Expert Full Stack Engineer (Web3)

TL;DR

Expert Full Stack Engineer (Node.js/React): Building and scaling wallet infrastructure and developer tooling for a digital assets platform with an accent on security, reliability, and scalability. Focus on designing rich frontend experiences and scalable backend services for high-impact fintech and Web3 applications.

Location: Must be based in Slovakia (Remote/Hybrid)

Salary: from 4,100 EUR gross

Company

hirify.global is a custom product engineering company that supports multinational organizations and scaling startups to solve complex business challenges.

What you will do

• Design and implement rich frontend experiences and scalable backend services for wallet infrastructure through the Dynamic platform.
• Own features across the entire stack, from technical design and architecture to implementation, testing, and deployment.
• Build and maintain backend services and APIs supporting authentication, wallets, and payments infrastructure.
• Develop user-facing features and frontend tooling for both end-users and developers.
• Collaborate closely with Product and Design teams to deliver robust, high-impact features.
• Contribute to platform performance, reliability, and scalability improvements.

Requirements

• 3–5 years of experience building and shipping production-grade, full-stack web applications.
• Strong experience with React and TypeScript on the frontend.
• Experience building backend systems and APIs using Node.js and frameworks such as Express.
• Ability to work effectively across complex, evolving codebases.
• Location: Must be based in Slovakia.
• Curiosity and interest in fintech and Web3 infrastructure.

Nice to have

• Experience with blockchain technologies (e.g., EVM chains, wallets, on-chain integrations).
• Solidity experience for writing, deploying, and testing smart contracts.
• Experience with various state management solutions in production React applications.
• Background in security products or other high-sensitivity domains.

Culture & Benefits

• Friendly, open-door culture that values initiative and empowers employees.
• Fast-paced and agile environment championing efficiency and innovation.
• Global exposure through collaboration with international, cross-functional teams.
• Tailored learning via Udemy, internal meetups, workshops, and company-paid certifications.
• Flexibility to balance office and remote work.