Job Summary
Minimum 8 years of professional Python development experience delivering secure scalable and production quality backend applications or calculation services.
Strong proficiency in modern Python object oriented design modular architecture reusable libraries type validation dependency management and coding standards such as PEP 8.
Hands on experience developing REST APIs using FastAPI or an approved equivalent framework including request validation API versioning authentication
Responsibilities
Design develop enhance and support modular Python services and REST APIs for the EDGE V4 Calculation Engine.
Translate validated building science formulas rules assumptions and dependency flows into accurate maintainable and testable Python components.
Develop and integrate calculation capabilities for energy water materials embodied carbon baseline standards scenario simulation explainability anomaly management and cost related functions as prioritized by the product backlog.
Build reusable calculation libraries data models validation rules configuration services and version controlled datasets using Python FastAPI Pydantic SQL and PostgreSQL or approved equivalent technologies.
Integrate calculation services with the EDGE V4 application through well defined API contracts structured inputs and outputs secure authentication and reliable error handling.
Optimize calculation performance database queries caching asynchronous processing and service scalability for global usage and high volume calculation scenarios.
Create and maintain automated unit integration regression and API tests using PyTest or approved equivalent frameworks support system integration testing and user acceptance testing.
Maintain technical documentation API specifications calculation traceability data dictionaries setup guides deployment notes and support runbooks.
Participate in solution design code reviews backlog refinement sprint ceremonies release planning deployment defect resolution and post deployment support.
Implement production grade logging monitoring auditability exception handling retries configuration management and operational support procedures.
Things to know before you apply
- Work authorization: Cognizant will only consider applicants for this position who are legally authorized to work in Canada without requiring employer sponsorship, now or at any time in the future.
- Accommodations: If you have a disability that requires reasonable accommodation to search for a job opening or submit an application, please email [email protected] with your request and contact information.
- AI in hiring: We use artificial intelligence (AI) tools to help us screen and assess applications more efficiently. Our team performs additional human review and ultimately decides who moves forward in our hiring process.
- Open position: Unless otherwise stated, this job posting is for an open position on our team.
- Language proficiency: We ask that all candidates have basic English proficiency for company-wide communications purposes. For roles based in Quebec, professional English proficiency is required, as you’ll deliver services to and collaborate with stakeholders outside the province who may not speak French.
- Inclusion: Cognizant is an equal opportunity employer. Your application and candidacy will not be considered based on race, color, sex, religion, creed, sexual orientation, gender identity, national origin, disability, genetic information, pregnancy, veteran status or any other characteristic protected by federal, provincial or local laws.
About Cognizant
Cognizant (Nasdaq: CTSH) is an AI Builder and technology services provider, bridging the gap between AI investment and enterprise value by building full-stack AI solutions for our clients. Our deep industry, process and engineering expertise enables us to build an organization’s unique context into technology systems that amplify human potential, drive tangible outcomes and keep global enterprises ahead in a fast-changing world. See how at cognizant.ai or @cognizant.











