Quant Developer

On-site in Jersey City, NJ

Our client seeks a senior software engineer to lead design and development of next-generation electronic trading systems and data infrastructure. The role requires hands-on leadership building scalable, resilient, and high-performance platforms for capital markets, with emphasis on KDB+/q, Python, and AI/ML applied to time-series data. You will collaborate across quant, product, and engineering teams, mentor peers, and deliver robust production systems that support research, backtesting, and real-time trading workflows.

Due to client requirements, applicants must be willing and able to work on a w2 basis. For our w2 consultants, we offer a great benefits package that includes Medical, Dental, and Vision benefits, 401k with company matching, and life insurance.

Rate: $80.00 to $90.00/hr. w2

JN -052026-107108

• Lead design and development of low-latency, high-throughput trading systems and workflows.
• Design, develop, and optimize KDB+/q databases and analytics for high-volume market data.
• Develop Python-based AI and quantitative models for research, prediction, classification, and signal generation.
• Apply machine learning techniques to time-series data including feature engineering, model training, and evaluation.
• Build research and backtesting frameworks integrating AI models with historical data.
• Translate quantitative and ML research into production-ready, resilient 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 on deployment and monitoring.
• Support production systems and participate in on-call rotations, including occasional weekend support.

• 10+ years of professional experience in quantitative finance or trading systems.
• Advanced proficiency with KDB+/q for time-series modeling, high-performance querying, and real-time and historical analytics.
• Strong Python for quantitative analysis, AI/ML model development, and integration with KDB+ and downstream systems.
• Experience with large-scale, high-frequency, or noisy datasets.
• Solid software engineering practices including Git, testing, and modular design.
• Experience with AI developer assist tools such as GitHub Copilot.
• Experience with CI/CD tools such as GitHub, Maven, Jenkins, Artifactory, and uDeploy.
• Hands-on experience with AWS or other cloud platforms.
• Familiarity with Java or other object-oriented languages.
• Experience with Linux, shell scripting, and production support.
• Clear communication with quants, traders, and engineers.

• Bachelor’s degree in Mathematics, Computer Science, Engineering, Information Technology, or equivalent.

Recruitment Transparency Notice

Eliassen Group values transparency in our recruitment practices. Please be advised that Eliassen Group utilizes artificial intelligence (AI) tools as part of its initial application screening and hiring process. You may receive email and SMS notifications from the Eliassen Virtual Recruiting Team ( [email protected] , 781-808-2924) inviting you to complete a brief voice screening as part of your application process. These tools assist our hiring teams in different ways, including but not limited to, assistance in reviewing application materials to help identify candidates whose qualifications most closely match the requirements of the position. All AI-assisted evaluations and responses are reviewed by human recruiters before any hiring decisions are made. The use of AI in our process is intended to support fairness, efficiency, and consistency, and Eliassen Group takes measures to prevent bias or discrimination in connection with its hiring practices. By proceeding, you acknowledge, agree, and consent to Eliassen Group’s use of these tools, including AI tools, as part of the application and hiring process.

Skills, experience, and other compensable factors will be considered when determining pay rate. The pay range provided in this posting reflects a W2 hourly rate; other employment options may be available that may result in pay outside of the provided range.

· When you work with Eliassen Group, all email communication will come from an Eliassen.com address, never Gmail, Yahoo, etc.

· Eliassen Group will never ask you for personal information (home address, bank account, or check routing number) until you have worked with someone clearly associated with Eliassen Group.

If you have any indication of fraudulent activity, please contact [email protected] .

About Eliassen Group:

Eliassen Group is a strategic consulting firm that helps organizations reach further and achieve more through our technology, business advisory, and life sciences solutions. For nearly 40 years, we have combined exceptional people, deep domain expertise, and intelligent capabilities to expand our clients’ capacity and accelerate meaningful outcomes. We are driven by a purpose to positively impact the lives of our employees, clients, consultants, and the communities we serve.

Eliassen is committed to building a diverse and inclusive team from a variety of backgrounds, perspectives, and skills. We are an Equal Opportunity and Affirmative Action Employer and all employment decisions are based on merit, performance, and business needs. Eliassen does not discriminate on the basis of race, color, gender identity or expression, sexual preference or orientation, sex (including pregnancy, childbirth, and related medical conditions), marital status, creed, religion, physical or mental disability, genetic information, military or veteran status, age, ancestry, national origin, citizenship status, prohibited criminal record inquiries of applicants and employees, or any other category protected by federal, state, or local laws.

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