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Mesh

Full Stack Software Engineer - Web3 (SF)

San Francisco, CA$160k–$190kfull-timemidAdded today

About this role

Mesh seeks a Senior Full Stack Web3 Engineer to design and operate production-grade cryptocurrency payment systems, bridging tokenized assets with everyday commerce. You'll own features end-to-end across frontend, backend, and smart contracts while mentoring teammates and shaping technical direction.

What you'll do

  • Design and build production Web3 systems handling wallets, transactions, settlements, and orchestration at scale
  • Own features end-to-end across frontend, backend, and on-chain components based on your strengths
  • Lead complex workflow implementation involving blockchain interactions and distributed systems
  • Collaborate with product, design, and external partners to translate requirements into robust solutions
  • Enhance system reliability, security, and performance across distributed and on-chain infrastructure
  • Mentor engineers, review architecture, and drive technical initiatives across teams

What they're looking for

  • TypeScript, React, Redux (modern frontend frameworks)
  • Backend services and APIs (Node.js, Go, C#, Java, or similar)
  • Solidity and smart contract development
  • Web3 building blocks: wallet connectivity, dApp development, blockchain RPCs, indexing
  • DeFi primitives and real-world payment settlement flows
  • Distributed systems design with monitoring, logging, and observability
  • Transaction lifecycle and Web3 security best practices
  • Solana Anchor programs and SVM smart contracts (bonus)
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Mesh

Mesh builds SDK/API solutions for payments, gaming, and fintech integrations. The company is hiring Solutions Engineers to bridge customers and internal teams, designing implementation strategies and guiding technical adoption across diverse verticals.

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Likely interview questions

  • Walk us through a Web3 system you built end-to-end—what were the key technical challenges around wallet integration and transaction signing?
  • How have you approached security when designing on-chain payment or settlement systems, and what trade-offs did you consider?
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