Staff Software Developer leading the design and delivery of backend components at Varicent. Responsible for scalable service design and technical mentoring within a collaborative environment.
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Senior Java Backend Engineer
Posted via LinkedIn Recruiter (not a company profile)
Posted 3 months ago
About the role
- Senior Java Backend Engineer role at Citi requiring 9+ years experience with Java, Spring, microservices, REST APIs, and cloud platforms. Hybrid work model in Mississauga, Ontario.
Responsibilities
- Design, develop, and maintain enterprise-level backend applications using Java and Spring. Build and support microservices-based architectures and RESTful APIs. Work with databases to write and optimize complex SQL queries. Apply modern software design principles to ensure scalable and maintainable code. Perform code reviews, performance tuning, and best-practice implementations. Collaborate with cross-functional teams and drive end-to-end development. Support production systems and help resolve operational issues.
Requirements
- 9+ years of hands-on experience in Java / J2EE development. Strong expertise in Core Java and Spring Framework. Experience building microservices and REST APIs. Proficient in Oracle Database and complex SQL. Experience with cloud platforms (AWS or Azure preferred). Hands-on exposure to PCF (Pivotal Cloud Foundry). Strong understanding of SOLID, DRY, and Single Responsibility principles. Additional Technical Exposure (Good to Have): Apache NiFi, Kafka, NATS, Zookeeper, Redis, Cassandra, Splunk (monitoring & logging), Experience creating common libraries and reusable interfaces. Soft Skills & Leadership: Strong experience in code reviews and performance optimization, Ability to lead development initiatives and mentor junior engineers, Excellent communication and collaboration skills, Experience coordinating with multiple teams and stakeholders.
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