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Added 1 day ago
RQ09964/RQ09965 - Sr. Software Developer - API
Source Code
Toronto, ON
A senior API Software Developer with 8+ years of experience will be responsible for creating and using APIs to translate functional specifications into working and tested applications. This…
Added 1 day ago
RQ10036 - Specialized IT Consultant - Senior (APIs)
Source Code
Toronto, ON
Clean, scalable, and secure REST APIs built using Java and Spring Boot, adhering to best practices and company standards.
Added 1 day ago
RQ10248 - Sr. Software Developer (Java, JavaScript)
Source Code
Toronto, ON
must have used Java EE frameworks extensively (Java, EJB, JPA, JSP,Servlets, JDBS, JNDI, etc.)
Added 1 day ago
RQ10808 - 3 x Sr. Software Developer
Source Code
Toronto, ON
10+ years of enterprise Java / Java EE development for large, complex, multi-tier and microservices-based systems
Added 1 day ago
SC
RQ00638 - Sr. Software Developer - Full Stack
Source Code
Toronto, ON
- $76.97 to $115.45 CAD / hour
3 days onsite/2 days remote - Metro Hall, 55 John Street (Three days per week in-office schedule
Added 1 day ago
SC
RQ11123 - 2 x Sr. Software Developer - Full Stack
Source Code
Toronto, ON
- $72.14 to $108.22 CAD / hour
Microservices and container-based platform development, delivery, and testing
Added 1 day ago
SC
RQ11124 - Sr. Software Developer - Full Stack
Source Code
Toronto, ON
- $72.14 to $108.22 CAD / hour
Microservices and container-based platform development, delivery, and testing
Added 1 day ago
SC
RQ10786 - Sr. Project Manager/Leader
Source Code
Toronto, ON
- $77.32 to $115.98 CAD / hour
…and/or cloud-based micro-services and solutions using full stack Java-based, and/or Microsoft .Net…
Added 1 day ago
SC
RQ10475 - Sr. Software Developer
Source Code
Toronto, ON
- $59.48 to $89.21 CAD / hour
A senior programmer developer is required to support two Permissions Enterprise Platform (PEP) projects to meet the requirements related to permit modernization and integration with the…
Added 1 day ago
SC
RQ11189 - 2 x Sr. Software Developer - Full Stack
Source Code
Toronto, ON
- $72.14 to $108.21 CAD / hour
Must Have Skills:
Added 1 day ago
TT
Senior Fullstack Java Developer
Tech Talent International
Montréal, QC
- $90 to $105 CAD / hour
We currently have a role as a Senior Fullstack Java Developer with our large consulting client for a major banking services client in the downtown Montreal area. This role can either be a…
Added 1 day ago
P
Senior Full Stack Developer
Procom
Mississauga, ON
- $96,000 to $120,000 CAD / year
- Full-time
On behalf of our IT client, Procom is searching for a Senior Full Stack Developer for a permanent role. This position is a hybrid position with 2 days onsite at our client’s Mississauga…
Added 1 day ago
Senior ISAM Developer - Webseal, Java , Cloud
Astra North Infoteck Inc.
Toronto, ON
Solid Java development experience, preferably with:
Added 1 day ago
Senior API Architect – API Strategy, Security, Governance & Integration
Astra North Infoteck Inc.
Toronto, ON
Work Arrangement: Hybrid – Minimum 3 Days per Week in Office
Added 1 day ago
Senior Solution Architect – API Integration, Appian, OnBase & Enterprise Systems
Astra North Infoteck Inc.
Toronto, ON
Senior Solution Architect – API Integration, Appian, OnBase & Enterprise Systems
Added 1 day ago
Senior Java Microservices Developer – Java, Spring Boot, Kafka, MongoDB, OpenShift/AWS
Astra North Infoteck Inc.
Mississauga, ON
Must Have Technical/Functional Skills
Added 1 day 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 1 day 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 1 day ago
AN
Senior Java & Python Developer
Astra North Infoteck Inc.
Toronto, ON
- Contract
Senior Java & Python Developer – Spring Boot, Microservices & Cards/Payments
Added 1 day ago
AN
Java Full Stack Developer.
Astra North Infoteck Inc.
Montréal, QC
- Contract
Seeking a Senior Java Full Stack Developer with strong experience in Java, Spring Boot, Angular, microservices, REST APIs, and cloud-native technologies.
Added 1 day ago
AN
Backend Developer – TypeScript/Node.js, NestJS & Kafka
Astra North Infoteck Inc.
Toronto, ON
- Contract
We are hiring a senior engineer to help deliver the AVA Modernization program| moving a legacy platform to a cloud-native architecture using NX monorepo| NestJS services| event-driven…
Added 1 day ago
AN
Senior Quality Engineer – Test Automation, AI Testing & Java/Python
Astra North Infoteck Inc.
Toronto, ON
- Contract
Quality Engineer – Test Automation, Java/Python & GenAI
Added 1 day 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 1 day ago
AN
Senior Java Developer – TDD, JUnit, CI/CD & Code Quality
Astra North Infoteck Inc.
Toronto, ON
- Contract
Design, develop, and maintain high-quality, maintainable Java applications using clean code principles and established design patterns.
Added 1 day ago
AW
Senior Consultant - Modernization, Public Sector
Amazon Web Services Canada, Inc.
Ottawa, ON · Montréal, QC · Vancouver, BC
- Full-time
…with deep expertise in multiple programming languages (e.g. Java, Python, C++, JavaScript, Microservices) and Generative AI…

