Full Stack Engineer

GEI Consultants, Inc.; Guelph; Hybrid; CAD 90,000 - 130,000; Full time

Job summary

A leading engineering consultancy based in Ontario is seeking a Full Stack Engineer to develop both front-end and back-end components for AI-powered applications. The role requires expertise in React or Angular and .NET. Candidates should have a strong background in full stack development and be proficient in Microsoft Azure. This position offers competitive compensation ranging from CA$90,000 to CA$130,000 annually, along with a comprehensive benefits program and opportunities for professional growth.

Benefits

Market-Competitive Compensation

Comprehensive Benefits Program

Hybrid Work Schedules

Paid Parental Leave

Professional Development Opportunities

Qualifications

• 4+ years of experience in full stack application development.
• Proficiency in C# and .NET.
• Experience with front-end frameworks such as React.js or Angular.

Responsibilities

• Develop and maintain secure front-end and back-end application components.
• Build user-facing web interfaces using React or similar frameworks.
• Integrate Microsoft Graph APIs and related enterprise services.

Skills

Full stack application development

React or Angular

C#

Microsoft Azure

RESTful services

SQL Server

DevOps practices

Tools

Microsoft Azure

Node.js

Git

Job description

Location: Guelph, ON, Canada
Date Posted: Jan 13, 2026

The Full Stack Engineer is responsible for front-end development and back-end interconnection of solutions that support AI-powered applications and integrations across GEI. This role builds user-facing and backend components for AI-enabled solutions, including custom applications and Copilot extensibility, ensuring seamless integration, performance, and scalability.

The Full Stack Engineer plays a hands‑on delivery role in active AI Solutions Factory use cases by developing and maintaining application components, integrating AI services, and supporting secure, reliable deployment of AI-enabled applications within GEI’s technology environment.

Responsibilities

• Develop and maintain secure front‑end and back‑end application components.
• Build user‑facing web interfaces using React or similar frameworks and backend services using .NET or Node.
• Ensure seamless integration of AI solutions into applications and workflows.
• Integrate Microsoft Graph APIs and related enterprise services.
• Implement authentication and authorization using Entra ID, OAuth, and role‑based access controls.
• Optimize application performance, reliability, scalability, and observability.
• Support AI‑powered applications and integrations that enable Copilot extensibility and custom solutions.

Minimum Qualifications

• 4+ years of experience in full stack application development using React or Angular and .NET or Node/TypeScript.
• Proficiency in C# and .NET.
• Proficiency with Microsoft Azure and cloud‑native application development.
• Experience building and consuming RESTful services and microservices architectures.
• Knowledge of Microsoft Azure AI and integration of AI capabilities into applications.
• Experience with Azure services such as Web Apps, Logic Apps, Containers, Functions, API Management, and monitoring tools.
• Familiarity with SQL Server and Azure SQL.
• Experience with front‑end frameworks such as Angular, React.js, or Node.js.
• Understanding of DevOps tools and practices, including Git and Azure DevOps.
• Knowledge of secure coding practices, data privacy, and application security best practices.

About GEI

Some of the world’s most pressing problems – from climate change to sustainable development, to critical infrastructure and the future of our energy supply – need our brightest and diverse minds working together to create safer, more resilient communities for tomorrow.

We are technical experts, collaborators, and entrepreneurs who draw from diverse backgrounds to solve our clients’ most complex challenges.

With several offices across North America, we offer a range of engineering, science, and technical consulting services. Our range of expertise, project types, and culture make us the choice for top talent in the AEC industry.

Employee‑owned. Employee‑focused.

As an employee‑owned company, our employees support our flat leadership structure, have a say in how our business operates and benefit from our financial success. We are committed to employee growth with career development opportunities, competitive total rewards, a well‑being program, flexible work arrangements and more. Our company culture is driven by our 4 Cs – we are Client‑Centered, Curious, Collaborative, and Community Minded – which support our focus on sustainability, safety, diversity, equity and inclusion.

GEI’s Total Rewards Package

• Market‑Competitive Compensation, including Eligibility for an Annual Performance Bonus
• Pay Range For This Position: CA$90,000.00 – CA$130,000.00/year
• Comprehensive Benefits Program, including Medical, Dental, Vision, Life, Disability and More
• Well‑Being Program and Paid Parental Leave
• Hybrid Work Schedules and Cell Phone Stipends
• GEI University (GEIU) with Continuing Education Assistance and Tuition Reimbursement
• Connecting Conversation Program with a Focus on Professional Development and Opportunities for Advancement
• Support and Financial Rewards for Publication Awards, Professional Dues, and Professional Licenses
• Paid Holidays and Generous Paid Time Off Program
• Rewards and Recognition
• GEI‑Funded Profit Sharing and 401(k)
• Opportunity to be an Owner and Shareholder (Learn more here)
• A Vibrant Culture that is Focused on Partnership, Sustainability, Giving Back to Our Communities and Diversity, Equity and Inclusion

Equal Opportunity Employer

GEI is an AA/equal opportunity employer, including disabled and veterans.