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Added 4 days ago
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Senior Associate -Cyber Security Forward Deployed(Bilingual FR/EN)
FDE Times
Toronto, ON
- Full-time
As a Senior Associate – Cyber Security Forward Deployed you are a multi-faceted technologist. You lean heavily into using AI, are comfortable working in a client’s environment, writing…
Added 4 days ago
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Software Developer
Cliniconex
Ottawa, ON · Kanata, ON
- Full-time
Position: Software Developer (Agentic AI & Automation) - Entry Level/Intermediate
Added 4 days ago
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Senior Java Full Stack Developer
Citi
Mississauga, ON
- Full-time
The JAVA Full Stack Senior Developer role is an intermediate level position responsible for participation in the establishment and implementation of new or revised application systems and…
Added 4 days ago
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Senior Full Stack Developer
StafinGo
Toronto, ON
- $85 to $100 CAD / hour
- Contract
Senior-level hands-on experience developing Java and Spring Boot services and REST APIs, including use of the HAPI FHIR library to process FHIR R4 and DSTU2 resources.
Added 4 days ago
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RQ11598 - Software Developer - Senior
Maarut
Toronto, ON
- Contract
Additional Skills for Oracle Software Developer:
Added 4 days ago
IG
Lead Java Developer
Insight Global
Toronto, ON
- Contract
Insight Global is seeking a lead Java developer in Toronto. You will be the primary point of contact for traders, Quants, and support partners across North America and APAC, and will lead…
Added 4 days ago
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Software Developer - Full Stack - Senior (Java exp with Healthcare FHIR.HL7 experience)
Bevertec
Toronto, ON
- Contract
Job Role: Software Developer - Full Stack - Senior (Java exp with Healthcare FHIR.HL7 experience)
Added 4 days ago
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Architect / Lead - Application Modernization - Bilingual
Tech Talent International
Montreal, QC
- $150,000 to $165,000 CAD / year
- Full-time
Senior professional with the ability to quickly assess a complex application estate, establish a realistic modernization roadmap, and guide teams toward a modern, high-performance, and…
Added 4 days ago
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Java Full Stack Engineer ( AI Engineering)
Astek
Montreal, QC
- Full-time
Design scalable Java and Spring Boot services, RESTful APIs, and event-driven or microservices-based components with appropriate authentication and authorization.
Added 4 days ago
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Lead Developer (Java/Data)
Flow Global Technology
Vancouver, BC
- Contract
8+ years of software development experience, with 2+ years in a lead or senior technical role
Added 4 days ago
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Software Developer (Agentic AI & Automation) - Entry Level/Intermediate
Cliniconex
ON · Kanata, Ontario
- Full-time
Position: Software Developer (Agentic AI & Automation) - Entry Level/Intermediate
Added 4 days ago
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AI LLM Senior Analyst
Accenture
Mississauga, ON · Montreal, QC
- Full-time
Experience with the following programming languages: Python, C++, Java, R, SQL
Added 4 days ago
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Senior Java Software Engineer
Soho Square Solutions
Toronto, ON
- Contract
We're hiring: Senior Full Stack Developer (Java / Spring Boot / Angular)
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RQ11556 - Software Developer - Full Stack - Senior
Maarut
Toronto, ON
- Contract
10+ years of programming and development experience in Java
Added 4 days ago
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RQ11720 - Software Developer - Senior
Maarut
Toronto, ON
- Contract
Design, develop, configure, test, and maintain Java
Added 4 days ago
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Intermediate Software Developer
GuestTek Interactive Entertainment Ltd.
Calgary, AB
- Full-time
…GuestTek is looking for strong and motivated team members of senior, intermediate, and junior developer levels, along with a QA analyst, to develop and grow our AI security…
Added 4 days ago
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Junior Software Developer
GuestTek Interactive Entertainment Ltd.
Calgary, AB
- Full-time
…GuestTek is looking for strong and motivated team members of senior, intermediate, and junior developer levels, along with a QA analyst, to develop and grow our AI security…
Added 4 days ago
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Software Engineer, Growth Platforms
EngRadar
Toronto, ON
- Full-time
Design and implement backend features end-to-end with clear ownership, delivering well-scoped work from technical design through to production with moderate guidance from senior engineers
Added 4 days ago
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QA Automation Developer - Assistant Vice President
Citi
Mississauga, ON
- Full-time
…scalable, and maintainable test automation frameworks using Java, Python, and BDD tools like…
Added 4 days ago
GI
Senior Software Developer
GuestTek Interactive Entertainment Ltd.
Calgary, AB
- Full-time
…GuestTek is looking for strong and motivated team members of senior, intermediate, and junior developer levels, along with a QA analyst, to develop and grow our AI security…
Added 4 days ago
Lead Software Engineer, Full-Stack Applications - AI Innovation squads
Fitch Group
Toronto, ON
Career acceleration and visibility – High visibility to senior leadership, clear paths to principal/architect roles, and the opportunity to establish yourself as a thought leader in…
Added 4 days ago
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RQ11657 - Software Developer - Senior
Maarut
Toronto, ON
- Contract
3 years in a Technical Lead, Lead Developer, or Solution Lead role.
Added 4 days ago
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IT Director, Application Development & Support
Michael Page
Markham, ON
- $140,000 to $180,000 CAD / year
- Full-time
This senior technology leadership role is responsible for the strategy, delivery, modernization, support, and governance of enterprise applications, digital platforms, integrations, and…
Added 4 days ago
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RQ11775 – Software Developer – Senior
S M Software Solutions Inc
Toronto, ON
- Full-time
We are seeking a Senior Software Developer with strong expertise in IBM App Connect Enterprise (ACE), IBM Integration Bus (IIB), WebSphere Message Broker, IBM MQ, .NET application…
Added 4 days ago
ES
Senior Java Developer
Epsilon Solutions Ltd.
Toronto, ON
- Contract
Role Name: Senior Java Developer / Technical Lead

