FactSet

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

FactSet
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4 days ago
Norwalk, CT, USA or New York, NY, USAStaff+
H1B sponsor

Base Salary

$165k - $215k/yr

Responsibilities

  • Design, develop, and maintain high-throughput, low-latency backend services and APIs using C# and .NET Core.
  • Build data-processing pipelines, reconciliation tools, and analytical scripts in Python using Pandas and NumPy.
  • Contribute to scalable, resilient, and maintainable system architecture and participate in code reviews.
  • Work with MongoDB and MySQL to maintain data integrity and performance.
  • Collaborate with Product Managers to understand requirements.
  • Guide and mentor junior engineers.

Requirements

  • At least 10 years of professional software engineering experience.
  • Expert-level proficiency in C# and the .NET Core ecosystem for enterprise-grade backend systems.
  • Strong professional experience with Python for data analysis, scripting, or backend services.
  • Significant financial-services industry experience, including knowledge of trade lifecycles, equities, fixed income, derivatives, and position management.
  • Experience building and consuming RESTful APIs and understanding software design patterns.
  • Bachelor’s degree in Computer Science, Engineering, Mathematics, or a related field.
  • Preferred: direct IBOR or Portfolio Management System experience, AWS and Docker/ECS experience, and ServiceStack experience.

Benefits

  • Hybrid work arrangement.
  • Budgeted salary range of $165,000.00–$215,000.00 for positions in Connecticut and New York.

Tech Stack

AWSC#DockerMongoDBMySQLNumPyPandasPython

Categories

FactSet

About FactSet

10,000+ employees

FactSet builds a financial data and analytics platform used by asset managers, investment banks, hedge funds, and wealth managers for research, portfolio management, trading, and risk. Its products include the FactSet workstation, data feeds and APIs, and workflow tools like OMS/EMS, sold primarily via subscription licensing. Founded in 1978 and headquartered in Norwalk, Connecticut, FactSet is a public company listed on the NYSE (ticker: FDS).

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