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Added 9 hours ago
ST
Senior IT Systems Specialist
Saltworks Technologies
Richmond, BC
- $110,000 to $140,000 CAD / year
- Full-time
…systems for some of the world's most recognized companies. Every team member contributes meaningfully, from early-stage development through field…
Added 10 hours ago
S
Technology Manager
Skip
Oakville, ON
- Full-time
Career Development - Help define goals and objectives for engineers in the team to lead and guide them throughout their careers and aspirations.
Added 10 hours ago
TA
AI Product Manager
Tiger Analytics
Canada
- Full-time
We are seeking a Operation Research Scientist to join our advanced analytics and AI team supporting some of our large enterprise clients. In this role, you will
Added 10 hours ago
A
Lead Mechanical Engineer (Minerals & Metals)
Ausenco
Burlington, ON
- Full-time
Our Mining Division is growing in Eastern Canada and we are currently recruiting for a Lead Mechanical Engineer to join our team in GTA (Burlington or Toronto)
Added 10 hours ago
ML
Engineering Manager
Maple Leaf Foods Inc
London, ON
- $122,000 to $172,000 CAD / year
- Part-time
The Engineering Manager leads a multidisciplinary team responsible for project engineering, process engineering, training systems and technical documentation, and engineering support for…
Added 10 hours ago
ML
Continuous Improvement Manager
Maple Leaf Foods Inc
ON · Hannon, ON
- $96,000 to $141,000 CAD / year
- Part-time
Comprehensive tuition reimbursement program that supports continuous learning and development of our team members through investment in eligible degrees, diplomas, professional…
Added 10 hours 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 10 hours ago
Solutions Architect - Onsite
Mariner
Halifax, NS
Lead architecture discussions and provide technical guidance throughout project lifecycles.
Added 10 hours ago
GS
IT Operations Lead
Giatec Scientific Inc.
Ottawa, ON
- Full-time
We're looking for an IT Operations Lead who believes great IT is invisible: people get what they need, it just works, and it's secure without getting in anyone's way. You'll lead IT at a…
Added 11 hours 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 11 hours ago
P
Engineering Manager, Conversational AI
Pebl
Remote, Canada
- $154,000 to $195,000 CAD / year
- Full-time
- Remote
We are looking for a hands-on Engineering Manager to lead our high-impact Conversational AI team. This is a critical leadership role for someone who is not only an effective manager but…
Added 11 hours ago
ML
Production Supervisor
Maple Leaf Foods Inc
ON · Hannon, ON
- $62,000 to $91,000 CAD / year
- Part-time
…to achieving success in this role. We’re looking for strong team players and team builders who create and maintain strong working relationships. In this fast-paced environment, being…
Added 11 hours ago
PC
Chief Mine Engineer
Paladin Canada
Saskatoon, SK
- Full-time
…mining operation through leadership of underground mine design, development sequencing, production planning, infrastructure requirements, and continuous improvement initiatives. You will…
Added 12 hours 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 12 hours ago
OT
Principal Systems Architect (Copilot Architect)
Open Text Corporation
Mississauga, ON · Richmond Hill, ON · Waterloo, ON
- Other
…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 12 hours ago
P
Senior DevOps Engineer
Pixieset
Vancouver, BC
- Full-time
…deployment safeguards to support the growing use of AI agents in software…
Added 12 hours ago
D(
HR Advisor – Fixed-Term Until July 2028
DWF (Canada)
Toronto, ON
- Full-time
DWF Group is a global provider of integrated legal and business services. As part of the DWF Group, our Canadian legal team is driven by innovation, collaboration, and a shared commitment…
Added 12 hours ago
EL
Store Manager - Le Labo- Full time - Vancouver, CA
Estée Lauder Companies
Vancouver, BC
- Full-time
We are looking for a dynamic and inspirational Store/Retail/Counter Manager to lead, coach and develop our team of Sales Associates to achieve all sales, customer service and operational…
Added 12 hours ago
F
Junior Building Design Specialist
Fluor
Vancouver, BC
- Full-time
Fluor team members are at the heart of our success in executing projects safely, thoughtfully, and with the highest quality. If you value teamwork, empowerment in your career, and are eager…
Added 12 hours ago
F
Intermediate Building Design Specialist
Fluor
Vancouver, BC
- Full-time
Fluor team members are at the heart of our success in executing projects safely, thoughtfully, and with the highest quality. If you value teamwork, empowerment in your career, and are eager…
Added 12 hours ago
M
Cloud and AI Partner Solution Specialist
Microsoft
Goodwood, ON
- Full-time
At Small Medium Enterprises and Channel (SME&C), we are leading a high-growth, AI-powered global sales team - one that is deeply connected to our partners and driven by customer success. By…
Added 13 hours ago
F
Chief Revenue Officer (CRO) & Co-founder - AI for Small Law Firms
FutureSight
Canada
- Full-time
Team - Once the motion is working, recruit and lead the sales, partnerships, and customer-success organization needed to scale it.
Added 13 hours ago
MD
Parks and Trails Grants Specialist Supervisor
Minnesota Direct Care and Treatment
Saint-Paul, NB · St.-Paul, NB
- Full-time
…by providing benefits, support resources, and training and development…
Added 13 hours ago
MC
Program Chief Engineer – Spacecraft Satellite Systems (35863)
Myticas Consulting
Canada
- Full-time
Lead across Systems, Flight & Ground Software, Electrical/Avionics, Mechanical, RF, GNC, Payload, AIT, Manufacturing and Operations.
Added 13 hours ago
AI
Business Development, AI Platform
Ample Insight Inc.
Toronto, ON
- Full-time
Atlas helps software companies launch deep AI capabilities for their existing customers without rebuilding their platforms. We’re looking for a high-energy, entrepreneurial Business…

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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