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Added 2 mins ago
Senior Software Engineer, Performance ( Toronto)
Okta
Toronto, ON
Okta's Workforce Identity Cloud secures billions of global logins every day. The Platform Scalability team within the Resilience organization owns the speed, efficiency, and scale of Okta's…
Added 17 mins ago
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Senior Java Spark Backend Developer
Apptad
Montreal, QC
- Contract
We are seeking a highly skilled and experienced Senior Java Backend Developer to join our core engineering team. In this role, you will be responsible for designing, building, and…
Added 17 mins ago
I
Network Solutions Architect
ISM
Regina, SK
- Full-time
…customer, vendor, and stakeholder leadership and will also provide senior technical support for complex network escalations when…
Added 31 mins ago
C
Senior AI Developer - AI Agents
Cerence
Montreal, QC
- Full-time
…that serves it on our xUI™ platform, and make it work in the Cloud and on the Edge…
Added 31 mins ago
C
Senior AI Developer - AI Agents
Cerence
Montreal, QC
- Full-time
…that serves it on our xUI™ platform, and make it work in the Cloud and on the Edge…
Added 46 mins ago
T
Engineering Manager, Workday Integrations & Platform
TD
Toronto, ON
- Full-time
The Engineering Manager, Workday Integrations & Platform provides people, technical and delivery leadership for a multidisciplinary team responsible for Workday integrations and platform…
Added 46 mins ago
Senior Backend Product Engineer, Menu Operations
HelloFresh
Toronto, ON
The role will work closely with engineering, product, culinary, editorial, and business teams to identify data issues, improve validation processes, and standardize best practices across…
Added 46 mins ago
SC
Principal Data Engineer
Sleep Country
Brampton, ON
- Full-time
Sleep Country/Dormez-vous? is seeking a Principal Data Engineer to provide senior technical leadership for our enterprise data strategy, platform architecture, and engineering capabilities.…
Added 46 mins ago
Manager, Software Engineering
KEV Group
Toronto, ON
This is a senior engineering leadership role for someone who leads through other leaders, but still owns real technical ground. You will set technical direction for teams working in React,…
Added 47 mins ago
SQ
Director, Enterprise Architecture Strategy, Core Platform
Sunlife Québec
Montreal, QC
- Full-time
Broad knowledge of cloud platforms, networks, operating systems, middleware, identity, security, virtualization, application hosting, APIs, integration, automation, and platform engineering.
Added 47 mins ago
SQ
Director, Domain Enterprise Architect, Technology Modernization and Cloudification
Sunlife Québec
Montreal, QC
- Full-time
Working with Technology Executives, other Enterprise Architects, engineering leaders, cybersecurity, cloud engineering, AI platform teams, and application development, the Director aligns…
Added 47 mins ago
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Technical Program Manager
Talenzaa
Mississauga, ON
- Full-time
Partner with Business, Product, Architecture, Engineering, Operations, and Risk/Compliance teams.
Added 47 mins ago
SJ
IAM Sr. Developer, IGA
So Jobs
Mississauga, ON
- Full-time
We are seeking a Senior Identity Governance & Administration (IGA) Developer to design, develop, and support enterprise identity security solutions across cloud, hybrid, and on-premises…
Added 47 mins ago
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Delivery Manager (Banking/IT Service Domain)
Synechron
Mississauga, ON
- $140,000 to $170,000 CAD / year
- Full-time
…span end-to-end Artificial Intelligence, Consulting, Digital, Cloud & DevOps, Data, and Software Engineering, servicing an array of noteworthy financial services and technology firms.…
Added 1 hour ago
LC
Director, Product Management (Instore Selling)
Lightspeed Commerce, Inc.
Remote, Canada
- $220,000 to $250,000 CAD / year
- Full-time
- Remote
…market insights into a compelling, multi-year vision, align senior stakeholders and cross functional teams around strategic priorities, and build capabilities and operating models needed to…
Added 1 hour ago
RM
Senior Full-Stack Engineer
Realize Medical
Canada
- Full-time
Realize Medical is seeking a Senior Full-Stack Engineer to own the server and web systems behind Elucis, our FDA-cleared VR surgical planning platform. You will run our production services…
Added 1 hour ago
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Senior Agentic AI Engineer
enableIT
Toronto, ON
- Contract
We are seeking a Senior Agentic AI Engineer to design, develop, and deploy production-grade AI applications using Large Language Models (LLMs), Agentic AI frameworks, Retrieval-Augmented…
Added 1 hour ago
FT
DevSecops Engineer
Fortiv Technical Inc.
Vancouver, BC
- $160,000 to $230,000 CAD / year
- Full-time
You'll own real infrastructure at real scale and have deep, hands-on experience across cloud, platform engineering, infrastructure, and developer experience, with authority over the IaC,…
Added 1 hour ago
AS
Quality Engineer (QE) / SDET – AI Chatbot Validation
Ardent SoftSol Inc.
Brampton, ON
- $38 to $40 CAD / hour
- Contract
We are looking for a seasoned AI first Senior Quality Engineer who is empowered to help the DevOps enablement team deliver highest level quality and is responsible for ensuring the team…
Added 1 hour ago
S
Senior Testing Officer / Auditor
Synechron
Montreal, QC · Greater Montreal Metropolitan Area
- Full-time
…include end-to-end Artificial Intelligence, Consulting, Digital, Cloud & DevOps, Data, and Software Engineering. Our 13 FinLabs serve as hubs where we innovate and develop cutting-edge…
Added 1 hour ago
MI
Senior DevOPS/Cloud Engineer
Maarut Inc
Toronto, ON
- Contract
Experience operating and supporting microservices, APIs, distributed applications, and cloud-based development tools.
Added 1 hour ago
IG
Senior Insight Analyst
Insight Global
Toronto, ON · North York, ON
- $85,000 to $100,000 CAD / year
- Full-time
Bachelor’s degree in Finance, Business Analytics, Economics, Statistics, Computer Science, Engineering, or another relevant quantitative field.
Added 1 hour ago
Y
Talent Acquisition and Development Specialist
YuJa
Toronto, ON · North York, ON
- $50,000 to $55,000 CAD / year
- Full-time
YuJa, Inc. is a leading provider of cloud-based digital compliance and accessibility solutions for regulated sectors worldwide. Serving clients in higher education, K-12, government, and…
Added 2 hours ago
QC
Senior Software Engineer
Quarry Consulting
Canada
- Full-time
Architect, deploy, and manage cloud infrastructure using best practices in IaC and DevOps tooling
Added 2 hours ago
Z
Red Team Engineer AND Penetration Tester
Zoho
Toronto, ON
- Contract
We are seeking an experienced Senior Penetration Tester / Red Team Engineer to conduct advanced offensive security assessments across applications, networks, infrastructure, cloud, APIs,…

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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