Senior Full-Stack Engineer (Web3)

Blockchain.com is seeking a Senior Full-Stack Engineer to join their team and help shape the future of Web3. This role involves building innovative financial and crypto-native products and services.

Overview

Department

Engineering

Job type

Full time

Compensation

Salary not specified

Location

London, United Kingdom, Western Europe

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Requirements

Proven experience building and shipping Web3 applications to real users.

Strong command of frontend technologies, including React and modern JavaScript/TypeScript tooling.

Deep knowledge of backend development, including RESTful APIs, databases, and secure infrastructure practices.

Hands-on experience with smart contract development in Solidity (EVM) or Rust (SVM).

Familiarity with Ethereum, Solana, or similar blockchain ecosystems, and tools like Hardhat, Foundry, Anchor, etc.

Experience working with Web3 libraries and tools such as ethers.js, web3.js, or wagmi.

A strong sense of ownership and the ability to drive projects independently.

Ability to navigate ambiguity and work effectively in a fast-changing environment.

Commitment to code quality, including writing unit/integration tests and applying engineering best practices.

Responsibilities

Design, develop, and maintain full-stack Web3 applications—ranging from user interfaces and APIs to smart contracts and blockchain integrations.

Implement smart contracts using languages such as Solidity (EVM) or Rust (SVM), and ensure they are secure, tested, and optimized for performance.

Collaborate cross-functionally with engineers, designers, and product stakeholders to define, prototype, and deliver features end-to-end.

Take ownership of the entire software lifecycle—scoping, implementation, testing, deployment, and maintenance.

Integrate blockchain protocols and wallets to enable seamless Web3 user experiences.

Leverage the latest AI tools (e.g., for code generation, documentation, or test coverage) to enhance productivity, accelerate delivery, and maintain high code quality.

Stay up to date with the rapidly evolving blockchain ecosystem and bring best practices into the team.

Benefits

Full-time salary based on experience and meaningful equity in an industry-leading company

This is a hybrid role based in our London office, with a mandatory in-office presence three days per week.

Work from Anywhere Policy: You can work remotely from anywhere in the world for up to 20 days per year.

ClassPass

Budgets for learning & professional development

Unlimited vacation policy; work hard and take time when you need it

Apple equipment

The opportunity to be a key player and build your career at a rapidly expanding, global technology company in an emerging field

Flexible work culture