Java Backend DeveloperJ&M Group • Brampton, Peel Region, CA

Java Backend Developer

J&M Group • Brampton, Peel Region, CA

30+ days ago

Job type

Full-time

Job description

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Job Description

We are seeking a proficient Backend Developer with experience in Java, Spring Boot, and Oracle ATG Web Commerce to join our engineering team. The role demands hands-on backend development experience, strong architectural understanding of scalable microservices, and Oracle ATG knowledge for enterprise-grade e-commerce platforms.

Job Description

Key Responsibilities

Design and develop backend services using Spring Boot, Java 8-21, and Oracle ATG Web Commerce framework.
Create scalable, maintainable RESTful and SOAP APIs integrated with ATG-based commerce systems.
Extend and customize ATG components like Repositories, Droplets, Form Handlers, and Commerce Pipelines.
Implement SOLID principles, clean code practices, and domain-driven design across services.
Build data persistence layers using Spring Data JPA, Hibernate, and ATG's Nucleus framework.
Handle transaction management, deadlocks, and concurrency using Java Concurrency and Spring patterns.
Integrate messaging queues using Kafka, with enterprise security protocols (e.g., Kerberos).
Containerize applications with Docker, deploy on Kubernetes, and automate builds with Azure DevOps Pipelines.
Secure APIs and services using OAuth 2.0, JWT, TLS Certificates, and implement role-based access control.
Optimize backend performance through Redis caching, database tuning, and async / thread pool tuning.
Leverage Azure Blob Storage, Managed Identity, and other cloud services for scalable file handling and observability.
Collaborate with frontend, QA, and DevOps teams in Agile / Scrum environments.

Technical Skills & Proficiencies

Languages & Frameworks : Java 8-21, Spring Boot, Lombok

E-Commerce Platform : Oracle ATG Web Commerce (Nucleus, Droplets, Repositories, BCC, Form Handlers)

API Development : REST, SOAP (JAX-WS), Swagger / OpenAPI

ORM & Databases : Spring Data JPA, Hibernate, Stored Procedures

Architecture : Microservices, API Gateway, OAuth 2.0, JWT

Concurrency & Async : Executor Service, Completable Future, @Async, @Scheduled

Messaging : Kafka, Retry Strategies, Offset Handling

Containerization : Docker, Kubernetes, Helm

Caching & Performance : Redis, JVM Optimization, @Cacheable

DevOps : Git, Azure Pipelines, SonarQube, CI / CD with YAML

Cloud & Azure : Blob Storage, AKS, Managed Identity

Security : OAuth 2.0, Kerberos, JWT, Base64, TLS / SSL

Soft Skills

Strong debugging and problem-solving skills

Ability to work independently on Oracle ATG customizations

Excellent communication, stakeholder management

Commitment to code quality, documentation, and testing

Preferred Skills

Experience integrating ATG with third-party APIs and payment systems

Exposure to ATG Commerce modules like Cart, Checkout, Promotions, Personalization

Knowledge of ATG deployment and configuration in Docker / K8s

Familiarity with ATG and headless commerce approaches

Seniority level

Entry level

Employment type

Contract

Job function

Information Technology

Industries

IT Services and IT Consulting

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Software Engineer, Backend (All Levels / All Teams)

Software Engineer I, Entry Level (Fall 2024-Spring 2025) - Toronto

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Frontend Software Engineer (Remote - Canada)

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Java Developer • Brampton, Peel Region, CA

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