Python Fullstack Developer

Cb • New York, NY

2d

About The Position

The Python Fullstack Developer will develop and support production-grade Python applications and services, including web applications and user-interface components connected to backend services. The role involves working with APIs, enterprise data interfaces, databases, and data-processing workflows; maintaining and enhancing large existing codebases; and diagnosing application, data, integration, performance, and scheduled-job failures. The developer will collaborate and communicate with business users, Quants, support and infrastructure teams, and application owners.

The position calls for substantial recent hands-on Python experience and strong software engineering, architecture, testing, and production-release skills. Preferred experience includes Python web frameworks, modern front-end technologies, financial-services and market-data integrations, enterprise scheduling and messaging, and contemporary deployment and observability tools. Compensation is $50.00–$55.00 per hour.

Requirements

• Approximately 3 or more years of professional software development experience, with substantial recent hands-on Python development.
• Strong Python, object-oriented design, application architecture, package/module design, and software engineering fundamentals.
• Proven experience developing and supporting production-grade Python applications and services.
• Hands-on experience building web applications and web UI components connected to backend services.
• Strong API and system-integration experience, including REST and enterprise data interfaces.
• Strong SQL, database integration, and data-processing experience; practical experience with Pandas or equivalent libraries.
• Experience maintaining and enhancing large existing codebases, including debugging unfamiliar components.
• Strong automated testing experience, preferably with pytest, including effective 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 work with business users, Quants, support teams, infrastructure teams, and application owners.

Nice To Haves

• Experience with Python web frameworks such as Streamlit, Quart, FastAPI, or Flask.
• Modern front-end development experience using React, JavaScript or TypeScript, HTML, and CSS.
• Experience with PostgreSQL, SQL Server, QuestDB, Xenomorph TimeScape, or other time-series/data platforms.
• Experience integrating Bloomberg, Refinitiv, Murex, or comparable market-data and capital-markets systems.
• Experience with enterprise scheduling tools such as Tidal and messaging technologies such as Kafka or ActiveMQ.
• Experience with GitLab CI/CD, containerization, automated deployment, and modern observability tooling.
• Financial-services or capital-markets technology experience, ideally in Equity Derivatives, structured products, QIS, or market data.

Responsibilities

• Develop and support production-grade Python applications and services.
• Build web applications and web UI components connected to backend services.
• Develop and maintain APIs, system integrations, SQL database integrations, and data-processing workflows.
• Maintain and enhance large existing codebases, including debugging unfamiliar components.
• Write automated tests, including mocking and integration tests.
• Troubleshoot application, data, integration, performance, and scheduled-job failures.
• Participate in CI/CD, production release processes, and work in Linux and/or Windows server environments.
• Communicate and collaborate with business users, Quants, support teams, infrastructure teams, and application owners.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Education Level: No Education Listed