Senior Back-end Engineer

Prophix; Toronto; Hybrid; CAD 80,000 - 100,000; Full time

Job summary

A technology company is seeking a Back-End Developer to design and implement scalable applications. You will work on RESTful APIs using Python and Django, optimizing PostgreSQL databases, and implementing asynchronous tasks with Celery. The ideal candidate has over 5 years of experience in back-end development, strong skills in Python, Django, and database optimization. This role involves collaboration with product teams to ensure high-quality deliverables. Opportunities for growth and involvement in AI-enabled technology are available.

Benefits

Comprehensive health coverage

Retirement savings with employer contributions

Parental leave top-up

Annual wellness allowance

Generous paid time off

Social events and team activities

Qualifications

• 5+ years of professional experience in back-end development.
• Strong proficiency in Python and Django/Django REST Framework.
• Experience with Celery for asynchronous tasks.
• Expertise in PostgreSQL with a focus on performance.

Responsibilities

• Design, develop, and maintain RESTful APIs using Python and Django.
• Build and optimize PostgreSQL databases.
• Implement asynchronous tasks using Celery.
• Collaborate with product teams and front-end developers.

Skills

Python

Django

PostgreSQL

RESTful API design

Celery

AWS deployments

Unit and integration testing

Education

5+ years in back-end development

Tools

Django REST Framework

Job description

See what you can do with Prophix®

Prophix helps finance teams work with greater flexibility and confidence through Prophix One™, our Financial Performance Platform. We bring planning, reporting, and automation together so people can focus on higher-value work instead of repetitive tasks. As we introduce more AI-enabled capabilities, you will be part of a human-centered innovation journey where intelligent tools support better outcomes while people lead the decisions that matter.

We're headquartered in the Greater Toronto Area, with teams and offices across North America, Europe, and Australia.

Back-End Developers are critical members of the product development team responsible for designing and implementing scalable, secure, and high-performance server-side applications. You will work closely with the architecture, DevOps, and front-end teams to power Prophix’s next-generation data-driven capabilities.

What You Will Do

• Design, develop, and maintain RESTful APIs using Python, Django, and Django REST Framework.
• Build and optimize PostgreSQL databases, including indexing, partitioning, and query optimization.
• Implement asynchronous background tasks and scheduled jobs using Celery and Celery Beat.
• Design robust authentication and authorization systems using Django Allauth.
• Develop and maintain data processing pipelines using NumPy and Pandas.
• Collaborate closely with front-end developers and product teams to ensure seamless integration and high-quality deliverables.
• Maintain test coverage and use performance profiling tools to improve system reliability.

What You Will Bring

If this role excites you but you don’t meet every requirement, we still encourage you to apply. At Prophix, curiosity, adaptability, and diverse perspectives matter. Your experience may be exactly what we need.

Required Qualifications

• A mix of experience, training, or education that helps you succeed in this role
• 5+ years of professional experience in back-end development.
• Strong proficiency in Python and Django/Django REST Framework.
• Expertise in PostgreSQL with a focus on performance and complex data modeling.
• Experience with Celery and Celery Beat for asynchronous and scheduled tasks.
• Strong background in RESTful API design and third-party API integration.
• Proficiency AWS-based deployments.
• Experience writing unit and integration tests for Django applications.
• Comfort using AI tools responsibly to support tasks such as research, drafting, or data review
• Ability to learn new tools and adapt as technology evolves
• Curiosity and openness to exploring new approaches
• Collaborative mindset when working with teams and technology
• Must be legally entitled to work in the country where this role is located

What Success Looks Like

• 30 days: You understand our tools, product, and people
• Within 90 days: You work independently on meaningful tasks
• Within 6 months: You contribute ideas, improvements, and measurable impact

Why Join Prophix?

Prophix builds technology that helps organizations plan, forecast, and make better decisions through Prophix One™, our Financial Performance Platform. You’ll work with colleagues and customers across multiple regions, contribute to a platform used by thousands of organizations, and help advance our AI-enabled capabilities that support smarter, more human-centred work. You’ll also have opportunities to grow your skills, learn modern tools, and collaborate with leaders who value continuous improvement.

We offer flexibility depending on team needs and employee location, and our work is anchored in our values: Pursue Excellence, Build with Purpose, Create Wins for All, and Drive Continuous Innovation.

What’s Included for You?

• Comprehensive health, dental, vision, and mental-health coverage
• Retirement savings with employer contributions
• Parental leave top-up
• Annual wellness allowance
• Generous paid time off including vacation and sick time
• Social events, team activities, and opportunities to build community
• Opportunities to participate in Environmental, Social, and Governance (ESG) initiatives
• Quarterly Town Halls and Kickoffs that bring teams together to celebrate wins, share updates, and look ahead at what’s next

Apply Now!

If this feels like the right environment for you, we’d love to meet you and help you build your career as a Phixer!

Accessibility & AI Transparency

Prophix promotes an accessible hiring process. If you need accommodation at any stage, we’ll work with you. Some interviews may be recorded so our hiring team can review and assess responses fairly and consistently. As part of our commitment to Responsible AI, we use a small number of AI-supported tools to help with tasks like resume review, shortlisting, or creating interview summaries. AI is never used as the sole basis for hiring decisions, and your personal data is never used to train AI models. If you'd prefer not to take part in any AI-assisted step, just let us know and we’ll be happy to accommodate.