Senior Fullstack Developer (Web3)

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

Salary: From €3,400 gross.

Company

hirify.global is a global custom product engineering company supporting multinational organizations and startups in solving complex business challenges through innovative technology.

What you will do

• Design and implement rich frontend experiences and scalable backend services for wallet infrastructure.
• Own features across the stack from technical design and architecture to deployment and optimization.
• Build and maintain backend services and APIs supporting authentication, wallets, and payments.
• Develop user-facing features and frontend tooling for end-users and developers.
• Collaborate with product, design, and engineering teams to deliver high-impact features.
• Uphold engineering best practices through code reviews, testing, and documentation.

Requirements

• Must be based in Slovakia.
• 3–5 years of experience building production-grade full-stack web applications.
• Strong proficiency in Node.js and Express.
• Experience working across complex frontend and backend codebases.
• Appreciation for clean, maintainable code and system performance.
• Interest in fintech and Web3 infrastructure.

Nice to have

• Experience with blockchain technologies (EVM chains, wallets).
• Solidity experience with smart contracts.
• Experience with state management in React.
• Background in security-sensitive domains.

Culture & Benefits

• Friendly, open-door culture valuing initiative and professional growth.
• Fast-paced, agile environment focused on innovation.
• Global exposure through international, cross-functional teams.
• Tailored learning via meetups, workshops, Udemy, and language courses.
• Flexible work arrangements balancing office and remote time.
• Comprehensive benefits package aligned with market standards.