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Added 5 days ago
FT
Senior Associate -Cyber Security Forward Deployed(Bilingual FR/EN)
FDE Times
Toronto, ON
- Full-time
…our clients. You will architect deeply technical solutions, lead cross-functional engineering pods, and convert client ambiguity into shipped capabilities. You will simultaneously drive…
Added 5 days ago
T
Software Engineer I - Full Stack
TD
Toronto, ON · Mississauga, ON
- Full-time
Added 5 days ago
Q
Full Stack Software Developer (Java/React)
Querentia
Toronto, ON
- Contract
We are seeking an experienced Full Stack Software Developer with strong technical leadership capabilities and expertise in enterprise application development, Microsoft Dynamics 365, Power…
Added 5 days ago
AI
Open Liberty Architect – WebSphere Liberty, Java & Spring Boot
Astra-North Infoteck Inc. ~ Conquering today’s challenges, achieving tomorrow’s vision!
Toronto, ON
- Full-time
Lead application modernization and migration programs from traditional WebSphere Application Server (WAS) to Open Liberty.
Added 5 days ago
M
RQ11598 - Software Developer - Senior
Maarut
Toronto, ON
- Contract
Additional Skills for Oracle Software Developer:
Added 5 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 5 days ago
TT
Architect / Lead - Application Modernization - Bilingual
Tech Talent International
Montreal, QC
- $150,000 to $165,000 CAD / year
- Full-time
We currently have a role as an ARCHITECT / LEAD - APPLICATION MODERNIZATION - Bilingual with our large consulting client, working for a large modernization project for a public sector,…
Added 5 days ago
A
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 5 days ago
FG
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 5 days ago
RB
DevOps Engineering Lead
Royal Bank of Canada
Toronto, ON
- Full-time
As a Devops Engineering Lead, provide direction and engineering support through the process of agile software development.
Added 5 days ago
CO
Application & Integration Technical Analyst
City of Saint John
Saint John, NB
- Full-time
Under the direction of the designated IT Manager, the Application and Integration Technical Analyst is a technical lead responsible for system architecture, data strategy, and integration…
Added 5 days ago
E
Business Intelligence co-op
Ericsson
Ottawa, ON
- Full-time
…When joining our team at Ericsson you are empowered to learn, lead and perform at your best, shaping the future of technology and communication. This is a place where you're welcomed as…
Added 5 days ago
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DevOps Engineering Lead
RBC
Toronto, ON
- Full-time
As a Devops Engineering Lead, provide direction and engineering support through the process of agile software development.
Added 5 days ago
Lead Software Engineer, Full-Stack Applications - AI Innovation squads
Fitch Group
Toronto, ON
Lead Software Engineer, Full-Stack Applications – Innovation Squads
Added 5 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 5 days ago
MP
IT Director, Application Development & Support
Michael Page
Markham, ON
- $140,000 to $180,000 CAD / year
- Full-time
Lead application development, quality engineering, integrations, support, and operational teams.
Added 5 days ago
SM
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 5 days ago
ES
Senior Java Developer
Epsilon Solutions Ltd.
Toronto, ON
- Contract
Role Name: Senior Java Developer / Technical Lead
Added 5 days ago
HT
Software Validation Technologist
Husky Technologies
Bolton, ON
- Full-time
…passion of our people around the world and their desire to lead change. At the same time, we are not afraid to expect a lot and strive for leadership in all of our key markets. We are a…
Added 5 days ago
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Senior Embedded Systems Engineer
Taiv
Winnipeg, MB · Greater Winnipeg Metropolitan Area
- Full-time
Develop and debug Linux kernel drivers and device trees, and lead board bring-up for new hardware revisions on ARM SoCs.
Added 5 days ago
RA
Principal Android Engineer
Rakuten Advertising
Toronto, ON · CN-Yonge Sheppard Center
- Full-time
We are seeking a visionary Principal Android Engineer to lead the evolution of our client application architecture and platform capabilities. You’ll define and drive the technical direction…
Added 5 days ago
C
Expert Solution Information Architecture-CA
CN
Montreal, QC
- Full-time
Lead the delivery of Canadian National Data Services (CNDS) initiatives including the data platform and operational data products
Added 5 days ago
FG
Lead Software Engineer, Full-Stack Applications - AI Innovation squads
Fitch Group, Inc.
Toronto, ON
- Full-time
Lead Software Engineer, Full-Stack Applications – Innovation Squads
Added 5 days ago
SS
DevOps Technical Team Lead, VP
State Street
Toronto, ON
- Full-time
We are seeking a Technical Team Lead to own the technical direction and delivery of our Client CI/CD platform. The platform enables customers to build, validate, and deploy CRIMS…
Added 5 days ago
TC
Java Technical Lead
Tata Consultancy Services
Toronto, ON · Greater Toronto Area, Canada
- $90,000 to $100,000 CAD / year
- Full-time
Design, develop, and maintain scalable backend applications using Java and Quarkus

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.

Apply About employer

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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