---
title: "Principal Software Engineer - (C#… – New York, NY +1"
canonical: "https://www.metaintro.com/job/principal-software-engineer-c-and-the-net-core-ecosystem-python-24130f04-f0fd-5082-81b8-019618f8cb66"
language: "en"
author: "Metaintro"
---

[/company/10051-factset-brasil-consultoria-ltda](/company/10051-factset-brasil-consultoria-ltda)[10051 FactSet Brasil Consultoria Ltda](/company/10051-factset-brasil-consultoria-ltda)
# Principal Software Engineer - (C# and the.NET Core ecosystem, Python) - Hybrid at 10051 FactSet Brasil Consultoria Ltda

Compensation · Listed in posting

$165,000 – $215,000/yr

**Location**
: New York, New York · Norwalk, Connecticut

**Type**
: Full-time

**Level**
: staff+

**Posted**
: Sep 29, 2026

## Description

FactSet is hiring a Principal Software Engineer to design, build, and enhance backend services and APIs for its Investment Book of Record (IBOR). The role requires expert C# and.NET Core development, Python data processing, scalable architecture, MongoDB and MySQL database work, RESTful API experience, and mentorship of junior engineers. Candidates need at least 10 years of professional software engineering experience, significant financial-services experience, and a bachelor's degree in a relevant field. The budgeted salary range for Connecticut and New York is $165,000 to $215,000.

## Trending job searches

Every query opens live roles, salary samples, and market demand — tap a search to run it instantly.

- [Find Principal Software Engineer - - Hybrid jobs in New York, New York, United States](/jobs/search?q=Find+Principal+Software+Engineer+-+-+Hybrid+jobs+in+New+York%2C+New+York%2C+United+States)
- [Find roles similar to Principal Software Engineer - - Hybrid in New York, New York, United States](/jobs/search?q=Find+roles+similar+to+Principal+Software+Engineer+-+-+Hybrid+in+New+York%2C+New+York%2C+United+States)
- [Find remote Principal Software Engineer - - Hybrid jobs](/jobs/search?q=Find+remote+Principal+Software+Engineer+-+-+Hybrid+jobs)
- [Find Principal Software Engineer - - Hybrid jobs with C# and.NET Core](/jobs/search?q=Find+Principal+Software+Engineer+-+-+Hybrid+jobs+with+C%23+and+.NET+Core)
- [Find jobs similar to Principal Software Engineer - - Hybrid](/jobs/search?q=Find+jobs+similar+to+Principal+Software+Engineer+-+-+Hybrid)
- [Find Principal Software Engineer - - Hybrid jobs posted this week](/jobs/search?q=Find+Principal+Software+Engineer+-+-+Hybrid+jobs+posted+this+week)
- [Find Principal Software Engineer - - Hybrid jobs paying $160,000 or more per year](/jobs/search?q=Find+Principal+Software+Engineer+-+-+Hybrid+jobs+paying+%24160%2C000+or+more+per+year)
- [Find Developer jobs in New York, New York, United States](/jobs/search?q=Find+Developer+jobs+in+New+York%2C+New+York%2C+United+States)

## Get More from Metaintro

Unlock powerful job search, personalized recommendations, and deep career insights from comprehensive, market-leading data and live market signals.

- [Browse all jobs](/jobs/search)
- [Access help center](/help)
- [Explore our content](/blog)

![](https://cdn.metaintro.com/rs:fill:1200:800/q:30/plain/images/bridges/bridge-expand.1df895c6bd76d96f.png)

For job seekers

## Ready to find a role that actually fits?

Upload your résumé, start a Job Search Thread, and let Metaintro rank real openings against your experience — then guide you from search to offer.

[Get Started Free](/signup)[Search matching jobs](/jobs/search)

Match

Compare live roles against your current evidence.

Position

Turn proof projects into role-specific applications.

Improve

Use market feedback to keep the skill plan current.

[Return to navigation](#main-navigation)