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Added 11 hours ago
Business Intelligence Analyst
Block
Toronto, ON
As a Senior Analyst on the team, you will independently own reconciliation and reporting workstreams end to end. You will be the subject matter expert who ensures the numbers tie out:…
Added 11 hours ago
RC
Software Developer - Sr.
Randstad Canada
ON
- $59.38 to $70.6 CAD / hour
- Contract
Toronto, ON Hybrid – 4 Days in Office (Monday–Thursday) -
Added 11 hours ago
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Principal Resource Geologist
Teck
Vancouver, BC
- $138,000 to $170,000 CAD / year
- Full-time
- Hybrid
…to guide high-impact decisions. You are expected to mentor senior practitioners, and influence across…
Added 11 hours ago
RC
Data Analyst V
Randstad Canada
Toronto, ON
- $55.04 to $62.71 CAD / hour
- Contract
Our client, is seeking an experienced, highly innovative Data Analyst V (Senior AI & Automation Data Analyst) to join their core analytics and digital enablement team.
Added 11 hours ago
RC
Sr. Embedded Build, Release and Integration Developer
Randstad Canada
Mississauga, ON
- $110,000 to $150,000 CAD / year
- Full-time
We are looking for a Senior Embedded Build, Release & Integration Developer to
Added 11 hours ago
RC
Senior Systems Administrator/ Operations Support Specialist
Randstad Canada
Toronto, ON
- Contract
Assignment Type: Onsite (5 days per week)
Added 11 hours ago
RC
IT Security Vulnerability Analysis Specialist - Level 2
Randstad Canada
Remote, Canada
- Contract
- Remote
- Technical familiarity with Burp Suite, Metasploit, Acunetix, Nessus or Python or Bash
Added 11 hours ago
RC
Senior Automation Developer – Verification and Testing Frameworks
Randstad Canada
Kanata, ON
- $69.27 to $90.05 CAD / hour
- Contract
Our Client is seeking a Senior Automation Developer specializing in software verification and test framework design. Operating under a Hybrid work model (4 days per week in office - Kanata,…
Added 11 hours ago
RC
Software Developers – Telemetry and Observability Platform
Randstad Canada
Kanata, ON
- $55.42 to $103.91 CAD / hour
- Contract
Operating on a Hybrid schedule (4 days per week in office), we are actively recruiting for:
Added 11 hours ago
RC
Systems Engineers – End-to-End Software Diagnostics and Observability
Randstad Canada
Kanata, ON
- $72.73 to $96.98 CAD / hour
- Contract
Systems Engineer (Mentored / Early-Career) – Focuses on SDLC execution, diagnostic evidence analysis, and feature integration under the direct guidance of senior engineers.
Added 11 hours ago
Senior Data Engineer
Novisto
Montréal, QC
As a Senior Data Engineer on the Analytics Platform, you will build and own the data foundation powering Novisto’s analytics, benchmarking, and AI products. You’ll design the lakehouse,…
Added 11 hours ago
CI
Senior Site Reliability Engineer
Coalition, Inc.
Canada
- $135,900 to $201,000 CAD / year
You'll work across the entire stack - from infrastructure automation and observability to developer enablement and system reliability. You will be a key collaborator with software…
Added 11 hours ago
Staff Software Engineer - UI Platform
Okta
Toronto, ON
Shape a culture of continuous learning by proactively sharing knowledge, mentoring Senior Engineers, and establishing best practices.
Added 11 hours ago
M
Site Reliability Engineer (Senior or Staff), Storage Layer Services (SLS)
MongoDB
Montréal, QC · Toronto, ON
- Full-time
…the storage layer that underpins Atlas. You’ll join a small, senior team of SREs as founding members of this organization, playing a crucial role in executing on a multi-year roadmap for…
Added 11 hours ago
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Senior Software Engineer, Deployments
MongoDB
Toronto, ON
- Full-time
Proficiency in Python, Go, or a similar language
Added 11 hours ago
Senior Software Engineer - Orchestration
Fivetran
ON
We're looking for a senior software engineer to join our Orchestration team, which owns the control plane layer of the dbt platform - the scheduler, execution harness, and results…
Added 11 hours ago
SC
Senior Quant Researcher - Fixed Income
Squarepoint Capital
Montréal, QC
- Full-time
Programming proficiency with at least one major programming or scripting language (e.g. C++, Java, Python).
Added 11 hours ago
RC
Bus Systems Analyst V
Randstad Canada
Toronto, ON
- $71.48 to $84.83 CAD / hour
- Contract
Work Arrangement: Hybrid (4 days per week on-site at the corporate office)
Added 11 hours ago
RC
Senior Systems Testing/QA Specialist
Randstad Canada
Toronto, ON
- Contract
Dedicated Onsite Collaboration: Work directly alongside development teams in a focused 5-day per week onsite setting
Added 11 hours ago
RC
Senior Systems Testing/QA Specialist
Randstad Canada
Toronto, ON
- Contract
Dedicated Onsite Collaboration: Work directly alongside development teams in a focused 5-day per week onsite setting
Added 11 hours ago
RC
Senior Maximo Technical Analyst/ Maximo Solution Architect
Randstad Canada
Toronto, ON
- $77.89 to $84.62 CAD / hour
- Contract
Assignment Type: Hybrid (2–3 days per week onsite)
Added 11 hours ago
RC
Senior Maximo Technical Analyst/ Maximo Solution Architect
Randstad Canada
Toronto, ON
- $77.89 to $84.62 CAD / hour
- Contract
Assignment Type: Hybrid (2–3 days per week onsite)
Added 11 hours ago
RC
Data Solutions Developer IV
Randstad Canada
Toronto, ON
- $56.38 to $66.33 CAD / hour
- Contract
Our client, is seeking a high-performing Data Solutions Developer IV (Senior Data Engineer) to join their enterprise data platform team.
Added 11 hours ago
Senior Software Engineer - Data Platform
hireVouch
Toronto, ON
…and contributing to core product development using Java and Python. If you’re excited by the opportunity to shape a high-impact platform and tackle diverse engineering problems, we’d love…
Added 11 hours ago
H
Senior Software Engineer - Product & Integrations
hireVouch
Toronto, ON
- Hybrid
As a Senior Engineer on our Product & Integrations team, you’ll play a critical role in building and extending our integration platform. You’ll design and implement core capabilities,…

