Python/Full-Stack Developer

Innova Solutions•New York, NY

4h•Onsite

About The Position

Innova Solutions is hiring a Python / Full-Stack Developer on a contract basis for 12+ months, onsite in New York, NY. The role is on the Equity Derivatives Technology team, supporting development and enhancement of Stark, an internal platform for the Quantitative Investment Strategies (QIS) business. The developer will design, build, enhance, and support application components across the web UI and Python services. The position involves Python application engineering, full-stack web development, system and data integration, database and data-processing work, scheduled processing, and production support. The developer will work with business users, Quants, support and infrastructure teams, and application owners to build maintainable production-quality software and support business-critical applications. The role is open only to applicants who can be engaged on a W-2 basis; 1099 and Corp-to-Corp arrangements are not considered. The stated pay range is $60–$63 per hour, with the successful candidate’s pay depending on factors including education, experience, work location, duties, and certifications. Benefits are offered based on eligibility.

Requirements

Approximately 3+ years of professional software development experience, with substantial recent hands-on Python development.
Strong Python, object-oriented design, application architecture, package and 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.
Demonstrated 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.
Applicants must be eligible to work on a W-2 basis; 1099 contractors and Corp-to-Corp arrangements are not considered.

Nice To Haves

Strong experience in backend development.
Experience with modern front-end development using HTML and CSS.
Experience with frameworks such as Streamlit, Quart, FastAPI, or Flask.
Experience with PostgreSQL, SQL Server, QuestDB, or equivalent relational and time-series data platforms.
Experience integrating with Bloomberg or Murex.
Experience with GraphQL, file-based feeds, and messaging or event-driven interfaces.

Responsibilities

Design, develop, enhance, and maintain production-quality Python applications and services.
Create modular, reusable, testable components and improve the structure of an established codebase.
Refactor and modernize legacy scripts and applications to improve maintainability, scalability, performance, and operational resilience.
Participate in technical design, code reviews, automated testing, release activities, 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, operational monitoring, exception management, and user-driven actions.
Integrate web UI components with Python backend services, APIs, databases, and application workflows.
Enhance Python-based web applications using frameworks such as Streamlit, Quart, FastAPI, or Flask, as applicable.
Apply UI engineering practices for usability, validation, security, maintainability, and responsive performance.
Develop integration components that retrieve source data from internal applications and third-party providers.
Build and consume REST APIs, GraphQL APIs, database interfaces, file-based feeds, and messaging or event-driven interfaces.
Implement data validation, normalization, transformation, reconciliation, caching, retry, timeout, idempotency, and error-handling controls.
Integrate with market and reference data platforms such as Bloomberg and enterprise systems such as Murex, where applicable.
Work with upstream and downstream owners to define interface contracts, diagnose data-quality issues, and manage integration changes.
Develop efficient data-access and transformation components using SQL, Python, Pandas, and appropriate database libraries.
Work with relational and time-series data platforms such as PostgreSQL, SQL Server, QuestDB, or equivalent technologies.
Support batch and scheduled processing, including dependency management, restartability, auditability, and operational controls.
Diagnose failed jobs, stale or missing data, reconciliation breaks, and upstream or downstream processing issues.
Improve logging, monitoring, observability, exception handling, alerting, performance, and resiliency for production applications.
Build unit, integration, API, UI, and regression tests and support reliable automated deployments.
Contribute to Git-based development, CI/CD, release management, configuration management, and environment promotion processes.
Produce technical documentation, runbooks, interface specifications, and support procedures.