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Added 13 days ago
M(
Développeur(se) logiciel principal (Senior), déploiements de conformité et multi-régions
MaintainX (An Autodesk Company)
Remote, Canada
- $131,000 to $191,000 CAD / year
- Full-time
- Remote
MaintainX is a leading mobile-first work execution platform for industrial and frontline teams. More than 13,000 customers, including Duracell, McDonald's, Shell, DHL and Volvo, use…
Added 13 days ago
PC
National Account Manager
PIP Canada
Mississauga, ON
- Full-time
Provide quarterly and annual updates on national account performance to senior leadership.
Added 13 days ago
PI
National Account Manager
Protective Industrial Products
Mississauga, ON
- Full-time
Provide quarterly and annual updates on national account performance to senior leadership.
Added 13 days ago
EP
Sr. Operations Manager – Rating and Forms
Embrace Pet Insurance
NB · Chiasson Office, NB
- Full-time
Senior Operations Manager, Rating & Forms - Embrace Pet Insurance
Added 13 days ago
HC
E-Commerce and Analytics Manager
H.I.S Canada Travel Inc.
Toronto, ON
- Full-time
Reports To: Senior Director, Integrated Marketing
Added 13 days ago
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TikTok Commerce - Senior Category Manager
TikTok
Toronto, ON
- Full-time
TikTok is the leading destination for short-form mobile video. At TikTok, our mission is to inspire creativity and bring joy. TikTok's global headquarters are in Los Angeles and Singapore,…
Added 13 days ago
C
Senior Mobile Solutions Lead
Cognizant
Toronto, ON
- $60,000 to $95,000 CAD / year
- Full-time
We are seeking an experienced 6-10 years of experience Senior Mobile Solutions Lead to drive the design and development of mobile and backend solutions supporting the Life & Annuities…
Added 13 days ago
Director, Offensive Security
Varicent
Toronto, ON
…trusted by a diverse range of global industry leaders like T-Mobile, ServiceNow, Wawanesa Bank, Shaw Industries, Moody's, Stryker and hundreds more. Here’s why you’ll thrive at…
Added 13 days ago
AU
Security Guard - Part Time Day Shifts
Allied Universal
ON · Simcoe, ON
- $20 CAD / hour
- Part-time
Shift: Saturdays & Sundays; Day Shifts (0630-1830)
Added 13 days ago
M
Senior Software Engineer - Credit Commercial Engineering
Marqeta
Remote, Canada
- Full-time
- Remote
Marqeta is seeking a skilled Senior Software Engineer to contribute to the design and delivery of software solutions on our Credit Commercial Engineering Team. In this role, you will take…
Added 13 days ago
S
Senior Customer Experience Associate - Mount Forest (22.5 hours/week)
Scotiabank
Mount Forest, ON
- Full-time
Our Senior Customer Experience Associates are the face, character and heart of our branches. Scotiabank is a place where we put our customers first, and our priority is to help them achieve…
Added 13 days ago
AU
Security Guard
Allied Universal
Ottawa, ON
- $19 CAD / hour
- Full-time
Must possess a valid Ontario Full G Driver’s Licence · Must have a clean driver’s abstract
Added 14 days ago
SH
Personal Support Worker
SE Health
Prince Edward, ON
- Part-time
…our work. As a social enterprise, we support research into Senior’s Health and…
Added 14 days ago
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Head of Consumer Segment, NAM (Canada)
Xe.com
Canada
- Full-time
Xe is profitable, product-led, and focused on building reliable, user-first tools that make moving money across borders easier for everyone
Added 14 days ago
2L
Executive Assistant
247 Labs
Toronto, ON
- Full-time
…company specializing in custom software solutions, web and mobile applications, AI-powered systems, and digital transformation. For over 13 years, the team has supported leaders in…
Added 14 days ago
OG
Intermediate Software Engineer - Onni Capital
Onni Group of Companies
Vancouver, BC
- Full-time
Write production code that holds up to senior engineering review, and contribute to code reviews of your peers
Added 14 days ago
R
Senior Relationship Manager, Real Estate, SME- EN
RBC
Blainville, QC
- Full-time
…deliver solutions specific for individual needs. This is a senior role in which your highly developed experience with financial analysis, credit, and client acquisition takes centre stage.…
Added 14 days ago
SH
Personal Support Worker
SE Health
Toronto, ON · Scarborough, ON
- Full-time
…our work. As a social enterprise, we support research into Senior’s Health and…
Added 14 days ago
SH
Clinical Practice Coach
SE Health
Oshawa, ON
- Full-time
…our work. As a social enterprise, we support research into Senior’s Health and…
Added 14 days ago
S
Product Manager - SOTI MobiControl
SOTI
Mississauga, ON
- $110,000 to $130,000 CAD / year
- Full-time
…most importantly, be part of a winning team. As the successful Senior Product Manager, you will be responsible for taking ownership of the product line life cycle from strategic planning to…
Added 14 days ago
BV
Senior Product Manager
Betstamp Ventures
Toronto, ON
- Full-time
4+ years in product management, with at least two shipping consumer products end to end, ideally web or mobile apps with payments or subscriptions
Added 14 days ago
FI
Senior Product Designer
Fellow Insights Inc.
Remote, Canada
- $130,000 to $160,000 CAD / year
- Full-time
- Remote
Adapt experiences across web, desktop, mobile, and our Chrome Extension.
Added 14 days ago
Director, Product Design - Global Wealth Management
Scotiabank
ON · Ottawa, ON
…accessible, and technically feasible experiences across web, native mobile, and other relevant…
Added 14 days ago
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Sr. React Native Engineer | US/Canada
Pack.com
Remote, Canada
- Remote
You must have shipped and maintained native mobile builds on the App Store and Google Play
Added 14 days ago
WT
Senior Angular Developer
Wissen Technology
Montreal, QC
- Full-time
…Automation, Multi-Cloud & Hybrid Cloud Strategies, Cross-Platform Mobile Experiences, CI/CD-Powered Agile DevOps, Automated Quality Engineering, and cutting-edge…

Closed listing

Lotus IT Solutions

Software Developer - Back End

Toronto, ON, Canada

Contract

This opening has closed.

The original listing is kept below for reference.

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About employer

Job details

Job type: Contract
Closing date: Nov 29, 2026
Posting language: English
Posted: Oct 30, 2026

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Original job description

Archived listing. The details below describe a past opening.

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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.

About employer

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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Jobs in Canada