Build enterprise applications with Java, Spring Boot, and React.js as a Senior Full Stack Developer in hybrid Mississauga, Ontario. Deliver scalable software across front-end and backend systems.

At Citi, this intermediate-level Applications Development role supports current and revised application systems with the Technology team. You will develop responsive interfaces, resilient microservices, RESTful APIs, and MCP services for AI agents. The work includes AWS, OpenShift, Kubernetes, S3, Oracle, TypeScript, and CI/CD pipelines.

Key Responsibilities

Design, develop, test, and deploy end-to-end application solutions

Build React.js front-end components and Java Spring Boot microservices

Architect RESTful APIs and MCP services for AI agents





Manage cloud applications using AWS, OpenShift, and Kubernetes

Partner with product managers, designers, and engineers

Requirements

Six-plus years of full-stack software development experience

Six-plus years designing microservice-based applications

Proficiency in Java, Spring Boot, React.js, and TypeScript

Experience with AWS, Docker, Kubernetes, or OpenShift

Bachelor’s degree or equivalent experience

Apply enterprise Java, React.js, cloud, and API expertise to Citi applications development in Mississauga.

📌 Senior Java React Full Stack Developer (Winnipeg)
🏢 Citigroup
📍 Winnipeg