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Added 9 hours ago
M
RQ11825 - Software Developer - Senior
Maarut
Toronto, ON
- Contract
Demonstrated work experience on Java and Oracle Application
Added 11 hours ago
C
Sr. Consultant, Back End Developer- Java/Golang/Kubernetes
CIBC
Toronto, ON
- Full-time
…involving multiple back-end systems. As a Sr. Consultant, Back End Developer Java/Golang/Kubernetes, you will build, implement and maintain flexible and modular solutions that enhance the…
Added 11 hours ago
SM
RQ11738 – Software Developer – Full Stack – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
We are seeking a Senior Full Stack Software Developer with extensive experience designing, developing, integrating, testing, deploying, and maintaining large-scale enterprise web…
Added 13 hours ago
S
Enterprise Architect – AI, Data & Cloud
Synechron
Mississauga, ON
- $180,000 to $200,000 CAD / year
- Full-time
…Underwriting, mobile-first applications and more. Over the last 20+ years, our company has been honored with multiple employer awards, recognizing our commitment to our talented teams. With…
Added 14 hours ago
Sr Staff. Software Engineer
Kaseya Careers
Toronto, ON
10+ years of software engineering experience in a production environment
Added 16 hours ago
YC
JEE Developer, senior
Yoush Consulting
Toronto, ON
- Full-time
We require multiple Java developers with experience in application vulnerability issues and Websphere middleware. This is for a client in the public sector. Please contact us urgently if…
Added 22 hours ago
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Pega Smart Dispute Developer
Virtusa
Toronto, ON
- Full-time
Job Summary: We are seeking a Senior Pega Smart Dispute Developer with 7 years of hands-on experience to design, build, and maintain enterprise dispute and fraud processing applications…
Added 22 hours ago
V
Pega Smart Dispute Developer
Virtusa
Toronto, ON
- Full-time
Job Summary: We are seeking a Senior Pega Smart Dispute Developer with 7 years of hands-on experience to design, build, and maintain enterprise dispute and fraud processing applications…
Added 1 day ago
LI
Senior Software Developer - Full Stack
Lotus IT Solutions
Toronto, ON
- Contract
10+ years of experience designing and developing large-scale, multi-client web applications, or equivalent depth of senior development experience.
Added 1 day ago
LI
Senior Software Developer - Full Stack
Lotus IT Solutions
Toronto, ON
- Contract
10+ years of experience designing and developing large-scale, multi-client web applications, or equivalent depth of senior development experience
Added 1 day ago
SM
RQ11737 – Software Developer – Full Stack – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
We are seeking a Senior Software Developer – Full Stack with extensive experience designing and developing large-scale, multi-client web applications, Java-based enterprise solutions, REST…
Added 1 day ago
SM
RQ11738 – Software Developer – Full Stack – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
We are seeking a Senior Full Stack Software Developer with extensive experience designing, developing, integrating, testing, deploying, and maintaining large-scale enterprise web…
Added 1 day ago
SM
RQ11737 – Software Developer – Full Stack – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
We are seeking a Senior Software Developer – Full Stack with extensive experience designing and developing large-scale, multi-client web applications, Java-based enterprise solutions, REST…
Added 1 day ago
SM
RQ11738 – Software Developer – Full Stack – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
We are seeking a Senior Full Stack Software Developer with extensive experience designing, developing, integrating, testing, deploying, and maintaining large-scale enterprise web…
Added 1 day ago
SM
RQ11738 – Software Developer – Full Stack – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
We are seeking a Senior Full Stack Software Developer with extensive experience designing, developing, integrating, testing, deploying, and maintaining large-scale enterprise web…
Added 1 day ago
SM
RQ11737 – Software Developer – Full Stack – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
We are seeking a Senior Software Developer – Full Stack with extensive experience designing and developing large-scale, multi-client web applications, Java-based enterprise solutions, REST…
Added 1 day ago
BC
Technical Lead - Web/Mobile
BrainRidge Consulting
Toronto, ON
- Full-time
10+ years of software development experience across web and mobile, with 3+ years in a Technical Lead, Application Architect, or Solution Architect role; experience in banking or financial…
Added 1 day ago
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Manager, Software Delivery Developer - Gen AI and AI-Accelerated Modernization
Toast
Montreal, QC
- $103,000 to $150,000 USD / year
- Full-time
7+ years of experience designing, building, and delivering software solutions
Added 1 day ago
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Principal Software Development Engineer
Workday
Vancouver, BC · Canada, BC, Vancouver
- Full-time
10+ years of experience in software engineering
Added 1 day ago
2I
Senior Software Developer - Full Stack
2iSolutions Inc.
Toronto, ON
- Contract
Our Toronto-based client is hiring a Senior Full Stack Software Developer for an 11-month onsite contract.
Added 1 day ago
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Java Software Engineer
Collabera
Mississauga, ON
- $65 to $80 USD / hour
- Full-time
We are looking for a Senior Java Developer with 5 to 10+ years of experience in Java development. The candidate should have strong experience building distributed, service-oriented,…
Added 1 day ago
BS
Senior Java Developer (FinTech & Payment Technologies)
Brainhunter Systems Ltd
ON · Ontario, Canada
- Contract
Job Role/Title: Senior Java Developer (Banking Applications Development)
Added 1 day ago
CI
Full Stack Java Developer (Contract)
CoreFactor Inc.
Toronto, ON · North York (Hillcrest Village), Ontario
- Contract
with at least two years of experience as a technical lead providing hands-on
Added 1 day ago
C
Full Stack Java Developer (Contract)
CoreFactor
Toronto, ON · North York, ON
- Contract
As a senior developer, you will be joining a special team, expanding our banking platform. You will be contributing to the development of world-class products and experiences touching…
Added 1 day ago
M
Senior Android Developer
MapsPeople
Richmond Hill, ON
- Full-time
8–10 years of professional Android development experience, with deep expertise in Kotlin and Java and experience working within large, complex Android codebases.

