Full-Stack Engineer — React/Next, Kotlin, AI Tools

Pine; Toronto; On-site; CAD 90,000 - 130,000; Full time

Job summary

Pine in Toronto is seeking a Full Stack Developer to design, build, and scale the technology powering our fintech platform. You will work across the stack—from delightful user-facing experiences to robust backend services—bringing speed, reliability, and intelligent tooling to thousands of Canadians.

You will collaborate with product, design, and engineering, leverage React, Next.js, Kotlin, and modern cloud workflows, and contribute to a fast-growing team that values ownership, experimentation,

Qualifications

• Experience building modern web applications in a professional software environment.
• Experience developing backend services with Kotlin, Golang, C#, Java, or Rust.
• Strong API design, distributed systems, and scalable architecture knowledge.
• Experience with Git, PRs, and CI/CD workflows.
• Strong frontend performance optimization and responsive design.

Responsibilities

• Design, build, test, and deploy high-quality full-stack applications.
• Develop responsive UI with React and Next.js.
• Build scalable backend services and APIs using Kotlin.
• Collaborate with Product, Design, and Engineering for excellent UX.
• Participate in architecture, planning, and system design discussions.
• Contribute to shared frontend library and coding standards.

Skills

Web development

Backend services

API design

CI/CD

Frontend performance

Testing / QA

Agile / teamwork

AI coding assistants

Problem solving

Team collaboration

Tools

Git

Kotlin

TypeScript

React

Next.js

AWS

Job description

Pine in Toronto is seeking a Full Stack Developer to design, build, and scale the technology powering our fintech platform. You will work across the stack—from delightful user-facing experiences to robust backend services—bringing speed, reliability, and intelligent tooling to thousands of Canadians.

You will collaborate with product, design, and engineering, leverage React, Next.js, Kotlin, and modern cloud workflows, and contribute to a fast-growing team that values ownership, experimentation,