# Senior Software Engineer - AI Experiences

**Company:** [Sardine](https://hotfix.jobs/companies/sardine)
**Location:** Remote
**Role:** Frontend Engineering
**Salary:** CA$160k – CA$210k/yr
**Experience:** 7+ years
**Skills:** React, TypeScript, Go, Node.js, Bigtable, Postgres, BigQuery, Python, Java, Terraform, Claude, Accessibility
**Posted:** 2026-09-01

> Frontend-focused senior engineer responsible for building polished AI product experiences in React and TypeScript, with secondary ownership of Go services and APIs. The role requires 7+ years of software engineering experience, frontend leadership, mentoring, and effective use of AI-assisted development tools.

## Job Description

## Responsibilities
- Design, build, and own polished, accessible, performant, production-ready user-facing features in **React** and **TypeScript**.
- Set the technical direction and quality bar for the frontend.
- Mentor engineers and contribute through code review.
- Use AI and agentic development tools such as **Claude** to accelerate delivery and establish AI-assisted development best practices.
- Build and extend backend services and APIs in **Go** when needed.
- Collaborate with business stakeholders to architect and implement experiences from inception to delivery.
- Contribute to product and technical roadmaps and the broader direction of the engineering team.
- Create and maintain user-facing technical documentation that supports product understanding and adoption.
- Help shape engineering culture and maintain high organizational standards.

## Requirements
- 7+ years of experience as a software engineer, with deep frontend specialization.
- Expert-level **React** and **TypeScript**, with strong attention to UX, performance, and accessibility.
- Fluency with AI and agentic coding tools such as **Claude**, with demonstrated use in efficient software delivery.
- Experience setting technical standards, mentoring engineers, and driving technical decisions.
- Track record of shipping high-quality, production-grade frontend systems at scale.
- Working proficiency in **Go**, or ability to become productive quickly.
- Ability to work autonomously in ambiguous environments and prioritize against business needs.
- Customer-centric mindset and strong empathy for users.
- Proficiency in English.

## Nice to Have
- Experience in fintech, fraud, compliance, risk, or regulated systems.
- Exposure to data tooling or pipelines.

## Technologies
- TypeScript
- React
- Node.js
- Golang
- Bigtable
- PostgreSQL
- BigQuery
- Python
- Java
- Terraform

## Compensation and Benefits
- Annual compensation of **160000–210000 CAD** in cash and equity.
- Early exercise for all options, including pre-vested options.
- Remote-first culture and work from anywhere within Canada, with this role aligned to Eastern Time.
- Flexible paid time off and year-end break.
- Health, dental, and vision coverage for employees and dependents in Canada.
- 4% RRSP matching.
- MacBook Pro delivered to your door.
- One-time home-office setup stipend.
- Monthly meal stipend.
- Monthly social meet-up stipend.
- Annual health and wellness stipend.
- Annual learning stipend.

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**Apply:** https://hotfix.jobs/jobs/cd5017ba-b2ec-40a4-a49d-9c3fea130286
**Canonical:** https://hotfix.jobs/jobs/cd5017ba-b2ec-40a4-a49d-9c3fea130286