Senior Murex MX.3 Developer & Platform Lead

Santander US; New York (NY); On-site; USD 175,000 - 220,000; Full time

Job summary

Santander US is seeking a Murex Application Developer to lead design, development, implementation, and ongoing support of Murex MX.3 across Global Markets. You will collaborate with risk, finance, operations, architecture, and infrastructure to ensure scalable, compliant platforms.

The role requires extensive Murex MX.3 experience, strong leadership, and a track record delivering enterprise capital markets technology initiatives.

Qualifications

• 5+ years of Information Technology, Application Development, or Capital Markets Technology experience.
• 3+ years of hands-on experience implementing, configuring, developing, and supporting Murex MX.3.
• Extensive experience across Front Office, Market Risk, Credit Risk, Finance, Operations, Back Office, and/or Datamart modules.
• Strong understanding of OTC Derivatives, FX, Fixed Income, Equities, Securities Financing, and Money Markets.
• Experience with MxML Exchange, market data, static data, workflows, pricing, simulation, and reporting.
• Experience integrating Murex with enterprise platforms using APIs, messaging, and middleware technologies.
• Experience with Agile delivery, SDLC, DevSecOps, CI/CD, automated testing, and release management.
• Demonstrated ability to lead cross-functional teams and influence senior business and technology stakeholders.
• Strong analytical, communication, problem-solving, and leadership skills.
• Experience leading platform modernization, cloud adoption initiatives, and strategic technology transformation is preferred.
• Bi-Lingual/Spanish skills highly desired.

Responsibilities

• Lead the architecture, design, development, implementation, and support of strategic Murex MX.3 initiatives supporting Santander CIB Global Markets.
• Own delivery of enhancements across Front Office, Market Risk, Credit Risk, Finance, Operations, and Back Office domains.
• Design and configure Murex components including workflows, pricing, simulation, trade lifecycle, market data, static data, datamarts, and reporting.
• Partner with Trading, Risk, Finance, Operations, and Architecture teams to translate business requirements into scalable technology solutions.
• Lead platform upgrades, migrations, production releases, environment strategy, and vendor engagement with Murex Professional Services.
• Drive platform resiliency, performance tuning, production stability, operational excellence, and incident resolution.
• Establish engineering standards, conduct design and code reviews, mentor developers, and foster continuous improvement.
• Support regulatory and strategic initiatives impacting Global Markets, including risk and finance transformation programs.
• Lead multiple concurrent initiatives while managing delivery risks, dependencies, and stakeholder expectations.
• Strong Communication skills and ability to interact/support Trade Floor.

Skills

Murex MX.3

Front Office

Agile Delivery

Leadership

Regulatory

Education

Bachelor's Degree in CS/IT/Engineering/Finance/Math

Master's Degree preferred

Tools

MxML Exchange

APIs/Middleware

Job description

Santander US is seeking a Murex Application Developer to lead design, development, implementation, and ongoing support of Murex MX.3 across Global Markets. You will collaborate with risk, finance, operations, architecture, and infrastructure to ensure scalable, compliant platforms.

The role requires extensive Murex MX.3 experience, strong leadership, and a track record delivering enterprise capital markets technology initiatives.