Senior AI-Native Full-Stack Engineer (Java + React)

Kaseya; Toronto; On-site; CAD 120,000 - 190,000; Full time

Job summary

Kaseya is seeking a Senior Full-Stack Software Engineer in Toronto, Canada, to join our AI-native engineering team. You’ll design and deliver Java/Spring backends and React/TypeScript frontends, while leveraging AI-assisted tools to accelerate development and ensure quality.

You’ll own features end-to-end across cloud-based SaaS applications, mentor peers, and contribute to architecture decisions. This role emphasizes reliability, security, and scalable software delivery in a fast-growing

Qualifications

• 7+ years of software engineering experience building and supporting production SaaS or enterprise applications.
• 4+ years of production Java and Spring experience, with React and TypeScript frontend.
• Experience designing APIs, data models, integrations, and distributed or event-driven systems.
• Experience building and operating applications on AWS, Azure, or GCP, with automated delivery and production support.
• Practical experience using AI-assisted coding tools for implementation, testing, debugging, refactoring, documentation, or codebase analysis.
• Strong engineering judgment: explain trade-offs, diagnose problems, and deliver maintainable solutions.
• Demonstrated ownership of complex features and cross-functional collaboration.

Responsibilities

• Deliver full-stack capabilities: Design and build Java/Spring services and React/TypeScript interfaces.
• Build reliable backend systems: APIs, data models, integrations, and distributed or event-driven workflows.
• Create maintainable frontend experiences: responsive interfaces with thoughtful component design, state management, accessibility, and performance.
• Own features through production: design, implementation, testing, release, monitoring, and ongoing support.
• Apply AI throughout development: use coding agents for planning, implementation, testing, debugging, and documentation.
• Modernize existing software: incremental migrations and stronger test coverage.
• Strengthen operational quality: CI/CD, observability, security, performance, deployment reliability.
• Provide hands-on technical leadership: design reviews, mentoring, and cross-team collaboration.

Skills

Java

Spring

React

TypeScript

API design

Cloud platforms

AI-assisted coding

Technical leadership

Tools

Claude Code

Docker

Kubernetes

Job description

Kaseya is seeking a Senior Full-Stack Software Engineer in Toronto, Canada, to join our AI-native engineering team. You’ll design and deliver Java/Spring backends and React/TypeScript frontends, while leveraging AI-assisted tools to accelerate development and ensure quality.

You’ll own features end-to-end across cloud-based SaaS applications, mentor peers, and contribute to architecture decisions. This role emphasizes reliability, security, and scalable software delivery in a fast-growing