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Added 1 hour ago
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Ingénieur En Qualité/Software Quality Engineer
Actalent
Longueuil, QC
- $39 to $57 CAD / hour
- Contract
…de développement logiciel et les fournisseurs externes. Le consultant travaillera en étroite collaboration avec l'équipe des systèmes de contrôle des moteurs et aura une visibilité auprès…
Added 1 hour ago
Senior OT Control Systems - Engineering Specialist
Mariner
Saint John, NB
…New Brunswick. In this role, you will be responsible for the design, support, optimization, and security of Operational Technology (OT) and industrial automation systems that enable safe…
Added 1 hour ago
Solutions Architect - Onsite
Mariner
Halifax, NS
8+ years of experience in IT, including significant experience in solution architecture, systems design, or enterprise application delivery.
Added 2 hours ago
ML
Project Manager
Maple Leaf Foods Inc
Winnipeg, MB
- Full-time
Reviewing plant capital for appropriateness of design, feasibility and compliance with MLF policy and coaching plant personnel on the development and execution of capital projects in…
Added 3 hours ago
LI
Middleware Specialist
Lotus IT Solutions
Toronto, ON
- Contract
…Specialist for a fully onsite engagement in Toronto. The successful consultant will provide end-to-end planning, design, development, deployment, and daily operational support of middleware…
Added 3 hours ago
LI
Software Developer - Back End
Lotus IT Solutions
Toronto, ON
- Contract
Design and develop robust server-side logic, central database definitions, and ensure high performance and responsiveness to front-end requests
Added 4 hours ago
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Associate Technical Consultant, Environmental Scientist
Worley
Calgary, AB
- Full-time
Planning and executing Phase I and Phase II Environmental Site Assessments (ESAs), including investigation design, field oversight, data interpretation, and reporting.
Added 4 hours ago
CL
Senior Interior Designer
Clarisa Llaneza Studio
Toronto, ON · Greater Toronto Area, Canada
- Full-time
Clarisa Llaneza Studio (CLS) is a Toronto interior design studio creating private residences and retail spaces, from city homes and lakeside builds to brand flagships. Led by Principal &…
Added 4 hours ago
TA
Sr. Consultant/Manager - Analytics Consulting
Tiger Analytics
Canada
- Full-time
…and business teams to define requirements, align on solution design, and manage end-to-end delivery. Take high ownership of execution, coordinating with the team responsible for building…
Added 4 hours ago
TA
Sr. Analytics Consultant
Tiger Analytics
Canada
- Full-time
We are looking for a Sr. Analytics Consultant where you will bridge the gap between high-level business strategy and technical execution. In this hands-on consulting role, you will lead…
Added 5 hours ago
K
Senior Consultant - Cybersecurity, Strategy & Transformation
KPMG
Vancouver, BC · Victoria, BC
- Full-time
Our Vancouver/Victoria team is looking for a highly motivated Cyber Security professionals at the Senior Consultant level to join our team! As a member of KPMG Canada’s cross-functional…
Added 5 hours ago
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Consultant - Cybersecurity, Strategy & Transformation
KPMG
Vancouver, BC · Victoria, BC
- Full-time
Our Vancouver team is looking for a highly motivated Cyber Security professional at the Consultant level to join our team! As a member of KPMG Canada’s cross-functional Cyber team, you will…
Added 5 hours ago
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Sr Project Manager (Industrial Capital Projects)
NPAworldwide
Leamington, ON
- Full-time
Prepare scope of work documents including design basis, major equipment specifications, and control requirements
Added 5 hours ago
CI
Intermediate Security Specialist – Security Architect - Onsite Regina, SK
Compugen Inc
Regina, SK
- Contract
…collaboration, Compugen helps organizations delivering experience by design. This is what it means to be human-centered and…
Added 6 hours ago
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Customer Delivery Architect
Cisco
Montreal, QC
- Full-time
We design, implement, and optimize Cisco technology to solve real-world business problems. We translate complex requirements into technical architectures that drive results. By aligning our…
Added 6 hours ago
PE
Senior Mechanical Engineer - Team Lead, Calgary
Polar Engineering
Calgary, AB
- Full-time
Polar Engineering is an engineering, design, project management and commissioning consultancy. We specialize in recreation facilities and industrial refrigeration, and we're experts at…
Added 6 hours ago
MC
Technical Consultant III (35732)
Myticas Consulting
Toronto, ON
- Full-time
Technical Consultant III (Software Engineer, Senior/Lead)
Added 6 hours ago
MC
Senior Mechanical PCB Engineering Consultant (35428)
Myticas Consulting
Ottawa, ON · Kanata, ON
- Contract
…hardware platforms and optical communication products. The consultant will work under the direction of the Client's engineering team and provide mechanical design, analysis, supplier…
Added 6 hours ago
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Project Manager - contract
CBRE
Vancouver, BC
- Full-time
As a CBRE Project Management Consultant, you will be responsible for providing consulting services to an assigned market or client account to help achieve the company's strategic business…
Added 6 hours ago
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Architecte de solution Microsoft Dynamics CE / Power Platform
CGI
Montreal, QC
- Full-time
Design, document and guide the development of user-friendly and scalable technological solutions within the Microsoft Dynamics / Power Platform environment
Added 6 hours ago
TH
Senior Project Manager, Capital Planning and Redevelopment
Trillium Health Partners
Mississauga, ON
- Full-time
Manages and oversees all consultant activities in the design development, contract design documents, including: budgets, project specifications, design briefs, architectural, mechanical,…
Added 7 hours ago
MM
Communication Consultant Senior Principal
Marsh McLennan
Montreal, QC
- Full-time
…generate ideas and analyze applicable data to implement and design technology solutions strategies; and anticipate the client’s needs and incorporate them into project planning to stay one…
Added 7 hours ago
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Project Engineer
Raise
Saskatoon, SK
- Contract
…is focused on technical integration rather than discipline design or project management. The successful candidate will lead multidisciplinary engineering efforts, coordinate technical…
Added 7 hours ago
TM
Mental Health Consultant
Toronto Metropolitan University
Toronto, ON
- Full-time
Added 7 hours ago
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Oracle Cloud ERP Finance Acquire-to-Retire (A2R) Senior Consultant
Deloitte
St. John's, NL · Greater St. John's Metropolitan Area
- Full-time
As an Oracle Cloud ERP Finance Acquire-to-Retire (A2R) Senior Consultant, you will support multiple Oracle Cloud Finance engagements across various clients and finance domains.

