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Aarorn Technologies Inc

Sr Backend Developer

Brampton, ON, Canada

Pay: $45 CAD / hour
Job type: Contract
Apply by: Mar 31, 2027
Posting language: English
Posted: Oct 2, 2026

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Original job description

Job Title: Sr Backend Developer

Location: Brampton, ON (100% onsite only)

Employment Type: Contract

Pay Rate: CAD$45/HR INC

Required Skills, Experience And Qualifications

We are seeking a proficient 5 to 8 years Java Backend Senior Developer in Java Spring Boot.

Person to have strong Java technical skills to enhance an existing application s architecture as well as create applications architecture from scratch.Expertise a strong understanding of scalable microservices architecture.

Should be able to lead technical team, remove technical impediments and help in estimations, code reviews.

Must to have experience in utilizing AI assisted development tools ( Co-pilot or cursor).

The role involves creating maintainable REST and SOAP APIs extending.

The developer will build data persistence layers using Spring Data JPA Hibernate.

Additional duties include containerizing applications with Docker deploying to Kubernetes automating builds with Azure DevOps securing APIs using OAuth JWT and TLS implementing access control optimizing performance with Redis and async processing and using Azure services like Blob Storage and Managed Identity.

The candidate will collaborate with frontend QA and DevOps teams in an Agile Scrum environment.

Strong technical, analytical and problem-solving skills

Excellent verbal and written communication skills

Ambitious with an ability to take initiative

You should be passionate about quality and writing clean, reusable, readable code that scales and performs well

Accountabilities

Routinely advise on-site or vendor developers/implementation teams on coding, design, and testing/debugging standards

Understand and help refine un-stated requirements

Routinely deal with and resolve difficult technical issues

Aid in the development of architectural framework and design

Be responsible for the quality of deliverables via sign-off and problem tickets

Evaluate and introduce new tools and techniques to the development team

Manage technical issues and the work of other developers

Act as liaison with various groups including architecture, vendors, and other project teams

Assume technical leadership role on projects

Exercise leadership through superior technical and domain knowledge

Conduct regular code reviews

Proactively identify areas for improvement, seek solutions and make recommendations

Lead initiatives & acts as a change agent (embraces change and helps other to embrace it)

Listen actively & suspend judgment

Foster a spirit of creative collaboration by giving team members a common focus

Help establish and maintain quality software architecture and implementation design for products

Provide support to the entire project team in order to deliver

Provide mentorship to development team

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.

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More about this job

Responsibilities

Lead backend development and technical delivery, including designing scalable application architectures, building and maintaining APIs and persistence layers, and resolving complex technical issues. Guide and mentor developers, conduct code reviews, uphold quality standards, and collaborate with architecture, QA, DevOps, vendors, and project teams.

Requirements

Requires 5–8 years of Java backend development experience, strong Java and Spring Boot skills, and expertise in scalable microservices and API development. Candidates should have experience with AI-assisted development tools, cloud and container technologies, security, performance optimization, technical leadership, and clear communication.

Skills

Java
Spring Boot
Microservices Architecture
REST APIs
SOAP APIs
Spring Data JPA
Hibernate
Docker
Kubernetes
Azure DevOps
OAuth
JWT
TLS
Redis
Azure Services
Technical Leadership

Visa sponsorship

Not detected in the job text

Keywords

Java
Spring Boot
Backend Development
Microservices
Application Architecture
REST APIs
SOAP APIs
Spring Data JPA
Hibernate
Docker
Kubernetes
Azure DevOps
OAuth
JWT
TLS
Access Control
Redis
Asynchronous Processing
Azure Blob Storage
Managed Identity
AI-Assisted Development
GitHub Copilot
Cursor
Code Reviews
Agile Scrum
Technical Leadership
Performance Optimization
Mentoring
Clean Code
Technical Estimation

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