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Added 1 day 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 1 day ago
BI
Senior Java Microservices Developer
BURGEON IT SERVICES
Toronto, ON
- Contract
Job Title: Senior Java Microservices Developer
Added 2 days ago
I-
Senior Full Stack Developer
I8IS - Infiniti Software Solutions
Toronto, ON
- Full-time
10+ years of experience designing and developing large-scale, multi-client web applications or equivalent senior-level development experience.
Added 2 days 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 2 days ago
RB
Senior Manager, Engineer & Build
Royal Bank of Canada
Toronto, ON
- Full-time
Experience depth: 10+ years in engineering delivering production pipelines and distributed systems at scale; 2–4+ years leading engineers with a proven balance of hands-on and people…
Added 2 days ago
SM
RQ11657 – Software Developer – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
We are seeking a Senior Software Developer / Technical Lead with extensive experience in enterprise application development, Microsoft Dynamics 365, Power Platform, Azure, Dataverse, Java,…
Added 2 days ago
RB
Senior Full Stack Developer
Royal Bank of Canada
Burlington, ON
- Full-time
…revolutionizing payment solution for businesses. We're seeking a talented Senior Full Stack Developer to help design, develop, and maintain our secure and high-performing digital platform.…
Added 2 days ago
J
Senior Full Stack Software Developer – Java / Angular
Joblinxsapp
Toronto, ON
- Full-time
The successful candidate will have 10+ years of programming and software development experience in Java and/or Angular, with demonstrated expertise in enterprise application development,…
Added 2 days ago
Y
Lead Backend Developer
Yochana
Brampton, ON
- Contract
We are seeking a proficient 8 to 10 Years of Java Backend Senior Developer in Java Spring Boot.
Added 2 days ago
TC
SENIOR JAVA DEVELOPER
TMC Canada
Montreal, QC
- Full-time
SENIOR JAVA DEVELOPER - PAYMENTS AND CASH MANAGEMENT
Added 2 days ago
R
Senior Full Stack Developer
RBC
Burlington, ON
- Full-time
…revolutionizing payment solution for businesses. We're seeking a talented Senior Full Stack Developer to help design, develop, and maintain our secure and high-performing digital platform.…
Added 2 days ago
AS
Lead Backend Developer
Ardent SoftSol Inc.
Brampton, ON
- Contract
We are seeking a proficient 8 to 10 years Java Backend Senior Developer in Java Spring Boot.
Added 2 days ago
T
Lead Backend Developer
TechDoQuest
Brampton, ON
- Contract
We are seeking a proficient 8 to 10 years Java Backend Senior Developer in Java Spring Boot.
Added 2 days ago
SL
Senior Software Engineer, Operations – Core Java & iOS focus
Sun Life
Toronto, ON · Waterloo, ON · Sun Life Waterloo King
- Full-time
We are looking for a Senior Software Engineer with strong full-stack Java experience and hands-on iOS development skills. You will develop and support reliable applications across the web,…
Added 3 days ago
NB
Chief Solution Architect
National Bank of Canada
Montreal, QC
- Full-time
Bachelor's degree in a related field and 7 to 10 years of relevant experience.
Added 3 days ago
SM
RQ11556 – Software Developer – Full Stack – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
We are seeking a Senior Full Stack Software Developer with 10+ years of programming and development experience in Java and/or Angular. The ideal candidate will have strong expertise in…
Added 3 days ago
LI
Full Stack Software Developer (Java/React)
Lotus IT Solutions
Toronto, ON
- Contract
Minimum 7 years of software development experience including enterprise application delivery, with hands-on proficiency in Java, Spring Boot, Apache Tomcat, and Oracle/SQL databases
Added 3 days ago
SM
RQ11556 – Software Developer – Full Stack – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
We are seeking a Senior Full Stack Software Developer with 10+ years of programming and development experience in Java and/or Angular. The ideal candidate will have strong expertise in…
Added 3 days ago
SM
RQ11556 – Software Developer – Full Stack – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
We are seeking a Senior Full Stack Software Developer with 10+ years of programming and development experience in Java and/or Angular. The ideal candidate will have strong expertise in…
Added 3 days ago
SM
RQ11658 – Software Developer – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
We are seeking a Senior Software Developer with strong technical leadership and hands-on experience in enterprise application development, Microsoft Dynamics 365, Power Platform, Azure,…
Added 3 days ago
SM
RQ11721 – Software Developer – Intermediate
S M Software Solutions Inc
Toronto, ON
- Internship
5+ years of experience developing complex enterprise or public-facing applications.
Added 3 days ago
SM
RQ11721 – Software Developer – Intermediate
S M Software Solutions Inc
Toronto, ON
- Internship
5+ years of experience developing complex enterprise or public-facing applications.
Added 3 days ago
SM
RQ11657 – Software Developer – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
We are seeking a Senior Software Developer / Technical Lead with extensive experience in enterprise application development, Microsoft Dynamics 365, Power Platform, Azure, Dataverse, Java,…
Added 3 days ago
SM
RQ11657 – Software Developer – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
We are seeking a Senior Software Developer / Technical Lead with extensive experience in enterprise application development, Microsoft Dynamics 365, Power Platform, Azure, Dataverse, Java,…
Added 3 days ago
SM
RQ11657 – Software Developer – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
We are seeking a Senior Software Developer / Technical Lead with extensive experience in enterprise application development, Microsoft Dynamics 365, Power Platform, Azure, Dataverse, Java,…

