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.

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