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Added 3 hours ago
SM
RQ00795 – Software Developer – Senior
S M Software Solutions Inc
Toronto, ON
- Full-time
We are seeking a Senior Software Developer with strong experience in Microsoft Visual Studio (.NET) MVC, SQL Server, Microsoft Azure, Python, Django, AWS, Celery, GraphQL, and REST APIs.…
Added 3 hours ago
SM
RQ11740 – DevOps/Cloud Engineer – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
…controls, secrets management, and operational tooling needed to support reliable delivery across development, testing, staging, and production…
Added 3 hours ago
SM
RQ11485 – Data Architect/Modeller – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
Develops and implements the data architecture for application development in a complex and distributed environment, including determining the flow and distribution of data, the location of…
Added 3 hours ago
SM
RQ00795 – Software Developer – Senior
S M Software Solutions Inc
Toronto, ON
- Full-time
We are seeking a Senior Software Developer with strong experience in Microsoft Visual Studio (.NET) MVC, SQL Server, Microsoft Azure, Python, Django, AWS, Celery, GraphQL, and REST APIs.…
Added 3 hours ago
LI
Senior Software Developer - Full Stack
Lotus IT Solutions
Toronto, ON
- Contract
…Service Delivery and Procurement) is seeking a Senior Software Developer – Full Stack to design, develop, integrate, and maintain enterprise platform capabilities across all application…
Added 3 hours ago
SM
RQ00795 – Software Developer – Senior
S M Software Solutions Inc
Toronto, ON
- Full-time
We are seeking a Senior Software Developer with strong experience in Microsoft Visual Studio (.NET) MVC, SQL Server, Microsoft Azure, Python, Django, AWS, Celery, GraphQL, and REST APIs.…
Added 3 hours ago
E1
Hiring Now! Entry-Level English Teacher (ESL) | No Experience Needed
English 1
Orleans, ON
- Full-time
…into international teaching. We will provide you with full support and…
Added 3 hours 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 3 hours ago
LI
Data Architect/Modeller
Lotus IT Solutions
Toronto, ON · Greater Toronto Area, Canada
- Contract
Develop and implement data architecture for application development in complex and distributed environments, including data flow, database locations, and data access methods
Added 3 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 3 hours ago
SM
RQ10575 – Software Developer – ETL – Senior
S M Software Solutions Inc
Toronto, ON
- Full-time
We are seeking a Senior Software Developer – ETL with extensive experience in data migration, ETL development, data conversion, database technologies, and digital transformation…
Added 3 hours ago
SM
RQ11736 – Software Developer – Front End – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
We are seeking a Senior Software Developer – Front End with extensive experience designing, developing, testing, deploying, and maintaining large-scale, multi-client, Internet-ready web…
Added 3 hours ago
SM
RQ11736 – Software Developer – Front End – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
We are seeking a Senior Software Developer – Front End with extensive experience designing, developing, testing, deploying, and maintaining large-scale, multi-client, Internet-ready web…
Added 3 hours ago
SM
RQ00762 – Systems Analyst – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
…design, technical documentation, implementation, integration, and support activities for large-scale, business-critical enterprise applications, working closely with developers and business…
Added 3 hours ago
SM
RQ10575 – Software Developer – ETL – Senior
S M Software Solutions Inc
Toronto, ON
- Full-time
We are seeking a Senior Software Developer – ETL with extensive experience in data migration, ETL development, data conversion, database technologies, and digital transformation…
Added 3 hours 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 3 hours ago
SM
29954-RFR-DTS-071 – Project Manager
S M Software Solutions Inc
Winnipeg, MB
- Full-time
Through the application of appropriate management techniques, the Project Manager will lead and manage the efforts of the Project Team to achieve the project's objectives and meet project…
Added 3 hours ago
RL
Electronics Technician II
Rocket Lab
Toronto, ON
- Full-time
…leading role in the design and implementation of electrical support equipment for spacecraft components, including reaction wheels and star trackers. This role also supports the continuous…
Added 3 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 3 hours ago
SM
RQ00762 – Systems Analyst – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
…design, technical documentation, implementation, integration, and support activities for large-scale, business-critical enterprise applications, working closely with developers and business…
Added 3 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 3 hours ago
EG
Route Supervisor
Emterra Group
Barrie, ON · Greater Barrie Metropolitan Area
- Full-time
Please note that AI may be used to support the application review process; however, all applications are reviewed by our Human Resources Team.
Added 3 hours ago
SM
29954-RFR-DTS-071 – Project Manager
S M Software Solutions Inc
Winnipeg, MB
- Full-time
Through the application of appropriate management techniques, the Project Manager will lead and manage the efforts of the Project Team to achieve the project's objectives and meet project…
Added 3 hours 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 3 hours ago
E1
Hiring Now! Entry-Level English Teacher (ESL) | No Experience Needed
English 1
Thorndale, ON
- Full-time
…into international teaching. We will provide you with full support and…

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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