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Added 13 days ago
AT
Senior Java Full Stack Developer
Aarorn Technologies Inc
Toronto, ON
- $52 CAD / hour
- Contract
The ideal candidate will have experience building secure, high-volume applications and collaborating across architecture, product, quality engineering, DevOps, and support teams.
Added 13 days ago
AT
Senior Java Developer
Aarorn Technologies Inc
Toronto, ON
- $55 CAD / hour
- Contract
The selected candidate will provide technical leadership across solution design, application development, code quality, testing, releases, production support, and engineering-team…
Added 13 days ago
AA
Qualité Performance Manager
Airbus Aircraft
Montreal, QC
- Full-time
By submitting your CV or application you are consenting to Airbus using and storing information about you for monitoring purposes relating to your application or future employment. This…
Added 13 days ago
AA
Superviseur Qualité Opération A220
Airbus Aircraft
Montreal, QC
- Full-time
Former et accompagner les membres de son équipe dans l'application des procédures et l'amélioration de leurs compétences;
Added 13 days ago
SM
Physiotherapist - Full Time
Stevenson Memorial Hospital
Alliston, ON
- Full-time
Must have a good attendance record
Added 13 days ago
AA
Manager Qualité Opérations
Airbus Aircraft
Montreal, QC
- Full-time
Garantir le respect des règles de santé & sécurité au travail et mettre en application les mesures correctives lorsque nécessaire;
Added 13 days ago
T
City Specialist
TEKsystems
AB · Edmonton, AB
- $23 to $25 CAD / hour
- Contract
…looking for a motivated and customer-focused City Specialist to support its growing presence in Edmonton,…
Added 13 days ago
SM
Medical Radiation Technologist (CT & X-Ray)
Stevenson Memorial Hospital
Alliston, ON
- Full-time
Completion of a Basic Cardiac Life Support (BCLS) program.
Added 13 days ago
GT
Customer Service and Communications Coordinator
Guardian Tanks
Saint-Quentin, NB
- Full-time
Must reside in Canada and be legally authorized to work in Canada
Added 13 days ago
AF
2nd Cook - Artemis Blackwater Mine
ATCO Frontec
BC · Cariboo I, BC
- Full-time
The successful candidate must hold a valid food safety certificate
Added 13 days ago
H
Nurse A - Registered Nurse General Duty Nurse
HealthCareersInSask.ca
Regina, SK
- Full-time
Basic Cardiac Life Support Certificate (BCLS)
Added 13 days ago
H
Manager - Post Anesthesic Recovery
HealthCareersInSask.ca
Saskatoon, SK
- Full-time
…functionally within the portfolio and across the organization to support operations. The Manager will develop partnerships and work closely with system and community…
Added 13 days ago
Nurse A - Registered Nurse General Duty Nurse
HealthCareersInSask.ca
Lucky Lake, SK
Basic Life Support Health Care Provider Certificate (BLS-HCP)
Added 13 days ago
H
Continuing Care Assistant
HealthCareersInSask.ca
North Battleford, SK
- Part-time
…relating to the qualifications of the position. By submitting your application, you consent to your application history and talent profile being shared with Human Resources and the…
Added 13 days ago
H
Continuing Care Assistant
HealthCareersInSask.ca
North Battleford, SK
- Part-time
…relating to the qualifications of the position. By submitting your application, you consent to your application history and talent profile being shared with Human Resources and the…
Added 13 days ago
H
Pharmacy Technician
HealthCareersInSask.ca
Regina, SK
- Full-time
…relating to the qualifications of the position. By submitting your application, you consent to your application history and talent profile being shared with Human Resources and the…
Added 13 days ago
Continuing Care Assistant
HealthCareersInSask.ca
Kerrobert, SK
…relating to the qualifications of the position. By submitting your application, you consent to your application history and talent profile being shared with Human Resources and the…
Added 13 days ago
H
Continuing Care Assistant
HealthCareersInSask.ca
Oxbow, SK
- Part-time
…relating to the qualifications of the position. By submitting your application, you consent to your application history and talent profile being shared with Human Resources and the…
Added 13 days ago
H
Continuing Care Assistant
HealthCareersInSask.ca
Kyle, SK
- Part-time
…relating to the qualifications of the position. By submitting your application, you consent to your application history and talent profile being shared with Human Resources and the…
Added 13 days ago
H
Continuing Care Assistant
HealthCareersInSask.ca
Biggar, SK
- Part-time
…relating to the qualifications of the position. By submitting your application, you consent to your application history and talent profile being shared with Human Resources and the…
Added 13 days ago
H
Health Services Manager St Brieux
HealthCareersInSask.ca
St. Brieux, SK
- Full-time
…functioning of the building by providing positive leadership and support for continuous quality…
Added 13 days ago
Office Administrative Assistant
HealthCareersInSask.ca
North Battleford, SK
Job Description: Provides a wide range of administrative support and coordination of clerical/financial services to a variety of department(s) and/or program(s) and/or facility(ies).
Added 13 days ago
H
Nurse A - Registered Nurse General Duty Nurse
HealthCareersInSask.ca
Regina, SK
- Full-time
Basic Cardiac Life Support Certificate (BCLS)
Added 13 days ago
H
My Connection Specialist
HealthCareersInSask.ca
Regina, SK
- Full-time
…collective agreement interpretations. The Specialist provides support on general or knowledge-based inquiries and guidance on using the direct access platform and will act as the first…
Added 13 days ago
V
IT Solution Support Engineer
Vanderlande
Vancouver, BC
- Full-time
As IT Solution Support Engineer, you will support, maintain, and continuously improve Vanderlande's mission-critical airport IT environments. You will help ensure the availability,…

