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Apptoza Inc.

Java Developer

Apptoza Inc.
Canada · Contract · Mid-Senior

Job Title: Java Backend Developer

Location: Toronto Downtown, ON

Work Mode: Hybrid – 4 Days/Week Work From Office

Experience: 8–10 Years


Job Description:

We are looking for an experienced Java Backend Developer to design, develop, and maintain scalable, high-performance backend applications. The ideal candidate should have strong expertise in Java-based application development, cloud-native architectures, distributed systems, and exposure to Generative AI technologies.

Key Responsibilities:

  • Design, develop, and maintain scalable backend services and microservices using Java technologies.
  • Build and develop REST APIs and distributed applications.
  • Develop event-driven architectures using Kafka for real-time data processing.
  • Work with cloud platforms for application deployment and maintenance.
  • Integrate and leverage Generative AI capabilities into applications and business solutions.
  • Collaborate with cross-functional teams including Product, DevOps, QA, and Business teams.
  • Participate in code reviews, performance tuning, troubleshooting, and production support.
  • Follow Agile development methodologies and contribute to sprint activities.
  • Ensure application security, scalability, and high availability.

Required Skills:

  • 6–10 years of hands-on experience in Java backend development.
  • Strong experience with Java 8/11/17 and Spring Boot.
  • Strong understanding of Microservices architecture.
  • Experience in REST API development and distributed systems.
  • Hands-on experience with cloud platforms:
  • Preferred: Oracle Cloud (OCP/OCI)
  • Alternate: AWS or Azure
  • Exposure to Generative AI technologies is mandatory (LLM integration, AI APIs, prompt engineering, RAG concepts, AI-assisted application development, etc.).
  • Experience with SQL/NoSQL databases.
  • Strong knowledge of Git, CI/CD pipelines, and DevOps practices.
  • Experience with Docker and Kubernetes is preferred.
  • Strong problem-solving and communication skills.

Preferred Skills:

  • Hands-on experience with Apache Kafka.
  • Experience with event-driven architecture.
  • Knowledge of containerization and orchestration tools.
  • Experience with monitoring/logging tools.

Key Skills

Ranked by relevance

java ai cloud microservices devops containerization kubernetes docker apache oracle kafka cicd git aws
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Posted
May 26, 2026
Type
Contract
Level
Mid-Senior
Location
Toronto

Industries

IT Services IT Consulting

Categories

Finance

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