Lead Application Support Analyst – Java & AI

Citibank (Switzerland) AG; Mississauga; Hybrid; Confidential; Full time

Job summary

Citi in Canada seeks an experienced Application Support Analyst – Senior with strong Java development and AI exploration to join a high‑pressure client‑facing environment in Mississauga.

You will write Java code, support mission‑critical enterprise applications, collaborate with traders and internal tech groups, and drive innovation by integrating AI‑driven monitoring and automation into support workflows.

Qualifications

• Bachelor's degree or equivalent in a relevant field.
• 6+ years in application support and a strong Java foundation.
• Experience with Oracle, MS SQL, and MongoDB databases.
• Proficiency with Angular 2+ and UI/UX concepts.
• Experience supporting mission-critical enterprise applications.

Responsibilities

• Provide technical and business support for Citi applications and drive stability.
• Write high-quality Java code using Spring Boot, RESTful APIs, and microservices.
• Act as liaison between users, traders, tech groups and vendors.
• Participate in development, testing and production releases.
• Develop and maintain support documentation.
• Explore and integrate AI technologies into support workflows.

Skills

Java Development

Spring Boot

RESTful APIs

Microservices

Application Support

Oracle SQL

MongoDB

Angular

UI/UX concepts

Capital Markets

Communication skills

Problem solving

Adaptability

AI exploration

Education

Bachelor's degree or equivalent

Tools

Oracle DB

MS SQL

MongoDB

Angular tooling

REST API tooling

Job description

Citi in Canada seeks an experienced Application Support Analyst – Senior with strong Java development and AI exploration to join a high‑pressure client‑facing environment in Mississauga.

You will write Java code, support mission‑critical enterprise applications, collaborate with traders and internal tech groups, and drive innovation by integrating AI‑driven monitoring and automation into support workflows.