Are you a full stack developer who wants to build reliable, production-grade features on complex financial data, from backend services to client reporting?

We’re hiring an Intermediate Full Stack Python Developer to join an established financial software company building portfolio management software for banks and institutional clients. The role owns each feature from start to finish: understanding the business need, planning how it fits across the front end, backend, and data layer, and seeing it through testing and release.
Attentive to how software behaves once it is live, writing code that is maintainable, observable and straightforward to troubleshoot under production conditions
Someone who uses AI coding tools with discipline, treating agents as assistants to be directed and verified, with clear limits on what they can access
Location: Toronto, ON (Hybrid, 3 days per week)
Own product features end-to-end, analyzing requirements with stakeholders, designing the approach across the front end, backend, and data layer, and carrying the work through testing and release
Divide your time across the full stack, with the greater share on backend services and significant, ongoing involvement in front-end development
Design, build, and maintain Python services and APIs using FastAPI within a microservices architecture hosted on Azure
Develop maintainable user interfaces in React and TypeScript that present financial data and reporting to end users
Work within complex PostgreSQL data schemas, applying sound practices for data integrity and the protection of personally identifiable information




Build and maintain features that aggregate data from overnight and real-time feeds across multiple financial systems into end-user reporting
Investigate and resolve data issues in production, including identifying and optimizing slow-running queries
Direct AI coding agents such as Claude through implementation, use GitHub Copilot within code review, and configure your own agent tooling within the established architecture
⭐ 3+ years of professional software development experience, with a track record of delivering production features

- Solid Python backend experience with FastAPI or a comparable web framework, including RESTful API design, or strong backend experience in C#/.NET and readiness to work in Python
- Hands-on experience building production interfaces with React and TypeScript
- Strong SQL skills and relational database experience, ideally with PostgreSQL, including data modeling, query analysis, and performance tuning
- A sound understanding of microservices architecture and of how services, data feeds and integrations interact in a production system
- Practical experience with AI coding assistants or agents such as Claude Code, GitHub Copilot or Cursor, including providing context, reviewing generated code and verifying results,



or clear readiness to adopt them quickly
- Proficiency with Git and modern delivery practices, including code review and automated testing
- The ability to translate business requirements into a explicit implementation plan and to explain reasoning and trade-offs to technical and non-technical colleagues

Experience in FinTech, wealth management or portfolio management software
Experience with Azure services and CI/CD pipelines in Azure DevOps
Experience with production monitoring, log analytics, or support of business-critical systems
Complex Financial Data: The work draws on data from many financial systems, arriving both overnight and in real time
There are no restrictions on AI tools, and new ones are evaluated as soon as they appear
A Growing Scope: Developers are increasingly involved in how their work is deployed, monitored, and supported, giving you room to grow beyond writing code
Paid Time Off: Competitive vacation and personal days to maintain a healthy work-life balance
Health Benefits: Medical, dental, and vision benefits to support your overall well-being

At STACK IT Recruitment, we connect top talent with standout opportunities. If you meet at least 70% of the qualifications, we encourage you to apply — we’d love to chat!
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✨ We’re proud to support diversity and inclusion. AI Use Disclosure: STACK IT uses AI-enhanced tools to support initial candidate screening and interview note analysis.

📌 Développeur Full Stack (Python) (h/f) (IT)
🏢 STACK IT Recruitment
📍 Mississauga