Brainhunter is currently seeking the services of a “Senior Java Developer ” for a contract role with one of our Valued Clients.
Work Style: Hybrid - 2/3 day/week in-office Anticipated Start Date: 2 weeks from the official offer day End Date: 1 year contract We’re looking for hands on Senior Java Developers to join our Payments team and work on high value, mission-critical applications for a major bank.
Must have skills: Java 21 or higher
Spring Boot 3.5 or higher (solid understanding of Spring Boot Starters)
REST APIs, Microservices
Maven & Git
Total hands‑on experience required: 10+ years.
Candidates with the following certifications will be strongly preferred:
Oracle Certified Professional – Java SE 21
Spring Certified Professional (2024)




Brainhunter is an equal opportunity employer and is committed to providing a workplace free from harassment and discrimination. Brainhunter encourages applications from women, Indigenous peoples, veterans, persons with disabilities, members of visible minorities and persons of all races, ethnic origins, religions, abilities, sexual orientations, and gender identities and expressions. We provide accommodation upon request during the recruitment process; please let the job poster know.
We thank all applicants for their interest, however only those candidates selected for Interviews will be contacted.

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📌 Sr. Java Developer (Ontario)
🏢 Brainhunter Systems
📍 Ontario