Engineer Part-Timer (Backend / Frontend / R&D)
HashPort is a Japanese company specializing in Web3 and blockchain technology. They provide solutions like Web3 wallets, platforms, and products, and have been involved in significant projects such as the Osaka/Kansai Expo and Japan's first IEO. They also operate a large NFT marketplace.
Investors
Projects
About HashPort Inc.
HashPort is a Japanese company focused on the social implementation of blockchain technology, with a mission to 'bring unseen value into our lives.' Their operations are divided into three main areas: Web3 Solutions, Web3 Platforms, and Web3 Products. The Web3 Solutions division provides Web3 wallets to financial institutions, offers an SBT (SoulBound Token)-based digital identity system, and delivers consulting and system development services. Notably, they provided the Web3 wallet and ID infrastructure for the Osaka/Kansai Expo. The Web3 Platforms business, run through their subsidiary HashPalette Inc., includes the Layer1 blockchain 'Palette Chain' and one of Japan's largest NFT marketplaces, 'PLT Place'. HashPalette also conducted Japan's first IEO (Initial Exchange Offering) in 2021 for the 'Palette Token (PLT)'. The Web3 Products division develops X-to-Earn services like blockchain games. HashPort holds patents for its Web3 wallet system and is a full member of the Japan Cryptoasset Business Association (JCBA). The company has been recognized by the Ministry of Economy, Trade and Industry and Forbes Japan as a leading startup.
Skills
About the Role
You'll join HashPort's engineering team to work on Japan's largest Web3 wallet application, HashPort Wallet, which serves around one million users. Depending on your interests and skills, you'll be assigned to frontend, backend, or research and development work, or a mix of these areas. You'll mostly tackle high-value, non-time-critical tasks such as bug fixes, feature refinements, and efficiency improvements, working directly with production code under the guidance of senior engineers. You'll also have the opportunity to use AI tools like Copilot and Devin to boost your productivity. If your interests lean toward research, you'll investigate cutting-edge Web3 technology, read academic papers and specifications such as EIPs, write explanatory articles, present findings to the team, and build proof-of-concept implementations of new protocols and technologies.
Requirements
- Fundamental knowledge of computer science such as data structures and algorithms
- High intellectual curiosity and fast learning ability
- Personal or academic experience with React/TypeScript, Go, or AWS
- Basic version control skills using Git and GitHub
- Self-driven attitude to identify and solve problems
- Motivation to explore and select the best technology for the product
- Experience with mobile web app frameworks such as Capacitor, Ionic, or React Native is a plus
- Basic knowledge of cloud infrastructure such as AWS and Terraform is a plus
- Deep knowledge of Web3, blockchain technology, and cryptography is a plus
- Academic research background in computer science, mathematics, or physics is a plus
Responsibilities
- Improve and maintain features of the HashPort Wallet product
- Implement mobile web app features and UI components using React and TypeScript
- Improve user experience for the wallet application
- Develop APIs using Go
- Integrate databases such as Aurora and DynamoDB on AWS
- Maintain authentication functionality
- Research cryptography theory and Web3 papers and specifications including EIPs
- Write articles and blog posts explaining research findings
- Present research findings to the team
- Implement proof-of-concept projects for new protocols and technologies
Benefits
- Free drinks and snacks