Jobs in Canada

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Added 12 hours ago
RC
Java Developer IV- 1757
Randstad Canada
ON
- $70.98 to $84.33 CAD / hour
- Contract
Familiarity with frontend frameworks (React.js or Angular) to better guide full-stack squad initiatives.
Added 12 hours ago
RC
Senior Systems Testing/QA Specialist
Randstad Canada
Toronto, ON
- Contract
Assignment Type: Hybrid (2 days per week onsite)
Added 12 hours ago
RC
Senior Software Developer - Full Stack
Randstad Canada
Toronto, ON
- Contract
Assignment Type: Hybrid (2 days per week onsite)
Added 12 hours ago
RC
Junior Software Developer
Randstad Canada
Toronto, ON
- Contract
Structured Onsite Team: Accelerate technical growth and skill development in a dedicated 5-day per week onsite workspace
Added 12 hours ago
RC
Senior Software Developer - Full Stack
Randstad Canada
ON
- Contract
We are seeking a highly skilled Senior Software Developer - Full Stack specializing in Java and Angular to lead the design, re-platforming, and delivery of a modern operational reporting…
Added 12 hours ago
RC
QA Engineer SDET
Randstad Canada
Toronto, ON
- $59.87 to $68.06 CAD / hour
- Contract
We are seeking an experienced Senior QA Automation Engineer to join a dynamic, collaborative technology team. In this role, you will be responsible for testing and delivering complex…
Added 12 hours ago
RC
Senior Software Engineer
Randstad Canada
ON
- $54.39 to $60.36 CAD / hour
- Contract
Work Model: 4 days per week onsite · Candidates can be based in either Toronto or Montreal
Added 12 hours ago
RC
Senior Software Developer
Randstad Canada
Toronto, ON
- Contract
Assignment Type: Onsite (5 days per week)
Added 12 hours ago
RC
Senior Software Developer- Front End
Randstad Canada
Toronto, ON
- Contract
Assignment Type: Onsite (5 days per week)
Added 12 hours ago
RC
Senior Software Developer - Full Stack
Randstad Canada
Toronto, ON
- Contract
Assignment Type: Onsite (5 days per week)
Added 12 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 12 hours ago
RC
Senior Software Developer - Full Stack
Randstad Canada
ON
- Contract
Dedicated Onsite Team: Direct collaboration alongside senior architects and technical leads in a focused, 5-day per week workspace
Added 12 hours ago
Staff Software Engineer - UI Platform
Okta
Toronto, ON
…customers across the world. We are looking for an experienced full stack Staff Software Engineer (with a focus on UI) who is passionate about building large-scale, mission-critical…
Added 12 hours ago
Senior Software Engineer - Orchestration
Fivetran
ON
Fivetran and dbt Labs are bringing together two industry-leading companies with a shared mission: helping organizations unlock the full value of their data.
Added 12 hours ago
RC
Senior Software Developer - Full Stack
Randstad Canada
Toronto, ON
- Contract
If you're interested in the "Senior Software Developer - Full Stack" role based in Toronto, we encourage you to apply online at www.randstad.ca. Only qualified candidates will be contacted…
Added 12 hours ago
RC
Senior Full Stack Software Developer
Randstad Canada
Toronto, ON
- Contract
We are seeking a Senior Full Stack Software Developer for a 6-month contract role. In this role, you will lead the design, development, and implementation of large-scale enterprise…
Added 12 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 12 hours ago
RC
Intermediate Software Developer
Randstad Canada
Toronto, ON
- Contract
Dedicated Onsite Collaboration: Work directly alongside senior developers and architects in a focused, 5-day per week workspace
Added 12 hours ago
RC
Senior Solutions Designer
Randstad Canada
Toronto, ON
- Contract
Focused Onsite Collaboration: Collaborate directly alongside senior architects and technical leads in a dedicated 5-day per week workspace
Added 12 hours ago
RC
Senior Full Stack Software Developer - Java/React
Randstad Canada
Toronto, ON
- Contract
Assignment Type: Onsite (5 days per week)
Added 12 hours ago
RC
Software Developer V - client server
Randstad Canada
Toronto, ON
- $64.33 to $78.62 CAD / hour
- Contract
Work Arrangement: Hybrid (Initially 2 days per week on-site at corporate offices, transitioning to 4 days per week on-site next year)
Added 12 hours ago
RC
Intermediate Software Developer
Randstad Canada
Toronto, ON
- Contract
Dedicated Onsite Collaboration: Work alongside senior software engineers and enterprise architects in a focused 5-day per week workspace
Added 12 hours ago
RC
JAVA Developer / Full Stack Developer
Randstad Canada
Toronto, ON
- Contract
3 days per week in the office in downtown Toronto
Added 12 hours ago
RC
AML Developer IV
Randstad Canada
Toronto, ON
- $79.61 to $94.64 CAD / hour
- Contract
Work Arrangement: Hybrid (3 days per week on-site: Anchor days in Markham/Toronto corporate offices; subject to future operational adjustments)
Added 12 hours ago
Team Lead, DevOps
AGFA
Waterloo, ON
Work closely with development teams (Java & Angular) to enhance developer experience and streamline software delivery.

Randstad Canada

Senior Software Developer

Toronto, ON, Canada

Contract

Apply on randstad.ca About employer

Applications open in a new tab.

