Key to Web3

Lead Software Engineer at Key to Web3 (Remote)

Key to Web3·

Role details

Work type
Remote
Employment
Full-Time

Job description

We are seeking an experienced Senior Developer with a strong Web3 background to build scalable, secure, and efficient decentralized applications. This is a hands-on coding role, where you will contribute to the development of core systems and products while ensuring high performance and security.

Key Requirements:

  • Proven experience as a Senior Developer or Lead Engineer in a Web3 project.
  • Strong background in smart contract development and decentralized applications.
  • Expertise in:
  • Node.js, TypeScript, PostgreSQL, React, Solidity
  • Scalable infrastructure design (AWS or similar cloud platforms)
  • EVM development (Solidity, smart contract security, gas optimizations)
  • Understanding of scalability, security, and efficiency in decentralized systems.
  • Experience with smart accounts, account abstraction, and intent-based protocols is a plus.
  • Solana experience is a plus.

Key Responsibilities:

  • Develop and maintain core infrastructure, including SDKs, APIs, and smart contracts.
  • Design and implement scalable, secure, and high-performance technical architectures.
  • Collaborate with product and engineering teams to align technical and business goals.
  • Innovate in Web3 development, exploring new technologies and approaches.
  • Write clean, maintainable, and optimized code with a focus on security.

Why work at Key to Web3

  • Culture Highlights: A startup‑style, lean team environment where every member has significant ownership. Emphasis on innovation, technology, and shaping the future of work in emerging industries.
  • Remote/Hybrid Policy: Fully remote‑friendly; the team is distributed across the US and Czechia, and the company actively hires for remote roles globally.
  • Notable Perks: Opportunity to work at the intersection of cutting‑edge technologies, direct mentorship from a founder with deep industry connections, and exposure to high‑growth startups and Fortune 500 clients.
  • Engineering Culture: Recruiters and consultants work closely with technical talent; the agency itself is small and agile, offering a chance to wear multiple hats and directly impact client outcomes.

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