Sr. Python Developer for banking technology. Develop core banking applications, build automated tests, and collaborate with teams in a regulated financial environment.
Responsibilities
Design, develop, and maintain Python backend services and business logic supporting core banking platform capabilities. Build, execute, and maintain automated tests (unit, integration, end-to-end) to ensure high-quality deliverables. Translate complex business requirements into detailed technical designs, user stories, and acceptance criteria. Debug, troubleshoot, and resolve issues related to application logic, API integrations, and environment configurations. Conduct code reviews, refactor code, and document engineering standards to improve code quality. Contribute to CI/CD pipeline automation, build processes, static analysis, and dependency management. Collaborate with product, business analysts, QA, security, and infrastructure teams to deliver features efficiently and securely.
Requirements
5+ years of professional Python development experience. Extensive experience building backend systems and APIs, including REST and event-driven architectures. Proven ability to develop and maintain automated tests using tools like pytest or unittest. Strong understanding of data structures, design patterns, and clean coding practices. Experience working with Git-based workflows and version control systems. Experience with Canadian banking products such as checking accounts, savings accounts, TFSAs. Ability to operate in security-conscious, privacy-sensitive, and operationally controlled environments. Excellent communication skills and stakeholder management capabilities. Background in financial services or other regulated industries. Experience working within Agile delivery methodologies.
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