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Added 7 hours ago
FS
Salesforce Revenue Cloud Architect
Focus Systems Inc.
Toronto, ON
- Contract
Experience with MuleSoft or similar enterprise integration platforms
Added 1 day ago
LI
Software Developer - API
Lotus IT Solutions
Toronto, ON
- Contract
…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…
Added 1 day ago
LI
Middleware Specialist
Lotus IT Solutions
Toronto, ON
- Contract
…platforms such as IBM App Connect Enterprise (ACE), IBM WebSphere, MuleSoft, or Azure Integration…
Added 1 day ago
TU
Applications Technical Lead
The University of British Columbia
Vancouver, BC
- $11,397 to $17,081.58 CAD / month
- Full-time
Added 1 day ago
TU
Platform Engineering Manager
The University of British Columbia
Vancouver, BC
- $11,397 to $17,081.58 CAD / month
- Full-time
Added 1 day ago
S
Manager, Technical Consulting
Staffbase
Canada
- $105,000 to $141,000 CAD / year
Added 1 day ago
IF
Salesforce Solution Architect
iA Financial Group
Vancouver, BC · Toronto, ON · Montreal, QC · Quebec, QC
- $120,000 CAD / year
- Full-time
…understanding of cloud environments, preferably Microsoft Azure, and MuleSoft. Knowledge of Marketing Cloud and Agentforce is considered a strong…
Added 1 day ago
M
RQ11528 - Software Developer - API - Senior
Maarut
Toronto, ON
- Contract
IBM App Connect Enterprise (ACE), MuleSoft, or Azure API Management
Added 1 day ago
M
RQ11527 - Middleware Specialist - Senior
Maarut
Toronto, ON
- Contract
WebSphere, MuleSoft, Azure Integration Services, or similar ESBs
Added 1 day ago
UO
Platform Engineering Manager
University of British Columbia
Vancouver, BC · UBCV | The Leonard S. Klinck Building (LSK)
- $11,397 to $17,081.58 CAD / month
- Full-time
Added 1 day ago
UO
Applications Technical Lead
University of British Columbia
Vancouver, BC · UBCV | The Leonard S. Klinck Building (LSK)
- $11,397 to $17,081.58 CAD / month
- Full-time
Added 1 day ago
M
RQ11666 - Product Manager - Senior
Maarut
Toronto, ON
- Contract
MuleSoft (middleware) and Java/React (public facing portal)
Added 1 day ago
MS
Senior Product Manager
MSZ Systems
Toronto, ON
- Contract
Exposure to Microsoft Dynamics 365 CRM, MuleSoft, Java, and React.
Added 1 day ago
TI
Senior API Developer
Teckhorizon Inc
Toronto, ON
- Contract
The client is seeking an experienced Senior Software Developer API to design, develop, implement, and maintain enterprise-level APIs, web applications, and system integrations. The ideal…
Added 1 day ago
P
Manager, Data Integration
Prophix
Remote, Canada
- Full-time
- Remote
…reviewing output as a technical leader rather than a primary…
Added 1 day ago
P
Manager, Data Integration
Prophix
Toronto, ON · Etobicoke, ON
- Full-time
…reviewing output as a technical leader rather than a primary…
Added 2 days ago
RB
Senior Software Developer, Workday Integrations & Extend
Royal Bank of Canada
Toronto, ON
- Full-time
As a Senior Software Developer, Workday Integrations & Extend, you will lead the technical design, development, and implementation of Workday solutions to meet complex HCM program…
Added 2 days ago
PN
Salesforce Developer
Panasonic North America
Mississauga, ON
- $50 to $58 CAD / hour
- Full-time
Panasonic Canada Inc. is currently looking to hire for the position of Salesforce Developer.
Added 2 days ago
PN
Salesforce Developer
Panasonic North America
Mississauga, ON
- $50 to $58 CAD / hour
- Full-time
Panasonic Canada Inc. is currently looking to hire for the position of Salesforce Developer.
Added 2 days ago
MD
Salesforce Application Supervisor - Systems Supervisor
Minnesota Direct Care and Treatment
Saint-Paul, NB · St.-Paul, NB
- Full-time
Added 2 days ago
J
Salesforce Technical Architect
Jobgether
Canada
- Full-time
Integration technologies: Experience designing enterprise integration patterns and working with middleware and data integration platforms such as MuleSoft, Informatica, or Dell Boomi.
Added 2 days ago
R
Senior Software Developer, Workday Integrations & Extend
RBC
Toronto, ON
- Full-time
As a Senior Software Developer, Workday Integrations & Extend, you will lead the technical design, development, and implementation of Workday solutions to meet complex HCM program…
Added 2 days ago
P
Salesforce Developer
Panasonic
Mississauga, ON
- Full-time
Panasonic Canada Inc. is currently looking to hire for the position of Salesforce Developer.
Added 3 days ago
AC
Workday Integration Developer
Adastra Corporation
Markham, ON
- Other
We are looking for a hands-on Workday Integration Developer to design, build, and support secure and reliable integrations between Workday and enterprise systems. The role will focus…
Added 3 days ago
SAP SuccessFactors Consulting Manager - Technical Integrations Lead
EY
AB · Toronto, ON · Calgary, AB
Evaluate and recommend middleware platforms (e.g., SAP CPI, Dell Boomi, MuleSoft) and integration patterns based on client needs.

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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