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Added 4 mins ago
MN
Merchandiser
Mosaic North America
ON · North Augusta, ON
- Part-time
Acosta Group believes in good faith that the minimum and maximum annual salary or hourly compensation range for this opportunity is accurate and reasonable at the time of posting.
Added 4 mins ago
MN
Food Sampling Brand Ambassador- North York
Mosaic North America
Toronto, ON · North York, ON
- Part-time
…showcasing top brands and engaging shoppers sounds exciting, this opportunity is for you! We’re looking for enthusiastic Brand Ambassadors to join our team and bring products to life…
Added 4 mins ago
TO
Registered Nurse, Cardiac Day Unit
The Ottawa Hospital
Ottawa, ON
- Full-time
…and in French for positions at the Hospital, and to evaluate job candidate language skills. Language proficiency requirements are based on the nature of the position and the level of…
Added 4 mins ago
MN
Food Sampling Brand Ambassador- Cambridge
Mosaic North America
Cambridge, ON
- Part-time
…showcasing top brands and engaging shoppers sounds exciting, this opportunity is for you! We’re looking for enthusiastic Brand Ambassadors to join our team and bring products to life…
Added 4 mins ago
C-
Technical Sales and Field Service Engineer
Captiveaire - Region 114 Western PA
Saskatoon, SK
- Full-time
Two to three full days per week in the office working on bids, one to two days on job sites, and dedicate another day to developing the territory. Territory development may include giving…
Added 4 mins ago
MN
Loblaw - Food Sampling Brand Ambassador - Kitchener
Mosaic North America
Kitchener, ON
- Internship
Love to interact with customers (If you’re very shy, this may not be the job for you)
Added 4 mins ago
MN
Food Sampling Brand Ambassador- Oakville
Mosaic North America
Oakville, ON
- Part-time
…showcasing top brands and engaging shoppers sounds exciting, this opportunity is for you! We’re looking for enthusiastic Brand Ambassadors to join our team and bring products to life…
Added 4 mins ago
MN
Food Sampling Brand Ambassador- Mississauga
Mosaic North America
Mississauga, ON
- Part-time
…showcasing top brands and engaging shoppers sounds exciting, this opportunity is for you! We’re looking for enthusiastic Brand Ambassadors to join our team and bring products to life…
Added 33 mins ago
BN
Senior Policy Analyst
Build Nova Scotia
Halifax, NS
- Full-time
Added 33 mins ago
GC
Specialist, MaintenanceNew
Glencore Canada
Sparwood, BC
- $108,000 to $126,000 CAD / year
- Full-time
Job ID07517db8-8aeb-459e-bcc6-05eee5af018eLast Updated28/09/2026
Added 33 mins ago
HM
Family Practitioner/General Practitioner
Health Match BC
Chilliwack, BC
- Full-time
We are seeking a dedicated and collaborative physician to join our team in a unique job share arrangement. This role offers a balanced mix of clinical and hospital-based work, ideal for…
Added 33 mins ago
HM
Family Practitioner/General Practitioner
Health Match BC
Chilliwack, BC
- Full-time
We are seeking a dedicated and collaborative physician to join our team in a unique job share arrangement. This role offers a balanced mix of clinical and hospital-based work, ideal for…
Added 33 mins ago
SA
Food Service Attendant (FT) - (YTZ Airport)
SSP America
Toronto, ON
- Full-time
Added 33 mins ago
KC
Project Manager, IT
KPMG Canada
Vaughan, ON
- Full-time
At times, business needs arise, and employees are required and agree to work beyond their normal workday or work week to fulfill the accountabilities required for their job
Added 33 mins ago
KC
Project Manager, IT
KPMG Canada
Toronto, ON
- Full-time
At times, business needs arise, and employees are required and agree to work beyond their normal workday or work week to fulfill the accountabilities required for their job
Added 34 mins ago
LH
REGISTERED MASSAGE THERAPIST
Lais Hotel Properties L
Jordan Station, ON
- Part-time
Inn on the Twenty is currently seeking a Registered Massage Therapist to join our growing team! This is a great opportunity that can provide flexibility, valuable work experience, and a…
Added 34 mins ago
SC
SAP iXp Intern – Sustainability Go-To-Market
SAP Careers
Toronto, ON
- $21 to $38 CAD / hour
- Full-time
…equity. The salary range for this position is included in the job posting. The actual compensation offered to the successful candidate will fall within that range and will depend on factors…
Added 49 mins ago
E
Journeyman & Apprentice Power Systems Electricians
EllisDon
Calgary, AB
- Full-time
These Journeyman and Apprentice PSE roles are open to people in and around Calgary, and Edmonton, AB, as the work is completed at job sites in the area.
Added 49 mins ago
T
Vulnerability Remediation Analyst
TEKsystems
Toronto, ON
- $25 to $35 CAD / hour
- Contract
…factors, including qualifications, skills, relevant experience, job knowledge, geographic location, internal equity, and other pertinent job-related…
Added 49 mins ago
VE
North American Procurement Estimation Co-op
Veolia Environnement SA
Oakville, ON
- Internship
…work permit or any other Canadian work authorization for this opportunity.…
Added 49 mins ago
VE
Procurement Co-op
Veolia Environnement SA
Oakville, ON
- Full-time
…work permit or any other Canadian work authorization for this opportunity.…
Added 49 mins ago
VE
Laboratory Co-op
Veolia Environnement SA
Sarnia, ON
- Internship
…work permit or any other Canadian work authorization for this opportunity.…
Added 49 mins ago
OT
Lead Automation Architect
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Mississauga, ON · Richmond Hill, ON · Waterloo, ON
- Other
…development, SRE, and automation strategy. You’ll have the opportunity to make a visible, organization-wide impact by shaping how automation is adopted and scaled across diverse teams and…
Added 1 hour ago
MW
Backend Engineer (Golang)
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Offer qualified employees the opportunity for ESOP.
Added 1 hour ago
DH
Restaurant General Manager - The Bessborough Hotel
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- Full-time

