Job Title: Java & Hadoop Developer

Location: Toronto, ON (4x onsite a week)

Employment Type: Contract

Pay Rate: CAD$45 - $50/HR INC

Interview Type: Face 2 Face (Onsite Interview Only)

Job Description

6 to 8+ Years Experience

Hands‑on expertise in Spring Boot, Java, REST API development, and Kafka‑based event‑driven architectures.

Robust understanding of microservices lifecycle: design, development, containerization (Docker), orchestration (Kubernetes), and deployment in cloud environments (AWS, Azure, GCP).

Experience in developing and optimizing Big Data applications using Java & Scala, Hadoop, Hive technologies.

Minimum 2+ years coding Scala programming.

Experience in Python, Scala, Shell Scripting, Apache Spark and Hive.

Proficient in database integration with SQL Server, Oracle, MySQL, and with robust SQL query optimization skills.





Well‑versed with DevOps tools and practices, including CI/CD pipelines using Jenkins, Terraform, GitHub, Docker, and Kubernetes.

Skilled in monitoring, troubleshooting, and optimizing microservices using Splunk, CloudWatch, and log‑based analysis.

Experience in Spring Boot with multiple microservices, enabling inter‑service communication using Kafka (asynchronous messaging) and HTTP/REST APIs. Familiar with gRPC as a generic protocol, though not implemented in production.

Disclaimer: AI tools may assist in the recruitment process; however, all hiring decisions are made by the recruitment team based on a comprehensive evaluation of candidates.
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📌 Java & Hadoop Sr Developer Ontario
🏢 Aarorn Technologies
📍 Ontario