Java Applications Developer - Cloud, REST & Scalable

MainframeMaster; Mississauga; Hybrid; CAD 85,000 - 120,000; Full time

Job summary

MainframeMaster in Mississauga, Canada, is seeking an intermediate Java Developer to design, implement, and maintain scalable applications. You will code high-volume, low-latency Java modules, contribute across the full development lifecycle, and ensure performance and reliability in cloud environments.

Responsibilities include architecture discussions, writing tests, debugging, and collaborating with analysts and other developers.

Qualifications

• 5–8 years of Java development experience in a cloud environment.
• Proficiency in Java, APIs, and cloud engineering.
• Hands-on experience building RESTful APIs using Spring.
• Experience with Oracle, SQL and NoSQL databases (MongoDB).
• Experience with OpenShift, Kubernetes, MQ, Kafka.
• Strong SDLC/Agile Understanding and DevOps/CI/CD practices.

Responsibilities

• Code, build, and maintain Java code for high-volume, low-latency apps.
• Contribute to all phases of the development lifecycle from concept to deployment.
• Write clean, testable, scalable code per standards and best practices.
• Ensure performance, quality, and responsiveness of applications.
• Collaborate with analysts, PMs, and other developers; produce design docs.

Skills

Java development

RESTful APIs

Cloud engineering

SDLC/Agile

Code quality

Independent worker

Education

Bachelor's degree

Tools

Spring

OpenShift

Kubernetes

MQ

Kafka

Oracle

SQL

MongoDB

Job description

MainframeMaster in Mississauga, Canada, is seeking an intermediate Java Developer to design, implement, and maintain scalable applications. You will code high-volume, low-latency Java modules, contribute across the full development lifecycle, and ensure performance and reliability in cloud environments.

Responsibilities include architecture discussions, writing tests, debugging, and collaborating with analysts and other developers.