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Added 9 hours ago
Senior Product Designer
Questrade Financial Group
Toronto, ON
…professionally managed investment portfolios, mortgages, real estate services, financial services and more. We use cutting-edge technology to help Canadians become much more financially…
Added 9 hours ago
SH
Senior Media Relations and Communications Specialist
Shared Health-Soins Communs
Winnipeg, MB
- Full-time
Shared Health leads the planning and coordinates the integration of patient-centered clinical and preventive health services across Manitoba. The organization also delivers some…
Added 9 hours ago
NC
Engineer, Mine Projects
Newmont Corporation
BC · Kitimat-Stikine A, BC
- Full-time
Support the development of project designs, plans, technical drawings, and documentation.
Added 10 hours ago
A
Account Manager, XM
Acosta
Toronto, ON
- Full-time
Proven success in senior level client relationship development, management, retention and growth;
Added 10 hours ago
HT
Director, Finance (CSM)
Husky Technologies
Bolton, ON
- Full-time
…to offering our customers the highest quality products and services and are looking for people with the inspiration and talent to develop with us as we pursue our ambitious growth strategy.…
Added 10 hours ago
Senior Media Relations and Communications Specialist
Winnipeg Regional Health Authority
Winnipeg, MB
Shared Health leads the planning and coordinates the integration of patient-centered clinical and preventive health services across Manitoba. The organization also delivers some…
Added 10 hours ago
MI
Senior Associate, Nexus, Client Delivery
MUFG Investor Services
Halifax, NS
- Full-time
With a diverse and dynamic network of offices across the globe, MUFG Investor Services provides challenging and rewarding careers. We achieve this by offering continuous learning and…
Added 10 hours ago
A
Director of Rooms Division (Full-Time)
AccorHotel
Ottawa, ON
- Full-time
The Director of Rooms Division provides leadership to Front Office, Housekeeping, Fairmont Gold, Guest Services, Loyalty & Guest Experience, Communications, Health Club, and Valet…
Added 10 hours ago
SH
Personal Support Worker
SE Health
Prince Edward, ON
- Part-time
…our work. As a social enterprise, we support research into Senior’s Health and…
Added 10 hours ago
AC
EVS Manager - Healthcare
Aramark Canada
Calgary, AB
- Full-time
Environmental Services at Aramark, encompasses Housekeeping, Laundry, Patient Transport and Custodial Services in all industry sectors: especially Healthcare operations which include long…
Added 11 hours ago
CS
Culinary Manager
Cogir Senior Living
Burlington, ON · Kitchener, ON · Milton, ON · Mississauga, ON · Oakville, ON · Toronto, ON · Briarfield Gardens
- Full-time
Cogir Senior Living manages retirement residences across the country. We offer a range of senior living options including independent living, assisted living and memory care.
Added 11 hours ago
ST
Senior IT Systems Specialist
Saltworks Technologies
Richmond, BC
- $110,000 to $140,000 CAD / year
- Full-time
Saltworks Technologies has an immediate opening for a Senior IT Systems Specialist. You will own our technology infrastructure, from on-premises servers and cloud platforms to enterprise…
Added 11 hours ago
S
Technology Manager
Skip
Oakville, ON
- Full-time
Communicate - transparently communicate your progress and discuss ideas with your teams, other senior Individual Contributors and your Head of Engineering. Share new development practices,…
Added 11 hours ago
X
Head of Consumer Segment, NAM (Canada)
Xe.com
Canada
- Full-time
…people each year. We provide a comprehensive range of currency services and products, including our real-time exchange rates, Currency Converter, Market Analysis and Currency Data API,…
Added 11 hours ago
Senior OT Control Systems - Engineering Specialist
Mariner
Saint John, NB
Mariner innovates always and everywhere, turning novel ideas into practical solutions. From products and services to venture creation, we build better futures powered by people. Our purpose…
Added 12 hours ago
BC
Communication Assistant
Brant Community Healthcare System
Brantford, ON
- Full-time
Brantford General Hospital – Our acute care hospital offering a full spectrum of inpatient and outpatient services.
Added 12 hours ago
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Success Enablement Manager
Jobber
Remote, Canada
- Full-time
- Remote
…measurement frameworks that drive operational excellence and skill development across these teams. We work cross-functionally to ensure that every team member, regardless of channel or…
Added 12 hours ago
LP
Recruiter
Lethbridge Polytechnic
Lethbridge, AB
- Full-time
Participate in planning and implementing on campus events including, but not limited to, Open House, Junior/Senior High Appreciation Night, and Counsellor’s Update
Added 13 hours ago
A
Enterprise Architect CRM
ATB
Remote, Canada
- Full-time
- Remote
Ensure alignment to technology development and value creation strategies for new services or business capabilities.
Added 13 hours ago
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Senior SAP Programmer Analyst TRBK
ATB
Remote, Canada
- Full-time
- Remote
As ATB’s next TRBK Senior Developer, you're a key technical leader responsible for the end-to-end design, development, and implementation of robust SAP ABAP solutions, with a focus on core…
Added 13 hours ago
LI
Software Developer
Lotus IT Solutions
Toronto, ON
- Contract
The Government Services Integration Cluster (GSIC), under the Ministry of Public and Business Service Delivery and Procurement, is seeking a Senior Software Developer to join their team…
Added 13 hours ago
LI
Software Developer - API
Lotus IT Solutions
Toronto, ON
- Contract
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…
Added 13 hours ago
LI
Middleware Specialist
Lotus IT Solutions
Toronto, ON
- Contract
The Government Services Integration Cluster, under the Ministry of Public and Business Service Delivery and Procurement, is seeking a Senior Middleware Specialist for a fully onsite…
Added 13 hours ago
LI
Software Developer - Back End
Lotus IT Solutions
Toronto, ON
- Contract
The Government Services Integration Cluster (Ministry of Public and Business Service Delivery and Procurement) is seeking a Senior Back End Software Developer for an onsite engagement in…
Added 13 hours ago
OT
Sr. IT Software Developer
Open Text Corporation
Waterloo, ON
- Other
As a Sr. IT Software Developer (Digital Fullstack), you will independently deliver full-stack and platform capabilities for OpenText's digital experience ecosystem. You will work across…

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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