Jobs in Canada

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Added 11 hours ago
AT
Vulnerability Researcher - Global (All Levels)
AMT Trend Micro Incorporated (USA)
Canada
- Full-time
TrendAI™, the global AI security leader and enterprise business unit of Trend Micro, empowers organizations with full AI visibility and consolidated security that inspires confidence,…
Added 11 hours ago
U
Software Developer - Full Stack (Senior)
Upstaff
Toronto, ON
- Full-time
The client is seeking a Senior Full Stack Software Developer to provide production maintenance, application support, enhancements and development for the Ontario Agricultural Soil…
Added 11 hours ago
Software Developer - Full Stack (Java)- Senior - 4 months contract
Dimensional Tech Inc.
Toronto, ON
7+ years of full-stack Java development knowledge and experience designing and delivering solutions
Added 11 hours ago
RC
Senior Systems Testing/QA Specialist
Randstad Canada
Toronto, ON
- Contract
We are seeking an experienced Senior Systems Testing/QA Specialist to lead the design, planning, and execution of comprehensive quality assurance initiatives for cloud-based enterprise web…
Added 11 hours ago
RC
Senior Software Developer - Full Stack
Randstad Canada
Toronto, ON
- Contract
We are seeking an experienced Senior Software Developer - Full Stack to lead the maintenance, enhancement, and production support of a cloud-hosted enterprise web application and its…
Added 11 hours ago
I
Senior Quality Assurance Analyst
Intelerad
Montréal, QC
- $78,750 to $105,000 CAD / year
- Full-time
- Hybrid
…validation of functionality, performance, and reliability across the full software…
Added 11 hours ago
B
Specialized IT Consultant - Senior
Bevertec
Toronto, ON
- $90 to $100 CAD / hour
We are seeking a Senior Java Full Stack Developer to support the development of a secure, bilingual notification platform for Justice Technology Services. The MAG Notify App will provide…
Added 11 hours ago
RC
Senior Technology Architect
Randstad Canada
Toronto, ON
- Contract
Assignment Type: Onsite (5 days per week)
Added 11 hours ago
AN
Senior Full Stack Engineer - React/TypeScript, Node.js, Java back-end, AKS
Astra North Infoteck Inc.
Toronto, ON
- Contract
Senior Full Stack Engineer – React/TypeScript, Node.js, Java Back-End, AKS
Added 11 hours ago
RC
Senior Specialized IT Consultant
Randstad Canada
Toronto, ON
- Contract
We are seeking an experienced Senior Specialized IT Consultant to lead the full-stack design, development, and integration of secure, enterprise web applications and notification platforms.…
Added 11 hours ago
RC
Senior Software Developer - Full Stack
Randstad Canada
Toronto, ON
- Contract
Assignment Type: Onsite (5 days per week)
Added 11 hours ago
RC
Senior Software Developer
Randstad Canada
Toronto, ON
- Contract
Assignment Type: Onsite (5 days per week)
Added 11 hours ago
IE
Senior and Staff Software Engineers
Index Exchange
Kitchener, ON · Toronto, ON
- Full-time
- Hybrid
We’re looking for Senior- and Staff-level software engineers to join teams across multiple divisions in Toronto and Kitchener. These are product and platform engineering teams with openings…
Added 11 hours ago
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Senior Java Software Engineer, Spring Boot and SQL Server
Procom
Waterloo, ON
- $48 to $60 CAD / hour
- Contract
As a Senior Java Software Engineer, you will join a team focused on building high-volume services that meet real customer needs. This role involves engaging across the full software…
Added 11 hours ago
P
Senior Java Software Engineer (Spring Boot, SQL Server)
Procom
Waterloo, ON
- $48 to $60 CAD / hour
- Contract
Waterloo, ON, Hybrid, 4 days per week onsite.
Added 11 hours ago
RC
Full-Stack Software Engineer
Randstad Canada
Waterloo, ON
- $76.2 to $83.12 CAD / hour
- Contract
Our Client is seeking a Senior Full-Stack Software Engineer (8+ years of experience) to design, develop, test, and maintain high-volume enterprise applications. Operating under a Hybrid…
Added 11 hours ago
Senior Technical Solutions Manager, Billing, Google Cloud
Google
Waterloo, ON
…developed for security, reliability and scalability, running the full stack from infrastructure to applications to devices and hardware. Our teams are dedicated to helping our customers -…
Added 11 hours ago
RC
Senior Software Developer
Randstad Canada
Toronto, ON
- Contract
Assignment Type: Onsite (5 days per week)
Added 11 hours ago
M
Senior Java Full Stack Developer
Miratech
Riverdale, AB
- Full-time
- Hybrid
Working Model: This is a hybrid role requiring 2 days per week in a downtown Toronto office
Added 11 hours ago
M
Senior Java Full Stack Developer
Miratech
Canada
- Full-time
- Hybrid
Working Model: This is a hybrid role requiring 2 days per week in a downtown Toronto office
Added 11 hours ago
M
Senior Java Developer (with LLM expertise)
Miratech
Mississauga, ON
- Full-time
- Hybrid
Working Model: This is a hybrid role requiring 2 days per week in a downtown Toronto office
Added 11 hours ago
M
Senior Java Developer (with LLM expertise)
Miratech
Markham, ON
- Full-time
- Hybrid
Working Model: This is a hybrid role requiring 2 days per week in a downtown Toronto office
Added 11 hours ago
M
Senior Java Developer (with LLM expertise)
Miratech
Vaughan, ON
- Full-time
- Hybrid
Working Model: This is a hybrid role requiring 2 days per week in a downtown Toronto office
Added 11 hours ago
M
Senior Java Developer (with LLM expertise)
Miratech
Brampton, ON
- Full-time
- Hybrid
Working Model: This is a hybrid role requiring 2 days per week in a downtown Toronto office
Added 11 hours ago
M
Senior Java Developer (with LLM expertise)
Miratech
Richmond Hill, ON
- Full-time
- Hybrid
Working Model: This is a hybrid role requiring 2 days per week in a downtown Toronto office

