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Added 14 days ago
Sr. Principal AI Architect
Open Text Corporation
Richmond Hill, ON
As a Senior Principal AI Architect, you will shape how OpenText builds and operates AI solutions across its product portfolio. Working with architects and engineering leaders across…
Added 14 days ago
RE
Java Software Engineer
Randstad Enterprise
Montreal, QC
- Full-time
We are seeking a Java Engineer in the Firm Market Risk Technology team, you will design, build, and optimize high-performance Java systems powering the Firm Market Risk Platform. In this…
Added 14 days ago
O
Sr. Principal AI Architect
OpenText
Richmond Hill, ON
- Full-time
As a Senior Principal AI Architect, you will shape how OpenText builds and operates AI solutions across its product portfolio. Working with architects and engineering leaders across…
Added 14 days ago
O
Sr. Principal AI Architect
OpenText
Waterloo, ON
- Full-time
As a Senior Principal AI Architect, you will shape how OpenText builds and operates AI solutions across its product portfolio. Working with architects and engineering leaders across…
Added 14 days ago
O
Senior Principal AI Architect
OpenText
Waterloo, ON
- Full-time
As a Senior Principal AI Architect, you will shape how OpenText builds and operates AI solutions across its product portfolio. Working with architects and engineering leaders across…
Added 14 days ago
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Manager or Senior Manager, Scientific Research & Experimental Development - Technical (IT)
MNP
Montreal, QC · Quebec, QC
- Full-time
Make an impact with our Scientific Research and Experimental Development (SR&ED) team as a Manger or Senior Manager, specializing in IT and Software. This diverse team of professionals…
Added 14 days ago
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Senior Software Engineer
Elective
Vancouver, BC
- Full-time
As a Senior Software Engineer at Elective, nothing you build is invisible and you'll be in the room for planning, speccing, and debating architectural direction rather than just receiving…
Added 15 days ago
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Senior Java Developer
Citi
Mississauga, ON · ON
- Full-time
Citi Futures Front Office Technology supports a rapidly growing business with a high degree of change. The role is a senior lead developer to contribute to the Risk and Trading solution,…
Added 15 days ago
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Senior Applications Developer - Assistant Vice President
Citi
Mississauga, ON
- Full-time
Acts as SME to senior stakeholders and /or other team members.
Added 15 days ago
ES
Senior Software Developer
Euna Solutions
ON · Oakville, Ontario
- Full-time
…users depend on to responsibly manage public dollars. As a Senior Developer, you will own features end to end across a modernization effort moving a large-scale legacy monolith toward a…
Added 15 days ago
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Team Lead, Senior Fullstack Engineer
Arcadia
Toronto, ON
- $160,000 to $220,000 CAD / year
- Full-time
A fast-growing AI software company is hiring a Team Lead, Senior Full Stack Software Engineer in Toronto to help build a modern enterprise platform used to manage, monitor, and scale AI…
Added 15 days ago
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Data Architect
Univeris
Toronto, ON
- Full-time
Added 15 days ago
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Data Architect
Univeris
Toronto, ON
- $130,000 to $150,000 CAD / year
- Full-time
Added 15 days ago
TC
Java Developer
TMC Canada
Montreal, QC
- Full-time
We're looking for a Senior Java Developer to join a global engineering team building large-scale, distributed risk management applications. You'll work on mission-critical systems that…
Added 15 days ago
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Developer Java, Spring, AWS
Maarut
Longueuil, QC
- Contract
senior developer with 12 years of experience who can jump right in on existing
Added 15 days ago
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Staff Software Developer, Canada Tax Content
Intuit
Toronto, ON
- Full-time
The Canada Tax Content team is looking for a highly motivated, innovative Staff Software Developer to help build and maintain Canada's leading tax products. You'll work with a diverse team…
Added 15 days ago
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Senior Software Engineer II, KYC
Carta
Toronto, ON
- Full-time
…judgment will directly shape the outcome. You'll join a small, senior team that blends startup-style execution with the rigor required to ship to production at…
Added 15 days ago
ES
Software Engineering Team Lead
Exchange Solutions
Toronto, ON · Greater Toronto Area, Canada
- Full-time
As a Team Lead at Exchange Solutions, you are the senior hands-on engineer on your team, delivering a product area of our platform. You set the technical standard in the code your team…
Added 1 month ago
Technical Lead / Senior Developer - Software Development
EY
Saskatoon, SK · Toronto, ON · Edmonton, AB · Vancouver, BC · Victoria, BC · Winnipeg, MB · Dieppe, NB · Saint John, NB · St. John's, NL · Halifax, NS · London, ON · Ottawa, ON · AB · ON · Waterloo, ON · Calgary, AB
As a Technical Lead or a Senior Consultant, you will be responsible for leading the design, development, and delivery of scalable enterprise applications. This role combines deep hands-on…
Added 16 days ago
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Test Automation Senior Manager (SDET)
Accenture
Ottawa, ON · Toronto, ON · Montreal, QC
- Full-time
Strong coding experience (TypeScript, JavaScript, Java, or similar) with hands-on experience building automation frameworks
Added 15 days ago
SG
Senior Programmer - C++ / C#
Smoking Gun Interactive
Remote, Canada
- Full-time
- Remote
As a Senior Programmer at Smoking Gun Interactive (SGI), you’re a talented and driven person who enjoys working on great projects. You have experience in a variety of areas of game…
Added 15 days ago
SG
Lead Programmer - C++ / C#
Smoking Gun Interactive
Remote, Canada
- Full-time
- Remote
Shipped at least one game as a senior or lead programmer;
Added 16 days ago
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Sr. Software Engineer - Fullstack
eBay
Toronto, ON
- Full-time
We are looking for a Senior Software Engineer – Full Stack with 6+ years of professional software development experience to help build a new, scalable authentication platform.
Added 15 days ago
Stagiaire en développement de logiciels (été 2027) / Software Developer Intern (Summer 2027)
Tower Research Capital
Montreal, QC
Connaissance des langages de développement (y compris C++, Golang, Java, Python ou Rust);
Added 15 days ago
BD
Senior DevOps Engineer - Cloud Operations
Black Duck
Calgary, AB
- Full-time
Experience supporting Java/J2EE applications in production (understanding deployments, JVM tuning, debugging)

