Senior Full Stack Engineer (AI Focus)

Mission.dev; Canada; On-site; CAD 120,000 - 180,000; Full time

Job summary

Mission.dev in Canada is seeking a Senior Full Stack Engineer to lead the development of an AI-integrated web application, architecting backend services in Python and frontend in Next.js.

You will own end-to-end delivery, collaborate across teams to define specs, and ensure high performance across digital platforms while integrating with enterprise systems. This role offers a chance to shape scalable solutions within a large, multi-brand retail technology environment.

Qualifications

• 8+ years of professional experience in full-stack software engineering.
• Strong proficiency in TypeScript and React.
• Hands-on experience with Next.js and Python.
• Experience developing with AI technologies and autonomous agents.

Responsibilities

• Architect and develop a new web application using Next.js and Python to support advanced AI initiatives.
• Implement autonomous agents and AI-driven features to improve system automation and user interaction.
• Collaborate with cross-functional teams to define project requirements and technical specifications for intelligent tools.
• Design and maintain scalable backend services and APIs to ensure seamless data flow and high performance.
• Optimize frontend components for maximum speed and scalability across diverse digital platforms.
• Integrate modern AI frameworks into existing workflows to drive operational efficiency and service quality.

Skills

TypeScript

React

Java

Next.js

AI

Tools

Python

Job description

Region: Canada, United States of America

This large-scale retail and home services enterprise operates a portfolio of well-known consumer brands across North America. The organization integrates physical retail locations with expansive digital platforms to provide home merchandise, appliance repair, and maintenance services. It focuses on leveraging technology to modernize traditional retail and service models, delivering essential home solutions to a broad customer base through an integrated service network.

Nice to have skills: TypeScript, React, Java

About the Role

As a Senior Full Stack Engineer, you will lead the development of a specialized application focused on integrating artificial intelligence and autonomous agents. You will take ownership of the end-to-end development process, from architecting scalable backend services in Python to crafting high-performance frontends using Next.js. This role offers the opportunity to drive innovation within a dedicated project team, creating intelligent solutions that enhance the digital ecosystem of a major integrated service provider while ensuring seamless integration with existing enterprise systems.

What You'll Do

• Architect and develop a new web application using Next.js and Python to support advanced AI initiatives.
• Implement autonomous agents and AI-driven features to improve system automation and user interaction.
• Collaborate with cross-functional teams to define project requirements and technical specifications for intelligent tools.
• Design and maintain scalable backend services and APIs to ensure seamless data flow and high performance.
• Optimize frontend components for maximum speed and scalability across diverse digital platforms.
• Integrate modern AI frameworks into existing workflows to drive operational efficiency and service quality.

What You Bring

• 8+ years of professional experience in full-stack software engineering.
• Strong proficiency in TypeScript and React.
• Hands-on experience building applications with the Next.js framework.
• Demonstrated experience developing with AI technologies and autonomous agents.

Nice to Haves

• Professional experience with Java and enterprise system integration.
• Experience working in distributed teams across the US, Canada, or LATAM.

About Your Mission

Dedicated to developing and implementing cutting-edge solutions that drive technological advancement across the organization. By leveraging the latest tools, frameworks, and methodologies, the team continuously explores new opportunities to enhance system performance, streamline processes, and solve complex challenges.

About The Client

Leading integrated retailer focused on seamlessly connecting the digital and physical shopping experiences to serve our members.