Python Full Stack Developer

Quick Facts

• Role: Python Full Stack Developer
• Duration: 6-month contract (possible extensions or option to hire)
• Work mode: 5 days on-site
• Compensation: $60–64/hour on W2 (DOE); C2C may be possible

Description

Build and enhance production-quality Python applications and services, including Web UI components and data-processing layers. Integrate front-end workflows with Python backend services, APIs, databases, and external data providers while providing production support and engineering-quality improvements. The role focuses on engineering established business and quantitative logic.

Responsibilities

• Design, develop, enhance, and maintain production Python applications and services
• Create modular, reusable, testable components; refactor and modernize legacy code
• Participate in technical design, code reviews, automated testing, releases, and production troubleshooting
• Design, build, and maintain Web UI components used by front-office, business, and technology users
• Develop interactive workflows for data visualization, process initiation, monitoring, exception management, and user actions
• Integrate Web UI components with Python backend services, APIs, databases, and application workflows
• Implement integration components for source data from internal apps and third-party providers
• Build and consume REST and GraphQL APIs, database interfaces, file feeds, and messaging/event-driven interfaces
• Implement data validation, normalization, transformation, reconciliation, caching, retry, timeouts, idempotency, and error-handling controls
• Integrate with market/reference data platforms (e.g., Bloomberg) and enterprise systems (e.g., Murex) where applicable
• Develop SQL/Python/Pandas-based data-access and transformation components
• Support scheduled/batch processing with dependency management, restartability, and auditability
• Diagnose failed jobs, stale/missing data, and reconciliation breaks
• Provide development support for business-critical production applications
• Improve logging, monitoring, observability, exception handling, alerting, performance, and resiliency
• Build unit/integration/API/UI/regression tests and support reliable automated deployments
• Contribute to Git-based development, CI/CD, release and configuration management, and environment promotion
• Produce technical documentation, runbooks, interface specifications, and support procedures

Requirements

• 3+ years of professional software development with substantial recent hands-on Python development
• Strong Python and software engineering fundamentals (OOP, architecture, package/module design)
• Proven experience developing and supporting production-grade Python applications and services
• Hands-on experience building Web applications/Web UI components connected to back-end services
• Strong API and system-integration experience, including REST and enterprise data interfaces
• Strong SQL and data-processing experience; practical Pandas (or equivalent libraries)
• Experience maintaining and enhancing large existing codebases and debugging unfamiliar components
• Strong automated testing experience, preferably with pytest (including mocking and integration testing)
• Experience with Git, CI/CD, Linux and/or Windows server environments, and production release processes
• Ability to troubleshoot application, data, integration, performance, and scheduled-job failures
• Clear communication skills and ability to collaborate with business users, Quants, support teams, infrastructure teams, and application owners

Benefits

• 6-month contract with possible extensions or an option to hire
• 5 days on-site working model
• $60–64/hour on W2 (DOE); C2C may be possible