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Senior Backend Engineer (Blockchain & Web Applications) - Cross-Border Remittance Infrastructure

g talent • Japan
Remote
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Lead the development of a cross-border remittance infrastructure using blockchain and stablecoins, building scalable backend systems and blockchain integrations. Drive technical excellence in a fast-growing fin-tech startup with global ambitions, collaborating cross-functionally to deliver high-quality financial solutions. Requires expertise in statically typed languages, blockchain protocols, and system architecture with a focus on quality and innovation.

Key Highlights
Build and scale a cross-border remittance infrastructure leveraging blockchain and stablecoins for global financial transactions.
Lead a new team and system development for a high-impact fin-tech project with global market potential.
Work with Go, Rust, Solidity, and blockchain networks (Ethereum, Cosmos, etc.) to deliver secure, high-performance solutions.
Key Responsibilities
Design and implement scalable backend systems for cross-border remittance infrastructure using blockchain and stablecoins.
Develop and optimize applications on blockchain networks (Ethereum, Cosmos, BNB Chain) with Go, Rust, and Solidity.
Establish development foundations, including code reviews, repository strategies, and quality assurance processes for new projects.
Collaborate with cross-functional teams to define technical requirements and drive system architecture for fin-tech solutions.
Ensure system reliability, security, and performance while adhering to financial industry standards and regulations.
Technical Skills Required
Go Blockchain Development PostgreSQL
Benefits & Perks
Annual salary: 7,000,000 JPY - 18,000,000 JPY
Fully remote work with flextime
Full social insurance coverage
Commuting allowance
Stock options
High-spec MacBook Pro every two years
Choice of ergonomic furniture (keyboard, mouse, chair)
Unlimited coffee and cloud environment allowance (up to 10,000 JPY/month)
Conference participation expenses covered (travel, lodging)
Qualification assistance (up to 30,000 JPY for work-related certifications)
Book purchase allowance (up to 10,000 JPY/month)
Side project support
Lounge work environment with sofas and standing tables
O'Reilly library access for latest publications
Nice to Have
Experience with Design Docs or Architecture Decision Records (ADRs)
Product development experience in FinTech
Technical public relations or recruitment activities
Blockchain-related development experience
Experience organizing system development requirements

Job Description

★Backend (Web Application Development) - Specialist | Featured Fin-tech Company

  • Business Level Japanese Required

◆ Famous Venture Company

◆ Flextime & Fully Remote Work

◆ Own Products/Services

◆ Great Welfare

◆ Annual salary: 7 million yen -18 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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