Skip to main content
Post your resume and find your next job on Indeed!

Non Linear Creations jobs

Sort by: -
    • Communication: Able to explain technical issues, risks, and solutions clearly to technical and non-technical colleagues.
    • Based in the Greater Toronto Area.
    • View all Off2Class jobs - Toronto jobs - Senior Back End Developer jobs in Toronto, ON
    • Salary Search: Senior Back-End Developer salaries in Toronto, ON
    • Job Reports to: Lead Manager, Ontario Works and Client Care.
    • Under the direction of the Ontario Works Program Manager (and Housing), the Case Manager will…
    • As a civil designer, you will contribute to a range of infrastructure projects, with an emphasis on detailed design for municipal and linear infrastructure.
    • Conduct non-linear crash analysis and correlate to physical testing.
    • Conduct linear stiffness and durability analysis and correlate to testing.
    • Experience with predictive modeling using statistics and classical ML, e.g. XGBoost, SVM, linear regression.
    • The team brings together former brokers, software…
    • Chez Level, l’IA est un ensemble de compétences, et non un raccourci.
    • ✅ Vous savez vendre des solutions complexes et personnalisées, et non seulement des…
    • Escalation of significant environmental risks, incidents, non-conformances, and regulatory issues to project leadership, as required.
  • View similar jobs with this employer
    • Strong 3D mathematics skills (linear algebra, trigonometry, vectors/matrices, quaternions) and understanding of animation technical constraints.
    • Co-construire la direction produit avec les designers UX/UI : définir ce qui est un oui, ce qui est un non, aligner les priorités et s'assurer que ce qui est…
    • Quantitative Fluency: Comfort with statistics, linear algebra and numerical computing (NumPy, pandas or Polars), enough to read a research memo and challenge…
    • Developing and implementing programs for: solution of linear and non-linear equations, curve fitting, solution of the algebraic eigenvalue problems,…
Get e-mail updates for the latest Non Linear Creations jobs

By creating a job alert, you agree to our Terms . You can change your consent settings at any time by unsubscribing or as detailed in our terms.

Career Resources:

Job Post Details

Senior Back-End Developer
Off2Class
Toronto, ON M6J 2L5
•
Hybrid work
$115,000–$125,000 a year
Permanent, Full-time
Apply now

Job details

$115,000–$125,000 a year
Paid time off, Vision care, Dental care, Casual dress, Extended health care, Work from home, Company events
Permanent, Full-time
Hybrid work in 229 Niagara Street, Toronto, ON M6J 2L5

Full job 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.

Pay: $115,000.00-$125,000.00 per year

Benefits:

  • Casual dress
  • Company events
  • Dental care
  • Extended health care
  • Paid time off
  • Vision care
  • Work from home

Experience:

  • backend web development with PHP frameworks: 5 years (required)
  • cloud computing services, such as Oracle Cloud or AWS: 1 year (preferred)

Location:

  • Toronto, ON M6J 2L5 (preferred)

Work Location: Hybrid remote in Toronto, ON M6J 2L5

Let Employers Find YouUpload Your Resume