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Hoosier Financial Planning · 3 months ago

Principal Software Engineer - (C# and the .NET Core ecosystem, Python) - Hybrid

New York, NY

Full-time

Hybrid

Lead/Staff

$165K/yr - $215K/yr

10+ years exp

FactSet Research Systems is a leading provider of flexible, open data and software solutions for investment professionals. They are seeking an accomplished Principal Software Engineer to join the core team responsible for the Investment Book of Record (IBOR), focusing on designing, building, and enhancing services and interfaces for the platform.

ConsultingCustomer ServiceFinancial ServicesPersonal Finance

Responsibilities

Design, develop, and maintain robust backend services and APIs using C# (.NET Core), focusing on high throughput and low latency

Build data processing pipelines, reconciliation tools, and analytical scripts using Python, leveraging libraries like Pandas and NumPy

Contribute to architectural and design decisions, ensuring our solutions are scalable, resilient, and maintainable. Participate in code reviews to maintain high standards of quality

Work with our database systems (MongoDB and MySQL) to ensure data integrity and performance

Work closely with Product Managers to understand requirements

Guide and mentor junior engineers

Qualification

C#.NET CorePythonRESTful APIsFinancial services experienceDatabase managementCloud platforms (AWS)Containerization (Docker/ECS)ServiceStackMentorship

Required

10+ years of professional software engineering experience

Expert-level proficiency in C# and the .NET Core ecosystem for building enterprise-grade backend systems

Strong professional experience with Python for data analysis, scripting, or backend services

Significant experience in the financial services industry, with a strong grasp of the trade lifecycle, financial instruments (equities, fixed income, derivatives), and position management concepts

Experience building and consuming RESTful APIs and a solid understanding of software design patterns

Bachelor's degree in Computer Science, Engineering, Mathematics, or a related field