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Added 6 days ago
A
AI LLM Senior Analyst
Accenture
Mississauga, ON · Montreal, QC
- Full-time
Develop and implement machine learning algorithms, models, and computational systems; design and build scalable data pipelines to support model training and production with DevOps & MLOps
Added 6 days ago
SS
Senior Java Software Engineer
Soho Square Solutions
Toronto, ON
- Contract
We're hiring: Senior Full Stack Developer (Java / Spring Boot / Angular)
Added 6 days ago
M
RQ11720 - Software Developer - Senior
Maarut
Toronto, ON
- Contract
Experience supporting deployments, production-readiness
Added 6 days ago
CO
Application & Integration Technical Analyst
City of Saint John
Saint John, NB
- Full-time
Demonstrable ability to support and administer production business applications (triage, troubleshooting, root-cause analysis, and resolution) within an ITSM/ticketing environment,…
Added 6 days ago
E
Software Engineer, Growth Platforms
EngRadar
Toronto, ON
- Full-time
Participate in on-call rotations, respond to production incidents, and support teammates in mitigating customer-impacting events
Added 6 days ago
A
Software Developer
AppDirect
Montreal, QC
- Full-time
We are looking to hire a skilled and ambitious software developer in Montreal. You are a highly technical, hands-on fullstack developer with a passion for producing maintainable and robust…
Added 6 days ago
R
DevOps Engineering Lead
RBC
Toronto, ON
- Full-time
Lead the design, implementation, and maintenance of scalable, secure, and high-performance infrastructure to support development and production environments.
Added 6 days ago
Software Engineer - Agent Development
Infoblox
Burnaby, BC
…you will help design, build, and improve agentic systems that support intelligent software development and data engineering workflows. You will contribute to coding-agent experiences,…
Added 6 days ago
Lead Software Engineer, Full-Stack Applications - AI Innovation squads
Fitch Group
Toronto, ON
…proficiency in modern programming languages, frameworks, and production environments (Java/Springboot/REACT experience highly…
Added 6 days ago
M
RQ11657 - Software Developer - Senior
Maarut
Toronto, ON
- Contract
application deployments, releases, troubleshooting, and ongoing production
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
H
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
TT
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
Develop test and deploy Java microservices utilizing Spring Boot and related technologies Design and implement RESTful APIs ensuring seamless integration with frontend and other services…
Added 6 days ago
MC
Senior Software Engineer
MatchBox Consulting Group
Vancouver, BC
- $133,000 to $168,000 CAD / year
- Full-time
Take ownership of production operations, including troubleshooting, incident response, and ongoing system reliability.
Added 6 days ago
M
Machine Learning Engineer
Manulife
Toronto, ON
- Full-time
Scalable Infrastructure: Develop and maintain scalable ML platforms and serving infrastructure that support training, inference, monitoring, and lifecycle management of models in production.
Added 6 days ago
FG
Lead Software Engineer, Full-Stack Applications - AI Innovation squads
Fitch Group, Inc.
Toronto, ON
- Full-time
…proficiency in modern programming languages, frameworks, and production environments (Java/Springboot/REACT experience highly…
Added 6 days ago
SI
Java Developer
Smart IT Frame LLC
Mississauga, ON
- Full-time
Develop test and deploy Java microservices utilizing Spring Boot and related technologies Design and implement RESTful APIs ensuring seamless integration with frontend and other services…
Added 6 days ago
X
Senior Software Engineer - Payments Platform
Xero
Remote, Canada
- Full-time
- Remote
…distributed services that remain dependable under real-world production constraints, with the monitoring and operational readiness to support…
Added 6 days ago
X
Senior Software Engineer - Accounting Core
Xero
Remote, Canada
- Full-time
- Remote
As a Senior Engineer, you’ll own significant end-to-end initiatives from technical design through to production, helping decide how accounting capabilities can be separated from the…
Added 6 days ago
SS
DevOps Technical Team Lead, VP
State Street
Toronto, ON
- Full-time
Troubleshoot and resolve production issues involving pipelines, infrastructure, deployments, and customer environments.
Added 6 days ago
SL
Senior Reliability Site Engineer (Operations)
Sun Life
Toronto, ON · Waterloo, ON · Sun Life Toronto Atria
- Full-time
We are looking for a Senior Software Engineer who thrives in high-impact environments and brings 7+ years of Java application support, analysis, and development experience. In this role,…
Added 6 days ago
MI
Senior Java Technical Lead
Maarut Inc
Toronto, ON
- Contract
Experience developing and maintaining complex enterprise applications using Java.
Added 6 days ago
Senior Software Engineer - Orders
Vivid Seats
Toronto, ON
…that our People are our greatest competitive advantage. To support our People, we have built a company culture that empowers our employees to embrace challenges, encourages unity through…
Added 6 days ago
B
Development Lead - AWS
BMO
Toronto, ON · BMOPLACE
- Full-time
…managed services environments, next-generation databases and, developer tools. Migrates existing applications to the cloud, and modifies existing applications for the cloud, or builds new…

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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