Maarut

Developer Java, Spring, AWS

Longueuil, QC, Canada

Contract

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Job details

Job type: Contract
Posting language: English
Posted: Sep 18, 2026

Original job description

The mandate is looking for a senior developer with 12 years of experience who can jump right in on existing Java, Spring, and AWS code to tackle technical debt and fix vulnerabilities, rather than someone focused on developing new features.
The Mythos context and repeated mentions of security posture, vulnerability management, and technological upgrade point to a role centered on actively modernizing an existing application portfolio, not just a standard maintenance job.
The note about AI-assisted development practices, while not a dealbreaker, makes it clear the client is interested in candidates comfortable using these tools in a secure development setting.
The profile combines precise technical expertise (Java, Spring, AWS, microservices, distributed or event-driven architecture) with the ability to shape an automated testing strategy, setting it apart from a regular generalist application developer.

Requirements

Requirement

Bachelor’s degree in computer science or an equivalent discipline
Minimum 12 years of experience in software development, including enterprise application modernization
Excellent proficiency in Java
Significant experience with the Spring ecosystem (Spring Boot, Spring Framework, Spring Security)
Significant experience in API development and microservices architectures
Hands-on experience with AWS, including managed services and serverless technologies
Experience with distributed or event-driven solutions
Experience with CI/CD tools and practices
Implementation of an automated testing strategy (unit, integration, regression, and UI testing)
Experience in reducing technical debt and modernizing applications
Experience in vulnerability management and secure software development
Proficiency in French, both written and spoken

PREFERRED

Knowledge of AI-assisted development practices in a secure environment
Experience working in an Agile environment

ASSET / NICE-TO-HAVE

No distinct nice-to-have criteria were identified in the provided description

WHAT WE DON'T WANT

Less than 12 years of experience in software development.
No hands-on experience modernizing existing applications, only developing new features.
No practical experience with AWS, only theoretical knowledge.
No experience with the Spring ecosystem.
No experience in automated testing or continuous integration.
Profile focused on organizational architecture without direct coding involvement (should be redirected to the solutions architect position in the set of 5 requests).

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More about this job

Responsibilities

The developer will focus on modernizing an existing application portfolio by addressing technical debt and fixing security vulnerabilities. They will also be responsible for implementing an automated testing strategy and maintaining high standards of secure software development.

Requirements

Candidates must have a bachelor's degree and at least 12 years of experience in software development with a strong focus on Java, Spring, and AWS. Proficiency in French is required, along with hands-on experience in microservices, CI/CD, and vulnerability management.

Skills

Java
Spring Boot
Spring Framework
Spring Security
AWS
Microservices
API Development
Technical Debt Reduction
Vulnerability Management
Automated Testing
CI/CD
Distributed Systems
Event-driven Architecture
Secure Software Development
Application Modernization
AI-assisted Development

Visa sponsorship

Not detected in the job text

Keywords

Java
Spring Boot
Spring Framework
Spring Security
AWS
Microservices
API Development
Technical Debt
Vulnerability Management
Automated Testing
CI/CD
Distributed Systems
Event-driven Architecture
Secure Software Development
Application Modernization
AI-assisted Development
Agile
Software Development
Enterprise Application
Serverless
Managed Services

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