Lotus IT Solutions

Software Developer - Back End

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: RQ11429 Contract – 9 Months (Extension Possible) Onsite – Toronto (222 Jarvis Street)

Posted Date: 2026-10-30

Location: Onsite – Toronto (222 Jarvis Street)

Public Sector Experience: Required – OPS / Public Sector

Contract End Date: 2027-05-31 *

Rate: $99/hour

Overview

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 Toronto. The successful candidate will be responsible for designing, developing, and maintaining server-side logic and database architecture for large-scale, multi-client web applications. This role operates within an Agile delivery environment and requires close collaboration with front-end developers, architects, and cross-functional project teams.

Key Responsibilities

Design and develop robust server-side logic, central database definitions, and ensure high performance and responsiveness to front-end requests
Translate technical systems specifications into working, tested, and well-documented applications
Develop detailed programming specifications and write or generate production-quality code
Build and maintain RESTful APIs and RESTful Web Services to support front-end and third-party integrations
Integrate front-end elements into server-side applications and support full-stack collaboration
Apply microservice architecture principles to enhance product extensibility, maintainability, and scalability
Work with relational and hierarchical databases (Oracle, SQL) including data retrieval using query languages
Implement and enforce security protocols including JWT, OAuth 2.0, and SSL Certificates
Conduct unit testing, compile data-driven programs, and perform debugging and troubleshooting of technical issues
Participate in design walkthrough sessions and contribute to code reviews with the project team
Support post-implementation activities and resolve technical issues as they arise
Follow OPS development standards and contribute to Agile ceremonies and sprint delivery

Must-Have Requirements

10+ years of experience as a designer and developer on 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
Extensive experience in modern web framework technology stack: React, JavaScript, Next.js, Node.js, CSS, and RESTful APIs
Extensive experience with responsive web development and HTML5
Extensive experience coding for mobile devices
10+ years of experience developing applications in compliance with PCI and WCAG 2.2 standards and achieving AODA compliancy
Experience with JAWS, WAI-ARIA, and HTML5 for accessible application development
Knowledge and experience with microservice architecture and core architecture principles
Experience using Azure DevOps for source control, CI/CD, and project management
Knowledge of security gateways and protocols including JWT, OAuth 2.0, and SSL Certificates
Strong understanding of Agile methodologies and object-oriented coding practices including design patterns, refactoring, and clean code principles

Nice-to-Have Skills

Previous experience developing and supporting Driver, Vehicle, Healthy Smiles Ontario, and High Occupancy Lanes services within the ServiceOntario web portal
Experience with Canada Post Address module and Government Payment Gateway integrations
Knowledge of rapid application development (RAD) methodologies
Experience with middleware and gateways
Familiarity with OPS development standards and processes
Prior Ontario Public Sector or broader public sector development experience

Work Environment

This is a fully onsite role based in Toronto at 222 Jarvis Street, five days per week. No security clearance is required. The team follows Agile methodologies and the consultant will work closely with both functional and technical team members throughout the software development life cycle.

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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, and maintain server-side logic, database architecture, and RESTful services for large-scale web applications, ensuring performance, security, and accessibility. Collaborate with front-end developers and cross-functional teams in an Agile environment, while testing, debugging, reviewing code, and supporting post-implementation activities.

Requirements

Requires 10+ years of experience developing large-scale web applications and Java applications with Oracle or SQL, plus at least five years working with REST APIs and web services. Candidates must also have extensive experience with modern web technologies, responsive and mobile development, PCI and WCAG 2.2 compliance, accessibility tools, microservices, Azure DevOps, security protocols, and Agile practices.

Skills

Java
Oracle
SQL
REST APIs
React
JavaScript
Next.js
Node.js
CSS
HTML5
Responsive Web Development
Mobile Development
Microservices
Azure DevOps
Web Accessibility
Agile Methodologies

Visa sponsorship

Not detected in the job text

Keywords

Java
Oracle
SQL
REST APIs
RESTful Web Services
React
JavaScript
Next.js
Node.js
CSS
HTML5
Responsive Web Development
Mobile Development
Microservice Architecture
Azure DevOps
CI/CD
PCI Compliance
WCAG 2.2
AODA
JAWS
WAI-ARIA
JWT
OAuth 2.0
SSL Certificates
Agile
Object-Oriented Programming
Design Patterns
Refactoring
Middleware
Government Payment Gateway

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