Architect global payment platforms at Citi using Java, Spring Boot, and resilient microservices in a hybrid working model.

As a Senior Lead Software Engineer, you will modernize Core Payment Systems within Citi’s Treasury and Trade Solutions business. You will set engineering direction for high-throughput platforms spanning 160 countries and more than 140 currencies. The work covers architecture, production ownership, resilience, and scalable integrations.

Key Responsibilities: Lead software development from architecture through production ownership

Build high-throughput microservices with Java and Spring Boot

Design multi-region failover and zero-downtime release strategies

Define RESTful and event-based API standards

Mentor engineers and strengthen technical quality

Requirements: Six-plus years of software engineering experience

Three-plus years setting technical direction for teams

Expert Java and Spring Boot proficiency

Experience with Docker, Kubernetes, Kafka, or RabbitMQ

Knowledge of resilience patterns, databases, CI/CD, and testing

Lead Citi’s payment modernization through Java architecture, resilient microservices, and engineering direction across global transaction infrastructure.

📌 Senior Payment Systems Software Architect (Mississauga)
🏢 Citi
📍 Mississauga