Rose International

Senior Full Stack Java Developer - React, Spring Boot & MongoDB

Mississauga, ON, Canada

Full-time

Apply About employer

Applications open in a new tab.

Job details

Job type: Full-time
Apply by: Nov 4, 2026
Education: Bachelor’s degree
Experience: Typically 6+ years of professional software development experience, with strong hands-on experience in Java-based enterprise application development.
Posting language: English
Posted: Oct 5, 2026

Original job description

Date Posted: 10/02/2026

Hiring Organization: Rose International

Position Number: 508604

Industry: Financial Services

Job Title: Senior Full Stack Java Developer - React, Spring Boot & MongoDB

Job Location: Mississauga, ON, Canada, L5R 0B8

Work Model: Hybrid

Work Model Details: Hybrid -3 days onsite and 2 days remote

Shift: Standard Working Hours

Employment Type: Temp to Hire

FT/PT: Full-Time

Estimated Duration (In months): 6

Min Hourly Rate($): 70.00

Max Hourly Rate($): 80.00

Must Have Skills/Attributes: Banking/Financial, CSS, HTML, Java, MongoDB, React, Spring Boot

Experience Desired: Professional software development experience with Java and enterprise applications (6+ yrs); Hands-on experience developing Java, Spring Boot, and REST API applications (5+ yrs); Experience with React, MongoDB, OpenShift, and containerized environments (4+ yrs)

Required Minimum Education: Bachelor’s Degree

**C2C is not available**

Job Description

Required Education:

Bachelor's degree or equivalent experience in Computer Science, Information Technology, Engineering, or a related field.

Required Skills, Experience, & Abilities

Typically 6+ years of professional software development experience, with strong hands-on experience in Java-based enterprise application development.
Strong hands-on experience with Java 8+ and Spring Boot / Spring Framework.
Strong experience developing REST APIs and microservices.
Strong experience with React.js and good understanding of JavaScript / TypeScript, HTML, and CSS.
Hands-on experience with MongoDB, including NoSQL concepts, data modeling, indexing, and query optimization.
Hands-on experience with OpenShift and containerized application environments.
Experience with Docker / Kubernetes concepts and CI/CD practices.
Experience with Git or other source control systems.
Good understanding of object-oriented programming, design patterns, enterprise application development, and modern software engineering practices.
Experience with unit testing and automated testing frameworks.
Experience developing responsive and reusable UI components and integrating front-end applications with REST APIs.
Ability to design, develop, integrate, deploy, troubleshoot, and support production-grade enterprise applications.
Strong understanding of microservices architecture and distributed systems.
Strong problem-solving, analytical, communication, and collaboration skills.
Ability to work effectively with distributed, cross-functional technology teams.
Familiarity with Agile / Scrum development methodologies.
Ability to implement appropriate application security, logging, monitoring, and error-handling practices.

