Senior Software Engineer: Assets

Consensys; United States; Remote; USD 100,000 - 140,000; Full time

Job summary

Consensys is building and maintaining digital asset features across a self-custody wallet. You will help users view and interact with tokens and blockchain-based assets, spanning client apps and core wallet components to ensure Web3 interactions are reliable, secure, and user-friendly.

In this role you will implement support for fungible tokens, NFTs, and asset detail views, while collaborating with product, design, and engineering to deliver user-facing features.

Qualifications

• 3+ years of experience with mobile technologies and 3+ years building websites or applications.
• Hands-on experience with React and React Native, plus modern JavaScript or TypeScript.
• Familiarity with blockchain concepts and integrating Web3 functionality.
• Experience with APIs, middleware, and cross-platform or cross-browser compatibility.
• Knowledge of application security, testing, clean code practices, and coding standards.
• Experience in an Agile engineering team; clear English communication and collaborative working habits.

Responsibilities

• Design, implement, and maintain support for fungible tokens, NFTs, token lists, and asset detail views.
• Develop and support wallet controllers that manage asset data and state across the product.
• Extend asset support to emerging standards, including real-world assets.
• Work with product, design, and engineering partners to deliver user-facing features.
• Review code and contribute to consistent quality and maintainability.

Skills

React

React Native

JavaScript/TypeScript

Mobile development

APIs

Middleware

Cross-platform

Agile team

English

Job description

Role overview

Build and maintain digital asset features across a self-custody wallet, helping users view and interact with tokens and other blockchain-based assets. The work spans client applications and core wallet components, with a focus on making Web3 interactions reliable, secure, and straightforward.

Responsibilities

• Design, implement, and maintain support for fungible tokens, NFTs, token lists, and asset detail views.
• Develop and support wallet controllers that manage asset data and state across the product.
• Extend asset support to emerging standards, including real-world assets.
• Work with product, design, and engineering partners to deliver user-facing features.
• Review code and contribute to consistent quality and maintainability.

Requirements

• At least three years of experience with mobile technologies and three years building websites or applications.
• Hands-on experience with React and React Native, plus modern JavaScript or TypeScript.
• Familiarity with blockchain concepts and integrating Web3 functionality.
• Experience with APIs, middleware, and cross-platform or cross-browser compatibility.
• Knowledge of application security, testing, clean code practices, and coding standards.
• Experience working in an Agile engineering team; clear English communication and collaborative working habits.

Nice to have

• Experience with token standards such as ERC-20, ERC-721, ERC-1155, or real-world assets, and with token list management.
• Exposure to DeFi, swaps, fiat on-ramps or off-ramps, digital financial products, or wallet ecosystems.
• Basic cryptography knowledge, Web3 experience, or performance optimization experience.