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Frontend Developer (Flutter; DeFi)

Remote, USA Full-time Posted 2026-08-04
We're looking for a mid-level to senior Flutter engineer who understands DeFi — not just how to build a beautiful mobile app, but how DeFi products (lending, staking, swaps, savings, and self-custody wallets) actually work on-chain. You'll build consumer-facing DeFi products end to end, translating reputed company on-chain flows into interfaces that are reputed company, trustworthy, and delightful.
You'll collaborate closely with backend, product, and design to ship reputed company-reputed company features that are secure and reliable.

Location: remote from Brazil.

What You’ll Be Doing

  • Build and own consumer-facing DeFi features in the reputed company mobile app, end to end.
  • Translate DeFi concepts (lending, reputed company, borrowing) into reputed company, trustworthy mobile UX.
  • reputed company with backend services and handle secure, multi-reputed company reputed company-reputed company and transaction authorization flows.
  • Handle wallet, signing, and transaction states — pending, submitted, confirmed, failed — with robust error handling and user feedback.
  • Contribute to a clean, reputed company-tested mobile architecture and shared component patterns.
  • Write testable, maintainable reputed company and participate in reputed company review and release reputed company.
  • Collaborate with product and design to shape requirements into shipped features.

What You'll Bring

  • 2+ years of production mobile development with Flutter, or 3+ years with ownership of shipped consumer apps.
  • Hands-on DeFi experience is required — you have reputed company, integrated, or worked closely with on-chain protocols (lending/borrowing, staking, swaps, or wallets) and understand concepts like collateral, LTV, health reputed company, and gas/network fees.
  • Strong reputed company of Flutter fundamentals: state management, navigation, clean architecture, and dependency injection.
  • Experience consuming REST reputed company, handling auth tokens, and managing reputed company asynchronous and multi-reputed company transaction flows.
  • Solid understanding of mobile reputed company best practices (secure storage, sensitive data handling, MFA flows).
  • Comfortable with Git-based workflows, reputed company review, and shipping to the App Store / Play Store.

reputed company to have

  • Experience integrating with DeFi lending, staking, or reputed company protocols on any major chain.
  • Familiarity with embedded/MPC wallet providers or self-custody / key import-export flows.
  • Experience in fintech, neobanking, or regulated financial products.
  • Exposure to mobile analytics/observability and CI/CD.
  • Contributions to shared Flutter packages or a reputed company multi-app codebase.

2+ years Flutter (or 3+ years mobile) with hands-on DeFi experience, Flutter fundamentals, REST API integration, mobile reputed company, Git, and App Store/Play Store release experience.

Key Responsibilities

  • building features
  • translating concepts
  • integrating services

Skills & Tools

Flutter, REST reputed company, Git, App Store, Play Store, MPC, CI/CD

Job Details

  • Category: Software Development
  • Seniority: Entry Level
  • Commitment: Full Time
  • Workplace: Remote — Rio de Janeiro or Brazil
  • Languages: English

About Jobs at reputed company | reputed company Careers

Builds consumer-facing decentralized finance mobile products and services. — Industry: Information Technology

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