Closed listing

Source Code

RQ00763 - Middleware Specialist - Senior

Toronto, ON, Canada

$69.06 to $103.59 CAD / hour · Full-time

This opening has closed.

The original listing is kept below for reference.

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About employer

Job details

Pay: $69.06 to $103.59 CAD / hour
Job type: Full-time
Closing date: Nov 13, 2026
Work location: Location: 3 Days in Office at 525 University Avenue
Posting language: English
Posted: Aug 21, 2026

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Original job description

Archived listing. The details below describe a past opening.

RQ00763 - Middleware Specialist - Senior

Location: 3 Days in Office at 525 University Avenue

Duration: 1 Year (252 Business Days)

Must Haves:

7–10+ years of progressive, hands‑on experience in middleware engineering, integration services, or related technical domains, with a demonstrated ability to lead complex platform upgrades and modernization initiatives.
Proven experience supporting and sustaining large‑scale, mission‑critical application environments across diverse technology stacks, preferably within highly regulated sectors such as healthcare or public service.
Hands‑on expertise in the following technology stack: IBM DataPower (migrating from physical appliance to OpenShift Container Platform), and IBM App Connect Enterprise, Java Spring Boot microservices.
Hands-on experience with AWS cloud services and CI/CD pipeline development for deploying, automating, and managing containerized middleware solutions, including IBM DataPower, on OpenShift or cloud-native platforms.

Responsibilities:

The Senior Middleware Specialist is accountable for the end‑to‑end implementation of the HIAL technology upgrade and migration to AWS project. This includes hands‑on technical execution, development of CI/CD pipelines for the deployment of IBM DataPower and other components to OpenShift Container Platform, coordination across multiple support teams, guiding QA and validation activities, and ensuring all components are delivered successfully with minimal impact to mission‑critical health services.

Perform all technical activities required for the HIAL technology upgrade and migration to AWS, including system preparation, deployment, configuration, optimization, and validation across all the Agency environments.
Provide expert‑level troubleshooting to resolve complex middleware, integration, and infrastructure challenges that arise during the upgrade lifecycle.
Develop and maintain detailed implementation plans, technical procedures, runbooks, and operational guides for execution by cross‑functional support teams.
Identify risks and issues early, propose mitigation strategies, and communicate impacts to project stakeholders.
Collaborate with Architecture, Security, Privacy, and Infrastructure teams to ensure all upgrade activities meet enterprise standards and compliance requirements.
Coordinate with Infrastructure, UNIX, Network, Middleware Support, Backup & Storage, and QA teams to ensure all upgrade activities are executed efficiently and consistently.
Support QA testing by preparing environments, resolving defects, and validating readiness for deployment.
Ensure full adherence to the Agency change and release management processes throughout all upgrade stages.
Prepare and maintain project documentation, status reports, and readiness checklists to support go‑live and operational transition.

Required Skills:

7–10+ years of progressive, hands‑on experience in middleware engineering, integration services, or related technical domains, with a demonstrated ability to lead complex platform upgrades and modernization initiatives.
Proven experience supporting and sustaining large‑scale, mission‑critical application environments across diverse technology stacks, preferably within highly regulated sectors such as healthcare or public service.
Hands‑on expertise in the following technology stack: IBM DataPower (migrating from physical appliance to OpenShift Container Platform), and IBM App Connect Enterprise, Java Spring Boot microservices.
Hands-on experience with AWS cloud services and CI/CD pipeline development for deploying, automating, and managing containerized middleware solutions, including IBM DataPower, on OpenShift or cloud-native platforms.
In‑depth knowledge of PKI security infrastructure, digital certificates, TLS configurations, encryption standards, and enterprise network architecture, with proven troubleshooting expertise in secure system‑to‑system communication.

Desired Skills:

Solid experience with system administration and networking, including Windows Server and Linux environments, IP networking, routing, and firewall concepts, with the ability to diagnose and resolve infrastructure‑level issues.
Familiarity with healthcare integration standards such as HL7v3 (asset), with additional exposure to related formats like HL7v2, FHIR, or SOAP‑based healthcare messaging considered an advantage.
Strong understanding of Information Management principles, including data governance, information lifecycle management, security policies, and compliance practices.
Working knowledge of quality assurance practices, including test planning, defect management, risk assessment, and validation of middleware or integration components.
Experience with system monitoring, performance tuning, capacity planning, and ensuring data integrity, following ITIL processes for incident, problem, and change management.
Ability to collaborate effectively with cross‑functional teams, providing leadership, technical guidance, and subject‑matter expertise in middleware technologies and integration patterns.

