Arkhya Tech. Inc.
Linkedin · Posted 4d ago
Web3 Backend Engineer
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Indexed description
Senior Web3 Backend Engineer
Location: New Jersey | Hybrid
Seeking a Senior Backend Engineer with 7+ years of enterprise software engineering experience and 3+ years of hands-on production Web3/Blockchain experience.
Must Have:
- Strong Java & Spring Boot
- Microservices, REST APIs & distributed systems
- Apache Kafka & event-driven architecture
- Concurrent, multithreaded & asynchronous programming
- Production blockchain integrations
- Web3.js, Ethers.js or equivalent
- Blockchain transaction lifecycle, signing & error/retry handling
- Wallet infrastructure, crypto custody or tokenization experience
Preferred: Ethereum, Bitcoin, Solana, XRPL, TypeScript, Node.js/NestJS, MPC/HSM, OpenTelemetry.
Note: Candidates with only theoretical, academic, side-project, frontend, or smart-contract-only blockchain experience will not be considered.
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