Job Description
Role: Python Developer (Angular & TypeScript)
Duration: 6+ months
Location: Remote, Canada
The Business Systems team’s main responsibility is to build, enhance, support, and innovate on a variety of key business facing applications that power Black Book’s operations. Our work spans API development, data processing, web applications, and analytics enablement. We use a modern technology stack that includes:
Front-End: Angular, TypeScript, Bootstrap, HTML5, SCSS
Back-End: Python, FastAPI, SQLAlchemy, Pydantic
Databases: SQL Server, MySQL
We are seeking a Software Engineer contractor to support our Business Systems team for a 6-month engagement. This role will focus on designing, developing, and evolving scalable production-grade applications for the Transactional Billing Automation platform.
Responsibilities
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Design, develop, and maintain the Transactional Billing Automation platform, including tracking contract information, prepaid usage blocks, rollovers, and calculating projected usage and balances.
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Build and support responsive web application and RESTful APIs to automate transactional billing operations and reduce manual processing.
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Develop dynamic UI components for managing customer contracts, multi-product selections, invoice details, and billing summaries.
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Implement business logic for prepaid balances, rollover amounts, block total calculations, invoice validations, and contract lifecycle management.
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Collaborate with product owners, software engineers, and QA engineers to gather billing requirements and deliver scalable automation solutions.
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Create reusable components, clean architecture patterns, and well-documented APIs to improve maintainability and long-term scalability.
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Develop unit tests, integration tests, and automated validation processes to ensure billing accuracy and support safe application enhancements.
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Participate in code reviews and enforced coding standards, security best practices, and performance optimization techniques.
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Develop operational dashboards and billing reports to provide visibility into contracts, prepaid usage, rollover balances, projected customer usage, and actual consumption trends.
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Follow development standards, branching strategies, and pull request workflows to deliver clean, secure, and maintainable code through reviews and testing.
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Support Agile development processes, including sprint planning, backlog refinement, stand-ups, demos, and retrospectives.
What You Will Bring
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Bachelor’s degree in computer science, Software Engineering, or a related field, or equivalent practical experience.
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3–5 years of experience as a full-stack developer, with demonstrated contributions to production applications.
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3–5 years of experience with front-end frameworks such as Angular and TypeScript.
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3–5 years of experience with Python, FastAPI, SQLAlchemy 2.x, JWT authentication, Redis caching, and asynchronous programming.
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Strong understanding of RESTful APIs, data flow, and integration patterns.
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Experience with HTML5, CSS3, and responsive design principles.
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Solid understanding of Object-Oriented Programming (OOP), component-based architecture (Angular), and service-oriented design patterns.
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Experience working with relational databases such as SQL Server and MySQL, including writing optimized SQL queries.
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Familiarity with version control systems such as Git.
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Working knowledge of Agile methodologies and tools such as Jira.
Nice to Have:
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Familiarity with tools and libraries such as Jinja2, Pytest, MyPy, and OpenTelemetry.
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Experience with Apache Superset for building interactive dashboards and data visualization.
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Contributions to open-source projects.
Additional Information
All your information will be kept confidential according to EEO guidelines.
