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Added 8 days ago
A
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 8 days 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 8 days 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 8 days 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 8 days 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 8 days 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…
Added 8 days ago
OT
Principal Systems Architect (Copilot Architect)
Open Text Corporation
Mississauga, ON · Richmond Hill, ON · Waterloo, ON
- Other
Experience designing enterprise AI landing zones, governed AI development patterns, or pathways from citizen-built prototypes to supported production services.
Added 8 days ago
NB
SME Account Manager, Business Flex
National Bank of Canada
Saskatoon, SK
- Full-time
…want to receive advice remotely. Your passion for business development and customer service experience will help you build trust over the phone and develop our small to medium-sized…
Added 8 days ago
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Senior DevOps Engineer
Pixieset
Vancouver, BC
- Full-time
…improving our GitLab CI/CD pipelines, Kubernetes infrastructure, development environments, and release processes. You’ll focus on making these systems more reliable and efficient, reducing…
Added 8 days ago
Director, Sales & Commercial Effectiveness, Western Canada and Southwestern Ontario
Right Time Group of Companies
Canada
We are a fast-growing home services company committed to delivering exceptional heating, ventilation, air conditioning, and plumbing solutions. With a focus on quality, innovation, and…
Added 8 days ago
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Senior Functional Analyst, Salesforce Retail CRM
ATB
Calgary, AB · Edmonton, AB
- Full-time
As ATB’s next Senior Functional Analyst, Salesforce Retail CRM, you will serve as the critical functional bridge between business operations, our Business Improvement Partners, and…
Added 8 days ago
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Associate Technical Consultant, Environmental Scientist
Worley
Calgary, AB
- Full-time
…procurement and construction across the project lifecycle, with services extending through to operations and decommissioning. Leveraging extensive experience and AI-enabled delivery, we…
Added 8 days ago
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Senior Data Center Technician
Microsoft
Quebec, QC
- $73,200 to $119,600 CAD / year
- Full-time
Microsoft’s Cloud Operations & Innovation (CO+I) is the engine that powers our cloud services. As a CO+I DCT, you will perform a key role in delivering the core infrastructure and…
Added 8 days ago
GT
Senior Associate, Audit – Relocate to Australia
Grant Thornton Australia
Toronto, ON
- Full-time
Join a leading professional services firm in one of the world's most liveable countries
Added 8 days ago
RO
Advisor, Water and Wastewater Strategic Infrastructure Planning
Region of Peel
Brampton, ON
- Contract
Lead the development of various asset management improvement initiatives identified in the maturity road map, presenting recommendations to senior leadership and Council for approval.
Added 8 days ago
MD
Chief of Operations - Core Operations Director
Minnesota Direct Care and Treatment
Saint-Paul, NB · St.-Paul, NB
- Full-time
At the State of Minnesota, employees play a critical role in developing policies, providing essential services, and working to improve the well-being and quality of life for all…
Added 8 days ago
MD
Statewide Fraud Controls Manager Enterprise Support - State Prog Admin Manager Sr
Minnesota Direct Care and Treatment
Saint-Paul, NB · St.-Paul, NB
- Full-time
At the State of Minnesota, employees play a critical role in developing policies, providing essential services, and working to improve the well-being and quality of life for all…
Added 8 days ago
MD
Senior Learning & Development Specialist - Training & Development Spec 4
Minnesota Direct Care and Treatment
Saint-Paul, NB · St.-Paul, NB
- Full-time
The Senior Learning & Development Specialist serves as a learning and development strategist and designer on the Employee Experience Team. This position is responsible for developing,…
Added 8 days ago
MD
Assistant Director, Special Compensation Fund/State Program Administrator Manager Senior
Minnesota Direct Care and Treatment
Saint-Paul, NB · St.-Paul, NB
- Full-time
At the State of Minnesota, employees play a critical role in developing policies, providing essential services, and working to improve the well-being and quality of life for all…
Added 8 days ago
TC
Senior Sharepoint Developer
Tata Consultancy Services
Vancouver, BC
- Full-time
Minimum Senior years of IT development experience with strong hands-on exposure to SharePoint development and Microsoft 365 collaboration solutions.
Added 8 days ago
CI
Senior Manager Property Management
Colliers International
Burnaby, BC
- Full-time
As one of Canada’s leading commercial real estate services firms, we are driven by our mission to accelerate success for our people, clients, and communities.
Added 8 days ago
FB
IT Business Partner EMS
Flogas Britain
Field, BC
- Full-time
Monitor the performance of IT services consumed by Energy Management Solutions, acting as the senior escalation point for service issues and ensuring swift and satisfactory resolution.
Added 8 days ago
IH
Administrative Assistant | P3 Contract Management
Interior Health Authority
Kelowna, BC
- Contract
…P3 Contract Management team located at the Community Health Services in Kelowna,…
Added 8 days ago
CR
Scientist in Immunochemistry
Charles River Laboratories
Montreal, QC
- Full-time
Charles River is committed to helping our partners expedite their preclinical drug development with exceptional safety assessment services, state-of-the-art facilities and expert regulatory…
Added 8 days ago
OH
Lead, Capacity, Access and Flow
Ontario Health | Santé Ontario
Whitby, ON
- Full-time
Conseiller les équipes Santé Ontario, les fournisseurs de services de santé et les partenaires du système sur les possibilités de faire progresser les objectifs stratégiques.

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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