Jobs in Canada

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Added 12 days ago
C
ERP UI/UX Fiori Developer
Capgemini
Vancouver, BC
- Full-time
Ensure application designs meet enterprise security, authentication, authorization, and compliance standards.
Added 12 days ago
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Senior Mobile Solutions Lead
Cognizant
Toronto, ON
- $60,000 to $95,000 CAD / year
- Full-time
Strong understanding of software architecture, application security, testing methodologies, and development best practices.
Added 12 days ago
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Project manager
Bombardier
Dorval, QC
- Full-time
Vous détenez un diplôme universitaire ou collégial en génie industriel, génie mécanique, génie civil, architecture ou dans un domaine connexe.
Added 12 days ago
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Staff Software Engineer - Full-Stack, Solution Architecture
Blazesoft
Concord, ON
- Full-time
Architecture at scale. Proven design and operation of highly-available, high-throughput systems.
Added 12 days ago
MD
Artificial Intelligence (AI) Support Developer - Information Technology Spec 3
Minnesota Direct Care and Treatment
Saint-Paul, NB · St.-Paul, NB
- Full-time
Work Shift/Work Hours: Day Shift / 8:00 AM - 4:30 PM
Added 12 days ago
MD
Lead IT Auditor - State Prog Admin Coordinator
Minnesota Direct Care and Treatment
Saint-Paul, NB · St.-Paul, NB
- Full-time
Work Shift/Work Hours: Day Shift / 8:00 AM - 4:30 PM
Added 12 days ago
CO
Manager, Digital Solutions
City of Saint John
Saint John, NB
- Full-time
Must have a valid Class 5 Driver’s License
Added 12 days ago
CO
Application & Integration Technical Analyst
City of Saint John
Saint John, NB
- Full-time
Must have Class 5 driver’s license
Added 12 days ago
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Coordinator, Construction Services (Major Capital Infrastructure)
Defence Construction Canada
Comox, BC
- Full-time
Typically to be eligible for a "Reliability" clearance, you must have five years of verifiable
Added 12 days ago
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Développeur(euse) logiciel Back-End / DevOps
Mirego
Montreal, QC · Quebec, QC
- Full-time
Tu maîtrises en profondeur les concepts fondamentaux de développement et d'architecture logicielle, forgée au fil d'une expérience significative.
Added 12 days ago
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Cybersecurity Architect
Manulife
Toronto, ON
- Full-time
Review solution architectures, provide security guidance, and help architects and engineering teams align solutions with established security standards and architecture principles.
Added 12 days ago
AS
Full Stack Designer /Developer
Apex Systems
Toronto, ON
- $55 to $80 CAD / hour
- Contract
…solutions. This individual will work closely with product, architecture, QA, DevOps, and business stakeholders to deliver modern digital solutions that are reliable, maintainable, and…
Added 12 days ago
C
Java Azure Developer (Supply Chain Applications)
Cognizant
Mississauga, ON
- $57,600 to $105,000 CAD / year
- Full-time
Design, develop, and maintain enterprise applications using Java, J2EE, Spring Framework, and Microservices architecture.
Added 12 days ago
EI
Software Engineer
Ecolab Inc.
Calgary, AB
- Full-time
Contribute to system architecture and clearly explain design decisions, alternatives, and trade-offs.
Added 12 days ago
Senior /Staff Product Manager
Tigera
Vancouver, BC
Tigera - the pioneer behind Calico and Lynx - is defining the future of AI agent security, workload governance, and cloud-native networking. As autonomous AI agents, LLM frameworks, and…
Added 12 days ago
Senior OT Control Systems - Engineering Specialist
Mariner
Saint John, NB
…will be responsible for the design, support, optimization, and security of Operational Technology (OT) and industrial automation systems that enable safe and reliable operations. The…
Added 12 days ago
Solutions Architect - Onsite
Mariner
Halifax, NS
…enterprise architects to define solution strategies, create architecture designs, and guide implementation across a diverse technology…
Added 12 days ago
JI
Engineer, Mechanical
J.D. Irving, Limited
Dartmouth, NS
- Full-time
…Canadian Controlled Goods Program (CGP), Canadian Government Security clearance, and U.S. International Traffic in Arms Regulations…
Added 12 days ago
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Senior SAP Programmer Analyst TRBK
ATB
Remote, Canada
- Full-time
- Remote
Proficient in application maintenance and monitoring, including troubleshooting, performance tuning, and ensuring security standards.
Added 12 days ago
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FY27 Intern - Camera Systems Internship - Canada (16 months)
Qualcomm
Vancouver, BC
- Full-time
Perform architecture, algorithm, and feature decomposition to translate system requirements and specifications into firmware designs and implementations.
Added 12 days ago
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Software Developer
Lotus IT Solutions
Toronto, ON
- Contract
This is a fully onsite role based at 222 Jarvis St., Toronto, Ontario, five days per week
Added 12 days ago
LI
Software Developer - API
Lotus IT Solutions
Toronto, ON
- Contract
This is a fully onsite role based at 222 Jarvis St., Toronto, Ontario, five days per week
Added 12 days ago
LI
Middleware Specialist
Lotus IT Solutions
Toronto, ON
- Contract
This is a fully onsite role, 5 days per week, located at 222 Jarvis St., Toronto
Added 12 days ago
LI
Software Developer - Back End
Lotus IT Solutions
Toronto, ON
- Contract
This is a fully onsite role based in Toronto at 222 Jarvis Street, five days per week
Added 12 days ago
OT
Sr. IT Software Developer
Open Text Corporation
Waterloo, ON
- Other
Analyze existing and projected applications and implement enhancements that meet functional, performance, security, availability, and supportability requirements.

