Career opportunity Backend Engineer (Crypto Team)
Backend Engineer (Crypto Team)
- Locations
- Tokyo
- Salary
- ¥7,000,000〜¥20,000,000 （Annual）
- Recruitment industry
- Backend Engineer
- Employment status
- Full time employee
Experience from 3 to 5 years
Transportation expenses provided
Health Care or Medical Insurance
Social insurance
Flexible Working
Published date: 20/06/2025
Job description
Join the crypto team responsible for managing all cryptocurrency wallets handled by the exchange. Your responsibilities include:
- Ensuring secure and efficient wallet operations.
- Improving services connected to multiple blockchains.
- Developing new services and maintaining existing systems.
Key responsibilities:
- Build and maintain wallet-related services with best practices and security protocols against cyber threats.
- Integrate new blockchain technologies into current systems.
- Write test cases to ensure consistency, accuracy, and quality.
- Keep track of blockchain news and protocol updates.
- Document new developments and proposals.
Requirement
Must-have:
- 3+ years of software engineering experience.
- Knowledge of communication protocols, databases, and information security.
- Web API development experience.
- Strong communication skills for collaboration inside and outside the company.
- Ability to understand technical English conversations.
Nice-to-have:
- Experience with cryptocurrency wallets or blockchain.
- Business-level or native Japanese proficiency.
- Experience in system design and architecture.
- Experience in system monitoring.
- Smart contract development experience.
- Knowledge of staking.
Ideal candidate traits:
- Strong compliance and professional ethics.
- Shares the company’s mission, vision, and values.
- Passionate, honest, adaptive, and logical communicator.
- Strong problem-solving, execution, and ownership.
Benefits
- Permanent employment (6-month trial with no change in conditions).
- Overtime 20–40 hours/month.
- Commuting allowance.
- Full social insurance (health, pension, employment, workers’ compensation).
- Book purchase support, free drinks/snacks/instant noodles/fruits/rice balls, and office massage.
- No smoking indoors.
- Full two-day weekends (Sat–Sun).
- Public holidays, year-end/New Year, condolence leave, maternity/paternity leave, birthday leave, and 12 paid leave days in the first year.
Work time
- 8 hours/day with flextime.
- Core time: 10:00–16:00.
Location
Tokyo
Chat with us!