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Added 14 hours ago
B
Senior Product Manager
Blazesoft
Concord, ON
- Full-time
Deep experience collaborating with engineering teams: you know how to write specs that developers actually want to read
Added 14 hours ago
WI
Project Manager, Transportation Engineering
WSP in Canada
Langley (District), BC · City of Langley, BC
- Full-time
Develop creative solutions by liaising with municipalities, developers, and regulatory authorities.
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PH
Analytics Engineer, Risk
Propel Holdings
Toronto, ON
- Full-time
…the Manager, Model Development, Data Scientists, and Model Developers. This highly technical, hands-on role focuses on the data infrastructure supporting credit risk models, including ETL…
Added 14 hours ago
CO
Temporary Technical Lead (Housing Accelerator Fund) Up to 18 Months
City of Saint John
Saint John, NB
- Temporary
…transparency, and customer service for residents, businesses, and…
Added 16 hours ago
AS
Full Stack Designer /Developer
Apex Systems
Toronto, ON
- $55 to $80 USD / hour
- Contract
Experience mentoring developers and contributing to technical leadership.
Added 16 hours ago
TR
Cloud Platform Developer Co-op
Teck Resources Limited
Vancouver, BC · Greater Vancouver, BC
- Full-time
…operate applications more efficiently. Working alongside Platform Developers, Software Developers, Product Managers, and Cloud Architects, you will contribute to a modern Azure and…
Added 16 hours ago
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Application Support Engineer (Front Office)
Synechron
Mississauga, ON
- Full-time
Ability to work effectively with business users, operations teams, developers, infrastructure teams, and third-party vendors.
Added 17 hours ago
WI
Project Manager, Transportation Engineering
WSP in Canada
Vancouver, BC
- Full-time
Develop creative solutions by liaising with municipalities, developers, and regulatory authorities.
Added 17 hours ago
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Engineering Manager, Conversational AI
Pebl
Remote, Canada
- $154,000 to $195,000 CAD / year
- Full-time
- Remote
…products, and you've shipped something real end users, not just developers, interact…
Added 18 hours ago
B
Project Manager Global Expansion
Bombardier
Dorval, QC
- Full-time
…You will collaborate closely with architects, contractors, developers, and our customer representatives to monitor progress, validate milestones, and proactively address risks. You will…
Added 18 hours ago
LI
Systems Testing/QA Specialist
Lotus IT Solutions
Toronto, ON
- Contract
…and automated testing, as well as strong collaboration with developers, business analysts, and project…
Added 18 hours ago
LI
Software Developer - API
Lotus IT Solutions
Toronto, ON
- Contract
Collaborate with cross-functional teams including business analysts, QA, developers, and product owners throughout the Software Development Life Cycle
Added 18 hours ago
LI
Software Developer - Back End
Lotus IT Solutions
Toronto, ON
- Contract
…environment and requires close collaboration with front-end developers, architects, and cross-functional project…
Added 18 hours ago
OT
Sr. IT Software Developer
Open Text Corporation
Waterloo, ON
- Other
Coordinate defined work packages, guide less-experienced developers, and proactively identify opportunities for continuous improvement.
Added 18 hours ago
OT
Principal Systems Architect (Copilot Architect)
Open Text Corporation
Mississauga, ON · Richmond Hill, ON · Waterloo, ON
- Other
Provide technical leadership and direction to developers, platform engineers, DevOps engineers, analysts, vendors, and partner teams without relying on direct reporting authority.
Added 19 hours ago
P
Senior DevOps Engineer
Pixieset
Vancouver, BC
- Full-time
…using GitLab CI/CD or comparable tools, including working with developers and test engineers to strengthen automated verification, safe rollout and rollback…
Added 19 hours ago
TF
Junior Flooring Installer
Tantalus Floors
Saanich, BC
- $25 to $32 CAD / hour
- Full-time
…stair work, and flooring materials to homeowners, builders, developers, and commercial clients throughout Whistler, Squamish, and the Sea to Sky…
Added 19 hours ago
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Lead Hardwood Flooring Installer
Tantalus Floors
Saanich, BC
- $35 to $45 CAD / hour
- Full-time
…stair work, and flooring materials to homeowners, builders, developers, and commercial clients throughout Whistler, Squamish, and the Sea to Sky…
Added 19 hours ago
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Senior Functional Analyst, Salesforce Retail CRM
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Calgary, AB · Edmonton, AB
- Full-time
…diagrams clearly to both business stakeholders and technical…
Added 19 hours ago
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2027 Apprenticeship Program - General TD Trainee
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- Full-time
…directly with artists, fellow technical directors, and software developers to solve problems and implement new…
Added 19 hours ago
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Sr. Analytics Consultant
Tiger Analytics
Canada
- Full-time
Partner with Power BI developers to design intuitive wireframes, semantic models, and dashboards aligned with business workflows
Added 19 hours ago
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Forward Deployed Engineer (FDE) - GenAI / Agentic AI
Tiger Analytics
Toronto, ON
- Full-time
Collaborate closely with architects, ML engineers, developers, and client stakeholders in fast-moving, ambiguous environments
Added 20 hours ago
II
Director, AI Applications Development
iVedha Inc.
Toronto, ON
- Full-time
…function and guide a high-performing team of AI engineers, developers, and quality assurance specialists who build and support enterprise-grade AI solutions. As Director, you'll provide…
Added 20 hours ago
BD
Senior DevOps Engineer - Cloud Operations
Black Duck
Calgary, AB
- Full-time
Collaborate with developers to bring new features and services into production via containerized, Kubernetes-native deployment patterns
Added 20 hours ago
P
DevOps Team Lead
Pixieset
Vancouver, BC
- Full-time
You’ll partner with engineering leadership, developers, and test specialists to shape priorities, address recurring operational challenges, and deliver lasting improvements. Through…

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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