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: Jan 3, 2027
Experience: Enterprise Development Tenure: Minimum 10+ years of hands-on professional experience developing scalable, n-tier enterprise software applications.
Posting language: English
Posted: Nov 5, 2026

Original job description

We are seeking a highly accomplished Senior Software Developer for an enterprise contract opportunity based in Toronto. In this role, you will take on a premier full-stack software engineering, application architecture, and technical delivery capacity, specializing in the design, development, and enhancement of scalable, multi-tier enterprise solutions.

As a Senior Software Developer, you will bridge the gap between business requirements, complex backend architectures, responsive modern frontends, and relational/NoSQL data platforms. Operating fully onsite in Toronto, you will lead the implementation of secure RESTful APIs and microservices using Java and Spring Boot, build user-friendly and accessible user interfaces using React and Angular, and design high-performance database schemas across PostgreSQL, PL/pgSQL, and Azure Cosmos DB. This position demands a seasoned development authority with extensive full-lifecycle software delivery tenure, robust automated testing and CI/CD capabilities, and a commitment to delivering resilient, high-quality enterprise applications.

Location: Toronto, ON

Assignment Type: Onsite (5 days per week)

Contract Duration: 10-month contract (with potential for extension)

Advantages
Modern Full-Stack Stack: Hands-on development across Spring Boot, Java, React, TypeScript, and modern JavaScript frameworks.

Diverse Data Ecosystem: Architect enterprise data solutions using PostgreSQL, PL/pgSQL, Azure Cosmos DB, and Redis caching.

Cloud & Microservices Scope: Build and deploy scalable microservices leveraging Microsoft Azure services and modern API patterns.

Comprehensive Quality Engineering: Lead automated testing frameworks across JUnit 5, Mockito, Jest, and Playwright within CI/CD pipelines.

Responsibilities
Translate business requirements and technical systems specifications into scalable, secure, and fully tested enterprise applications.

Develop detailed technical designs, architecture patterns, and programming specifications for n-tier application frameworks.

Design, build, and maintain robust backend microservices, RESTful APIs, and batch processes utilizing Spring Boot and the broader Spring Framework.

Design and implement modern, responsive, and accessible UI components and web applications utilizing React, Angular, TypeScript, and modern JavaScript.

Architect and optimize database structures, normalization models, indexing strategies, stored procedures, and functions in PostgreSQL, PL/pgSQL, and Azure Cosmos DB.

Implement data persistence layers and object-relational mapping utilizing JPA, Hibernate, or MyBatis.