Lotus IT Solutions

Senior Software Developer - Full Stack

Toronto, ON, Canada

Contract

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Job details

Job type: Contract
Apply by: Nov 25, 2026
Experience: 10+ years of experience designing and developing large-scale, multi-client web applications, or equivalent depth of senior development experience
Posting language: English
Posted: Oct 26, 2026

Original job description

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Ref: RQ11739 Contract – 11 Months (Extension Possible) Onsite – Toronto (222 Jarvis St. 5th Floor)

Posted Date: 2026-10-26

Location: Onsite – Toronto (222 Jarvis St. 5th Floor)

Public Sector Experience: Required – OPS / Public Sector

Contract End Date: 2027-09-28 *

Rate: $103/hour

Overview

The Government Services Integration Cluster (Ministry of Public and Business Service Delivery and Procurement) is seeking a Senior Software Developer – Full Stack to design, develop, integrate, and maintain enterprise platform capabilities across all application layers. Working alongside architects, product managers, UX designers, QA specialists, DevOps engineers, and ministry partners, the successful candidate will build reusable platform services that support multiple government programs while onboarding registries, permitting, payments, notifications, identity, and other business-facing functions. This is a technically hands-on leadership role requiring deep full-stack expertise and a commitment to secure, scalable, and maintainable software delivery.