Lotus IT Solutions

Software Developer - API

Toronto, ON, Canada

Contract

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Job details

Job type: Contract
Apply by: Nov 29, 2026
Posting language: English
Posted: Oct 30, 2026

Original job description

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Ref: RQ11528 Contract – 12 Months (Extension Possible) Onsite – Toronto (222 Jarvis St.)

Posted Date: 2026-10-30

Location: Onsite – Toronto (222 Jarvis St.)

Public Sector Experience: Required – OPS / Public Sector

Contract End Date: 2027-10-01 *

Rate: $99/hour

Overview

The Government Services Integration Cluster (Ministry of Public and Business Service Delivery and Procurement) is seeking a Senior Software Developer – API to join their team onsite in Toronto. In this role, you will design, develop, and maintain enterprise-grade REST API platforms and integration solutions that connect critical government systems. You will play a key role in translating technical specifications into robust, tested applications across complex multi-client environments.

Key Responsibilities

Translate technical systems specifications into working, tested applications including developing detailed programming specifications, writing and generating code, and conducting unit tests
Design and develop REST API platforms using tools such as Apigee, IBM API Connect, IBM App Connect Enterprise (ACE), MuleSoft, or Azure API Management (APIM)
Convert web services between SOAP and REST formats as required by project needs
Implement API gateway policies including rate limiting, throttling, transformation, caching, logging, and request/response modifications
Integrate APIs with enterprise platforms such as Microsoft SharePoint, Microsoft Dynamics CRM, Siebel, and Curam
Apply API security best practices including OAuth 2.0, JWT, API keys, and TLS across all integration layers
Manage the full API lifecycle including versioning, testing, deployment, and monitoring
Create and maintain REST API documentation using Swagger, OpenAPI specifications, and YAML
Troubleshoot and resolve technical problems arising during software operation, implementation, conversion, and migrations
Collaborate with cross-functional teams including business analysts, QA, developers, and product owners throughout the Software Development Life Cycle
Facilitate technical discussions, lead design walkthrough sessions, and provide knowledge transfer to internal staff
Support applications through system integration, test planning, scripting, and troubleshooting activities

Must-Have Requirements

10+ years of experience as a designer and developer in large-scale multi-client web applications
10+ years of hands-on Java development experience with Oracle or SQL databases
5+ years of hands-on experience with REST APIs and RESTful Web Services
5+ years of experience in API development, integration design, and implementation in complex enterprise environments
Solid knowledge of security gateways and protocols including JWT, OAuth 2.0, and SSL Certificates
Proven experience delivering solutions using IBM API Connect, IBM App Connect Enterprise (ACE), MuleSoft, or Azure API Management (APIM)
Strong understanding of RESTful API design, event-driven architecture, and microservices
Experience implementing API gateway policies (rate limiting, throttling, transformation, logging)
Deep understanding of OpenAPI (Swagger) specifications and API documentation standards
Solid understanding of Agile methodologies
Excellent analytical, problem-solving, and decision-making skills with strong verbal and written communication abilities

Nice-to-Have Skills

Experience creating REST API documentation using Swagger and YAML or similar tools
Experience with integration frameworks such as MuleSoft or Apache Camel
Familiarity with containerization technologies (Docker) and orchestration tools (Kubernetes)
Knowledge and experience with programming Internet-ready applications
Experience with middleware, ESBs, and enterprise integration patterns including synchronous/asynchronous messaging, pub/sub, and message queues
Knowledge and understanding of Accessibility for Ontarians with Disabilities Act (AODA) and related regulations and standards
Experience with OPS IT project and architectural governance
Knowledge of OPS Digital, accessibility, and cybersecurity standards
Experience in rapid application development (RAD) methodologies

Work Environment

This is a fully onsite role based at 222 Jarvis St., Toronto, Ontario, five days per week. The team operates using Agile methodologies and collaborates closely with cross-functional stakeholders across the Ministry of Public and Business Service Delivery and Procurement. No security clearance is required for this engagement.

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Final role details, responsibilities, and terms will be confirmed with shortlisted candidates. Compensation may vary based on experience. Errors and omissions excepted.

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More about this job

Responsibilities

Design, develop, test, and maintain enterprise REST API platforms and integrations connecting government systems, including implementing gateway policies, security, and API documentation. Manage the API lifecycle and troubleshoot integrations while collaborating with cross-functional teams on design, testing, deployment, and knowledge transfer.

Requirements

Requires 10+ years of experience developing large-scale multi-client web applications and hands-on Java development with Oracle or SQL databases, plus at least five years of REST API and enterprise integration experience. Candidates must have experience with an API management platform such as IBM API Connect, IBM App Connect Enterprise, MuleSoft, or Azure API Management, and strong knowledge of API security, design, documentation, and Agile methods.

Skills

Java
REST APIs
API Development
API Integration
IBM API Connect
IBM App Connect Enterprise
MuleSoft
Azure API Management
OAuth 2.0
JWT
OpenAPI
Swagger
Oracle
SQL
Microservices
Agile Methodologies

Visa sponsorship

Not detected in the job text

Keywords

Java
Oracle
SQL
REST APIs
RESTful Web Services
SOAP
IBM API Connect
IBM App Connect Enterprise
MuleSoft
Azure API Management
Apigee
OAuth 2.0
JWT
TLS
SSL Certificates
API Gateway Policies
OpenAPI
Swagger
YAML
Microservices
Event-Driven Architecture
SharePoint
Microsoft Dynamics CRM
Siebel
Curam
Docker
Kubernetes
Apache Camel
Agile
AODA

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Jobs in Canada