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Added 11 mins ago
HM
Emergency Medicine
Health Match BC
Kamloops, BC
- Full-time
…relationship with Hospital Administration maximizes opportunities for job satisfaction and quality of…
Added 11 mins ago
HM
Emergency Medicine
Health Match BC
Kamloops, BC
- Full-time
…relationship with Hospital Administration maximizes opportunities for job satisfaction and quality of…
Added 11 mins ago
HM
Emergency Medicine
Health Match BC
Kamloops, BC
- Full-time
…relationship with Hospital Administration maximizes opportunities for job satisfaction and quality of…
Added 11 mins ago
HM
Emergency Medicine
Health Match BC
Kamloops, BC
- Full-time
…relationship with Hospital Administration maximizes opportunities for job satisfaction and quality of…
Added 11 mins ago
HM
Emergency Medicine
Health Match BC
Kamloops, BC
- Full-time
…relationship with Hospital Administration maximizes opportunities for job satisfaction and quality of…
Added 12 mins ago
E
Personal Support Worker (PSW)
Extendicare
ON · Timmins, ON · Iroquois Falls, ON · Kirkland Lake, ON · Englehart, ON · Cochrane, ON · Matheson, ON · ParaMed - Timiskaming (Second St E.)
- Part-time
…and long-term career growth. Your recruiter can provide more details about our total rewards offerings during the hiring…
Added 12 mins ago
E
Personal Support Worker
Extendicare
North Bay, ON · Burk's Falls, ON · Trout Creek, ON · ParaMed - North Bay (McIntyre St.)
- Part-time
…and long-term career growth. Your recruiter can provide more details about our total rewards offerings during the hiring…
Added 12 mins ago
E
Personal Support Worker
Extendicare
Oshawa, ON · Ajax, ON · Pickering, ON · Port Perry, ON · ParaMed Admin Office - CE (King St.)
- Full-time
…and long-term career growth. Your recruiter can provide more details about our total rewards offerings during the hiring…
Added 12 mins ago
E
Personal Support Worker
Extendicare
Toronto, ON · ParaMed Admin Office - Toronto (University Ave.)
- Full-time
…and long-term career growth. Your recruiter can provide more details about our total rewards offerings during the hiring…
Added 26 mins ago
AL
Maintenance Associate (Residential Property)
Avenue Living Residential
Bonnyville, AB
- Full-time
Have a safety-first attitude by completing all requested training by deadline and focus on maintaining a clean and safe job site and the ability to identify risks and hazards.
Added 26 mins ago
GC
Food Service Associate, Part Time
Group Compass Ltee
Oshawa, ON
- Part-time
…comply with all applicable pay transparency legislation. Further details regarding our total rewards offerings will be shared by the Talent Acquisition team during the hiring process.…
Added 26 mins ago
C
Coffee and Vending/Hybrid Route Driver Full Time
canteen
Port Coquitlam, BC
- Full-time
Provide client and customer satisfaction in every aspect of job performance.
Added 26 mins ago
C
Vending and Coffee Route Person Full Time
canteen
Toronto, ON · SCARBOROUGH, ON
- Full-time
Provide client and customer satisfaction in every aspect of job performance.
Added 26 mins ago
CC
Retail Store Manager
Canna Cabana
Regina, SK · Victoria Square, Regina, SK
- Full-time
Additional points: The job posting reflects the general details considered necessary to describe the principal functions and duties as required for proper evaluation of the job. There may…
Added 42 mins ago
Production Operator - Blender
Sherwin-Williams
Langley (District), BC · Langley, BC
Set aside 15 minutes to create your profile by entering or importing your details from one of our job board partners
Added 56 mins ago
SC
barista - Store# 04201, RUTLAND CROSSING
Starbucks Coffee Company
Kelowna, BC
- Full-time
…opportunities for paid time off. Visit starbucksbenefits.ca for…
Added 56 mins ago
SC
barista - Store# 04972, HWY 97 & RIVERSIDE DR
Starbucks Coffee Company
Penticton, BC
- Full-time
…opportunities for paid time off. Visit starbucksbenefits.ca for…
Added 1 hour ago
Seasonal Ambassador - Robson Street
Lush Handmade Cosmetics
Vancouver, BC
Best of luck on your job search, and don't forget to follow us to learn more!
Added 1 hour ago
Seasonal Ambassador - Midtown Plaza
Lush Handmade Cosmetics
Saskatoon, SK
Best of luck on your job search, and don't forget to follow us to learn more!
Added 1 hour ago
WI
Project Manager, Transportation Engineering
WSP in Canada
Langley (District), BC · City of Langley, BC
- Full-time
…business or organisational needs. The wage range provided in this job posting may be subject to change for business…
Added 1 hour ago
SH
Part-time Infusion Nurse (Etobicoke, ON, on-site)
Sentrex Health Solutions
Toronto, ON
- Part-time
Added 1 hour ago
DC
Schelling Operator
Decor Cabinets Ltd
Morden, MB
- Full-time
Operating a a machine that uses programs for the job.
Added 1 hour ago
GC
Cook Full Time
Group Compass Ltee
Toronto, ON
- Full-time
…comply with all applicable pay transparency legislation. Further details regarding our total rewards offerings will be shared by the Talent Acquisition team during the hiring process.…
Added 1 hour ago
VC
Patient Care Aide, Bella Bella
Vancouver Coastal Health
Bella Bella 1, BC
- $31.64 CAD / hour
- Full-time
Added 1 hour ago
ML
Sous Chef
MAPLE LEAF LOUNGE
Toronto, ON
- Full-time
…comply with all applicable pay transparency legislation. Further details regarding our total rewards program will be shared by the Talent Acquisition team during the hiring process.…

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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