Epsilon Solutions Ltd.

Senior Java Developer

Toronto, ON, Canada

Contract

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Job details

Job type: Contract
Apply by: Nov 20, 2026
Posting language: English
Posted: Oct 21, 2026

Original job description

Role Name: Senior Java Developer / Technical Lead

Location: Toronto / 4 days a week on site

, F2F interview required

Role Overview

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.

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More about this job

Responsibilities

Design and deliver secure, scalable banking and payment applications, including Java and Spring Boot microservices, APIs, event-driven integrations, and batch-processing services. Lead technical design and delivery, guide engineering teams, support production systems, and drive application resiliency, performance, cloud adoption, and automation.

Requirements

Requires advanced Java and J2EE development experience, strong Spring Boot and microservices expertise, messaging and database experience, and familiarity with cloud or container platforms, API security, CI/CD, automated testing, and production monitoring. Candidates must also demonstrate technical leadership and coordination skills; a bachelor's degree in Computer Science, Engineering, Information Technology, or a related field is specified.

Skills

Java
J2EE
Spring Boot
Microservices
REST APIs
Event-Driven Architecture
Kafka
RabbitMQ
IBM MQ
MongoDB
Relational Databases
Kubernetes
OpenShift
CI/CD
API Security
Technical Leadership

Visa sponsorship

Not detected in the job text

Keywords

Java
J2EE
Spring Boot
Spring MVC
Spring Data
Spring Batch
Microservices
REST APIs
Event-Driven Architecture
Kafka
RabbitMQ
IBM MQ
JMS
MongoDB
Oracle
PostgreSQL
Kubernetes
OpenShift
AWS
OAuth 2.0
TLS
Encryption
Jenkins
Maven
Gradle
GitHub
SonarQube
CI/CD
Banking
Payments

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