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Added 2 days ago
Senior OT Control Systems - Engineering Specialist
Mariner
Saint John, NB
Lead the design, implementation, and enhancement of OT and industrial control system solutions to support operational and business objectives.
Added 2 days ago
BC
Communication Assistant
Brant Community Healthcare System
Brantford, ON
- Full-time
Assists the Communications Team in the planning and development of corporate communications tactics. As an example, developing posters, educational materials, materials for huddle boards,…
Added 2 days ago
LI
Software Developer - API
Lotus IT Solutions
Toronto, ON
- Contract
…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 2 days ago
OT
Principal Systems Architect (Copilot Architect)
Open Text Corporation
Mississauga, ON · Richmond Hill, ON · Waterloo, ON
- Other
…our corporate culture. As a member of the Digital Experience Web Development team, you will help design, build, and operate secure, scalable digital platforms and AI-enabled solutions that…
Added 2 days ago
P
Senior DevOps Engineer
Pixieset
Vancouver, BC
- Full-time
…deployment safeguards to support the growing use of AI agents in software…
Added 2 days ago
2L
Senior Business Development Executive
247 Labs
Toronto, ON
- Full-time
Company Description 247 Labs is an award-winning Canadian technology company specializing in custom software solutions, web and mobile applications, AI-powered systems, and digital…
Added 2 days ago
P
DevOps Team Lead
Pixieset
Vancouver, BC
- Full-time
Alongside your own engineering contributions, you'll help the team set realistic plans, resolve dependencies, and follow through on shared commitments. Your work will span cloud…
Added 2 days ago
2L
Sales Account Manager
247 Labs
Toronto, ON
- Full-time
Company Description 247 Labs is an award-winning Canadian technology company specializing in custom software development, web and mobile applications, AI-powered systems, and digital…
Added 2 days ago
2L
Executive Assistant
247 Labs
Toronto, ON
- Full-time
Company Description 247 Labs is an award-winning Canadian technology company specializing in custom software solutions, web and mobile applications, AI-powered systems, and digital…
Added 2 days ago
S
Agentic AI Architect - Intelligence Engineering (Toronto)
Slalom
Toronto, ON · Greater Toronto Area, Canada
- Full-time
At Slalom, we co-create modern technology and software products with clients who are ready to accelerate their digital product development. We imagine how things can be made better, then…
Added 2 days ago
MC
Technical Consultant III (35732)
Myticas Consulting
Toronto, ON
- Full-time
We are seeking a Senior Technical Consultant / Software Engineer III (Team Lead) to lead the technical delivery of complex enterprise SaaS implementations within the banking and financial…
Added 2 days ago
L
Staff Software Engineer - Checkout and Post Purchase Web Experiences
lululemon
Vancouver, BC
- Full-time
The lower funnel experiences teams are a global development team responsible for the web checkout and post-purchase experiences on the lululemon.com website and are responsible for critical…
Added 2 days ago
ZC
Senior Full Stack Developer (Angular & Java)
Ztek Consulting
Montreal, QC
- Full-time
You will support and lead different phases of the product lifecycle including analysis, development, and testing.
Added 2 days ago
P
DevOps Team Lead
Pixieset
Vancouver, BC
- Full-time
Alongside your own engineering contributions, you'll help the team set realistic plans, resolve dependencies, and follow through on shared commitments. Your work will span cloud…
Added 2 days ago
SL
AVP, Threat and Vulnerability Management
Sun Life
Toronto, ON · Waterloo, ON · Sun Life Toronto One York
- Full-time
…(DSTM) under Security, Risk & Crisis Management (SRC), you will lead Sun Life’s global capability for identifying, assessing, prioritizing, and mitigating cyber vulnerabilities and threats…
Added 2 days ago
ET
Guidewire ClaimCenter Lead
Envision Technology Solutions
Toronto, ON
- Contract
Conversant with expansion, new development, and maintenance projects
Added 2 days ago
SG
Data Engineer
Semios Group
Vancouver, BC
- $95,000 to $115,000 CAD / year
- Full-time
We know our journey is only achievable by having a great team who shares ideas, tries new things, and learns as we go.
Added 2 days ago
NM
Bilingual Technical Trainer (Central Region)
Nissan Motor Corporation
Mississauga, ON
- Full-time
Provide input regarding the development of department operating objectives; develop plans regarding regional training activities; coordinate both technical and non-technical training…
Added 2 days ago
Director, Product Design - Global Wealth Management
Scotiabank
ON · Ottawa, ON
Lead and develop a multidisciplinary design team by setting performance expectations, coaching team members, supporting career development, and building an inclusive, accountable, and…
Added 2 days ago
P
Sr. React Native Engineer | US/Canada
Pack.com
Remote, Canada
- Remote
Our platform core is already ~98% built on the web, and we are now expanding our mobile surface. We are looking for an elite Senior React Native Engineer to lead the engineering of our iOS…
Added 2 days ago
D
Senior Salesforce Developer
Docebo
Remote, Canada
- $90,800 to $121,000 CAD / year
- Full-time
- Remote
…integrations, and a growing set of AI-driven workflows. The team that runs it is small, senior, and split between Canada and Italy. We've spent this year putting real structure behind it: a…
Added 2 days ago
T
Chief Growth Officer
TechBlocks
Vaughan, ON
- Full-time
You inherit a marketing director, an inside sales lead and their team, and a vertical sales leader covering energy, utilities and mining.
Added 2 days ago
BR
Senior Applications Architect
BITS Recruiting
Toronto, ON
- $110 to $120 CAD / hour
- Contract
We are seeking an experienced Senior Applications Architect to lead the design and implementation of enterprise application architecture solutions within a large, complex technology…
Added 2 days ago
Test Automation Developer
Christie Digital Systems Inc.
Kitchener, ON
…harnesses. This role requires knowledge and experience in coding, development of in-house tools, strong debugging skills and the ability to analyze and make recommendations based on test…
Added 2 days ago
YI
Lead Guidewire Developer
Yeshnex IT Solutions
ON · Ontario, Canada
- Contract
We are looking for an experienced Lead Guidewire BillingCenter Developer with strong hands-on experience in Guidewire configuration, integration, and development. The ideal candidate will…

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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