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Senior Java Full Stack Developer

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Onsite

Senior Java Full Stack Developer

J&M Group

Senior Java Full Stack Developer

Skills

MongoDBDockerReactTypescriptJavaMicroservicesSpring BootPostgreSQLKafkaRedisJenkinsPostmanGrafanaData AnalysisAWSGradlePrometheusGitHubKubernetesJavascript

5 days ago

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Important information


Contract type:

Freelance / Contract

Location:

Toronto, ON, Canada

Work mode:

Onsite

Published on:

16 October 2026

What they need


We are hiring for a Senior Java Full Stack Developer . This role focuses on building scalable enterprise applications using Java, Spring Boot, modern front-end frameworks, and cloud technologies.

The ideal candidate has strong full-stack development experience, microservices expertise, and experience building secure, high-performance applications.

What You Bring

  • Strong experience with Java 8+, Spring Boot, Spring MVC, Hibernate, and microservices
  • Experience with Angular or React, JavaScript, TypeScript, HTML, and CSS
  • Hands-on experience with REST APIs and Apache Kafka
  • Experience with PostgreSQL and MongoDB
  • Knowledge of Docker, Kubernetes, OpenShift, and CI/CD pipelines
  • Experience with Jenkins, GitHub Actions, Git, Maven, or Gradle
  • Knowledge of OAuth 2.0, JWT, and Spring Security
  • Experience with JUnit, Postman, and performance testing
  • Understanding of Agile and the software development lifecycle
  • Bachelor's degree in Computer Science, Engineering, or a related field

What You'll Do

  • Develop Java and Spring Boot microservices and REST APIs
  • Build responsive web interfaces using Angular or React
  • Implement Kafka-based event processing and enterprise integrations
  • Develop automated tests and troubleshoot performance issues
  • Deploy and support applications on Kubernetes, OpenShift, or AWS container platforms
  • Maintain CI/CD pipelines and application security controls
  • Monitor applications and optimize database performance
  • Participate in code reviews, releases, and production issue resolution

Nice to have

  • Experience with AWS, EKS, or ECS
  • Banking, payments, or financial services experience
  • Familiarity with PCI-DSS controls
  • Experience with Prometheus, Grafana, Redis, or JMeter
  • Exposure to fraud detection, anomaly detection, or risk analytics
  • AWS certification

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