Randstad Canada

Software Developer - Sr.

ON, Canada

$59.38 to $70.6 CAD / hour · Contract

Apply on randstad.ca About employer

Applications open in a new tab.

Job details

Pay: $59.38 to $70.6 CAD / hour
Job type: Contract
Apply by: Dec 6, 2026
Work location: Toronto, ON Hybrid – 4 Days in Office (Monday–Thursday) -
Posting language: English
Posted: Sep 18, 2026

Original job description

Senior Software Developer – Java / Spring Boot / AI

Toronto, ON Hybrid – 4 Days in Office (Monday–Thursday) -
Candidates must be comfortable working onsite Monday–Thursday.

4 Opportunities Available Contract through March with potential extension

Build. Modernize. Innovate. Use AI to Code Smarter.

Are you a Senior Software Developer who loves solving complex problems, modernizing legacy technology and finding smarter ways to build?

We’re looking for 4 Senior Software Developers to join a high-performing technology team working on exciting application modernization, cloud migration and AI-enabled development initiatives.

This is an opportunity to work hands-on with Java, Spring Boot, Python, AWS, GCP and AI coding tools such as GitHub Copilot while helping transform and modernize established applications.

If you’re the kind of developer who doesn't just write code - you understand it, challenge it, improve it and take ownership of the outcome - we want to hear from you.

Advantages
Prime Location: Work out of the North York office - near vibrant transit, food, and culture spots.

We're especially interested in developers who demonstrate initiative and ownership.

Your resume will stand out if you can show examples of:

Projects you've built independently.
A GitHub portfolio or personal technology projects.
Problems you've identified and solved without being asked.
Process or technical improvements you've initiated.
Taking ownership of a project from concept through production.
Optimizing applications or improving performance.
A genuine passion for technology outside of your day-to-day responsibilities.

We want to see what YOU have built - not just what your employer asked you to build.

