Jobs in Canada

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Added 12 hours ago
Senior Spark Scala Developer – Java & Spring Boot
Astra North Infoteck Inc.
Toronto, ON
Spark Scala Developer – Apache Spark, Scala, Hadoop & Data Engineering
Added 12 hours ago
Senior Java Application Support Engineer – Java, Spring, SOAP, SSL/TLS & Production Support
Astra North Infoteck Inc.
Toronto, ON
Strong hands-on experience with Java 8 and Java 17.
Added 12 hours ago
Senior Java Microservices Developer – Java, Spring Boot, Kafka, MongoDB, OpenShift/AWS
Astra North Infoteck Inc.
Mississauga, ON
Must Have Technical/Functional Skills
Added 12 hours ago
Senior Java Backend Developer – Java, Distributed Systems, Agentic AI
Astra North Infoteck Inc.
Montréal, QC
Senior Java Backend Developer – Core Java, Distributed Systems, Agentic AI
Added 12 hours ago
Senior Software Engineer – Core Java, Apache Spark, Python, SQL, Data Processing
Astra North Infoteck Inc.
Montréal, QC
Senior Software Engineer – Core Java, Apache Spark, Python, Big Data, SQL
Added 12 hours ago
AN
Senior Java Developer – Spring Boot | TDD | CI/CD | AWS
Astra North Infoteck Inc.
Toronto, ON
- Contract
Senior Java Developer – Spring Boot, REST APIs, TDD & CI/CD
Added 12 hours ago
AN
Senior Java Developer – TDD, JUnit, CI/CD & Code Quality
Astra North Infoteck Inc.
Toronto, ON
- Contract
Apply core Java concepts - collections, concurrency and multithreading, generics, streams, exception handling, and JVM memory management - to build robust solutions.
Added 12 hours ago
AW
Architecte en sécurité cloud / Cloud Security Architect, Services Professionnels AWS / AWS professional services
Amazon Web Services Canada, Inc.
Toronto, ON · Vancouver, BC · Calgary, AB · Montréal, QC · Ottawa, ON
- Full-time
L'équipe AWS Professional Services (ProServe) recherche un architect en sécurité sénior pour rejoindre notre équipe au Québec. Dans ce rôle, vous travaillerez en étroite collaboration avec…
Added 12 hours ago
RC
Senior Cloud Development and Administration Specialist
Randstad Canada
Toronto, ON
- $63.85 to $70.51 CAD / hour
- Contract
We are seeking a highly accomplished Senior Cloud Development and Administration Specialist for an enterprise-level contract opportunity based in Toronto. In this role, you will take on a…
Added 12 hours ago
RC
QA Engineer - Selenium Cucumber ETL
Randstad Canada
Toronto, ON
- Contract
Hybrid Work Model: Enjoy a balanced schedule with 3 days per week onsite in downtown Toronto and 2 days working remotely · Work Arrangement: 3 days per week in-office / 2 days remote (7.5 hours per day)
Added 12 hours ago
RC
Senior Solution and Enterprise Architect - IAM
Randstad Canada
Montréal, QC
- Contract
Hybrid Flexibility: Enjoy a balanced working model with 3 days per week in a central downtown Montreal office location
Added 12 hours ago
RC
IT Analyst V - Technical Support
Randstad Canada
Toronto, ON
- $39.31 to $46.52 CAD / hour
- Contract
Assignment Type: Hybrid (2 days per week onsite)
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 Middleware Specialist
Randstad Canada
Toronto, ON
- Contract
We are seeking a highly accomplished Senior Middleware Specialist for an enterprise-level contract opportunity based in Toronto. In this role, you will take on a premier middleware…
Added 12 hours ago
RC
Senior Software Engineer- 1745
Randstad Canada
ON
- $47.76 to $54.64 CAD / hour
- Contract
We are seeking a highly motivated Senior Software Engineer for a contract opportunity based in North York / Toronto. In this role, you will provide critical cloud-native engineering and…
Added 12 hours ago
RC
Specialized IT Consultant - Senior
Randstad Canada
Toronto, ON
- Contract
We are seeking an experienced Specialized IT Consultant - Senior to lead the technical design, development, and integration of secure, scalable, microservices-based application components.…
Added 12 hours ago
RC
Application Engineer
Randstad Canada
Toronto, ON
- $63.85 to $74.06 CAD / hour
- Contract
Location: Toronto, ON (Hybrid – 4 days in office, potential for 3 days after 6 months)
Added 12 hours ago
RC
Sr. Developer
Randstad Canada
Toronto, ON
- $66.33 to $76.29 CAD / hour
- Contract
We are seeking a Senior Guidewire ClaimCenter Developer to join a dynamic digital transformation team. In this role, you will design, develop, configure, integrate, test, and support…
Added 12 hours ago
RQ11658 - Software Developer - Senior
Flexstaf IT
Toronto, ON
Must have these technical skills:
Added 12 hours ago
RC
Senior Java Software Developer
Randstad Canada
Toronto, ON
- Contract
Our Toronto based client is looking for a Senior Software Developer – Java Kafka GCP to join their growing team.
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
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 Developer
Randstad Canada
Toronto, ON
- Contract
Assignment Type: Onsite (5 days per week)

Randstad Canada

Specialized IT Consultant - Senior

Toronto, ON, Canada

Contract

Apply on randstad.ca About employer

Applications open in a new tab.

