Python Developer (Only W2)

Job Description:

· Minimum 5 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, structured error responses, and OpenAPI documentation.

· Strong knowledge of SQL and PostgreSQL, including data modelling, queries, functions, indexing, transaction management, and performance optimization.

· Proven ability to identify opportunities for engineering automation and productivity improvements using AI, Generative AI, intelligent agents, scripting, and developer tooling; experience delivering practical solutions that reduce manual effort, improve code quality, accelerate testing, and enhance team effectiveness.

· Experience with Pydantic, PyTest, importlib, caching, configuration management, and development of reusable Python utilities and packages.

· Experience translating complex formulas, business rules, dependency graphs, or scientific models into deterministic, traceable, and testable software components.

· Experience designing automated unit, integration, regression, and API tests, with disciplined defect analysis and test evidence.

· Experience with Microsoft Azure services, App Service or approved container platforms, Azure DevOps, continuous integration and deployment pipelines, secrets management, logging, monitoring, and application support.

· Strong understanding of secure software development, data protection, auditability, resilience, performance, and production support practices.

· Working knowledge of building science, energy and water efficiency, materials, embodied carbon, cost calculations, or sustainability standards is preferred.

· Ability to collaborate with product owners, architects, building science specialists, quality assurance teams, user experience teams, DevOps teams, and business stakeholders.

· Excellent analytical, documentation, communication, and problem-solving skills, with experience working in Agile and multicultural delivery teams across time zones.