Senior Fullstack Engineer

Issue equity to your teams anywhere, stay in compliance locally, optimize tax for your employees, and do it all easily & quickly. 

Slice is a Global Equity Management platform for multinational companies. It handles the full equity lifecycle - from correctly setting up option plans around the globe to awarding grants and liquidity - while keeping companies and employees in compliance with each country’s local equity laws and away from tax penalties. Slice covers 40+ countries, including the US, UK, and Israel, and serves startups from seed to growth stage, plus several unicorns. Powered by our LLM-based Compliance Engine, we deliver seamless equity compliance for companies worldwide. 

Role 

We’re looking for a Senior Fullstack Engineer with a frontend orientation to join our product development team. You’ll take ownership of complex UI components and frontend architecture, while collaborating closely with backend engineers and product teams. The ideal candidate has deep React expertise, is comfortable writing efficient code for complex interfaces, and brings strong testing and performance standards. 

Why Join Slice? 

● Join a mission-driven team solving complex, high-impact problems in global equity and compliance. 

● Work directly with experienced founders and industry leaders. 

● Shape the future of Slice’s growth in a new market. 

● Work at the intersection of legal tech, fintech, and SaaS 

Key Responsibilities 

● Build and maintain complex, performant UIs using React.js, Context API, and MUI.

● Write efficient, reusable code for highly dynamic frontend logic. 

● Work closely with product and design to deliver user-friendly, reliable features.

● Create and maintain robust test coverage, including unit, integration, and E2E tests.

● Collaborate with backend and fullstack teammates to ensure a smooth user experience.

● Contribute to system architecture decisions and cross-functional planning. 

Requirements

● 4+ years of hands-on experience with React.js 

● Deep knowledge of React Context API and Material UI (MUI)

● Experience writing unit, integration, and end-to-end tests

● Ability to write efficient code for complex components and frontend logic

● Strong understanding of frontend architecture and performance optimization

● Backend experience is a plus, especially with TypeScript/Node.js.