Job details

Job type: Contract
Apply by: Nov 23, 2026
Posting language: English
Posted: Sep 23, 2026

Original job description

We are seeking a highly accomplished Senior Software Developer for an enterprise-level contract opportunity based in Toronto. In this role, you will take on a premier full-stack software engineering, microservices architecture, and backend service design capacity, specializing in building and modernizing large-scale, multi-client web applications.

As a senior software developer, you will bridge the gap between responsive front-end applications, robust Java back-end services, distributed microservices, and enterprise relational database systems. Operating fully onsite in Toronto within an Agile delivery framework, you will lead full-lifecycle software engineering using Java, RESTful Web Services, PL/SQL, and relational databases. This position is tailored for a technical software authority who applies clean code practices, object-oriented design patterns, and secure communication protocols to deliver high-performance, maintainable software.

Location: Toronto, ON

Assignment Type: Onsite (5 days per week)

Contract Duration: 6-month contract (with potential for extension)

Advantages
Large-Scale Web Engineering: Design and deliver high-throughput, multi-client web applications and microservices architectures.

Core Java & Database Scope: Deep hands-on development using Java, RESTful APIs, Oracle, and SQL database ecosystems.

Modern Security & DevOps Integration: Implement secure integration patterns utilizing JWT, OAuth2.0, and Azure DevOps CI/CD pipelines.

Enterprise Architectural Impact: Apply object-oriented design patterns, refactoring techniques, and clean code principles across mission-critical systems.

Responsibilities
Translate complex technical system specifications into working, fully tested web applications across all SDLC phases.

Design, code, test, debug, and maintain enterprise Java applications, microservices, and RESTful Web Services.

Author detailed programming specifications, compile data-driven programs, and execute unit testing.

Design and manage relational database schemas, write complex SQL and PL/SQL queries, and optimize database performance.

Implement security gateways and protocols, including JWT, OAuth2.0, and SSL certificates, to protect system integrations.

Manage source code, work items, and build pipelines utilizing Azure DevOps within an Agile/Scrum delivery environment.

Troubleshoot and resolve complex technical software defects, performance bottlenecks, and system migration issues.

Conduct code walkthroughs and technical reviews to ensure adherence to software design patterns, clean code practices, and accessibility standards.

Collaborate with cross-functional project teams, including architects, business analysts, and QA leads, to align technical deliverables with business goals.

Author comprehensive technical runbooks, API documentation, deployment runbooks, and system support guides.

Qualifications
Core Technical & Software Engineering Requirements
Application Engineering Tenure: Minimum 10+ years of hands-on experience designing and developing large-scale, multi-client web applications.

Java & Database Mastery: Minimum 10+ years of hands-on Java development experience integrated with Oracle or SQL databases.

REST APIs & Microservices: Minimum 5+ years of hands-on experience designing, building, and consuming RESTful APIs, RESTful Web Services, and microservice architectures.

Design Patterns & Clean Code: Expert knowledge of Object-Oriented Programming (OOP), design patterns, code refactoring, and clean code principles.

DevOps & Security Protocols: Practical experience using Azure DevOps alongside knowledge of security protocols (JWT, OAuth2.0, SSL Certificates).

Agile SDLC: Strong practical experience delivering software within structured Agile delivery frameworks.

Preferred Technical Assets
Public Sector Development Standards: Knowledge of public sector development processes, standards, and Information Management principles.

Oracle Enterprise Tooling: Exposure to PL/SQL tuning, Oracle Application Development Framework (ADF), or enterprise software packages.

Accessibility Compliance: Familiarity with digital accessibility standards, including the Accessibility for Ontarians with Disabilities Act (AODA).

Soft Skills & Delivery Attributes
Analytical Problem Solving: Superior analytical and troubleshooting capabilities to resolve complex technical defects under aggressive timelines.

Communication & Collaboration: Excellent written and verbal communication skills with a demonstrated ability to work effectively within large, multidisciplinary teams.

Summary
If you're interested in the "Senior Software Developer" role based in Toronto, we encourage you to apply online at www.randstad.ca.
Only qualified candidates will be contacted for the next steps. We look forward to hearing 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, test and maintain enterprise Java applications, microservices and web services, and design database schemas and queries. The role also covers secure integrations, code reviews and technical documentation.

Requirements

Candidates need 10+ years of Java and web application development with Oracle or SQL databases, and 5+ years building REST APIs and microservices. Strong knowledge of design patterns, clean code, Azure DevOps, JWT, OAuth2.0 and Agile delivery is required.

Skills

Java
RESTful APIs
Microservices
PL/SQL
Oracle
SQL
Database design
Query optimization
Azure DevOps
JWT
OAuth2.0
SSL certificates
Agile
Scrum
Object-oriented programming
Design patterns
Code refactoring
Clean code
Unit testing
Debugging
Technical documentation
Oracle ADF
AODA accessibility standards
Code review

Keywords

Senior Software Developer
Java
RESTful Web Services
microservices
PL/SQL
Oracle
SQL
relational databases
Azure DevOps
JWT
OAuth2.0
SSL
Agile
Scrum
full-stack
back-end development
enterprise software
clean code
design patterns
AODA

Seniority

Senior

Tools

Java
Oracle
SQL
PL/SQL
Azure DevOps
Oracle ADF

Languages

English

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Work requirements

Jobs in Canada