{"id":3085243,"url":"https://alion.io/job/suffescom-senior-node-js-blockchain-developer","title":"Senior Node Js Blockchain Developer","company":{"id":2006318,"name":"suffescom","domain":"suffescom.com","url":"https://alion.io/company/suffescom","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Zoho Recruit","truth_index":{"grade":"C","score":69,"open_postings":29,"ghost_share":0.517,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-10-23T05:54:15Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Mohali, India"],"countries":["IN"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":16000,"max_usd":38000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":159},"experience_years_min":3,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Docker","optional":false},{"name":"Express","optional":false},{"name":"MySQL","optional":false},{"name":"Node JS","optional":false},{"name":"Rest API","optional":false},{"name":"Smart Contracts","optional":false},{"name":"Solidity","optional":false},{"name":"AWS","optional":true},{"name":"Azure","optional":true},{"name":"GCP","optional":true},{"name":"Git","optional":true},{"name":"JavaScript","optional":true},{"name":"Redis","optional":true}],"status":"live","first_seen_at":"2026-10-22T13:28:52Z","employer_posted_date":"2026-10-22","last_verified_at":"2026-10-23T10:46:59Z","board_verified":true,"closed_at":null,"days_open":0,"trust":{"level":"ok","repost_count":0,"flags":["company_stale"],"days_open":0},"description":"Job Description\nWe are looking for an experienced Senior Node.js Developer with Hands-on experience to build scalable, high-performance backend applications. The ideal candidate should have strong expertise in Node.js, Express.js, APIs, and databases and Web3, along with a good understanding of backend architecture and security.\nKey ResponsibilitiesExpertise: Blockchain Integration OR Smart Contract Development, Web3 APIs, Solidity. Develop and maintain server-side applications using Node.js\n\nDesign and build RESTful APIs and backend services\n\nWork with MySQL and/or MongoDB for data storage and optimization\n\nEnsure high performance, scalability, and security of applications\n\nIntegrate third-party APIs and services\n\nHandle error handling, logging, and debugging\n\nCollaborate with frontend, QA, and DevOps teams\n\nParticipate in code reviews and technical discussions\n\nRequirements\nTechnical Requirements\n3+ years of hands-on experience in Node.js\n\nStrong knowledge of Express.js\n\nExperience with MySQL & MongoDB\n\nGood understanding of API development & security practices\n\nKnowledge of asynchronous programming & event loop\n\nFamiliarity with JWT authentication & role-based access\n\nExperience with Docker / deployment is a plus\n\nKnowledge of Git & version control systems\n\nGood to Have\nExperience with microservices architecture\n\nKnowledge of Redis / caching mechanisms\n\nExposure to cloud platforms (AWS/GCP/Azure)\n\nBenefits\n5-day work week\nCompetitive salary package\nOpportunities for professional growth and continuous learning\nSupport for inter-tech skill upgradation\nFriendly, collaborative, and innovation-driven work environment","description_format":"text","description_chars":1642,"description_truncated":false,"requirements":{"experience_years_min":3,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Continuous learning"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Blockchain & Crypto","IT Consulting & Digital Transformation","Custom Software Development"],"lifecycle":[{"event":"open","at":"2026-10-22T13:28:52Z"}],"visa":[],"liveness":{"score":60,"band":"ok","label":"Likely open","p_open":1,"p_active":0.602,"p_room":1,"age_days":0,"expected_fill_days":35,"reasons":["conf:0","stale_co","win:early"],"computed_at":"2026-10-23T05:54:15Z"},"pay":null,"html_url":"https://alion.io/job/suffescom-senior-node-js-blockchain-developer","json_url":"https://alion.io/job/suffescom-senior-node-js-blockchain-developer.json","meta":{"generated_at":"2026-10-23T10:57:43Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":16656,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-24T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":2006318},"rest":"https://alion.io/mcp/rest/get_company?id=2006318"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fsuffescom-senior-node-js-blockchain-developer"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fsuffescom-senior-node-js-blockchain-developer"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fsuffescom-senior-node-js-blockchain-developer"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/suffescom-senior-node-js-blockchain-developer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fsuffescom-senior-node-js-blockchain-developer"}]}