Crypto payments reimagined

Senior Full Stack Engineer – Web3

Full-stack EngineerSoftware EngineerFull TimeRemoteTeam 11-50Since 2020H1B SponsorCompany Site LinkedIn

Location

California

Posted

58 days ago

Salary

Not specified

5 yrs expEnglishDistributed SystemsJavaJava ScriptNode.jsReactReduxSolidityType ScriptWeb3Go

Job Description

• Design, build, and operate production-grade Web3 systems used by real customers and assets at scale • Own features end-to-end across frontend, backend, and on-chain components (with depth aligned to your strengths) • Lead the design and implementation of complex workflows involving wallets, transactions, settlements, and orchestration • Partner closely with product, design, and external teams to turn ambiguous requirements into robust technical solutions • Improve system reliability, security, and performance across distributed and on-chain components • Mentor other engineers and contribute to engineering best practices, architecture reviews, and technical direction

Job Requirements

5-7+ years of professional experience as a Full-stack Web3 Engineer with production experience across frontend, backend, and on-chain components
Hands-on experience with Web3 building blocks, such as wallet connectivity/integrations, dApp development, blockchain RPCs and indexing, and/or on-chain/off-chain payment & settlements flows
Familiar with DeFi primitives (e.g., DEXs, swaps, lending, trading platforms)
Experience with some combination of:
Modern frontend frameworks (e.g., TypeScript, React, Redux)
Backend services and APIs (e.g., C#, Node.js, Go, Java, or similar)
Smart contracts and on-chain interactions (e.g., Solidity)
Strong understanding of the transaction lifecycle (signing, submission, execution) and a security-first mindset when designing Web3 systems
Solid fundamentals in building scalable, reliable, observable distributed systems (monitoring, logging, tracing, performance)