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Java Backend developer

Job in Toronto, Ontario, C6A, Canada
Listing for: Acestack
Full Time position
Listed on 2026-09-29
Job specializations:
  • Software Development
    Java Developer, Backend Developer, DevOps, Software Architect
Salary/Wage Range or Industry Benchmark: 120000 - 150000 CAD Yearly CAD 120000.00 150000.00 YEAR
Job Description & How to Apply Below

Position Overview: We are seeking a highly experienced Lead Java Developer to join our dynamic technology team. The ideal candidate will possess a strong leadership background, extensive hands‑on development experience in Java and Microservices
, and expertise in cloud technologies (Azure or AWS),
CIAM
, and Dev Ops
. This role requires technical depth, the ability to lead complex initiatives, and a strong understanding of modern application architecture and identity frameworks.

Key Responsibilities:

  • Lead and mentor a team of developers; provide technical guidance, peer reviews, and coaching.
  • Design and develop robust, scalable applications using Java
    , Spring Boot
    , and Microservices architecture
    .
  • Implement and support RESTful APIs and microservices in Java or Node.js
    .
  • Utilize JBoss
    , SQL
    , and cloud services (preferably MS Azure
    ) including Azure Event Hub
    , Confluent Kafka
    , and Azure App Service Environment
    .
  • Drive Dev Ops best practices, including CI/CD pipeline integration
    , using tools like Git
    , Bitbucket
    , JIRA
    , Confluence
    , etc.
  • Contribute to system design, solution architecture, and performance tuning.
  • Collaborate with security teams to implement IAM standards including SAML
    , OpenID Connect
    , OAuth
    , RBAC
    , LDAP
    , and Kerberos
    .
  • Support CIAM (Customer Identity and Access Management) project initiatives, integrating user lifecycle and provisioning workflows.
  • Work independently in a lead capacity, taking ownership of solutions design and technical problem-solving.
  • Provide internal consultation and act as a technical subject matter expert across multiple domains.

Required Skills and Qualifications:

  • 3+ years of team leadership experience and 9+ years of hands‑on Java development.
  • Deep expertise in Java
    , Spring Boot
    , Microservices
    , REST APIs
    , and JBoss
    .
  • Strong experience in Azure (preferred) or AWS
    , especially in services like Azure Event Hub
    , Kafka
    , App Service Environment
    , etc.
  • Proficiency in SQL and relational database concepts.
  • Working knowledge of Bitbucket
    , GIT
    , JIRA
    , Confluence
    , and CI/CD pipeline tools.
  • Solid understanding of IAM standards and protocols:
    SAML
    , OAuth
    , OpenID Connect
    , RBAC
    , LDAP
    , Kerberos
    .
  • Experience delivering CIAM solutions with full understanding of user lifecycle and provisioning workflows.
  • Proven ability to work independently, lead projects, and consult on design and architecture across teams.

Nice to Have:

  • Experience with Kubernetes
    , MQ
    , Event-driven architecture
    , Postman
    , Linux/Windows OS
    , JBoss CLI
    , and previous experience in the financial industry (FI).
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