Java Full Stack Developer

Aarorn Technologies Inc

Canada · Full-time · Mid-Senior

Job Title: Java Full Stack Developer

Location: Toronto, ON (3x onsite a week)

Employment Type: Contract

Pay Rate: CAD$45/HR INC

Job Description

Key Responsibilities :

Application Development & Engineering

Design, develop, and enhance enterprise-grade full stack applications using Java and modern UI frameworks
Build and maintain RESTful APIs and microservices aligned with domain-driven architecture
Develop scalable backend services using Spring Boot, Spring MVC, and related frameworks
Implement responsive UI components using Angular/React, HTML5, CSS3, and JavaScript
Architecture & Modernization
Contribute to monolith to microservices transformation and API-first architecture evolution
Support cloud-ready and event-driven solutions with streaming/integration frameworks
Apply design patterns and best practices for scalability, resiliency, and maintainability
DevOps & CI/CD
Work with DevOps teams to implement CI/CD pipelines (Jenkins, Git, Docker, Kubernetes)
Ensure automated build, test, and deployment practices aligned with RBC DevOps standards
Participate in release planning, deployments, and environment readiness
Quality Engineering & Testing
Collaborate with QE teams to enable in-sprint automation, regression testing, and shift-left practices
Write unit/integration tests (JUnit, Cucumber, etc.) and ensure code quality compliance
Performance & Security
Perform performance tuning, debugging, and optimization for high transaction systems
Implement secure coding practices including OAuth2, API security, and enterprise authentication mechanisms
Collaboration & Agile Delivery
Participate in Agile ceremonies (sprint planning, stand-ups, retrospectives)
Collaborate with cross-functional teams including business stakeholders and SMEs
Contribute to technical documentation, design reviews, and knowledge sharing

Required Skills & Experience

Core Backend

8+ years of experience in Java / J2EE development
Strong expertise in:

Spring Boot, Spring MVC, Spring Security
REST APIs, Microservices architecture
Hibernate / JPA, JDBC

Experience with Java 8+ features (streams, lambda, multithreading)

Frontend

Proficiency in:

Angular (preferred) or React
HTML5, CSS3, JavaScript/TypeScript

Data & Integration

Experience with relational databases (Oracle, PostgreSQL, DB2)
Good understanding of messaging/event streaming (Kafka, MQ)

DevOps & Tools

Hands-on experience with:

Git, Jenkins, Docker, Kubernetes
CI/CD pipelines and automation

Familiarity with monitoring tools (Dynatrace, Splunk) is a plus

Architecture & Engineering Practices

Strong understanding of:

Microservices patterns (API gateway, circuit breaker, saga)
Design patterns and enterprise architecture principles

Experience in Agile/Scrum delivery models

Soft Skills & Expectations

Strong communication and stakeholder interaction skills
Ability to work independently in a client-facing environment
Ownership mindset with focus on delivery, quality, and timelines
Adaptability to onsite expectations and hybrid collaboration model

Disclaimer: AI tools may assist in the recruitment process; however, all hiring decisions are made by the recruitment team based on a comprehensive evaluation of candidates.

Key Skills

Ranked by relevance

java microservices jenkins docker devops ui design patterns restful apis spring boot postgresql responsive ai tools cucumber oracle splunk kafka html5 cloud junit j2ee cicd git ai

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