Find work in Canada.

553,131 jobs across our Canadian network. How we count

Jobs in Canada

25+ jobs

Email me new jobs Save this search

Added 36 mins ago
E
Tests and Validations Specialists
EERS
Montreal, QC
- Full-time
…involved in all phases of product design. Reporting to the Senior Hardware Design Engineer, and under supervision of the EMC specialist, we expect them to perform a variety of tasks ranging…
Added 2 hours ago
H
Senior Designer, ICT/Security
HDR
Calgary, AB · Toronto, ON
- Full-time
HDR has immediate openings for Senior ICT (Information & Communication Technology)/Physical Security Engineers to join our team. In this dynamic role, you’ll forge powerful relationships…
Added 12 hours ago
HT
Designer, Development (Electrical)
Husky Technologies
Bolton, ON
- Full-time
The Senior Designer, Development (Electrical) will be a key contributor to these product development teams, responsible for designing and delivering robust, safe and reliable electrical…
Added 18 hours ago
HT
Designer, Development (Electrical)
Husky Technologies
Bolton, ON
- Full-time
The Senior Designer, Development (Electrical) will be a key contributor to these product development teams, responsible for designing and delivering robust, safe and reliable electrical…
Added 18 hours ago
ZA
Project Manager
Zeidler Architecture
Calgary, AB
- Full-time
…by a Registered Architect, Intern Architect, or experienced Designer with senior-level Qualifications and demonstrated leadership in project…
Added 19 hours ago
A
Senior Service Designer
Aviso
Toronto, ON
- $95,000 to $105,000 CAD / year
- Full-time
We're looking to fill an opening for a Senior Service Designer to join our Client Experience team.
Added 20 hours ago
A
Tandem Engineering Group
Archinect
Windsor, ON
- Full-time
Tandem is recruiting for a FULL-TIME PERMANENT POSITION as a SENIOR ARCHITECTURAL DESIGNER to support our client’s projects in our WINDSOR, ON LOCATION. APPLY NOW
Added 1 day ago
A
Senior Delivery Manager, Temporary
Aviso
Toronto, ON
- Temporary
The Senior Delivery Manager will serve as the central point of coordination across Agile Squads, partnering closely with the squad leadership triad consisting of the Product Owner, Product…
Added 1 day ago
HT
Designer, Development (Electrical)
Husky Technologies
Bolton, ON
- Full-time
The Senior Designer, Development (Electrical) will be a key contributor to these product development teams, responsible for designing and delivering robust, safe and reliable electrical…
Added 1 day ago
AW
Instrumentation and Control Designer
Agilus Work Solutions
Calgary, AB
- Full-time
We are seeking a Senior to Principal Instrumentation & Controls Designer to provide technical leadership and deliver high-quality I&C design solutions for major industrial projects. This…
Added 1 day ago
HT
Designer, Development (Electrical)
Husky Technologies
Bolton, ON
- Full-time
The Senior Designer, Development (Electrical) will be a key contributor to these product development teams, responsible for designing and delivering robust, safe and reliable electrical…
Added 1 day ago
LI
Software Developer
Lotus IT Solutions
Toronto, ON
- Contract
…and Business Service Delivery and Procurement, is seeking a Senior Software Developer to join their team onsite in Toronto. The successful candidate will be responsible for designing,…
Added 1 day ago
LI
Software Developer - API
Lotus IT Solutions
Toronto, ON
- Contract
…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…
Added 1 day ago
LI
Software Developer - Back End
Lotus IT Solutions
Toronto, ON
- Contract
…and Business Service Delivery and Procurement) is seeking a Senior Back End Software Developer for an onsite engagement in Toronto. The successful candidate will be responsible for…
Added 1 day ago
F
Senior Piping Designer
Fluor
Vancouver, BC
- Full-time
…on innovation and providing cost-effective technology-based solutions is second to none. As we look to the future, we need creative, ambitious, and innovative professionals who can help us…
Added 1 day 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 1 day ago
HT
Designer, Development (Electrical)
Husky Technologies
Bolton, ON
- Full-time
The Senior Designer, Development (Electrical) will be a key contributor to these product development teams, responsible for designing and delivering robust, safe and reliable electrical…
Added 1 day ago
I
Intermediate Mechanical Designer
Introba
Vancouver, BC
- Full-time
…planet. We transform the built environment by creating dynamic solutions - living systems - that are smart, resilient, and…
Added 1 day ago
GI
Intermediate Mechanical Designer
Global Infrastructure
Vancouver, BC
- Full-time
…planet. We transform the built environment by creating dynamic solutions - living systems - that are smart, resilient, and…
Added 1 day ago
FI
Senior Product Designer
Fellow Insights Inc.
Remote, Canada
- $130,000 to $160,000 CAD / year
- Full-time
- Remote
…you to execute. Instead, designers identify problems, propose solutions, guide implementation, and work closely with others to bring their ideas to…
Added 1 day ago
Senior Designer
GHD Group Pty Ltd
Montreal, QC
…and help turn ideas into thoughtful, practical and buildable…
Added 1 day ago
EE
Lead Electrical Designer
ECG Engineering Pty Ltd
Mississauga, ON
- Full-time
We are looking for a Lead Electrical Designer to join our Canada team and contribute to the design of a range of mineral processing projects, providing leadership to the drafting team and…
Added 1 day ago
AS
Senior Electrical Designer
Acara Solutions, An Aleron Company
Toronto, ON
- $80,000 to $106,000 CAD / year
- Full-time
We are looking for an experienced Senior Electrical Designer with a strong background in medium-voltage switchgear and protection & control (P&C) systems.
Added 1 day ago
M
RQ11528 - Software Developer - API - Senior
Maarut
Toronto, ON
- Contract
experience delivering solutions using platforms such as IBM API Connect,
Added 1 day ago
M
RQ11620 - Software Developer - Senior
Maarut
Toronto, ON
- Contract
10+ years of experience as a designer and developer in the large-scale multi-client web applications

Lotus IT Solutions

Software Developer - API

Toronto, ON, Canada

Contract

Apply About employer

Applications open in a new tab.

Job details

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

Original job description

Sign in to apply for this position Sign In to Apply

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.

Previous Job Job Listings Next Job

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

Apply About employer

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

Report this job