Principal Trading Engineer

Company: Fidelity Investments
Location: Harrison
Posted on: February 1, 2026

Job Description:

Fidelity Investments, a leading global financial services firm with a significant presence in asset management and retirement planning, is seeking a highly skilled Principal Trading Engineer. This position is pivotal in optimizing our trading systems and infrastructure to improve the execution of financial transactions across various asset classes. By joining our IT & Data Management team, you'll work at the intersection of finance and technology, leveraging cutting-edge innovations to enhance our trading platforms and contribute to our firm's market competitiveness. Design, develop, and implement sophisticated trading systems and algorithms. Collaborate with multi-disciplinary teams to integrate trading solutions across various platforms. Analyze market data and trading patterns to identify optimization opportunities. Ensure compliance with all regulatory requirements and maintain system integrity. Monitor system performance, troubleshoot issues, and ensure operational excellence. Stay abreast of the latest industry trends and technologies to maintain competitive advantage. Expertise in algorithmic trading and quantitative finance. Strong programming skills in one or more of the following: Python, C++, Java. Experience with distributed systems and microservices. Proficient in data analysis and financial modeling. Excellent problem-solving and communication skills. Medical Insurance Dental Insurance Vision Insurance Life Insurance 401k CFA or similar is desirable but not required. Certification in Financial Markets or Algorithmic Trading is a plus.

Keywords: Fidelity Investments, Greenwich , Principal Trading Engineer, IT / Software / Systems , Harrison, Connecticut