Expert JavaScript Engineer

About the role

We are looking for an Expert JavaScript Engineer to join our cross‑functional team in the Czech Republic. You will work on both frontend and backend components that power a global wallet infrastructure for a fintech/Web3 platform.

Key responsibilities

• Design and implement rich frontend experiences and scalable backend services for the Dynamic platform.
• Own features across the stack, from architecture and implementation to testing, deployment and optimisation.
• Build and maintain APIs supporting authentication, wallets and payments.
• Collaborate with product, design and other engineering teams to deliver high‑impact features.

Required profile

• 3–5 years of experience delivering production‑grade full‑stack web applications.
• Proven ability to work across frontend and backend codebases in a fast‑moving environment.
• Interest in fintech, Web3 and building infrastructure at global scale.

Required skills

• JavaScript (ES6+)
• Node.js and Express
• React and state‑management solutions (e.g., Redux)
• API design and implementation
• Blockchain concepts, EVM chains and wallet integrations
• Solidity and smart‑contract development (experience preferred)

What we offer

• Flexible working hours and hybrid/remote options.
• 5 weeks of holiday, sick days and loyalty bonuses.
• Home‑office allowance, meal allowance and Multisport card.
• Internal trainings, paid certifications and conference participation.