Desired Skills, Experience, & Abilities

Previous experience in banking, financial services, insurance, fintech, or other regulated enterprise environments.
Understanding of enterprise application security, data protection, auditability, and regulatory requirements.
Experience with high-volume, highly available, and business-critical applications.
Exposure to relational databases such as Oracle, SQL Server, or PostgreSQL.
Exposure to Jenkins, GitLab CI, Azure DevOps, or similar CI/CD platforms.
Experience with messaging technologies such as Kafka, MQ, or similar platforms.
Familiarity with API management and security concepts such as OAuth 2.0, JWT, and TLS.
Experience with application monitoring and observability tools.
Experience delivering production-grade applications in a large enterprise environment.
Experience providing technical guidance and mentorship to junior and intermediate developers.

Job Overview

Seeking a Senior Full Stack Java Developer to join a technology team supporting applications and digital solutions within the Banking / Financial Services domain.

The role requires strong hands-on experience with Java, Spring Boot, React, MongoDB, and OpenShift, along with a solid understanding of enterprise application development, APIs, cloud-native technologies, microservices, distributed systems, and modern software engineering practices. The successful candidate will work closely with business analysts, architects, developers, QA engineers, DevOps teams, and other stakeholders to understand business requirements and translate them into scalable, secure, and maintainable technical solutions. The position involves working across the application lifecycle, including technical design, development, integration, testing, deployment, troubleshooting, production support, and operational processes in an enterprise environment.

Responsibilities

Design, develop, and maintain scalable enterprise applications using Java and Spring Boot.
Develop responsive, user-friendly front-end applications and reusable UI components using React.
Build and consume RESTful APIs and integrate applications with internal and external systems.
Develop and optimize data solutions using MongoDB and related database technologies.
Deploy and manage applications in OpenShift and other containerized environments.
Participate in application architecture, technical design, coding, code reviews, testing, and production support.
Develop reusable, maintainable, high-quality code following enterprise coding standards and best practices.
Troubleshoot application, performance, integration, and production issues.
Collaborate with DevOps teams to support CI/CD pipelines, automated deployments, and containerized application delivery.
Implement application security, logging, monitoring, and error-handling practices.
Participate in Agile ceremonies, including sprint planning, stand-ups, retrospectives, and backlog refinement.
Work with cross-functional teams to understand business requirements and translate them into technical solutions.
Provide technical guidance and mentorship to junior and intermediate developers.
Contribute to technical documentation, design documents, deployment procedures, and operational support processes.
**Only those lawfully authorized to work in the designated country associated with the position will be considered.**
**Please note that all Position start dates and duration are estimates and may be reduced or lengthened based upon a client’s business needs and requirements.**

Benefits

For information and details on employment benefits offered with this position, please visit here. Should you have any questions/concerns, please contact our HR Department via our secure website.

California Pay Equity

For information and details on pay equity laws in California, please visit the State of California Department of Industrial Relations' website here.

Rose International is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, age, sex, sexual orientation, gender (expression or identity), national origin, arrest and conviction records, disability, veteran status or any other characteristic protected by law. Positions located in San Francisco and Los Angeles, California will be administered in accordance with their respective Fair Chance Ordinances.

If you need assistance in completing this application, or during any phase of the application, interview, hiring, or employment process, whether due to a disability or otherwise, please contact our HR Department.

Rose International has an official agreement (ID #132522), effective June 30, 2008, with the U.S. Department of Homeland Security, U.S. Citizenship and Immigration Services, Employment Verification Program (E-Verify). (Posting required by OCGA 13/10-91.).

Apply About employer

More about this job

Responsibilities

Design, develop, and support enterprise applications using Java, Spring Boot, React, MongoDB, REST APIs, and OpenShift. Collaborate with cross-functional teams on technical design, testing, deployment, production support, CI/CD, and mentoring developers.

Requirements

Requires a bachelor's degree or equivalent experience and typically at least six years of professional software development experience, including substantial Java, Spring Boot, REST API, and React experience. Candidates should also have hands-on MongoDB and OpenShift/container experience, knowledge of microservices and testing, and strong collaboration and problem-solving skills.

Skills

Java
Spring Boot
React
MongoDB
OpenShift
REST APIs
Microservices
HTML
CSS
JavaScript
TypeScript
Docker
Kubernetes
CI/CD
Automated Testing
Banking And Financial Services

Visa sponsorship

Not detected in the job text

Keywords

Java
Spring Boot
Spring Framework
React
JavaScript
TypeScript
HTML
CSS
MongoDB
OpenShift
Docker
Kubernetes
REST APIs
Microservices
Distributed Systems
CI/CD
Git
Unit Testing
Automated Testing
Agile
Scrum
Banking
Financial Services
NoSQL
Data Modeling
Indexing
Query Optimization
OAuth 2.0
JWT
Kafka

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