Frontend Developer

SORAMITSU is an award-winning global financial technology company with expertise in developing blockchain-based solutions for digital asset and identity management. Our mission is to use blockchain to promote innovation and solve pressing societal challenges.

SORAMITSU is the developer of and major contributor to the open-source blockchain platform Hyperledger Iroha, which is tailored for enterprise and public-sector use. Hyperledger Iroha, a project of Hyperledger Foundation, part of the Linux Foundation, has a permissions system that is scalable and performant.

Utilizing blockchain, SORAMITSU has developed a digital currency for the National Bank of Cambodia, a CBDC Proof-of-Concept with the Bank of the Lao PDR, a closed-loop payment system for the University of Aizu in Japan, an identity verification system prototype for Bank Central Asia in Indonesia, we were finalists in the Monetary Authority of Singapore CBDC Challenge, and are currently participating in Asia-Pacific's first proof-of-concept test of a cross-border, multi-currency security settlement system using distributed ledger technology with the Asian Development Bank. We have also conducted proof-of-concept tests for several major Japanese enterprises, and are active contributors to open source projects, such as Klaytn, South Korea's leading Layer-1 blockchain, KAGOME, the C++ Polkadot Host implementation, the SORA crypto-economic system, the Polkaswap DEX, and the DeFi wallet, Fearless Wallet

Based on these experiences, SORAMITSU aims to deploy cutting-edge technology on a global level in order to expedite financial inclusion and health, mitigate economic inefficiencies, and contribute to the fulfilment of the Sustainable Development Goals.

You can find out more by visiting our homepage at soramitsu.co.jp or check out our Twitter profile.

We are currently seeking a Frontend Developer with hands-on experience in critical production systems, such as payment systems, B2B systems, Telco, or similar platforms. The project at hand intersects finance and blockchain technologies. In this role, you will be tasked with designing, implementing, and maintaining software solutions for production environments, ensuring they meet our clients' needs. Responsibilities include writing comprehensive tests, ensuring code quality, conducting code reviews, contributing to architectural decisions, sharing knowledge with team members, and selecting and integrating frameworks and libraries, substantiating their choices effectively.

You will be responsible for:

• Design, implement, and support advanced client-side applications related to finance and blockchain.
• Write comprehensive tests to cover functional and non-functional requirements, ensuring the high quality and reliability of the code.
• Participate in architecture design meetings, contributing to strategic decisions that shape the future of our software solutions.
• Provide insightful code reviews for peers, fostering a culture of excellence and continuous improvement.
• Develop a scalable and secure backend service that processes and aggregates data from multiple blockchain networks and external APIs to enhance the Fearless Wallet's performance.
• Implement features such as chain configurations and metadata management, staking analytics, rewards calculator, XCM fee analysis, SCAM protection, portfolio tracking, and crypto/fiat pricing aggregation.
• Ensure compliance with security standards and privacy regulations, incorporating real-time monitoring to detect and address potential security threats.
• Optimize API integration and management, employing caching and rate limiting strategies to improve response times and reduce bandwidth usage.
  
  

You need to have:

• Fluency in both spoken and written Japanese
• Proficiency in English at a high level
• Experience in client-side JavaScript development
• 1+ year of pertinent experience at the similar position
• Perfect knowledge of details in Vue framework, HTML and CSS, Web3.js
• Knowledge of software engineering processes
• Experience in designing software solutions
• Technical competences and qualifications
• Excellent analytical and problem-solving skills
• Deep knowledge of JavaScript language
• Good understanding of building tools, for example Webpack
• NodeJS knowledge and how it differs from developing client-side applications is a plus
• Experience with service workers, PWA (progressive web application)
• Experience in optimizing web assets and content (chunking, server-side (pre)rendering, lazy loading, etc.)
• Skilled at writing tests (test-driven approach is preferred) and using UI testing frameworks
• Proficiency in html/css markup

Required soft skills

• Exceptional attention to detail
• Ability to maintain a positive attitude while giving and receiving constructive feedback to foster improvement and implement necessary corrective actions
• Strong honesty and ethical standards
• Openness to changes (both positive and negative) and a willingness to adapt to a diverse range of tasks in the workplace
• Willingness to take on responsibilities and challenges

What we offer:

• A relaxed remote-first work environment with flexible working hours
• A permanent, full-time role with a rapidly growing international team of professionals
• An educational budget to support your continued growth and development
• Opportunities to attend global meetups and conferences for learning and/or speaking engagements
• An opportunity to be a part of an award-winning team designing a better world through decentralized technologies

If you have the required qualifications and are passionate about the Web3 industry, we encourage you to apply for this exciting opportunity.

SORAMITSU values diversity and is committed to providing equal opportunities for all applicants and employees. Our employment decisions, such as hiring, promotion, discipline, and termination, are based solely on an individual's qualifications, performance, and business needs. We do not discriminate against anyone on the basis of their race, color, religion, marital status, age, national origin, ancestry, physical or mental disability, medical condition, pregnancy, genetic information, gender, sexual orientation, gender identity or expression, veteran status, or any other protected status under federal, state, or local law.

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