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Added 6 days ago
GI
Senior Software Developer
GuestTek Interactive Entertainment Ltd.
Calgary, AB
- Full-time
As a GuestTek software developer you will dive into a role that lets your creativity and technical experience craft quality and innovative, best-in-class software products as well as design…
Added 6 days ago
Lead Software Engineer, Full-Stack Applications - AI Innovation squads
Fitch Group
Toronto, ON
…architect net-new agentic systems and intelligent platforms using Java/Springboot, REACT, and emerging AI technologies that fundamentally change how analysts work and how Fitch…
Added 6 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 6 days ago
MP
IT Director, Application Development & Support
Michael Page
Markham, ON
- $140,000 to $180,000 CAD / year
- Full-time
Experience with React, Next.js, Java, Spring Boot, REST APIs, Microservices, and BFF architecture.
Added 6 days ago
MC
Software Engineer – Java
MatchBox Consulting Group
Vancouver, BC
- $104,500 to $132,000 CAD / year
- Full-time
MatchBox Consulting Group is currently seeking several Java Developers for a permanent role with a client of ours located in Vancouver
Added 6 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 6 days ago
ES
Senior Java Developer
Epsilon Solutions Ltd.
Toronto, ON
- Contract
Role Name: Senior Java Developer / Technical Lead
Added 6 days ago
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Full Stack Developer - Angular Expert
Highspring
Montreal, QC
- Contract
We are looking for a Senior Full Stack Developer to support a multi-year enterprise application modernization initiative within the financial services sector.
Added 6 days ago
SM
RQ11721 – Software Developer – Intermediate
S M Software Solutions Inc
Toronto, ON
- Internship
Job Title: RQ11721 – Software Developer – Intermediate
Added 6 days ago
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Software Validation Technologist
Husky Technologies
Bolton, ON
- Full-time
Experience with C# compliant languages such as C, Java, and Python -Experience with Modbus , Ethernet, EtherCAT
Added 6 days ago
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Digital Developer (AEM Experience)
Zodiac Solutions, Inc
Toronto, ON
- Full-time
Job Title: Digital Developer (AEM Experience)
Added 6 days ago
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Software Developer – Senior (Dynamics 365 CRM and Java/React)
Bevertec
Toronto, ON
- Contract
Job Role: Software Developer – Senior (Dynamics 365 CRM and Java/React)
Added 6 days ago
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Senior Embedded Systems Engineer
Taiv
Winnipeg, MB · Greater Winnipeg Metropolitan Area
- Full-time
Strong C and C++, comfortable in Java or Kotlin for framework work and Python or shell for tooling
Added 6 days ago
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Software Developer
Spait Infotech
Canada
- Full-time
Proficiency in at least one programming language, such as Python, Java, C#, JavaScript, or TypeScript.
Added 6 days ago
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Senior Java Developer – IBM MDM v12
Tamanna Technology
Toronto, ON · Greater Toronto Area, Canada
- Contract
We are seeking a 𝗦𝗲𝗻𝗶𝗼𝗿 𝗝𝗮𝘃𝗮 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿 with 𝟭𝟬+ 𝘆𝗲𝗮𝗿𝘀 𝗼𝗳 𝗲𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲 in enterprise application development. Candidates must have strong expertise in…
Added 6 days ago
SI
Java Backend Developer
Smart IT Frame LLC
Mississauga, ON
- Full-time
Seeking a Specialist with 7 years of experience in Java Frameworks to design develop and maintain scalable microservicesbased applications using Spring and Spring Boot
Added 6 days ago
PC
AI Platform Engineer
Pyramid Consulting, Inc
Halifax, NS
- $42 CAD / hour
- Contract
Champion developer-experience and best practices in conjunction with DevOps to ensure no developer is left behind
Added 6 days ago
RA
Principal Android Engineer
Rakuten Advertising
Toronto, ON · CN-Yonge Sheppard Center
- Full-time
…including generative AI and intelligent automation, to enhance developer productivity, optimize application capabilities, and drive innovation in mobile platform…
Added 6 days ago
MC
Senior Software Engineer
MatchBox Consulting Group
Vancouver, BC
- $133,000 to $168,000 CAD / year
- Full-time
Strong TypeScript fundamentals, with experience in other languages such as Go, Python, Java, or C# also valued.
Added 6 days ago
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eTrading Java Developer, Front Office Trading
Citi
Mississauga, ON
- Full-time
We are seeking a talented and passionate Core Java Developer to join our Rates eTrading team, which is responsible for Citi’s market-leading electronic connectivity and distribution…
Added 6 days ago
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Machine Learning Engineer
Manulife
Toronto, ON
- Full-time
…experience in ML frameworks and libraries. Experience with Java or Scala for model serving and JVM-based pipelines is an asset, as is familiarity with GenAI tooling such as LangChain,…
Added 6 days ago
PP
AI Trainer - Coding
Planet Pharma
Canada
- Contract
Strong experience with at least one common language: (Python, JavaScript / TypeScript, Java, Go, C#, C++, Rust, Ruby, PHP, Swift, Kotlin)
Added 6 days ago
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Sr Java Developer
Bevertec
Toronto, ON
- $90 to $95 CAD / hour
- Contract
Added 6 days ago
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Expert Solution Information Architecture-CA
CN
Montreal, QC
- Full-time
…(ML) technologies and Legacy Systems Modernization (Mainframe, Java, IIB, DataStage,…
Added 6 days ago
A
Software Developer
AppDirect
Montreal, QC
- Full-time
Core Java & Java Frameworks: Spring Framework / J2EE / Reactor

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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