, onboarding and moves, and office and lab…
Added 12 mins ago
T
Senior Information Security Specialist - AI BISO
TD
Ottawa, ON · Toronto, ON
- Full-time
Lead the development and implementation of AI security strategies, standards, policies and control expectations that align with enterprise architecture, business priorities and regulatory…
Added 45 mins ago
PC
Building Science Technologist / Senior Building Science Technologist
Pinchin Canada
Toronto, ON
- $60,000 to $85,000 CAD / year
- Full-time
Architectural Technician/Civil Engineering Technologist /Construction Technician/Science diploma, B.A. or B.Sc. in Architecture, B.Sc. in Building Science.
Added 45 mins ago
B
Workplace Solutions Manager
BGIS
Toronto, ON
- Full-time
Work closely and collaboratively with other team members, internal partners (HR, IT, Security, FM’s), and external consultants/vendors in the development and execution of appropriate…
Added 46 mins ago
Principal Software Engineer
Conga
Canada
Work with Architecture and Product Security to implement and evolve security patterns, standards, and controls across the platform.
Added 46 mins ago
AE
Sr Mgr-Digital Product Mgmt
American Express
Toronto, ON
- Full-time
Partner with platform administration, technical project management, engineering, security, and architecture teams to validate access, configuration, monitoring, risk controls, support…
Added 55 mins ago
BR
Senior Security Architect
BITS Recruiting
Toronto, ON
- Contract
…improving incident readiness and implementing practical, measurable security solutions. This is a delivery-focused role requiring operational experience, not solely strategy or architecture…
Added 1 hour ago
SP
Business Strategy Senior Manager - Canadian Public Sector Experience Services
Salesforce Partner Canada
ON · Ontario, Canada
- Full-time
Core Competencies: Experience in Business Strategy, Enterprise Architecture, Product Management, Agile, Program Governance, Experience Design, Change Management, and/or Value Realization.…
Added 1 hour ago
IG
Cyber Security Analyst
Insight Global
Toronto, ON
- $50 to $63 CAD / hour
- Contract
…core day). The successful candidate will support the Global Security Operations Center (GSOC) and play a key role in evaluating cybersecurity tooling and onboarding initiatives tied to…
Added 1 hour ago
TC
Gen AI Developer
Tata Consultancy Services
Toronto, ON
- $90,000 to $110,000 CAD / year
- Full-time
Added 1 hour ago
OO
Community Development Manager
ORION Ontario's Research and Education Network
Oakville, ON
- Full-time
Contribute to and help drive solution architecture and design in collaboration with engineering
Added 1 hour ago
FG
Web Application Developer
Flynn Group of Companies
Mississauga, ON
- $70,000 to $110,000 CAD / year
- Full-time
-Design and implement scalable and resilient cloud solutions with security and disaster recovery in mind
Added 1 hour ago
S
Operational Developer
Sherweb
QC
- Full-time
Collaborating with Development, Architecture, Operations, and Security teams to implement reliable, secure, and automated solutions that meet business needs.
Added 1 hour ago
SC
Jr. Construction Project Manager
SPECTRAFORCE Canada
Halifax, NS
- Contract
…Electrical, or Civil Engineering; Construction Management; Architecture; Project Management; Business; or a related…
Added 1 hour ago
RI
Production Support Analyst (Akamai / Web Platforms)
Raas Infotek
Toronto, ON
- Contract
…environments while ensuring high availability, performance, and security of web applications and digital…
Added 1 hour ago
AE
Campus Graduate Masters Summer Internship Program - 2027 AI Engineer, Enterprise Technology Services- Toronto, Ontario, CN
American Express
Toronto, ON
- Full-time
…day one. As a Master’s-level AI Engineer Intern focused on AI Security Research in Enterprise Technology Services, you’ll join a 16-week Summer Internship Program and contribute to hands-on…
Added 1 hour ago
AC
RQ11720 - Software Developer - Senior
A.T. Consulting & Recruiting Inc.
Toronto, ON
- Contract
…complex application components in accordance with approved architecture, technical designs, security requirements, and coding standards. Provides technical leadership and supports the…
Added 1 hour ago
C
Senior Backend Software Developer
Cisco
Vancouver, BC
- Full-time
The Splunk Enterprise Security team develops a data-driven SIEM designed to streamline security monitoring, threat detection, and compliance workflows. Our platform helps enterprise…
Added 1 hour ago
AI
Principal Consultant – AWS Data Platforms & Agentic AI
Astra-North Infoteck Inc. ~ Conquering today’s challenges, achieving tomorrow’s vision!
Toronto, ON
- Full-time
Deep understanding of Data Architecture, Medallion/Lakehouse, Data Products, Data Pipelines, Semantic Layers, metadata, governance and security.
Added 1 hour ago
KR
Production Support Analyst (Akamai / Web Platforms)
KTek Resourcing
Toronto, ON
- Contract
…environments while ensuring high availability, performance, and security of web applications and digital…

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 21, 2027
Experience: Minimum of 8+ years of professional software development experience, with significant back-end development responsibility
Posting language: English
Posted: Oct 23, 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 platform performance, security, and maintainability. Support AWS infrastructure, testing, monitoring, and deployment reliability, and collaborate with developers and product stakeholders to deliver technical solutions.

Requirements

Requires a bachelor’s degree in Computer Science, Software Engineering, or equivalent experience, plus at least 8 years of professional software development experience with significant back-end responsibility. Candidates should have strong PHP skills, experience with APIs, SQL, Redis, AWS EC2 and RDS, server management, testing, debugging, and performance optimization, and be based in the Greater Toronto Area.

Skills

PHP
Back-End Development
API Development
JavaScript
HTML
SQL
Redis
AWS
Ubuntu
Nginx
Database Optimization
Testing
Debugging
Performance Optimization
CI/CD
Production Support

Visa sponsorship

Not detected in the job text

Keywords

PHP
JavaScript
HTML
SQL
Redis
AWS
AWS EC2
AWS RDS
Ubuntu
Nginx
Back-End Development
Server-Side Architecture
APIs
Integrations
Database Schemas
Query Optimization
Background Jobs
Cloud Infrastructure
Unit Testing
Integration Testing
Regression Testing
CI/CD
GitHub
Jira
Linear
Pull Requests
Monitoring
Logging
Error Handling
Production Support

Report this job