Senior FIX Onboarding Engineer (Electronic Trading)

Role summary Client onboarding for our electronic trading platform.

This role requires hands-on technical expertise in client onboarding, driving process improvements, and serving as an escalation point for complex integrations.

The ideal candidate has a deep understanding of the FIX protocol, FIX Integration, certification, and electronic trading workflows, along with the client-facing skills needed to manage relationships with top-tier financial institutions.

What you’ll do Set up FIX connectivity and complete certification with clients.

Manage complex integrations from test to production go-live.

Validate order routing, workflows, and post-trade allocations.

Coordinate with trading desks and technical stakeholders.

Improve onboarding playbooks, timelines, and documentation.

Handle escalations.

Must-have Bachelor’s or Master degree in Computer Science, Engineering, Finance, or related field. 5+ years in FIX integration/client onboarding.

Strong hands-on experience with FIX (4.2/4.4/5.0) and Multi-asset workflows (equities, futures, options, FX, etc.).

Deep knowledge of trading regulations, exchange rules, and evolving FIX standards to keep onboarding processes current.

Clear, confident communication with technical and business teams.

Experience across equities or futures workflows.

Problem-solving under time pressure.

Nice-to-have Exposure to OMS/EMS tools and connectivity logs.

Basic scripting/SQL and Python Expert.

Benefits What We Offer: Competitive compensation with leadership bonus structure.

Opportunity to shape and lead the onboarding function at a growing trading technology firm.

Exposure to leading-edge trading technology, market structure, and global clients.

A collaborative, fast-paced environment where your leadership drives impact.

How to apply Click Apply and share a brief note on your recent onboarding wins.

About BestEx Research BestEx Research builds next-generation execution algorithms and trading tools across multiple asset classes.

Our cloud-based platform provides high-performance algorithmic execution services to hedge funds, CTAs, asset managers, and banks through both a traditional electronic broker and a broker-neutral Software-as-a-Service (SaaS) model.

Our transparent, customizable solutions help clients reduce transaction costs and improve execution performance.

Visit www.bestexresearch.com for more information about our mission, products, research, and services. #LI-JM1