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
Consensys 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