145K–195K USD / year
Senior Software Engineer, Frontend
FrontendRemote — Eastern Time Zone, United States
Published on 2026-09-23
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About this role
Lead the development of polished, accessible, and performant frontend experiences for Sardine’s AI products. The role focuses on React and TypeScript, with some Go backend work, and includes setting frontend standards, mentoring engineers, and using AI-assisted tools to improve development speed.
About the company
Sardine is a financial crime platform that helps companies detect fraud, money laundering, and other risk with real-time behavioral and device intelligence.
Stack
TypeScriptReactNode.jsGoBigtablePostgreSQLBigQueryPython
What you'll do
- Design, build, and own production-grade React and TypeScript features.
- Set frontend technical direction and quality standards; mentor engineers and review code.
- Use AI-assisted development tools and help establish team best practices.
- Build or extend Go services and APIs as needed.
- Collaborate with stakeholders to deliver new product experiences.
- Contribute to technical roadmaps and engineering culture.
- Create and maintain user-facing technical documentation.
What we're looking for
- 7+ years of software engineering experience with deep frontend specialization.
- Expert-level React and TypeScript skills, with strong UX, performance, and accessibility judgment.
- Fluency with AI and agentic coding tools and a record of using them to ship efficiently.
- Experience setting technical standards, mentoring engineers, and driving technical decisions.
- Track record of delivering high-quality frontend systems at scale.
- Working proficiency in Go, or ability to become productive quickly.
- Able to work autonomously amid ambiguity and prioritize business needs.
- Strong customer empathy and English proficiency.
Nice to have
- Experience in fintech, fraud, compliance, risk, or regulated systems.
- Exposure to data tooling or pipelines.
Benefits
- Equity, with early exercise available for all options, including pre-vested options.
- Flexible paid time off and a year-end break.
- Health, dental, and vision coverage for employees and dependents in the US and Canada.
- 4% 401(k) or RRSP matching in the US and Canada.
- MacBook Pro and a one-time home-office setup stipend.
- Monthly meal and social meet-up stipends.
- Annual health and wellness and learning stipends.