Senior Software Engineer – Java Full Stack

Cognizant • toronto, on, Canada • Posted June 18, 2026

Location toronto, on
Job Type Full-time
Category Other-General
Posted June 18, 2026
Senior Software Engineer – Java Full Stack We are seeking a Senior Software Engineer to design and build resilient enterprise services and web applications in a hybrid work environment. This role focuses on developing secure, scalable solutions using Java, Spring Boot, JavaScript, SQL, and AWS. The ideal candidate will collaborate with cross‑functional teams to enhance cards and payments processing, optimize data flows, and improve customer and business partner experiences across the platform lifecycle.

Key Responsibilities

Design and develop robust backend services using

Java and Spring Boot

to support high‑volume transaction processing and integrations

Build clean, maintainable, and testable APIs and microservices following coding best practices

Develop and optimize

SQL / PL‑SQL queries in MySQL

to ensure performance, data integrity, and efficiency

Create responsive and intuitive frontend components usin...

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