{"id":1266493,"url":"https://alion.io/job/ionixx-technologies-senior-web3-developer-backend","title":"Senior Web3 Developer - Backend","company":{"id":3806767,"name":"Ionixx Technologies","domain":"ionixxtech.com","url":"https://alion.io/company/ionixx-technologies","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":null,"truth_index":null},"role":"Web3","role_family":"Web3","seniority":"senior","employment_type":null,"work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"board_field","remote_working_hours":null,"hiring_geo_confidence":"inferred","locations":["Chennai, India","India"],"countries":["IN"],"hiring_countries":["IN"],"hiring_countries_total":1,"salary":{"min":3000000,"max":5000000,"currency":"INR","period":"year","gross":true,"usd_annual":52410},"salary_estimate":null,"experience_years_min":8,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Ethers.js","optional":false},{"name":"Java","optional":false},{"name":"Smart Contracts","optional":false},{"name":"Spring Boot","optional":false},{"name":"Token Standards","optional":false},{"name":"TypeScript","optional":false},{"name":"Web3.js","optional":false},{"name":"Ethereum","optional":true},{"name":"JavaScript","optional":true}],"status":"live","first_seen_at":"2026-09-04T06:51:43Z","employer_posted_date":null,"last_verified_at":"2026-09-04T06:51:43Z","board_verified":false,"closed_at":null,"days_open":26,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":26},"description":"Position: Senior Web3 Developer (Java)\n\nLocation: Chennai (Remote)\n\nNotice Period : Immediate\n\nAbout the Role :\n\nWe are looking for a senior Web3 developer to design and build scalable, secure backend systems that power blockchain-based financial products. The ideal candidate combines deep backend engineering expertise with hands-on Web3 development experience and has worked on institutional-grade digital asset platforms where reliability, compliance, and performance are critical.\n\nKey Responsibilities :\n\n- Bring 8+ years of professional software development experience, including at least 3 years dedicated to blockchain / Web3 technologies, contributing to the design and delivery of production-grade decentralized or hybrid systems.\n\n- Design, develop, and maintain scalable backend services using Java (Spring Boot), ensuring high availability, performance, and maintainability across distributed systems.\n\n- Apply strong proficiency in TypeScript to build robust, type-safe applications and integrations across the Web3 stack.\n\n- Work hands-on with Web3 libraries such as ethers.js, web3.js, or equivalent tooling to interact with EVM-based chains, including smart contract calls, transaction management, and event listening.\n\n- Demonstrate a deep understanding of tokenization standards (ERC-20, ERC-721, ERC-1155, ERC-3643), and apply this knowledge to build or integrate token issuance, transfer, and compliance mechanisms.\n\n- Contribute to digital asset trading systems, including order matching engines, real-time market data feeds, and integration with exchange APIs for trade execution and settlement.\n\n- Bring prior experience working with institutional-grade digital asset platforms - such as exchanges, custodians, or tokenization providers - with an understanding of the security, compliance, and operational rigor these environments demand.\n\nSkills\nJava, Blockchain, Web3.js, TypeScript, Backend Architecture, System Design, Emerging Technologies","description_format":"text","description_chars":1969,"description_truncated":false,"requirements":{"experience_years_min":8,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[{"name":"India","iso":"IN","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Blockchain & Crypto","Software","Web3 & dApps","Custom Software Development"],"lifecycle":[{"event":"open","at":"2026-09-25T22:00:00Z"}],"liveness":{"score":41,"band":"fade","label":"Fading","p_open":0.85,"p_active":0.649,"p_room":0.75,"age_days":25,"expected_fill_days":30,"reasons":["seen:25","velocity","win:late"],"computed_at":"2026-09-30T05:45:00Z"},"pay":{"stated_usd_annual":52410,"is_top_pay":false},"html_url":"https://alion.io/job/ionixx-technologies-senior-web3-developer-backend","json_url":"https://alion.io/job/ionixx-technologies-senior-web3-developer-backend.json","meta":{"generated_at":"2026-10-01T00:44:14Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","usage":{"tier":"crawler","counted_by":"address","units_charged":1,"used_today":506,"day_limit":5000,"remaining_today":4494,"minute_limit":60,"resets_at":"2026-10-02T00:00:00Z"}}}