Python Developer

HMG AMERICA LLC; Tacoma (WA); On-site; USD 108,000 - 132,000; Full time

Job summary

HMG AMERICA LLC in Washington, DC seeks an experienced Python backend engineer to deliver production-grade backend services and calculation tools. The role is four days onsite weekly, with a target compensation around 120,000 USD per year.

You will design REST APIs with FastAPI or equivalent, work with PostgreSQL, and collaborate with product, QA, and DevOps teams to ship reliable software in an Agile, multicultural setting.

Qualifications

• 8+ years of professional Python development experience delivering secure, scalable backend applications or calculation services.
• Strong proficiency in modern Python, OOP, modular architecture, reusable libraries, type validation, and PEP 8.
• Experience building REST APIs using FastAPI or an approved equivalent framework with request validation, versioning, authentication, error handling, and OpenAPI docs.
• Strong knowledge of SQL and PostgreSQL, including data modeling, queries, indexing, transactions, and performance optimization.
• Experience enabling automation and productivity improvements using AI, Generative AI, scripting, and developer tooling.
• Experience with Pydantic, PyTest, importlib, caching, configuration management, and reusable Python utilities.
• Experience translating complex rules or models into deterministic, testable software components.
• Experience designing automated unit/integration/regression/API tests with evidence-based defect analysis.
• Experience with Microsoft Azure services, DevOps, CI/CD pipelines, secrets management, logging, and production support.

Skills

Analytical thinking

Communication

Problem-solving

Tools

Python

FastAPI

REST APIs

SQL

PostgreSQL

Pydantic

PyTest

Azure DevOps

Azure App Service

OpenAPI

Caching

Importlib

Job description

Work Location: - Washington, DC (4 days onsite in a week).

Rate: - 120K/Annum

• 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 Fast API or an approved equivalent framework, including request validation, API versioning, authentication, structured error responses, and Open API 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.