Senior Frontend Software Engineer

Sardine Inc

KY • 43m ago • On-site

Senior

On-site

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Quick Facts

  • Role: Senior Frontend Software Engineer (Frontend-focused)
  • Primary stack: React + TypeScript
  • Location: Remote (Canada, Eastern Time)

Description

You will own the design and delivery of user-facing experiences for the company’s AI products, building polished, accessible, performant, production-grade interfaces in React and TypeScript. You will lead the frontend technical direction, mentor engineers, and use AI/agentic development tooling (such as Claude) to ship faster. You may also work in Go on backend services and APIs when needed.

Responsibilities

  • Design, build, and own user-facing features in React and TypeScript (polished, accessible, performant, production-ready)
  • Set frontend technical direction and quality bar; support engineers through mentorship and code review
  • Use AI and agentic development tools (e.g., Claude) fluently to move quickly and establish best practices for AI-assisted development
  • Collaborate with business stakeholders to architect and implement new experiences from inception to delivery
  • Contribute to product and technical roadmaps and broader engineering direction
  • Craft and maintain user-facing technical documentation
  • When needed, dip into Go to extend backend services and APIs behind your features
  • Help shape engineering culture and ensure high standards across the organization

Requirements

  • 7+ years of proven experience as a software engineer with deep specialization in frontend development
  • Expert-level React and TypeScript; strong UX, performance, and accessibility judgment
  • Proven ability to use AI and agentic coding tools (e.g., Claude) to increase shipping efficiency
  • Leadership experience: setting technical standards, mentoring, and driving technical decisions
  • Demonstrated track record shipping production-grade frontend at scale
  • Working proficiency in Go (or ability to become productive quickly)
  • Comfort with ambiguity and autonomous prioritization
  • Customer-centric, empathetic mindset toward users
  • English proficiency for both informal and formal communication
  • Fintech/fraud/compliance/risk/regulated systems experience is preferred

Benefits

  • Generous compensation in cash and equity
  • Early exercise for all options, including pre-vested
  • Remote-first work from anywhere within your country
  • Flexible paid time off and year-end break
  • Health insurance, dental, and vision coverage for employees and dependents (US and Canada)
  • 401k / RRSP 4% matching (US and Canada)
  • MacBook Pro provided
  • 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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