Job Description

At Publicis Sapient, we partner with some of the world s leading financial institutions to modernize mission-critical platforms through innovative engineering and operational excellence. We re looking for a Senior Application Support Engineer to support complex investment operations and trading applications that power front, middle, and back-office functions.

This role combines deep technical troubleshooting, application support, and investment domain expertise. You ll work closely with engineering teams, business stakeholders, and third-party vendors to ensure high availability, resolve complex production issues, improve operational stability, and drive continuous improvements across a fast-paced trading environment.

Your Impact

Deliver Critical Trading & Application Support

Provide advanced L1/L2 production support for investment and trading platforms, ensuring high availability and operational stability.
Monitor business-critical applications, trading services, messaging components, and SaaS integrations using enterprise monitoring tools.




Respond to incidents within defined SLAs, perform impact assessments, and communicate updates to technical and business stakeholders.
Support trading-day operations, including order lifecycle investigations, allocation issues, reconciliation activities, and production validations.

Troubleshoot Complex Enterprise Applications

Perform root cause analysis across Java applications, messaging systems, APIs, databases, and third-party investment platforms.
Diagnose issues related to Spring Boot services, IBM MQ, Kafka, REST/SOAP integrations, and enterprise middleware.
Troubleshoot Charles River IMS (CRD), Seismic, Responsive RFP, and related SaaS platforms, coordinating with vendors when necessary.
Validate fixes through regression and smoke testing before production deployments.

Drive Operational Excellence

Participate in major incident management, helping coordinate technical investigations, recovery effort

📌 Application Support Engineer (Ciudad de México)
🏢 Publicis Sapient
📍 Ciudad de México