Responsibilities
What You'll Be Doing

You’ll be working on a variety of modernization and migration initiatives, including:

Developing and maintaining applications using Java and Spring Boot.
Working with Python-based components, including models and scorecards.
Refactoring and restructuring complex legacy Java code.
Supporting Java-to-Java application migrations.
Untangling legacy code and transforming it into clean, maintainable and production-ready solutions.
Working across AWS and GCP cloud environments.
Troubleshooting applications and services using cloud consoles, logs and monitoring tools.
Using AI coding assistants such as GitHub Copilot to accelerate development.
Reviewing and validating AI-generated code to ensure it meets technical, business and production requirements.
Writing and testing high-quality, reliable code.
Taking ownership of solutions from development through production.

You’ll also have access to experienced team members with 10+ years of knowledge of the existing legacy environment, giving you the support and business context needed to navigate complex systems.

Qualifications
Must-Have

Senior-level Java development experience
Strong Spring Boot experience
Strong Python fundamentals
Experience working with legacy codebases
Experience with application modernization, migration or refactoring
Strong understanding of software development fundamentals
Strong testing and code-validation practices
Experience using AI-assisted development tools, particularly GitHub Copilot or similar
Ability to critically review, understand and improve AI-generated code
Ability to produce clean, readable, maintainable and production-ready code

Nice to Have

Experience with:
AWS
Amazon S3
CloudWatch and log analysis
Google Cloud Platform (GCP)
GKE
GCP logging and monitoring
Cloud infrastructure migrations
Java-to-Java migration/refactoring initiatives

AI Isn't Just a Buzzword Here

AI is becoming an important part of how this team develops software.

We're looking for developers who know how to work with AI - not simply rely on it.

You should be comfortable using tools such as Copilot to accelerate development while having the technical depth to ask:

"Is this code actually right?"

You’ll need to understand the output AI produces, identify potential issues, apply business context and make sure the final solution is secure, maintainable, tested and production-ready.

Strong coding fundamentals are just as important as AI experience.

Summary
If you thrive on solving complex technical challenges in a hybrid work environment, we want to hear from you!

Randstad Canada is committed to fostering a workforce reflective of all peoples of Canada. As a result, we are committed to developing and implementing strategies to increase the equity, diversity and inclusion within the workplace by examining our internal policies, practices, and systems throughout the entire lifecycle of our workforce, including its recruitment, retention and advancement for all employees. In addition to our deep commitment to respecting human rights, we are dedicated to positive actions to affect change to ensure everyone has full participation in the workforce free from any barriers, systemic or otherwise, especially equity-seeking groups who are usually underrepresented in Canada's workforce, including those who identify as women or non-binary/gender non-conforming; Indigenous or Aboriginal Peoples; persons with disabilities (visible or invisible) and; members of visible minorities, racialized groups and the LGBTQ2+ community.

Randstad Canada is committed to creating and maintaining an inclusive and accessible workplace for all its candidates and employees by supporting their accessibility and accommodation needs throughout the employment lifecycle. We ask that all job applications please identify any accommodation requirements by sending an email to accessibility@randstad.ca to ensure their ability to fully participate in the interview process.

This posting is for existing and upcoming vacancies.

Apply on randstad.ca About employer

More about this job

Responsibilities

The Senior Software Developer at Randstad Canada will build and modernize Java and Spring Boot applications, refactor legacy code, and support migrations to the cloud. The role also reviews AI-generated code and takes ownership of solutions from development through production.

Requirements

Candidates need senior Java and Spring Boot experience, strong Python fundamentals, and experience with legacy codebases and modernization. They must use AI coding tools like GitHub Copilot critically and write clean, tested, production-ready code.

Skills

Java
Spring Boot
Python
AWS
Google Cloud Platform (GCP)
GitHub Copilot
AI-assisted development
Legacy code refactoring
Application modernization
Cloud migration
Java-to-Java migration
Amazon S3
CloudWatch
GCP logging and monitoring
GKE
Software testing
Code validation
Troubleshooting
Performance optimization
Clean code

Keywords

Java
Spring Boot
Python
AWS
GCP
GitHub Copilot
AI coding assistants
application modernization
legacy code refactoring
cloud migration
Java-to-Java migration
software developer
senior developer
contract
Toronto
North York
hybrid
AI-assisted development
code review
CloudWatch

Seniority

Senior

Tools

Java
Spring Boot
Python
AWS
GCP
GitHub Copilot
Amazon S3
CloudWatch
GKE

Languages

English

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Work requirements

Jobs in Canada