FactSet Tech Stack

Financial data platform and analytics for investment professionals

Financial Services Norwalk, Connecticut 10,001+ employees Founded 1978 Public Company

FactSet operates a multi-decade financial data and software business serving tens of thousands of investment professionals globally. The tech stack reflects a hybrid legacy-to-cloud transition: strong .NET and SQL Server presence alongside AWS infrastructure (Glue, EKS, MSK), with active adoption of Claude, GitHub Copilot, and RAG—signaling investment in AI-assisted analytics and data pipelines. The hiring mix is product-heavy (116 roles) with substantial data (86) and engineering (79) depth, while projects cluster around migrating legacy performance solutions and integrating siloed datasets, suggesting FactSet is modernizing its core platform architecture.

Tech Stack 126 technologies

Core Stack.NET JavaScript TypeScript Angular Vue Python Pandas NumPy AWS GitHub Linux SQL Server PostgreSQL C++ AWS Glue Databricks Apache Spark React Java HTML CSS Excel FactSet Workstation Perl NET Core Git SQL AWS EKS AWS MSK Windows+88 more

AdoptingAWS Cursor GitHub Copilot Azure Azure SQL FactSet Workstation Claude Nexus+3 more

What FactSet Is Building

◆Challenges

Transitioning from factset b-one to fps
Migrating legacy performance solutions
Integrating siloed datasets
Ensuring data accuracy and consistency
Integrating gips compliance
Reducing reliance on third-party data spend
Real-time data quality assurance
Scaling product reliability
Scaling ml infrastructure
Improving data coverage metrics

▲Active Projects

Legacy performance solution to fps transition
Performance solution design and documentation
New feed integration
Tmt data integration
Client solutioning process from legacy to fps
Advanced reports rollout
Portfolio services dashboard queue
Design and document performance solutions tailored to client business requirements
Index data distribution
Deal-related collection tools implementation

Hiring Activity

Steady450 roles · 150 in 30d

Department

Product

116

Data

Engineering

Sales

Support

Research

Ops

Finance

Seniority

Senior

167

Mid

Principal

Junior

Intern

Lead

Director

Manager

Notable leadership hires: Team Lead Ops, Team Lead, Sales Director, Business Agility Lead

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About FactSet

FactSet provides financial data, analytics, and portfolio management software to investment managers, traders, wealth advisors, and research teams across asset management, investment banking, and compliance. The company maintains 60+ offices in 23 countries and serves tens of thousands of investment professionals. Core offerings span portfolio analytics, order and execution management, risk and compliance tooling, and client reporting. A 95% annual retention rate among asset managers reflects entrenched integration into buy-side workflows. The business is a 10,000+ person public company founded in 1978.

HeadquartersNorwalk, Connecticut

Company Size10,001+ employees

Founded1978

Hiring MarketsPhilippines, Japan, India, United Kingdom, United States, Singapore, Bulgaria, France

Frequently Asked Questions

What technology stack does FactSet use?

FactSet's stack includes .NET, C++, Java, Python, SQL Server, PostgreSQL, and AWS services (Glue, EKS, MSK, Databricks). Frontend is Angular, Vue, and React. The company is actively adopting Azure, Claude, GitHub Copilot, and RAG-based systems.

Where is FactSet headquartered and where do they hire?

FactSet is based in Norwalk, Connecticut and operates 60+ offices in 23 countries. Active hiring occurs in the United States, United Kingdom, India, Philippines, Japan, Singapore, and 9 other countries.