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Added 3 mins ago
H
Coordonnateur(trice) de projets – Fabrication et opération / Project Coordinator – Manufacturing & Operations
Hitachi
Montreal, QC · (HE)Office_QC, Saint-Laurent
- Full-time
As an Associate Project Manager, you will coordinate the execution of small- and medium-complexity workshop assembly and refurbishment projects, ensuring activities are completed in…
Added 3 mins ago
Project Manager
Perenti Group Services Pty Ltd
Dease Lake 9, BC
Barminco Mining Services Canada has a great opportunity for a Senior Project Manager to work at the mining project located in British Columbia.
Added 3 mins ago
Senior Manager, Procurement Business Solutions Owner - P2P Tools
Scotiabank
Toronto, ON
Experience in project management methodology including techniques for project delivery, reporting, escalation, change management, and postmortem lessons learned
Added 3 mins ago
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Commercial Management Coordinator
HDR
Toronto, ON
- Full-time
The Commercial Management Coordinator supports the delivery of the Ontario Line Technical Advisory program by integrating commercial management, cost controls, schedule support, risk…
Added 16 mins ago
CB
Program Coordinator
Columbia Basin Trust
Cranbrook, BC
- Full-time
Reporting to the Senior Manager, Delivery of Benefits, you will:
Added 16 mins ago
L
Senior Project Manager - Airline Technology
Luxoft
Canada
- Full-time
Own project scope, schedules, budgets, resources, and delivery milestones.
Added 16 mins ago
LC
Ingénieur senior (Gestionnaire, projet ingénierie)
Lactalis Canada
Granby, QC
- Full-time
The Project Manager is responsible for the planning, design, execution, and completion of projects within strict timelines, while ensuring budget compliance and delivering technically sound…
Added 16 mins ago
CI
Proposal Specialist
Calian in Space & Technology
Ottawa, ON
- Full-time
We are looking for a Proposal Specialist to lead Calian’s bid process from project initiation through contract award for our service lines. In addition to proposal coordination…
Added 16 mins ago
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Tremplin Program Coordinator
RI-MUHC | Research Institute of the MUHC | #rimuhc
Montreal, QC
- Full-time
…experiential learning opportunities. Reporting to the Tremplin Manager and the Principal Investigator, the Coordinator will contribute to the coordination, facilitation, evaluation, and…
Added 16 mins ago
TU
Student Financial Business Support Analyst
The University of British Columbia
Vancouver, BC
- $7,727.33 to $11,112 CAD / month
- Full-time
…The Student Financial Business Analyst position report to the Manager, Student Financial Support and Associate Director, Business Solutions and…
Added 16 mins ago
C
Learning and Development Program Manager
CareerJoy
Ottawa, ON · Greater Ottawa Metropolitan Area
- Full-time
The Program Manager owns the delivery of CareerJoy’s client programs and partnerships, combining program oversight with hands-on coordination. You bring people, schedules, systems, and…
Added 16 mins ago
AC
Senior Programme Manager- Electrification
Accenture Construct
Toronto, ON
- Full-time
You'll work alongside people who think big and act bold: project managers, engineers, technologists and strategists who pair real-world delivery with AI. And you won't be handed a slice of…
Added 16 mins ago
IC
Consultant- SAP CSV & Data Migration, Life Sciences- Business Consulting
Infosys Consulting
Toronto, ON
- Full-time
Partner with Quality, Compliance, Validation, Business, and IT teams to ensure migration activities remain in a validated state throughout the project lifecycle.
Added 16 mins ago
CB
Manager, Information Technology
Columbia Basin Trust
Castlegar, BC
- Full-time
Columbia Basin Trust is seeking a Manager, Information Technology, to join our team. This position is responsible for the operational oversight, planning and continuous improvement of the…
Added 17 mins ago
UO
ERP System Administrator - Information Technologies
University of Calgary
Calgary, AB
- Full-time
…affects the reliability, security, recoverability, and timely delivery of ERP services used across the…
Added 17 mins ago
A
Manager, Data Engineering
Avanade
Toronto, ON
- Full-time
As an architect assigned to a client project, you will typically work closely with delivery teams and client stakeholders to provide technical leadership, shape deals and propositions,…
Added 18 mins ago
ASIC Digital Verification, Sr. Manager
Synopsys
Mississauga, ON
Strengthen Synopsys' reputation as a leader in the semiconductor industry through the delivery of high-quality, reliable products.
Added 28 mins ago
Business Analyst - FIN
Government of Alberta
Edmonton, AB
Reporting to the Manager of Operations Finance, the Business Analyst Finance provides analysis and project leadership in support of 1GX operations and the 1GX production environment.
Added 30 mins ago
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Project Manager
Plusgrade
Montreal, QC
- Full-time
You will lead the delivery of new initiatives and enhancements for airline, cruise, rail, and loyalty partners, typically managing 2 to 5 projects at the same time. You will define…
Added 30 mins ago
TT
Senior Civil Engineer
Tetra Tech
Pickering, ON
- Full-time
Reports to department manager and assists in preparation of design estimates, construction costs and proposal submissions.
Added 31 mins ago
SH
Enterprise Services (ES) Engagement Manager
Siemens Healthineers
Oakville, ON
- Full-time
Local internal contacts will include the Head of Operations for Canada, the designated Commercial Project Manager, ES Service Manager and other members of the immediate MES team; in…
Added 31 mins ago
CG
Proposal Specialist
Calian Group
Ottawa, ON
- Full-time
We are looking for a Proposal Specialist to lead Calian’s bid process from project initiation through contract award for our service lines. In addition to proposal coordination…
Added 31 mins ago
TH
Digital Content Specialist
The Home Depot Canada
Toronto, ON
- Full-time
Participate in project briefings, and collaborate with internal teams to collect assets and requirements for any special projects
Added 31 mins ago
RS
Sr Product Analyst - Rogers Sports & Media
Rogers Sports & Media
Toronto, ON
- Full-time
…advertising and data analytics products and ensure efficient feature…
Added 31 mins ago
SE
eCommerce Content Specialist
Sports Experts
Laval, QC
- Full-time
The successful candidate will report directly to the eCommerce Content and Merchandising Manager for performance management, professional development, and overall objective setting. The…

Off2Class

Senior Backend Developer

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

Full-time

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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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