The Java Backend Engineer is an intermediate level position responsible for participation in the establishment and implementation of new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to contribute to applications systems analysis and programming activities. We are seeking a highly skilled Java Developer with strong expertise in building scalable, secure, and high‑performance backend systems.

You will work closely with architects, leads, DevOps, QA, and business teams to deliver modern microservices‑based solutions using Java, Spring Boot, Kafka, containers, and multiple databases. Design, develop, and maintain Java/Spring Boot applications and RESTful microservices . Build scalable backend components with solid focus on performance, reliability, and clean architecture.

Work with Oracle, MongoDB, MSSQL databases; Write clean, testable, well‑documented code and perform code reviews to maintain coding standards. Develop automated unit/integration tests using JUnit and REST testing frameworks. Troubleshoot and resolve issues across development, testing, and production environments.

Collaborate with cross‑functional teams and participate in Agile ceremonies throughout the SDLC. Continuously improve application performance, development processes, and automation maturity. 5+ years relevant experience in Design, development, testing and deployment of high quality code ~3+ years’ experience and expertise in Core Java (Java 8+), OOPs, collections, concurrency,



and multithreading. ~3+ years’ experience with Database skills: Oracle , MongoDB , MSSQL ~ Experience with Docker , Kubernetes , and containerized deployments. ~ Strong knowledge of JSON, XML , serialization, annotations, caching, and distributed computing concepts. ~ Experience with Git/Bitbucket/GitHub , Maven/Gradle, CI/CD pipelines. Bachelor’s degree/University degree in Computer Engineering, Computer Science, Information systems or equivalent experience Full time Primary Location Full Time Salary Range: $Back-End Development, Java, Spring Boot, Structured Query Language (SQL).

Automated

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📌 Java Backend Developer (Full Time) (Mississauga)
🏢 Citi
📍 Mississauga