{"id":3404749,"url":"https://alion.io/job/gondor-backend-engineer","title":"Backend Engineer","company":{"id":4483420,"name":"Gondor","domain":"gondor.fi","url":"https://alion.io/company/gondor-2","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":null,"truth_index":null},"role":"Backend","role_family":"Backend","seniority":null,"employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["New York, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":128000,"max_usd":277000,"period":"year","method":"role_country_seniority_unknown","sample_n":9411},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AWS","optional":false},{"name":"CI/CD","optional":false},{"name":"DeFi","optional":false},{"name":"Docker","optional":false},{"name":"Ethers.js","optional":false},{"name":"Foundry","optional":false},{"name":"GCP","optional":false},{"name":"Hardhat","optional":false},{"name":"Node JS","optional":false},{"name":"Smart Contracts","optional":false},{"name":"Solidity","optional":false},{"name":"SQL","optional":false},{"name":"Vercel","optional":false},{"name":"Viem","optional":false},{"name":"Ethereum","optional":true},{"name":"JavaScript","optional":true}],"status":"live","first_seen_at":"2026-10-28T12:45:09Z","employer_posted_date":null,"last_verified_at":"2026-10-28T12:45:09Z","board_verified":false,"closed_at":null,"days_open":0,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":0},"description":"Gondor is looking for a Backend Engineer to build onchain cross-margining and backend infrastructure for its web app.\n\nYou will join the founding team and work across the protocol and product sides of the application. You will build onchain infrastructure for permissionless cross-margining and backend infrastructure for the Gondor web app. You will use the stated backend, protocol, and DevOps stack to support margin-trading infrastructure.\n\nResponsibilitiesBuild onchain infrastructure for permissionless cross-margining\nBuild backend infrastructure for the Gondor web app\n\nRequirementsExperience building liquidation engines, oracles, or margin trading infrastructure\nDeep understanding of DeFi lending protocols\nStrong familiarity with smart contract security and exploits\nAbility to analyze attack vectors\nKnowledge of Node.js, Express, Hono, SQL, REST, and GraphQL\nKnowledge of Solidity, Hardhat, Foundry, Viem, ethers.js, and Privy\nKnowledge of Vercel, AWS, GCP, CI/CD, and Docker\n\nBenefitsEquity","description_format":"text","description_chars":1005,"description_truncated":false,"requirements":{"experience_years_min":null,"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":[],"lifecycle":[{"event":"open","at":"2026-10-28T15:48:00Z"}],"visa":[],"liveness":{"score":86,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.86,"p_room":1,"age_days":0,"expected_fill_days":24,"reasons":["seen:0","win:early"],"computed_at":"2026-10-29T05:49:05Z"},"pay":null,"html_url":"https://alion.io/job/gondor-backend-engineer","json_url":"https://alion.io/job/gondor-backend-engineer.json","meta":{"generated_at":"2026-10-29T11:19:07Z","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":17152,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-30T00:00:00Z"}},"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":4483420},"rest":"https://alion.io/mcp/rest/get_company?id=4483420"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fgondor-backend-engineer"},{"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%2Fgondor-backend-engineer"},{"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%2Fgondor-backend-engineer"},{"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/gondor-backend-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fgondor-backend-engineer"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3404749}},{"tool":"search_jobs","arguments":{"company":"gondor.fi","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3404749},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. 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