{"id":492588,"url":"https://alion.io/job/datachain-backend-lead-engineer-stablecoin-business","title":"Backend - Lead Engineer (Stablecoin Business)","company":{"id":99268,"name":"Datachain","domain":"datachain.jp","url":"https://alion.io/company/datachain","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"HERP","truth_index":{"grade":"A","score":95,"open_postings":9,"ghost_share":0,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":147,"computed_at":"2026-10-25T05:49:26Z"}},"role":"Backend","role_family":"Backend","seniority":"lead","employment_type":"full_time","work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"inferred_payroll_markers","remote_working_hours":null,"hiring_geo_confidence":"inferred","locations":[],"countries":[],"hiring_countries":["JP"],"hiring_countries_total":1,"salary":{"min":8000000,"max":null,"currency":"JPY","period":"year","gross":null,"usd_annual":51352},"salary_estimate":null,"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Avalanche","optional":false},{"name":"Docker","optional":false},{"name":"Ethereum","optional":false},{"name":"Go","optional":false},{"name":"Kubernetes","optional":false},{"name":"Polygon","optional":false},{"name":"Reown","optional":false},{"name":"Smart Contracts","optional":false},{"name":"AWS","optional":true},{"name":"Azure","optional":true},{"name":"GCP","optional":true}],"status":"live","first_seen_at":"2026-09-07T02:07:18Z","employer_posted_date":null,"last_verified_at":"2026-09-07T02:07:18Z","board_verified":false,"closed_at":null,"days_open":48,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":48},"description":"Job Overview\n1. The Blockchain Market and Our Challenge\nSince our early days, we have focused heavily on R&D in blockchain infrastructure. Through these efforts, we have successfully developed technology that enables secure, cost-efficient, and scalable interoperability between different blockchains.\nThis technology is highly innovative on a global scale and has received strong recognition, including from SWIFT (Society for Worldwide Interbank Financial Telecommunication).\nLeveraging this technology and our deep expertise in blockchain, we are advancing businesses related to blockchain-based finance and digital currencies, including stablecoins and tokenized deposits.\n2. Products You Will Work On\nYou will lead the planning, development, and growth of products that are expected to become critical infrastructure for on-chain finance, including our recently announced enterprise Web3 wallet and Data Privacy solutions.\n3. Key Responsibilities\nDesign and implement support for EVM-compatible blockchains, including Avalanche, Ethereum, and Polygon\nDesign and implement Passkey-based and smart contract wallets\nDesign and implement browser extension and WalletConnect integrations\nWork closely with the Tech Lead and other team members to investigate and resolve technically challenging issues and contribute to key technical decisions\nActively participate in code reviews and design reviews\n4. About Datachain\nSince its founding in 2018, Datachain has continued to invest in R&D as a Japan-born global deep-tech company, with the goal of creating infrastructure that becomes the de facto industry standard.\nAs we prepare for a future in which real-world assets (RWAs) such as equities, bonds, and real estate are increasingly represented as digital assets, we are accelerating the development of next-generation financial infrastructure.\nWe are hiring for this position to strengthen the backend engineering capabilities that will play a central role in building this infrastructure.\nRequired Qualifications\n5+ years of professional experience as a backend engineer\nProduction development experience using Go\nExperience designing and implementing complex business logic\nHands-on experience with distributed systems and asynchronous processing\nProduction development experience in containerized environments using Docker and Kubernetes\nPreferred Qualifications\nProfessional experience with blockchain, smart contracts, or EVM-related technologies\nExperience implementing Passkey, WebAuthn, or FIDO2\nPractical knowledge of cryptographic technologies, including digital signatures, key management, and Zero-Knowledge Proofs\nExperience with cloud infrastructure on Azure, AWS, or GCP\nIdeal Candidate Profile\nAble to assess the current state of systems, define the desired future state, and lead the team in building high-quality systems\nAble to balance business, organizational, and technical considerations and clearly articulate the appropriate direction from a technical perspective\nAble to collaborate with engineers and Tech Leads across the company to build and strengthen the engineering culture\nProactively develops their technical expertise and takes the initiative in building the development environment and engineering organization required to create high-quality 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