{"id":2921046,"url":"https://alion.io/job/suffescom-blockchain-developer","title":"Blockchain developer","company":{"id":2006318,"name":"suffescom","domain":"suffescom.com","url":"https://alion.io/company/suffescom","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Zoho Recruit","truth_index":{"grade":"B","score":70,"open_postings":30,"ghost_share":0.5,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-10-22T06:10:10Z"}},"role":"Web3","role_family":"Web3","seniority":"middle","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":23000,"max_usd":50000,"period":"year","method":null,"sample_n":73},"experience_years_min":4,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Bitcoin","optional":false},{"name":"Core Blockchain","optional":false},{"name":"Ethereum","optional":false},{"name":"Geth","optional":false},{"name":"Smart Contracts","optional":false},{"name":"Solidity","optional":false},{"name":"Zk-Proofs","optional":false}],"status":"live","first_seen_at":"2026-07-10T00:00:00Z","employer_posted_date":"2026-07-10","last_verified_at":"2026-10-23T01:36:38Z","board_verified":true,"closed_at":null,"days_open":105,"trust":{"level":"ghost","repost_count":0,"flags":["stale","company_stale"],"days_open":104},"description":"Core Blockchain Developer with 4+ years of experience specializing in protocol-level development and customization. Strong expertise in working withEthereum forks, building and modifying blockchain architectures, and implementing advanced cryptographic solutions.\nKey Responsibilities:\nReview, refactor, and enhance theexisting blockchain codebase for scalability, maintainability, and security\nWork onEthereum forks and protocol-level customization, including modifying consensus, gas logic, or transaction flows\nImplement Zero-Knowledge Proof (ZK Proof) solutions to enableprivacy-focused transactions\nBuild and maintaincustom blockchain explorers and internal tooling for monitoring and analytics\nIntegrate smart contracts withbackend systems, APIs, and trading engines\nSet up, configure, and maintain Ethereum (Geth/Nethermind) and Bitcoin (Bitcoin Core) full nodes\nOptimize smart contracts forgas efficiency and performance\nDesigning and deployingprivate and secure transaction systems\nRequirements\n4+ years of experience as a Core Blockchain Developer\nStrong expertise inSolidity and deploying contracts on Ethereum mainnet/testnets\nProven experience withEthereum forks and blockchain customization\nHands-on experience implementing or integrating Zero-Knowledge Proofs (ZK Proofs)\nExperience building or maintainingcustom blockchain explorers\nSolid understanding of blockchain internals (consensus mechanisms, transaction lifecycle, gas optimization)\nExperience with smart contracts, node customization, and blockchain infrastructure\nBenefits\n5 Day working\nOn time salary\ninter- tech work \nSkill upgradation trainings\nSoft skills trainingsRewards and recognitions\nweekly de-stressing activities","description_format":"text","description_chars":1700,"description_truncated":false,"requirements":{"experience_years_min":4,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Blockchain & Crypto","Cryptocurrencies","IT Consulting & Digital Transformation","Custom Software Development"],"lifecycle":[{"event":"open","at":"2026-10-20T11:59:56Z"}],"visa":[],"liveness":{"score":6,"band":"cold","label":"Long shot","p_open":1,"p_active":0.206,"p_room":0.28,"age_days":104,"expected_fill_days":23,"reasons":["conf:0","stale_co","ghost","win:tail","crowd:"],"computed_at":"2026-10-22T06:10:10Z"},"pay":null,"html_url":"https://alion.io/job/suffescom-blockchain-developer","json_url":"https://alion.io/job/suffescom-blockchain-developer.json","meta":{"generated_at":"2026-10-23T01:53:29Z","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":3139,"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-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-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-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-blockchain-developer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fsuffescom-blockchain-developer"}]}