G

Senior Blockchain Engineer

g talent • Japan
Remote
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Design, develop, and operate blockchain-related systems and smart contracts for a next-generation global financial infrastructure. Collaborate with cross-functional teams to build scalable, secure, and maintainable systems using modern cloud and blockchain technologies. Requires business-level Japanese, product development experience with blockchain, and strong foundational software engineering skills.

Key Highlights
Fully remote work with flextime system
Join as a core member during the launch phase of a new business
Work on cutting-edge blockchain technologies and global financial infrastructure
Key Responsibilities
Design, develop, and operate blockchain-related systems
Design and develop smart contracts
Research and implement new technical domains
Ensure system scalability, maintainability, and security
Define requirements and specifications, and build consensus with stakeholders
Technical Skills Required
Blockchain Smart Contracts Amazon Web Services
Benefits & Perks
Fully remote work
Flextime system
Stock options
High-spec MacBookPro provided every two years
Side jobs allowed
Book purchase expenses covered (up to 10,000 yen per month)
Cloud environment usage allowance (up to 10,000 yen per month)
Conference participation expenses covered
Qualification assistance (up to 30,000 yen)
Nice to Have
Blockchain and cryptography
Zero-Knowledge Proofs (zk-SNARKs, zk-STARKs, etc.)
Multi-party computation (MPC), homomorphic encryption
Token design, smart contract security audits
Layer 2 / Rollup technologies, distributed consensus algorithms (PoS, BFT, etc.)
Signature/cryptography/identity management (Passkey / ECDSA / BLS signatures / ECIES, etc.)
Development experience using strongly typed languages such as Go / Rust / Kotlin / Java / C# / C++
Frontend (React / Vue, etc.) development experience
Backend (Express / Koa / Spring Boot / Ktor, etc.) development experience
Experience designing and building cloud environments using IaC tools (Terraform / CloudFormation, etc.)
System development and operations experience in the financial sector
Design, operation, and analysis of large-scale data (Data Scientist domain)
Development experience with IoT/devices (Raspberry Pi / Arduino / M5Stack, etc.)

Job Description

★Blockchain Engineer | Featured Fin-tech Company

  • Business Level Japanese Required

◆ Famous Venture Company

◆ Flextime & Fully Remote Work

◆ Own Products/Services

◆ Great Welfare

◆ Annual salary: 8 million yen -15 million yen

-------------【About the company】-------------

The company creates value through technology by implementing blockchain in society.

In order to promote the social implementation of blockchain, the company conducts PoC with partner companies, business planning, and R&D in the areas of scalability and interoperability, which are challenges for blockchain.

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