Senior Full-Stack Engineer (Web3)

Job title:

Senior Full-Stack Engineer (Web3)

Company

Blockchain.com

Job description

is the world’s leading software platform for digital assets. Offering the largest production blockchain platform in the world, we share the passion to code, create, and ultimately build an open, accessible and fair financial future, one piece of software at a time.We are seeking a proactive and skilled Senior Full-Stack Engineer to join our lean, high-impact team and help shape the future of Web3. You’ll dive deep into building innovative financial and crypto-native products, services, and APIs, playing a pivotal role in delivering cutting-edge onchain solutions.This role is ideal for engineers who are passionate about Web3 and who thrive in fast-paced, high-ownership environments.As a senior member of the team, you’ll take on complex technical challenges across the entire stack-from crafting performant user interfaces to architecting backend services, as well as writing smart contracts that power next-generation financial products. You’ll work closely with product managers, designers, and fellow engineers to build intuitive, secure, and performant Web3 experiences.WHAT YOU WILL DO

  • 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.

WHAT YOU WILL NEED

  • 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.

COMPENSATION & PERKS

  • 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

#LI-HybridBlockchain is committed to diversity and inclusion in the workplace and is proud to be an equal opportunity employer. We prohibit discrimination and harassment of any kind based on race, religion, color, national origin, gender, gender expression, sex, sexual orientation, age, marital status, veteran status, disability status or any other characteristic protected by law. This policy applies to all employment practices within our organization, including hiring, recruiting, promotion, termination, layoff, recall, leave of absence, and apprenticeship. Blockchain makes hiring decisions based solely on qualifications, merit, and business needs at the time.You may contact our Data Protection Officer by email at dpo@blockchain.com. Your personal data will be processed for the purposes of managing Controller’s recruitment related activities, which include setting up and conducting interviews and tests for applicants, evaluating and assessing the results thereto, and as is otherwise needed in the recruitment and hiring processes. Such processing is legally permissible under Art. 6(1)(f) of Regulation (EU) 2016/679 (General Data Protection Regulation) as necessary for the purposes of the legitimate interests pursued by the Controller, which are the solicitation, evaluation, and selection of applicants for employment.Your personal data will be shared with Greenhouse Software, Inc., a cloud services provider located in the United States of America and engaged by Controller to help manage its recruitment and hiring process on Controller’s behalf. Accordingly, if you are located outside of the United States, your personal data will be transferred to the United States once you submit it through this site. Because the European Union Commission has determined that United States data privacy laws do not ensure an adequate level of protection for personal data collected from EU data subjects, the transfer will be subject to appropriate additional safeguards under the standard contractual clauses.Your personal data will be retained by Controller as long as Controller determines it is necessary to evaluate your application for employment. Under the GDPR, you have the right to request access to your personal data, to request that your personal data be rectified or erased, and to request that processing of your personal data be restricted. You also have the right to data portability. In addition, you may lodge a complaint with an EU supervisory authority.

Expected salary

Location

London

Job date

Fri, 16 May 2025 02:17:28 GMT

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