Required Experience:

Technical Depth in Middleware & Integration Stack (IBM DataPower, OpenShift Containers, RHEL). Hands on ownership of upgrades, migrations, performance tuning, HA/DR patterns, TLS/mTLS, cert management, and message durability/persistence.
Demonstrated hands-on experience designing, developing, and supporting CI/CD pipelines and automated deployment processes for containerized middleware solutions such as IBM DataPower on OpenShift platforms or AWS
Troubleshooting, Monitoring & Operational Excellence (ITIL) Diagnostics, RCA, observability (logs/metrics), incident/problem management, and production stability.
QA, Testing Readiness & Validation. Ability to support test planning, environment setup, non functional testing, and defect triage.
Architecture, Security, and Compliance Alignment. Understanding of enterprise security, PKI, privacy requirements, hardening standards, and architectural alignment.
Documentation, Technical Artifacts & Knowledge Transfer, Ability to produce high‑quality build books, operational guides, scripts, and support artifacts.
Cross‑Functional Leadership & Communication Ability to coordinate with Architecture, Security, Network, Unix, QA, and business partners; clarity in communicating risks and technical concepts.
Healthcare / Mission‑Critical Domain Understanding, Awareness of HL7v3, regulated environments, PHI handling, and 24×7 availability constraints.

Deliverables:

Execute the end-to-end HIAL technology upgrade and migration to AWS with minimal disruption to mission critical provincial health services, including:
- Migration of IBM DataPower from physical form factor to container
- Upgrade of operating system, such as, Red Hat Enterprise Linux (RHEL)
- Upgrade of HIAL Integration Bus (HIB) containerized applications
- Redesign and implementation of Full Message Body Logging (FMBL) components and servers
Perform hands on upgrade and deployment activities across all the Agency environments, including Development, QA, PST, PPE, and Production, ensuring consistency, stability, and alignment with enterprise standards.
Coordination across cross functional support teams, including Cloud Operation team, Virtual Infrastructure & UNIX teams, Middleware Support, Network Services, Backup & Storage, and Quality Assurance, to ensure efficient planning, execution, and validation of all upgrade activities.
Ensure strict adherence to the Agency change management and release management processes, including preparation and submission of required documentation, scheduling, approvals, and communication for environment promotions.
Update, maintain, and obtain approval for all required project and operational artifacts, including (but not limited to):
- Operational guides
- Build books
- Implementation and rollout plans
- Health check procedures
- Runbooks and support documentation

AI Disclaimer: Source Code may use artificial intelligence (AI) tools to assist in certain aspects of its recruiting and business operations.

Note: The higher end of the range is intended for absolutely exceptional candidates who meet all must-have requirements and most or all nice-to-have qualifications. The client will evaluate candidates based on both rate expectations and overall skill set when shortlisting.

INCORPORATED RATE RANGE (7.25 billable hours per day)

$86.32/hr - $103.59/hr Inc.

T4 RATE RANGE (7.25 billable hours per day)

$69.06/hr - $82.87/hr T4

About employer

More about this job

Responsibilities

The Senior Middleware Specialist at Source Code will carry out the upgrade and migration of mission-critical health integration systems to AWS, build CI/CD pipelines for containerized middleware, troubleshoot complex integration issues, and coordinate with infrastructure, network, and QA teams. The role also maintains runbooks, build books, and change documentation.

Requirements

Candidates need 7 to 10+ years of hands-on middleware and integration experience, including leading platform upgrades. They must know IBM DataPower, IBM App Connect Enterprise, Java Spring Boot, AWS, OpenShift and CI/CD, and have PKI, TLS and certificate expertise, ideally in healthcare or public sector environments.

Skills

IBM DataPower
IBM App Connect Enterprise
Java
Spring Boot
OpenShift
AWS
CI/CD pipelines
Docker
Kubernetes
Red Hat Enterprise Linux
Linux
Windows Server
PKI
TLS/mTLS
Digital certificates
Encryption
Networking
Firewalls
Routing
HL7v3
HL7v2
FHIR
SOAP
ITIL
Change management

Keywords

Middleware Specialist
Middleware Engineer
Integration Engineer
IBM DataPower
IBM App Connect Enterprise
App Connect
Java Spring Boot
Spring Boot microservices
OpenShift Container Platform
OpenShift
AWS
CI/CD
Kubernetes
Containers
RHEL
Red Hat Enterprise Linux
PKI
TLS
mTLS
HL7v3

Seniority

Senior

Tools

IBM DataPower
IBM App Connect Enterprise
OpenShift
AWS
Red Hat Enterprise Linux
Java Spring Boot

Languages

English

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Jobs in Canada