Senior API & FIX Trading Integrations Lead

Cantor Fitzgerald; New York (NY); On-site; USD 160,000 - 170,000; Full time

Job summary

Cantor Fitzgerald is seeking a Senior Technical Account Manager to serve as the primary technical liaison for external banks, PTFs, and buy-side clients, driving design, implementation and support of proprietary binary and FIX APIs across regions.

You will work with sales, product specialists, and internal teams to manage pre-sales scoping, post-sales rollout and ongoing enhancements, ensuring seamless e-trading and STP integrations while handling complex client issues.

Qualifications

• 5+ years experience in a financial institution or fintech firm with client-facing responsibilities.
• 7+ years of hands-on experience with FIX protocol implementations.
• Strong understanding of capital markets, front/middle/back-office systems, and trading workflows.
• Experience with third-party trading software, connectivity vendors, and VeriFIX or similar testing tools.
• Proficiency in Linux/Unix environments and networking protocols (TCP/IP, UDP).
• Proven ability to prioritize, own tasks, and maintain attention to detail across multiple projects.
• Excellent communication and interpersonal skills; able to work independently and within teams.
• Self-starter with a proactive, adaptable attitude and ability to stay calm under pressure.
• Demonstrated success in pre-sales scoping and post-sales technical support for API integrations.
• Ability to document requirements, create training content, and convey technical concepts clearly.

Responsibilities

• Partner with sales and product specialists to identify, qualify, and expand revenue opportunities.
• Develop comprehensive integration plans with clients for multi-region deployment of APIs and financial products.
• Provide technical and development support for binary/FIX APIs covering market data, order entry, and STP.
• Coordinate release, testing, and rollout of new API versions and enhancements with clients and internal teams.
• Serve as 3rd-level support for production issues, troubleshooting integration problems and ensuring resolution.
• Build and maintain strong relationships with client technology teams across vertical and horizontal functions.
• Gather client feedback, translate requirements into actionable product enhancements, and liaise with development.
• Document procedures, create training materials, and educate clients on product usage.
• Manage multiple integration projects simultaneously while maintaining focus and composure under pressure.
• Collaborate with external software vendors to ensure seamless connectivity and integration.

Skills

Client-facing experience

FIX protocol implementations

API integrations

Pre-sales scoping

Post-sales technical support

Linux/Unix proficiency

Networking protocols

Communication skills

Self-starter under pressure

Technical liaison

Tools

VeriFIX

Trading software/connectivity vendors

Job description

Cantor Fitzgerald is seeking a Senior Technical Account Manager to serve as the primary technical liaison for external banks, PTFs, and buy-side clients, driving design, implementation and support of proprietary binary and FIX APIs across regions.

You will work with sales, product specialists, and internal teams to manage pre-sales scoping, post-sales rollout and ongoing enhancements, ensuring seamless e-trading and STP integrations while handling complex client issues.