Integrate caching solutions and middleware adapters using tools such as Redis to maximize backend throughput and minimize latency.

Build, maintain, and execute automated test suites spanning unit, integration, API, and end-to-end testing utilizing JUnit 5, Mockito, Jest, and Playwright.

Troubleshoot, debug, and resolve complex application errors, performance bottlenecks, and integration defects across development, test, and production environments.

Support application deployments, data conversions, migrations, and system integration testing in close collaboration with infrastructure and DevOps teams.

Ensure all application interfaces comply with corporate security standards, performance benchmarks, and accessibility regulations (AODA/WCAG).

Participate actively in Agile sprint ceremonies, technical design walkthroughs, backlog refinements, and peer code reviews.

Qualifications
Core Technical & Application Development Requirements
Enterprise Development Tenure: Minimum 10+ years of hands-on professional experience developing scalable, n-tier enterprise software applications.

Backend Architecture (Java / Spring): Deep expertise in application design and microservices architecture using Java, Spring Boot, and the Spring ecosystem (Core, MVC, Security, Data, Batch).

Modern Frontend Frameworks: Demonstrated proficiency building component-based, responsive web applications using JavaScript/TypeScript alongside React or Angular.

Database & ORM Mastery: Strong expertise in database design, SQL development, and query tuning with PostgreSQL, PL/pgSQL, and Azure Cosmos DB, alongside hands-on experience with ORM frameworks (JPA, Hibernate, MyBatis).

Application Design Patterns: Proven expertise in modern design patterns (MVC, integration patterns, caching strategies), application performance optimization, and troubleshooting.

Test Automation & Quality Engineering: Strong experience in automated testing across the test pyramid, including JUnit 5, Mockito, Jest, and modern end-to-end testing frameworks (Playwright, Katalon).

Requirements Elicitation: Proven experience gathering, analyzing, and documenting technical and functional requirements from business stakeholders and subject matter experts.

Preferred Technical Assets & Methodologies
Cloud Platforms: Hands-on experience deploying and supporting cloud-native applications on Microsoft Azure (Azure App Services, Azure Functions, Azure Storage, and Azure Database for PostgreSQL).

Accessibility Standards: Knowledge and practical understanding of the Accessibility for Ontarians with Disabilities Act (AODA) and WCAG compliance standards.

Agile Delivery: Solid track record working within structured Agile/Scrum delivery environments with CI/CD integration.

Enterprise Integration: Experience with API gateways, messaging queues, or enterprise service integration platforms.

Soft Skills & Delivery Attributes
Analytical Problem Solving: Superior diagnostic and analytical capabilities to troubleshoot complex multi-tier application failures and performance bottlenecks.

Communication & Collaboration: Excellent written and verbal communication skills with the ability to lead technical discussions, document system specifications, and engage cross-functional stakeholders.

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 translate business requirements into scalable, tested enterprise applications, design and build microservices and REST APIs, and develop responsive user interfaces. The role also covers database design, automated testing, troubleshooting, and deployment support.

Requirements

Candidates need 10+ years of enterprise software development experience, deep expertise in Java, Spring Boot and the Spring ecosystem, and proficiency with React or Angular and TypeScript. Strong database skills in PostgreSQL and Azure Cosmos DB, automated testing experience, and familiarity with AODA/WCAG and Agile delivery are also required.

Skills

Java
Spring Boot
Spring Framework
Spring MVC
Spring Security
Spring Data
Spring Batch
RESTful APIs
Microservices architecture
React
Angular
TypeScript
JavaScript
PostgreSQL
PL/pgSQL
Azure Cosmos DB
SQL query tuning
Database design
JPA
Hibernate
MyBatis
Redis
JUnit 5
Mockito
Jest

Keywords

Senior Software Developer
Java
Spring Boot
Spring Framework
React
Angular
TypeScript
JavaScript
PostgreSQL
PL/pgSQL
Azure Cosmos DB
Redis
JPA
Hibernate
MyBatis
JUnit 5
Mockito
Jest
Playwright
Katalon

Seniority

Senior

Tools

Java
Spring Boot
React
Angular
TypeScript
PostgreSQL
Azure Cosmos DB
Redis
JUnit 5
Mockito

Languages

English

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Work requirements

Jobs in Canada