Key Responsibilities

Design, develop, and maintain frontend, backend, API, integration, workflow, middleware, and data-access components using approved patterns and standards
Build and maintain Java-based microservices, REST APIs, RESTful web services, and reusable platform services supporting multiple government programs
Translate approved technical specifications into working, tested, secure, and maintainable enterprise platform applications
Develop detailed programming specifications; write, compile, debug, document, and unit test application code
Develop and maintain database objects, queries, data transformations, conversion routines, and integration components using relational and hierarchical database technologies
Implement security gateways and protocols including identity, access management, JSON Web Tokens, OAuth 2.0, SSL certificates, and secure communications
Create and maintain automated unit, integration, API, database, and user-interface tests
Participate in design walkthroughs, impact assessments, code reviews, estimation, backlog refinement, sprint planning, and technical decision-making
Review, analyze, and modify build, configuration, and deployment scripts including coding, testing, and debugging
Resolve and troubleshoot technical problems arising during development, implementation, migration, deployment, and production operations
Provide post-implementation support, resolve production issues, and improve application performance, reliability, and maintainability
Prepare and maintain user, system, technical, deployment, and support documentation

Must-Have Requirements

10+ years of experience designing and developing large-scale, multi-client web applications, or equivalent depth of senior development experience
Extensive hands-on Java development experience with Oracle, SQL, or comparable relational database technologies
Significant experience designing and developing REST APIs and RESTful web services
Proven experience with microservice architecture and applying core architecture principles to improve extensibility and maintainability
Experience with object-oriented coding practices, current design patterns, refactoring, clean code, and structured development methodologies
Experience with relational and hierarchical database technologies, query languages, SQL tuning, and data-access components
Experience implementing security gateways and protocols including JSON Web Tokens, OAuth 2.0, and SSL certificates
Experience with middleware, gateways, communications protocols, enterprise integrations, and data migration or conversion activities
Experience using Azure DevOps or comparable tools for work management, source control, build, testing, and deployment pipelines
Experience translating technical specifications into working applications using Agile delivery approaches and automated testing practices
Experience conducting design walkthroughs, code reviews, impact assessments, and technical troubleshooting
Experience providing implementation, conversion, migration, and post-implementation support for complex applications

Nice-to-Have Skills

Experience eliciting and documenting requirements from diverse business stakeholders, subject-matter experts, and architects
Strong written and verbal communication, analytical, and systematic problem-solving skills
Demonstrated ability to lead or participate in design walkthroughs and work effectively with cross-functional technical and business teams
Experience working within Ontario Public Sector or comparable large-scale government technology environments

Work Environment

This is a fully onsite role based at 222 Jarvis St., 5th Floor, Toronto, Ontario, with a 5-days-per-week in-office requirement. No security clearance is required. The team follows Agile delivery methodologies and collaborates closely with architects, UX designers, DevOps engineers, QA specialists, and ministry partners throughout the software development lifecycle.

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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, integrate, and maintain secure, scalable full-stack applications, Java microservices, REST APIs, and reusable platform services for government programs. Lead and contribute to testing, code reviews, deployment, production support, performance improvements, and technical documentation.

Requirements

Requires 10+ years of senior software development experience, extensive hands-on Java and relational database expertise, and proven experience with REST APIs, microservices, security protocols, and enterprise integrations. Candidates must also have experience with Agile delivery, automated testing, Azure DevOps or comparable tools, technical reviews, troubleshooting, and post-implementation support.

Skills

Java
Full-Stack Development
Microservices
REST APIs
Oracle
SQL
Relational Databases
Hierarchical Databases
OAuth 2.0
JSON Web Tokens
SSL Certificates
Azure DevOps
Automated Testing
Agile Delivery
Enterprise Integration
Technical Troubleshooting

Visa sponsorship

Not detected in the job text

Keywords

Java
Full-Stack Development
Microservices
REST APIs
RESTful Web Services
Oracle
SQL
Relational Databases
Hierarchical Databases
JSON Web Tokens
OAuth 2.0
SSL Certificates
Azure DevOps
Source Control
Build Pipelines
Deployment Pipelines
Automated Testing
Agile
Object-Oriented Programming
Design Patterns
Clean Code
Middleware
Enterprise Integration
Data Migration
Data Conversion
Ontario Public Sector
Government Technology
API Testing
Database Testing
User-Interface Testing

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