Software Developer – Full Stack – Senior (RQ11399) Client: Ministry of Public and Business Service Delivery and Procurement Location: 222 Jarvis Street, Toronto, Ontario (Onsite) We are seeking a highly skilled Senior Full Stack Software Developer to support the design, development, integration, and delivery of enterprise-level digital solutions within a complex public-sector environment. The successful candidate will be responsible for building scalable, secure, and high-performing applications across the complete technology stack, including front-end development, back-end services, APIs, cloud platforms, databases, DevOps, and modern software architecture. The ideal candidate will have advanced experience with React/Next.js, Node.js, Python, FastAPI, .NET Core, C#, RESTful APIs, Azure cloud services, database technologies, CI/CD pipelines, and AI/ML solution development.

Experience with computer vision, machine learning models, and cloud-native architecture will be highly valued.

Role Snapshot Requisition ID: RQ11399 Job Title: Software Developer – Full Stack – Senior Client: Ministry of Public and Business Service Delivery and Procurement Work Location: 222 Jarvis Street, Toronto, Ontario (Onsite) Estimated Start Date: August 31, 2026 Estimated End Date: March 31, 2027 Contract Duration: 246 Business Days Extension: Probable after the initial mandate Work Schedule: 7.25 Hours per Day Security Clearance: No Clearance Required Mandatory Application Documents Interested candidates should submit the following to [email protected] by Monday, August 10 at 10:00 AM EST.

Required Documents Updated

Resume (Word Format) – Mandatory

Professional References – Mandatory

Expected Hourly Rate – Mandatory

Visa Status – Mandatory

LinkedIn Profile ID – Mandatory Applications without all mandatory documents cannot be processed.

Key Responsibilities Full Stack Application Development & Engineering Delivery (55%)

Design, develop, test, and maintain enterprise-grade web applications.

Translate technical specifications into fully tested software solutions.

Develop scalable front-end applications using:

React.js

Next.js

Node.js

Develop robust backend services using:

Python

FastAPI

.NET Core

C#

Design and implement RESTful APIs and application integrations.

Develop and maintain data pipelines involving:

Data extraction

Data transformation

Data loading processes

Create reusable, modular, and testable software components.

Implement responsive UI designs and modern user interface architectures.

Build applications optimized for

Performance

Scalability

Security

Maintainability

Perform coding, debugging, unit testing, and technical troubleshooting.

Support application deployment, migration, and production issue resolution.

Cloud, Database & DevOps Engineering





Develop and support cloud-based solutions using Microsoft Azure.

Design applications leveraging modern cloud architectures.

Implement CI/CD pipelines and automated deployment practices.

Work with Azure DevOps tools and Agile delivery platforms.

Design and optimize database solutions including:

Azure SQL Server

SQL Server

Oracle

Cosmos DB

Redis Cache

Perform database optimization activities including:

Query tuning

Stored procedures

Triggers

Functions

Encryption

Performance optimization

Utilize Azure Key Vault for secure secrets and configuration management.

Support container-based application packaging and deployment.

AI / Machine Learning Development (15%)

Design, integrate, and deploy AI/ML capabilities within enterprise applications.

Develop and train machine learning models using:

TensorFlow

PyTorch

Build computer vision solutions using:

OpenCV

Perform model evaluation and optimization using metrics including:

Accuracy

Precision

Detection performance

Support AI-driven automation and intelligent application enhancements.

Collaborate with technical teams on ML model integration and deployment.

Architecture & Solution Design (20%)

Participate in application architecture and technical solution design.

Design modern cloud-based architectures using:

Microservices

RESTful APIs

Serverless architecture patterns

Develop secure and scalable application solutions across:

Front-end layers

API services

Back-end systems

Database platforms

Define application integration patterns and technical standards.

Optimize application performance and state management.

Create reusable architecture components and frameworks.

Apply software design principles and enterprise architecture best practices.

Technical Leadership & Collaboration (10%)

Provide technical leadership within development teams.

Establish and promote engineering best practices.

Mentor developers and contribute to technical excellence.

Collaborate with

Product Managers

Business Analysts

UX Designers

Architects

Stakeholders

Participate in Agile ceremonies including:

Scrum

Kanban

Sprint planning

Technical reviews

Prepare technical documentation, assessments, and solution designs.

Demonstrate strong communication, analytical, and problem-solving skills.

Required Skills &





Experience Skill / Experience Requirement Senior Full Stack Development Experience Required React.js / Next.js / Node.js Advanced Python Development Advanced FastAPI REST API Development Required .NET Core Services / Web API Required C# Development Required RESTful API Design Required Responsive UI Architecture Required Azure Cloud Development Required Azure DevOps & CI/CD Required Database Design & Optimization Required Cloud Architecture Required Microservices Architecture Required AI/ML Development Preferred Computer Vision Experience Preferred Technical Skills & Tools Front-End Technologies React.js

Next.js

Node.js

JavaScript

HTML/CSS

Responsive Design Patterns

UX/UI Principles Backend Technologies Python

FastAPI

.NET Core

C#

REST APIs

SOAP Services Cloud & DevOps Microsoft Azure

Azure DevOps

CI/CD Pipelines

Azure Key Vault

Container Deployments Databases Azure SQL Server

SQL Server

Oracle

Cosmos DB

Redis Cache Security Technologies OAuth 2.0

JWT Authentication

Web Security Practices

Session Management AI/ML Technologies TensorFlow

PyTorch

OpenCV

Computer Vision

Machine Learning Model Evaluation Highly Desired Qualifications Experience delivering solutions for large government applications.

Ontario Public Sector (OPS) experience.

Experience with cloud-native enterprise applications.

Experience with Agile/Scrum/Kanban environments.

Strong knowledge of application architecture patterns.

Experience with Angular and modern JavaScript frameworks.

Experience with Java web technologies:

Tomcat

WebLogic

EJB

Servlet

Solid SQL development skills.

Experience with JIRA and Agile delivery tools.

Knowledge of Accessibility for Ontarians with Disabilities Act (AODA) standards.

Experience conducting technical walkthroughs and design reviews.

Ideal Candidate Profile The ideal candidate is a Senior Full Stack Developer with extensive experience delivering enterprise applications using modern technologies and cloud platforms. You have strong hands-on expertise across front-end, backend, APIs, databases, DevOps, architecture, and AI/ML integration. You are comfortable owning technical solutions, mentoring development teams, designing scalable architectures, and delivering secure applications within Agile enterprise environments.

How to Apply Please submit the following documents to [email protected] by Monday, August 10 at 10:00 AM EST: Updated Resume (Word Format) – Mandatory

References – Mandatory

Expected Hourly Rate – Mandatory

Visa Status – Mandatory

LinkedIn Profile ID – Mandatory Candidates without complete documentation cannot be submitted. If this opportunity is not suitable, please share it with qualified Senior Full Stack Developers, Cloud Application Developers, Software Architects, AI/ML Engineers, and Full Stack Engineers with expertise in React, Next.js, Python, FastAPI, .NET Core, Azure, REST APIs, DevOps, microservices, and AI-driven application development.

📌 Software Developer - Full Stack - Senior (Toronto)
🏢 S M Software Solutions
📍 Toronto