Developer

Fidelity TalentSource is your destination for discovering your next temporary role at Fidelity Investments. We are currently sourcing for a Quant Developer (KDB+/Python) to work in Jersey City, NJ or Westlake, TX!

The Team

Fidelity Wealth’s Trade Management Engineering group is responsible for building world-class electronic trading solutions for Fidelity’s Capital Markets division. We are a high-performing, fast-paced technology team working with cutting-edge tools to deliver low-latency, high-throughput trading platforms. Our work spans across internal and external teams to build flawless, end-to-end electronic trading workflows.

The Role

We are seeking a highly experienced software engineer to lead the design and development of next-generation trading systems. This is a hands-on technical leadership role focused on building scalable, resilient, and high-performance trading infrastructure. You’ll collaborate across teams, mentor engineers, and drive innovation in a mission-critical environment.

• Design, develop, and optimize KDB+ databases and q analytics for high?volume trading and market data
• Develop Python-based AI and quantitative models for research, prediction, classification, and signal generation
• Apply machine learning techniques to time?series data (feature engineering, model training, evaluation)
• Build research and backtesting frameworks integrating AI models with historical data
• Translate quantitative and ML research into robust, production-ready systems
• Integrate AI models into real-time and batch pipelines
• Optimize analytics and model evaluation for performance, stability, and scalability
• Collaborate with quants, product owners, and engineering teams on model deployment and monitoring

The Expertise You Have:

• Bachelor’s degree in Mathematics, Computer Science, Engineering, Information Technology, or equivalent.
• 10+ years professional experience in quantitative finance or trading systems
• Advanced proficiency in KDB+/q, including:
• Time?series data modeling
• High?performance querying and joins
• Real?time and historical analytics
• Strong Python skills for:
• Quantitative analysis
• AI / ML model development
• Integration with KDB+ and downstream systems
• Experience working with large-scale, high?frequency, or noisy datasets
• Solid software engineering practices (Git, testing, modular design)
• Worked with AI developer assist tools (e.g. GitHub Copilot).
• Experience with CI/CD tools such as GitHub, Maven, Jenkins, Artifactory, and uDeploy.
• Hands-on experience in AWS or other cloud platforms.
• Familiarity with object-oriented programming languages such as Java
• Experience in Linux, shell scripting, and production support experience

The Skills You Bring:

• A strong quantitative mindset with practical AI application skills
• Ability to bridge research, machine learning, and production systems
• Comfort working on front?office or research-critical infrastructure
• Clear communicator with quants, traders, and engineers
• Willingness to support production systems and participate in on-call rotations, including occasional weekend support.

Please see the below pay rate range for the work location of New Jersey only : $70.00-$100.00 per hour.
Placement in the range will vary based on job responsibilities and scope, geographic location, candidate’s relevant experience, and other factors.


Please be advised that Fidelity’s business is governed by the provisions of the Securities Exchange Act of 1934, the Investment Advisers Act of 1940, the Investment Company Act of 1940, ERISA, numerous state laws governing securities, investment and retirement-related financial activities and the rules and regulations of numerous self-regulatory organizations, including FINRA, among others. Those laws and regulations may restrict Fidelity from hiring and/or associating with individuals with certain Criminal Histories.

Company Overview

At Fidelity, we are passionate about making our financial expertise broadly accessible and effective in helping people live the lives they want! We are a privately held company that places a high degree of value in creating and nurturing a work environment that attracts the best talent and reflects our commitment to our associates. We are proud of our diverse and inclusive workplace where we respect and value our associates for their unique perspectives and experiences. For information about working at Fidelity, visit FidelityCareers.com. Fidelity Investments is an equal opportunity employer. Fidelity will reasonably accommodate applicants with disabilities who need adjustments to complete the application or interview process.


Fidelity TalentSource, is the in-house temporary staffing provider for Fidelity Investments. Unlike traditional staffing agencies, we are an internal business unit within Fidelity’s Talent Acquisition team, dedicated to recruiting talent from various backgrounds for roles in Fidelity’s regional and investor center locations. Our mission is to help you experience Fidelity’s diverse and inclusive workplace while expanding your skill set and professional network, with the ultimate goal of conversion to full-time employment as part of Fidelity’s long-term strategy.


For information about working at Fidelity TalentSource, visit FTSJobs.com.


Fidelity TalentSource will reasonably accommodate applicants with disabilities who need adjustments in order to complete the application or interview process. Please email us at [email protected] if you would like to request an accommodation.