Lotus IT Solutions

Senior Software Developer - Full Stack

Toronto, ON, Canada

Contract

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Job details

Job type: Contract
Apply by: Nov 21, 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 22, 2026

Original job description

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Ref: RQ11737 Contract – 11 Months (Extension Possible) Onsite – Toronto (222 Jarvis St. 5th Floor)

Posted Date: 2026-10-22

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, test, deploy, and maintain enterprise platform capabilities across the full technology stack. Working alongside architects, product managers, UX designers, QA specialists, DevOps engineers, and ministry partners, the successful consultant will build secure, scalable, and maintainable platform services that support multiple government programs and enable the onboarding of registries, permitting, payments, notifications, identity, and other business-facing functions.

Key Responsibilities

Translate approved technical system specifications into working, tested, secure, and maintainable enterprise platform applications.
Design, write, compile, debug, document, and unit test application code; develop detailed programming and design specifications.
Design and develop 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, Internet-ready applications, and reusable platform services.
Develop and maintain database objects, queries, data transformations, conversion routines, and integration components using relational or 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, code reviews, impact assessments, estimation, backlog refinement, sprint planning, and technical decision-making.
Review, analyse, and modify build, configuration, and deployment scripts, including coding, testing, and debugging.
Resolve and troubleshoot technical problems arising during development, implementation, deployment, and production operations.
Collaborate with business analysts, architects, UX designers, testers, DevOps engineers, and security specialists throughout the software development lifecycle.
Prepare and maintain user, system, technical, deployment, and support documentation, and provide post-implementation and production support.

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, RESTful web services, and microservice architecture.
Experience developing Internet-ready applications using Agile delivery approaches and structured development methodologies.
Experience with object-oriented coding practices, current design patterns, refactoring, and clean code principles.
Experience translating technical system specifications into working applications, including programming, compilation, debugging, documentation, and unit testing.
Experience with relational and hierarchical database technologies, SQL tuning, and data-access components.
Experience with security gateways and protocols including JSON Web Tokens, OAuth 2.0, and SSL certificates.
Experience with middleware, 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 conducting design walkthroughs, code reviews, impact assessments, and technical troubleshooting.

Nice-to-Have Skills

Experience eliciting and documenting requirements from diverse business stakeholders, subject-matter experts, architects, and IT professionals.
Experience providing implementation, conversion, migration, and post-implementation support for complex enterprise applications.
Strong written and verbal communication, analytical, problem-solving, and interpersonal skills with the ability to lead or participate in design walkthroughs.

Work Environment

This is a fully onsite role based at 222 Jarvis St., 5th Floor, Toronto, Ontario (5 days per week onsite). No security clearance is required. The team follows Agile delivery practices and collaborates closely across development, architecture, QA, DevOps, and ministry stakeholder groups 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, test, deploy, and maintain secure, scalable full-stack enterprise platform applications, including Java microservices, REST APIs, integrations, and database components. Collaborate across development and ministry teams on technical design, code reviews, troubleshooting, documentation, and production support.

Requirements

Requires 10+ years of senior development experience, extensive hands-on Java and relational database experience, and strong expertise in 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, and troubleshooting.

Skills

Java
Oracle
SQL
REST APIs
Microservices
Relational Databases
Hierarchical Databases
JSON Web Tokens
OAuth 2.0
SSL Certificates
Azure DevOps
Agile Delivery
Object-Oriented Programming
Enterprise Integration
Automated Testing
CI/CD Pipelines

Visa sponsorship

Not detected in the job text

Keywords

Java
Oracle
SQL
REST APIs
RESTful Web Services
Microservices
Enterprise Applications
Full-Stack Development
Frontend Development
Backend Development
Relational Databases
Hierarchical Databases
SQL Tuning
JSON Web Tokens
OAuth 2.0
SSL Certificates
Azure DevOps
Agile
Object-Oriented Programming
Design Patterns
Clean Code
Automated Testing
CI/CD Pipelines
Middleware
Enterprise Integration
Data Migration
Data Conversion
Government Services
Public Sector
Production Support

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