Lead Java Developer
CitiMississauga, Ontario, Canada
Posted May 7, 2026
120800 - 170800 USD
Full Time
About the Company
Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law.
Job Description
We are looking for a Java Engineer to design, build, and support modern web APIs. This role focuses on back-end services (Java/Spring Boot), with API-first, microservices-based architecture and CI/CD-driven delivery.
Requirements
- Develop and maintain web APIs, and backend services.
- Build scalable, secure microservices using Java and Spring Boot.
- Design, build, document, and consume RESTful APIs; ensure service contracts and versioning strategies are followed.
- Work with SQL Server and optimize queries, indexes, and data access patterns.
- Implement search and indexing solutions with Elasticsearch.
- Build event-driven integrations using Kafka (producers/consumers, topics, schema/versioning awareness).
- Use GitHub / Bitbucket and contribute to automated CI/CD pipelines (build, test, deploy).
- Write unit and integration tests; participate in code reviews and engineering best-practice adoption.