Senior Frontend Engineer (Web3)

TL;DR

Senior Frontend Engineer (Web3): Developing robust and scalable interfaces for digital asset management platform with an accent on complex state management and high data throughput. Focus on building performant React applications, micro-frontend architecture, and integrating backend-for-frontend services to ensure seamless user experiences across financial products.

Location: Warszawa, Poland (Hybrid)

Company

A leading platform providing secure infrastructure for financial institutions and brands to work with digital assets and cryptocurrencies.

What you will do

• Design and implement scalable, robust UI components using React and modern design patterns.
• Maintain a performant component library to support high data throughput and platform complexity.
• Collaborate with backend teams to define and consume efficient REST and GraphQL APIs.
• Optimize frontend performance by monitoring metrics and resolving bottlenecks like load times and bundle size.
• Translate design mockups and product specs into actionable technical plans within an agile environment.
• Contribute to micro-frontend architecture and support full-stack tasks as required.

Requirements

• 5+ years of experience as a Frontend Engineer.
• Proficiency in React, TypeScript, and the Node ecosystem.
• Deep understanding of non-trivial frontend applications and state management.
• Experience with micro-frontend architecture and backend-for-frontend services.
• Strong background in SaaS software architectures and full product life cycles.
• Security-oriented mindset with a focus on high-quality user journeys.

Nice to have

• Experience with blockchain or cryptocurrency technologies.
• Proven ability to research, evaluate, and integrate new technologies into existing systems.

Culture & Benefits

• Focus on fostering a diverse and inclusive workforce.
• Work in a collaborative environment with cross-functional teams including Product and Design.
• Opportunity to work on industry-leading digital asset infrastructure.
• Commitment to professional growth and learning new technologies.