Senior Software Engineer (Web3)

TL;DR

Senior Software Engineer (Web3/Fintech): Building and scaling fiat on/off-ramp features for the MetaMask mobile application with an accent on React Native and TypeScript full-stack development. Focus on integrating complex payment providers, optimizing system performance, and leveraging AI-assisted workflows to deliver high-impact financial infrastructure.

Location: Remote (United States, Canada, LATAM)

Salary: $104,000—$156,000 USD

Company

hirify.global is a leading blockchain and web3 software company building the infrastructure, tools, and applications for the decentralized web.

What you will do

• Own the full feature lifecycle from technical design to production monitoring
• Build user-facing features in React Native and contribute to Node.js backend APIs
• Integrate third-party financial services and payment providers
• Collaborate with cross-functional partners including Product, Design, and QA teams
• Mentor engineers through code reviews and pair programming
• Utilize AI-assisted development tools to optimize engineering workflows

Requirements

• 3+ years of experience in mobile or full-stack software engineering
• Proficiency with React Native (2+ years) and TypeScript
• Backend experience with Node.js and frameworks like NestJS
• Deep understanding of Web3 fundamentals and the Ethereum ecosystem
• Proactive communication skills necessary for a remote-first environment
• Experience integrating third-party APIs and payment systems

Nice to have

• Experience at fintech or payments companies like Stripe or Square
• Background in managing fiat on/off-ramp systems or KYC/AML flows
• Proficiency in native Android or iOS development
• Active contributor to open-source software

Culture & Benefits

• High-trust, autonomous remote-first environment
• Emphasis on career growth, learning, and knowledge sharing
• Supportive engineering culture with focus on well-being and diversity
• Collaboration with a global, distributed network of blockchain builders