Job details

Job type: Contract
Apply by: Dec 7, 2026
Posting language: English
Posted: Sep 8, 2026

Original job description

We are seeking an experienced Specialized IT Consultant - Senior to lead the technical design, development, and integration of secure, scalable, microservices-based application components. In this role, you will be responsible for building high-performance RESTful APIs, implementing event-driven message architectures, and orchestrating containerized deployments within cloud environments. Working closely with cross-functional technical teams and system architects, you will ensure seamless integration between modern cloud services and legacy core environments, while enforcing robust identity controls and web security standards.

Location: Toronto, ON (Fully Onsite – 5 days/week required)

Duration: 6-month contract

Advantages
Modern Java Ecosystem: Direct hands-on development using modern Java, Spring Boot, and cloud-native microservice architectures.

Complex Enterprise Integration: Bridge modern cloud-native systems with enterprise legacy and mainframe backends using advanced Spring Integration patterns.

Event-Driven Cloud Infrastructure: Gain high-value experience building event-driven systems with Azure Service Bus and Azure Event Hub.

Dedicated Onsite Collaboration: Work alongside senior engineering peers and solution architects in a structured, 5-day onsite workspace.

Responsibilities
API Design & Microservices Engineering: Architect, build, and maintain clean, scalable, and secure RESTful APIs and decoupled microservices using Java and Spring Boot.

Enterprise Integration & Legacy Middleware: Implement complex integration patterns using Spring Integration to route, transform, and connect cloud microservices with core legacy and mainframe systems.

Event-Driven Architecture & Messaging: Design and manage event-driven messaging solutions utilizing Azure Service Bus, Azure Event Hub, AMQP, and JMS protocols.

Security & Authentication Governance: Implement enterprise security frameworks and protocols, including OAuth2, OpenID Connect, SAML 2.0, JWT, and OWASP security guidelines.

Containerization & Orchestration: Package, deploy, and manage containerized microservices across cloud platforms such as Azure, OpenShift, Docker, and Kubernetes.

Database Optimization & Automated Testing: Design relational database schemas (SQL Server, Oracle) and write comprehensive automated unit and integration test suites using JUnit, Mockito, or Test Containers.

Performance Tuning & Operational Visibility: Profile, monitor, and optimize API throughput and response times while integrating logging frameworks (Prometheus, Grafana, ELK Stack).

Technical Documentation & Mentorship: Author API specs, deployment guides, and system runbooks while conducting peer code reviews and mentoring junior engineering personnel.

Qualifications
REST API & Spring Boot Mastery: Extensive, hands-on experience in REST API design, documentation, testing, and microservices development using Java and Spring Boot (Strictly Required).

Integration Patterns & Mainframe Connectivity: In-depth knowledge of integration patterns using Spring Integration, including experience integrating with legacy mainframe or IMS systems (Strictly Required).

Messaging & Event-Driven Architecture: Proven experience with message-oriented middleware, event-driven architectures, and messaging platforms such as Azure Service Bus (Strictly Required).

Containerized Environments: Hands-on experience building and deploying applications within containerized ecosystems (Azure, OpenShift, Docker, Kubernetes) (Strictly Required).

Web Security Frameworks: Deep practical experience implementing web security standards, including OAuth, OpenID, SAML 2.0, and encryption practices (Strictly Required).

Nice-to-Have Assets:
Familiarity with container orchestration management using Helm charts.

Experience with XML transformations (XSLT, XPath) in enterprise integration contexts.

Summary
If you're interested in the "Specialized IT Consultant - Senior" 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 Specialized IT Consultant at Randstad Canada will design and build RESTful APIs and microservices, connect cloud systems with legacy and mainframe backends, and set up event-driven messaging and containerized deployments. The role also covers security controls, database design, testing and mentoring junior engineers.

Requirements

Candidates need extensive hands-on experience with REST APIs and Spring Boot, Spring Integration with mainframe or IMS systems, Azure Service Bus messaging, containerized environments such as Docker, Kubernetes and OpenShift, and web security standards like OAuth, OpenID and SAML 2.0.

Skills

Java
Spring Boot
Spring Integration
REST API design
Microservices
Azure Service Bus
Azure Event Hub
AMQP
JMS
OAuth2
OpenID Connect
SAML 2.0
JWT
OWASP
Docker
Kubernetes
OpenShift
Azure
Helm
SQL Server
Oracle
JUnit
Mockito
Test Containers
Prometheus

Keywords

Java
Spring Boot
Spring Integration
REST API
microservices
Azure Service Bus
Azure Event Hub
event-driven architecture
Docker
Kubernetes
OpenShift
Helm
mainframe
IMS
OAuth2
OpenID Connect
SAML 2.0
JWT
SQL Server
Oracle

Seniority

Senior

Tools

Spring Boot
Spring Integration
Azure Service Bus
Azure Event Hub
Docker
Kubernetes
OpenShift
Helm
SQL Server
Oracle

Languages

English

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Work requirements

Jobs in Canada