Aarorn Technologies Inc

Senior Java Developer

Toronto, ON, Canada

$55 CAD / hour · Contract

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Job details

Pay: $55 CAD / hour
Job type: Contract
Apply by: Apr 26, 2027
Posting language: English
Posted: Oct 28, 2026

Original job description

Job Title: Senior Java Developer

Location: Toronto, ON (4x onsite a week)

Employment Type: Contract

Pay Rate: CAD$55/HR INC

We are seeking a Senior Java Developer / Technical Lead to design and deliver secure, scalable, and high-volume banking and payment applications. The role will lead the development of Java and Spring Boot microservices, REST APIs, event-driven services, batch-processing capabilities, and containerized workloads across cloud and enterprise platforms.

The selected candidate will provide technical leadership across solution design, application development, code quality, testing, releases, production support, and engineering-team coordination.

Key Responsibilities

Design and develop Java and Spring Boot microservices for banking, payments, alerts, account servicing, and customer-facing platforms.

Build secure RESTful APIs and event-driven integrations using Kafka, RabbitMQ, IBM MQ, or JMS.

Develop high-volume, low-latency, and resilient distributed services.

Design batch and sub-batch processing for large datasets, including failure handling and recoverability.

Implement data archival, restoration, synchronization, and migration capabilities.

Design and optimize MongoDB and relational-database collections, schemas, indexes, and queries.

Lead technical design, low-level design, development, testing, release, and production-support activities.

Provide technical direction, code reviews, development standards, and mentoring to engineering teams.

Migrate applications to OpenShift and Kubernetes-based container platforms.

Develop and maintain CI/CD pipelines using Jenkins, Harness, GitHub, Maven, Gradle, and artifact repositories.

Implement OAuth 2.0, TLS, encryption, and API-security controls.

Develop automated tests using JUnit, Mockito, Cucumber, Selenium, JMeter, Gatling, WireMock, or comparable tools.

Build dashboards and operational alerts using Splunk, Kibana, AppDynamics, Instana, or Datadog.

Troubleshoot production issues by analyzing application logs, performance metrics, event flows, and database behavior.

Collaborate with product owners, architects, QA, database, security, and DevOps teams.

Drive application resiliency, performance improvement, cloud adoption, and engineering automation.

Required Skills

Advanced Java and J2EE development experience.

Strong experience with Spring Boot, Spring MVC, Spring Data, Spring Batch, and REST APIs.

Experience with microservices and event-driven architecture.

Hands-on experience with Kafka and at least one enterprise messaging technology.

Strong experience with MongoDB and relational databases such as Oracle or PostgreSQL.

Experience deploying applications to OpenShift, Kubernetes, AWS, or comparable cloud platforms.

Strong understanding of API security, OAuth 2.0, TLS, and encryption.

Experience with Jenkins, Maven, Gradle, GitHub, SonarQube, and CI/CD.

Experience with automated unit, integration, behavioural, and performance testing.

Production-support experience using enterprise monitoring and logging tools.

Proven ability to lead technical delivery and coordinate engineering activities.

Preferred Skills

Banking, payments, cards, digital wallets, alerts, or account-servicing experience.

Experience With Cassandra, MariaDB, Or Other NoSQL Platforms.

Experience with Apigee or another API-management platform.

Familiarity with AWS, Pivotal Cloud Foundry, or Google Cloud.

Knowledge of Autosys and enterprise batch scheduling.

AWS certification or another relevant cloud certification.

Experience using AI-assisted software-development tools.

Education

Bachelor s degree in Computer Science, Engineering, Information Technology, or a related field.

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

Design and deliver secure, scalable banking and payment applications, including Java microservices, APIs, event-driven integrations, batch processing, and containerized workloads. Lead technical design and delivery, mentor engineering teams, support production systems, and improve application security, resiliency, performance, and automation.

Requirements

Requires advanced Java and J2EE experience, strong Spring Boot and microservices expertise, messaging and database experience, and familiarity with cloud or container platforms and CI/CD. Candidates should also have API-security and automated-testing knowledge, production-support experience, and a proven ability to lead technical delivery; banking or payments experience is preferred.

Skills

Java
J2EE
Spring Boot
Spring MVC
Spring Data
Spring Batch
Microservices
REST APIs
Kafka
Enterprise Messaging
MongoDB
Relational Databases
Kubernetes
OpenShift
OAuth 2.0
CI/CD

Visa sponsorship

Not detected in the job text

Keywords

Java
J2EE
Spring Boot
Spring MVC
Spring Data
Spring Batch
Microservices
REST APIs
Kafka
RabbitMQ
IBM MQ
JMS
MongoDB
Oracle
PostgreSQL
Kubernetes
OpenShift
AWS
OAuth 2.0
TLS
Encryption
Jenkins
Maven
Gradle
GitHub
SonarQube
CI/CD
JUnit
Mockito
Splunk

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Jobs in Canada