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Market Data and Integrations Lead Software Engineer - Multi-thread, Java, Financial Trading App

Job in Norwalk, Fairfield County, Connecticut, 06860, USA
Listing for: FactSet
Full Time position
Listed on 2026-02-08
Job specializations:
  • Software Development
    Software Engineer, Backend Developer
Job Description & How to Apply Below
Position: Market Data and Integrations Lead Software Engineer - Multi-thread, Java, Financial Trading App[...]

Overview

Fact Set creates flexible, open data and software solutions for over 200,000 investment professionals worldwide, providing instant access to financial data and analytics that investors use to make crucial decisions. At Fact Set, our values are the foundation of everything we do. They express how we act and operate, serve as a compass in our decision-making, and play a big role in how we treat each other, our clients, and our communities.

We believe that the best ideas can come from anyone, anywhere, at any time, and that curiosity is the key to anticipating our clients’ needs and exceeding their expectations.

We are seeking a talented and experienced Lead Software Engineer to join our engineering team. In this role, you will help design and develop financial trading applications and work with our market data infrastructure
. You will be part of a passionate team working on mission-critical systems, leveraging object-oriented programming, primarily in Java, to build scalable, robust trading applications.

Responsibilities
  • Design, develop, and maintain high-performance features across complex, multi-threaded backend (Java) components.
  • Troubleshoot and resolve complex technical issues within a fast-paced financial trading environment.
  • Participate in code reviews, mentor junior engineers, and uphold high standards for code quality, usability, and performance.
  • Optimize application performance for both backend processes and frontend user experience, focusing on scalability and low latency.
  • Contribute to feature planning, architectural discussions, and technical documentation.
Job Requirements
  • 6+ years of software engineering experience required, preferably including Java
  • Excellent problem-solving and execution skills
  • Significant experience with multi-threaded applications
  • Strong experience with unit testing
Desired Skills
  • Knowledge of the financial trading ecosystem
  • Full-stack engineering experience
  • Experience writing high performance code
Education
  • Bachelor’s degree in computer science or relevant field

The budgeted salary range for this position in the states of Connecticut and New York is $ - .

Fact Set (NYSE:

FDS | NASDAQ:

FDS) helps the financial community to see more, think bigger, and work better. Our digital platform and enterprise solutions deliver financial data, analytics, and open technology to more than 8,200 global clients, including over 200,000 individual users. Clients across the buy-side and sell-side, as well as wealth managers, private equity firms, and corporations, achieve more every day with our comprehensive and connected content, flexible next-generation workflow solutions, and client-centric specialized support.

As a member of the S&P 500, we are committed to sustainable growth and have been recognized among the Best Places to Work in 2023 by Glassdoor as a Glassdoor Employees’ Choice Award winner. Learn more at  and follow us on X and Linked In.

At Fact Set, we celebrate difference of thought, experience, and perspective. Qualified applicants will be considered for employment without regard to race, color, religion, national origin, sex, sexual orientation, gender identity, disability, protected veteran status or other characteristics protected by law. Fact Set participates in E-Verify.

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